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Unreviewed: has not been verified by a taxonomic editorNitzschia A.H. Hassall, 1845 
AphiaID: 149045

Classification: Biota > Checked: verified by a taxonomic editorChromista (Kingdom) > Checked: verified by a taxonomic editorHarosa (Subkingdom) > Checked: verified by a taxonomic editorHeterokonta (Infrakingdom) > Checked: verified by a taxonomic editorOchrophyta (Phylum) > Checked: verified by a taxonomic editorKhakista (Subphylum) > Checked: verified by a taxonomic editorBacillariophyceae (Class) > Unreviewed: has not been verified by a taxonomic editorBacillariophycidae (Subclass) > Unreviewed: has not been verified by a taxonomic editorBacillariophycanae (Superorder) > Unreviewed: has not been verified by a taxonomic editorBacillariales (Order) > Unreviewed: has not been verified by a taxonomic editorBacillariaceae (Family) > Unreviewed: has not been verified by a taxonomic editorNitzschia (Genus)
Status accepted
Rank Genus
Typetaxon Unreviewed: has not been verified by a taxonomic editorNitzschia elongata Hassal, 1845 accepted as Unreviewed: has not been verified by a taxonomic editorNitzschia sigmoidea (Nitzsch) W.Smith, 1853
Parent Unreviewed: has not been verified by a taxonomic editorBacillariaceae Ehrenberg, 1831
Synonymised
names
  Unreviewed: has not been verified by a taxonomic editorHomoeocladia C.A. Agardh, 1827 (synonym)
Unreviewed: has not been verified by a taxonomic editorSigmatella F.T. Kützing, 1833 (nom. rejic.)
Sources  basis of record Round, F.E.; Crawford, R.M.; Mann, D.G. (1990). The diatoms: biology and morphology of the genera. Cambridge University Press: London, UK. ISBN 0-521-363187. 747 pp. (look up in IMIS[details]

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taxa (1657)

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Species Unreviewed: has not been verified by a taxonomic editorNitzschia accedens Hustedt
  » Variety Unreviewed: has not been verified by a taxonomic editorNitzschia accedens var. accedens Hustedt, 1939 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia accedens var. chilensis Patrick, 1961 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia acicularioides Hustedt, 1959
Species Unreviewed: has not been verified by a taxonomic editorNitzschia acicularis (Kützing) W.Smith, 1853
  » Variety Unreviewed: has not been verified by a taxonomic editorNitzschia acicularis var. acicularis
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia acicularis var. antarctica van Heurck, 1909 accepted as Unreviewed: has not been verified by a taxonomic editorNitzschia decipiens Hustedt, 1958
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia acicularis var. interrupta Heiden & Kolbe, 1928 accepted as Unreviewed: has not been verified by a taxonomic editorNitzschia lecointei van Heurck, 1909
» Forma Unreviewed: has not been verified by a taxonomic editorNitzschia acicularis f. acicularis (Kützing) W. Smith, 1853 (uncertain, unassessed)
» Forma Unreviewed: has not been verified by a taxonomic editorNitzschia acicularis f. angustior Otto Müller, 1905 (uncertain, unassessed)
» Forma Unreviewed: has not been verified by a taxonomic editorNitzschia acicularis f. constricta Cleve-Euler, 1952 (uncertain, unassessed)
» Forma Unreviewed: has not been verified by a taxonomic editorNitzschia acicularis f. minutissima Grunow in Van Heurck, 1881 (uncertain, unassessed)
» Forma Unreviewed: has not been verified by a taxonomic editorNitzschia acicularis f. typica Cleve-Euler, 1952 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia acicularis var. adelos Hohn & Hellerman, 1963 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia acicularis var. africana Cholnoky, 1957 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia acicularis var. closterioides Grunow, 1862 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia acicularis var. major Otto Müller, 1905 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia acicularis var. nipponica Skvortzow, 1936 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia acidoclinata Lange-Bertalot, 1976
Species Unreviewed: has not been verified by a taxonomic editorNitzschia acula (Kützing) Hantzsch, 1861
Species Unreviewed: has not been verified by a taxonomic editorNitzschia adamata Hustedt, 1957
Species Unreviewed: has not been verified by a taxonomic editorNitzschia aequatorialis Heiden, 1928
Species Unreviewed: has not been verified by a taxonomic editorNitzschia aequora Hustedt, 1939
Species Unreviewed: has not been verified by a taxonomic editorNitzschia agnita Hustedt, 1957
Species Unreviewed: has not been verified by a taxonomic editorNitzschia alicae Hlúbiková & Ector, 2009
Species Unreviewed: has not been verified by a taxonomic editorNitzschia alpina Hustedt, 1943
Species Unreviewed: has not been verified by a taxonomic editorNitzschia amabilis Suzuki, 2010
Species Unreviewed: has not been verified by a taxonomic editorNitzschia ambigua Manguin, 1964
Species Unreviewed: has not been verified by a taxonomic editorNitzschia amphibia Grunow, 1862
  » Forma Unreviewed: has not been verified by a taxonomic editorNitzschia amphibia f. abbreviata Manguin, 1942
» Forma Unreviewed: has not been verified by a taxonomic editorNitzschia amphibia f. frauenfeldii (Grunow) Lange-Bertalot, 1987
» Forma Unreviewed: has not been verified by a taxonomic editorNitzschia amphibia f. rostrata Hustedt, 1959
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia amphibia var. acutiuscula Grunow, 1880
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia amphibia var. umbrosa A.Cleve, 1952
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia amphibia var. fossilis Grunow, 1880 accepted as Unreviewed: has not been verified by a taxonomic editorNitzschia fossilis (Grunow) Grunow, 1881
» Forma Unreviewed: has not been verified by a taxonomic editorNitzschia amphibia f. acutiuscula Grunow in Cleve & Grunow, 1880 (uncertain, unassessed)
» Forma Unreviewed: has not been verified by a taxonomic editorNitzschia amphibia f. amphibia Grunow, 1862 (uncertain, unassessed)
» Forma Unreviewed: has not been verified by a taxonomic editorNitzschia amphibia f. minor Forti, 1933 (uncertain, unassessed)
» Forma Unreviewed: has not been verified by a taxonomic editorNitzschia amphibia f. typica Forti, 1933 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia amphibia var. acuta Frenguelli, 1926 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia amphibia var. australis Cleve & Grunow, 1880 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia amphibia var. curta Skvortzow, 1929 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia amphibia var. elongata Grunow in Cleve & Möller, 1879 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia amphibia var. frauenfeldii Grunow in Van Heurck, 1881 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia amphibia var. genuina Mayer, 1919 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia amphibia var. hongkongensis Skvortzov, 1975 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia amphibia var. intermedia Mayer, 1919 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia amphibia var. major Manguin in Bourelly & Manguin, 1952 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia amphibia var. pelagica Hustedt ex R. Simonsen, 1987 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia amphibia var. thermalis Petersen, 1930 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia amphibia var. thermalis Grunow, 1862 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia amphibioides Hustedt, 1942
  » Variety Unreviewed: has not been verified by a taxonomic editorNitzschia amphibioides var. guatemalensis Patrick, 1966 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia amplectens Hustedt, 1957
Species Unreviewed: has not been verified by a taxonomic editorNitzschia angularis W.Smith, 1853
  » Variety Unreviewed: has not been verified by a taxonomic editorNitzschia angularis var. affinis (Grunow) Grunow, 1881
» Forma Unreviewed: has not been verified by a taxonomic editorNitzschia angularis f. angularis W. Smith, 1853 (uncertain, unassessed)
» Forma Unreviewed: has not been verified by a taxonomic editorNitzschia angularis f. minor Peragallo & Peragallo, 1900 (uncertain, unassessed)
» Forma Unreviewed: has not been verified by a taxonomic editorNitzschia angularis f. tenuistriata Van Heurck, 1909 (uncertain, unassessed)
» Forma Unreviewed: has not been verified by a taxonomic editorNitzschia angularis f. upolensis (Grunow in Cleve & Grunow) (uncertain, unassessed)
» Forma Unreviewed: has not been verified by a taxonomic editorNitzschia angularis f. upolensis (Grunow in Cleve & Grunow) De Toni, 1892 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia angularis var. australis Cleve-Euler, 1949 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia angularis var. borealis Grunow in Cleve & Grunow, 1880 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia angularis var. catalana Mouneimne, 1973 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia angularis var. genuina Cleve-Euler, 1952 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia angularis var. kariana Grunow in Cleve & Grunow, 1880 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia angularis var. occidentalis Grunow in Cleve & Grunow, 1880 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia angularis var. upolensis (Grunow in Cleve & Grunow) De Toni, 1894 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia angustatula Lange-Bertalot, 1987
Species Unreviewed: has not been verified by a taxonomic editorNitzschia angusteforaminata Lange-Bertalot, 1980
Species Unreviewed: has not been verified by a taxonomic editorNitzschia angustiforaminata Lange-Bertalot, 1980
Species Unreviewed: has not been verified by a taxonomic editorNitzschia archibaldii Lange-Bertalot, 1980
Species Checked: verified by a taxonomic editorNitzschia arenosa M.Garcia-Baptista, 1992
Species Unreviewed: has not been verified by a taxonomic editorNitzschia armoricana (Kützing) Grunow, 1862
Species Unreviewed: has not been verified by a taxonomic editorNitzschia australis (Peragallo) A.Mann, 1937
Species Unreviewed: has not been verified by a taxonomic editorNitzschia bacata Hustedt, 1937
  » Forma Unreviewed: has not been verified by a taxonomic editorNitzschia bacata f. bacata Hustedt, 1938 (uncertain, unassessed)
» Forma Unreviewed: has not been verified by a taxonomic editorNitzschia bacata f. lancettula Manguin, 1954 (uncertain, unassessed)
» Forma Unreviewed: has not been verified by a taxonomic editorNitzschia bacata f. linearis Hustedt, 1949 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia bacata var. lancettula Manguin, 1954 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia bacillariaeformis Hustedt, 1922
  » Variety Unreviewed: has not been verified by a taxonomic editorNitzschia bacillariaeformis var. bacillariaeformis Hustedt, 1922 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia bacillariaeformis var. producta Cholnoky, 1954 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia bacilliformis Hustedt, 1922
  » Variety Unreviewed: has not been verified by a taxonomic editorNitzschia bacilliformis var. bacilliformis Hustedt, 1922 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia bacilliformis var. elongata Skvortzow, 1935 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia bacillum Hustedt, 1922
Species Unreviewed: has not been verified by a taxonomic editorNitzschia barbieri Peragallo, 1921
  » Variety Unreviewed: has not been verified by a taxonomic editorNitzschia barbieri var. barbieri M. Peragallo, 1921 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia barbieri var. latestriata M. Peragallo, 1921 accepted as Unreviewed: has not been verified by a taxonomic editorFragilariopsis peragallii (Hasle) Cremer, 2003 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia barbieri var. minor M. Peragallo, 1921 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia bavarica Hustedt, 1953
Species Unreviewed: has not been verified by a taxonomic editorNitzschia behrei Hustedt, 1959
Species Unreviewed: has not been verified by a taxonomic editorNitzschia bergii A.Cleve, 1953
Species Unreviewed: has not been verified by a taxonomic editorNitzschia beyeri Lange-Bertalot, 2004
Species Unreviewed: has not been verified by a taxonomic editorNitzschia biacrula Hohn & Hellermann, 1963
Species Unreviewed: has not been verified by a taxonomic editorNitzschia bicapitata Cleve, 1901
  » Variety Unreviewed: has not been verified by a taxonomic editorNitzschia bicapitata var. faeroensis G. Fryxell, 2000 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia bifurcata Kaczmarska & Licea, 1986
Species Unreviewed: has not been verified by a taxonomic editorNitzschia bilobata W.Smith, 1853
  » Forma Unreviewed: has not been verified by a taxonomic editorNitzschia bilobata f. bilobata W. Smith, 1853 (uncertain, unassessed)
» Forma Unreviewed: has not been verified by a taxonomic editorNitzschia bilobata f. minima Østrup, 1910 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia bilobata var. adriatica Peragallo & Peragallo, 1899 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia bilobata var. ambigua Manguin in Bourrelly & Manguin, 1952 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia bilobata var. antarctica Frenguelli & Orlando, 1958 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia bilobata var. fossilis M. Peragallo in Héribaud et al., 1920 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia bilobata var. genuina Cleve-Euler, 1952 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia bilobata var. hybrida (Grunow) Van Heurck, 1880 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia bilobata var. lesinensis Grunow in Cleve & Grunow, 1880 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia bilobata var. notabilis Cleve-Euler, 1952 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia bilobata var. oamaruensis Desikachary & Sreelatha, 1989 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia bilobata var. verrucosa O’Meara, 1869 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia bita Hohn & Hellermann, 1963
Species Checked: verified by a taxonomic editorNitzschia bizertensis B.Smida, N.Lundholm, A.S.Hlaili & H.H.Mabrouk, 2014
Species Checked: verified by a taxonomic editorNitzschia blankaartensis Denys & Lange-Bert., 1998
Species Unreviewed: has not been verified by a taxonomic editorNitzschia boliviana E.A.Morales & M.L.Vis, 2007
Species Unreviewed: has not been verified by a taxonomic editorNitzschia braarudii G.R.Hasle, 1960
Species Unreviewed: has not been verified by a taxonomic editorNitzschia brachygramma D.G.Mann & Trobajo, 2014
Species Unreviewed: has not been verified by a taxonomic editorNitzschia brebissonii W.Smith, 1853
  » Variety Unreviewed: has not been verified by a taxonomic editorNitzschia brebissonii var. borealis Cleve
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia brebissonii var. brebissoni W. Smith, 1853 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia brebissonii var. brevis Brébisson (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia brebissonii var. minuta Lacsny, 1916 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia bremenensis Hustedt
Species Unreviewed: has not been verified by a taxonomic editorNitzschia bremensis Hustedt, 1930
  » Variety Unreviewed: has not been verified by a taxonomic editorNitzschia bremensis var. brunsvigensis Hustedt, 1930
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia bremensis var. bremensis Hustedt in Schmidt et al., 1921 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia bremensis var. jeniseyensis Skvortzow, 1971 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia bremensis var. sinica Skvortzow, 1935 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia brevissima Grunow, 1880
Species Unreviewed: has not been verified by a taxonomic editorNitzschia bryophila (Hustedt) Hustedt, 1943
Species Unreviewed: has not been verified by a taxonomic editorNitzschia bryophila Petersen
  » Variety Unreviewed: has not been verified by a taxonomic editorNitzschia bryophila var. rostrata Tynni, 1994 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia buschbeckii Witkowski, Lange-Bertalot & Ruppel, 2004
Species Unreviewed: has not been verified by a taxonomic editorNitzschia capitellata Hustedt, 1922
  » Variety Unreviewed: has not been verified by a taxonomic editorNitzschia capitellata var. sibirica Skvortzow, 1938
» Variety Checked: verified by a taxonomic editorNitzschia capitellata var. tenuirostris (Grunow) Bukhtiyarova, 1995 accepted as Unreviewed: has not been verified by a taxonomic editorNitzschia palea var. tenuirostris Grunow, 1881
» Forma Unreviewed: has not been verified by a taxonomic editorNitzschia capitellata f. constricta Cleve-Euler, 1952 (uncertain, unassessed)
» Forma Unreviewed: has not been verified by a taxonomic editorNitzschia capitellata f. genuina Cleve-Euler, 1952 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia capitellata var. capitellata Hustedt in Schmidt et al., 1922 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia capitellata var. lapponica Cleve-Euler, 1952 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia capitellata var. maxima Gandhi, 1961 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia capitellata var. mongolica Skvortzow, 1935 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia capitellata var. mongolica Skvortzov, 1935 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia capitellata var. montana Skvortzow, 1938 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia capitellata var. nipponica Skvortzow, 1936 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia capitellata var. sinica Skvortzow, 1946 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia capuluspalae Simonsen, 1965
Species Unreviewed: has not been verified by a taxonomic editorNitzschia carnico-barica
Species Unreviewed: has not been verified by a taxonomic editorNitzschia chalonii Van Heurck
  » Variety Unreviewed: has not been verified by a taxonomic editorNitzschia chalonii var. chalonii Van Heurck, 1909 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia chalonii var. delicatissima Van Heurck, 1909 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia chalonii var. tenuistriata Van Heurck, 1909 (uncertain, unassessed)
Species Checked: verified by a taxonomic editorNitzschia chardezii Van de Vijver & Beyens, 2002
Species Unreviewed: has not been verified by a taxonomic editorNitzschia chauhanii H.P.Gandhi, 1998
Species Unreviewed: has not been verified by a taxonomic editorNitzschia clarissima H.Peragallo & M.Peragallo, 1899
  » Variety Unreviewed: has not been verified by a taxonomic editorNitzschia clarissima var. clarissima Peragallo & Peragallo, 1899 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia clarissima var. obtusa Peragallo & Peragallo, 1899 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia clausii Hantzsch, 1860
  » Forma Unreviewed: has not been verified by a taxonomic editorNitzschia clausii f. clausii Hantzsch, 1860 (uncertain, unassessed)
» Forma Unreviewed: has not been verified by a taxonomic editorNitzschia clausii f. curvirostrata Manguin, 1942 (uncertain, unassessed)
» Forma Unreviewed: has not been verified by a taxonomic editorNitzschia clausii f. major Hustedt in Schmidt et al., 1921 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia clevei Brun
Species Unreviewed: has not been verified by a taxonomic editorNitzschia communis Rabenhorst, 1860
  » Variety Unreviewed: has not been verified by a taxonomic editorNitzschia communis var. obtusa Grunow, 1880
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia communis var. perpusilla Rabenhorst
» Forma Unreviewed: has not been verified by a taxonomic editorNitzschia communis f. acuta Manguin in Bourrelly & Manguin, 1952 (uncertain, unassessed)
» Forma Unreviewed: has not been verified by a taxonomic editorNitzschia communis f. angustior (A. Cleve) F.W. Mills, 1934 (uncertain, unassessed)
» Forma Unreviewed: has not been verified by a taxonomic editorNitzschia communis f. communis Rabenhorst, 1860 (uncertain, unassessed)
» Forma Unreviewed: has not been verified by a taxonomic editorNitzschia communis f. lata Manguin in Bourrelly & Manguin, 1952 (uncertain, unassessed)
» Forma Unreviewed: has not been verified by a taxonomic editorNitzschia communis f. perpusilla Rabenhorst (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia communis var. abbreviata Grunow in Cleve & Grunow, 1880 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia communis var. genuina Mayer, 1913 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia communis var. genuina Kirchner, 1878 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia communis var. minor Tempère & Peragallo, 1915 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia communis var. minuta Bleisch. (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia communis var. robusta Guermeur, 1954 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia communis var. smolandica Cleve-Euler, 1952 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia commutata Grunow, 1880
  » Forma Unreviewed: has not been verified by a taxonomic editorNitzschia commutata f. angustior A. Cleve, 1900 (uncertain, unassessed)
» Forma Unreviewed: has not been verified by a taxonomic editorNitzschia commutata f. commutata Grunow in Cleve & Grunow, 1880 (uncertain, unassessed)
» Forma Unreviewed: has not been verified by a taxonomic editorNitzschia commutata f. minor Grunow in Tempère & Peragallo, 1908 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia commutata var. curta Skvortzow, 1935 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia commutata var. pamirensis (Hustedt) Cleve-Euler, 1952 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia commutata var. typica Cleve-Euler, 1952 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia commutatoides Lange-Bertalot, 1987
Species Unreviewed: has not been verified by a taxonomic editorNitzschia confinis Hustedt, 1949
  » Variety Unreviewed: has not been verified by a taxonomic editorNitzschia confinis var. maxima Patrick, 1970 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia constricta (Gregory) Grunow, 1880
  » Variety Unreviewed: has not been verified by a taxonomic editorNitzschia constricta var. putrida (Cohn) Rabenhorst, 1868 accepted as Unreviewed: has not been verified by a taxonomic editorNitzschia putrida (Cohn) Benecke, 1900
» Forma Unreviewed: has not been verified by a taxonomic editorNitzschia constricta f. constricta (Gregory) Grunow in Cleve & Grunow, 1880 (uncertain, unassessed)
» Forma Unreviewed: has not been verified by a taxonomic editorNitzschia constricta f. constricta (Kützing) Ralfs in Pritchard, 1861 (uncertain, unassessed)
» Forma Unreviewed: has not been verified by a taxonomic editorNitzschia constricta f. minor Rabenhorst, 1863 (uncertain, unassessed)
» Forma Unreviewed: has not been verified by a taxonomic editorNitzschia constricta f. minor Rabenhorst, 1864 (uncertain, unassessed)
» Forma Unreviewed: has not been verified by a taxonomic editorNitzschia constricta f. parva Grunow in Van Heurck, 1881 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia constricta var. genuina sensu Cleve-Euler, 1952 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia constricta var. genuina Grunow in Cleve & Grunow, 1880 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia constricta var. major Grunow, 1862 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia constricta var. mediterranea Aleem, 1948 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia constricta var. minor Grunow, 1862 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia constricta var. parva Meyer, 1925 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia constricta var. similis Grunow in Cleve & Grunow, 1880 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia constricta var. subconstricta Grunow in Cleve & Grunow, 1880 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia costei L.Tudesque, F.Rimet & L.Ector, 2008
Species Unreviewed: has not been verified by a taxonomic editorNitzschia creticola Østrup, 1910
Species Unreviewed: has not been verified by a taxonomic editorNitzschia curvata Compère, 1981
Species Unreviewed: has not been verified by a taxonomic editorNitzschia curvirostris Cleve
  » Variety Unreviewed: has not been verified by a taxonomic editorNitzschia curvirostris var. closterium (Ehrenberg) De Toni, 1892 accepted as Unreviewed: has not been verified by a taxonomic editorNitzschia closterium (Ehrenberg) W.Smith, 1853
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia curvirostris var. delicatissima Lemmermann, 1898 accepted as Unreviewed: has not been verified by a taxonomic editorCylindrotheca closterium (Ehrenberg) Reimann & J.C.Lewin, 1964
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia curvirostris var. curvirostris Cleve, 1878 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia dakariensis Guermeur, 1954
  » Forma Unreviewed: has not been verified by a taxonomic editorNitzschia dakariensis f. egyptica Foged, 1982 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia decipiens Hustedt, 1958
Species Unreviewed: has not been verified by a taxonomic editorNitzschia desertorum Hustedt, 1949
Species Unreviewed: has not been verified by a taxonomic editorNitzschia dicrogramma D.G.Mann & Trobajo, 2014
Species Unreviewed: has not been verified by a taxonomic editorNitzschia dietrichii Simonsen, 1974
Species Unreviewed: has not been verified by a taxonomic editorNitzschia directa Pantocsek, 1902
  » Variety Unreviewed: has not been verified by a taxonomic editorNitzschia directa var. directa Pantocsek, 1902 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia directa var. torquata Pantocsek, 1902 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia dissipata (Kützing) Rabenhorst, 1860
  » Variety Unreviewed: has not been verified by a taxonomic editorNitzschia dissipata var. media (Hantzsch) Grunow, 1881
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia dissipata var. acula (Kützing) Van Heurck, 1885 accepted as Unreviewed: has not been verified by a taxonomic editorNitzschia acula (Kützing) Hantzsch, 1861
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia dissipata var. antarctica Peragallo, 1921 accepted as Unreviewed: has not been verified by a taxonomic editorNitzschia decipiens Hustedt, 1958
» Forma Unreviewed: has not been verified by a taxonomic editorNitzschia dissipata f. dissipata (Kützing) Grunow, 1862 (uncertain, unassessed)
» Forma Unreviewed: has not been verified by a taxonomic editorNitzschia dissipata f. maewensis Foged, 1972 (uncertain, unassessed)
» Forma Unreviewed: has not been verified by a taxonomic editorNitzschia dissipata f. undulata Sovereign, 1963 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia dissipata var. bornensis Hustedt in Schmidt et al., 1921 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia dissipata var. capitellata Frenguelli & Orlando, 1958 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia dissipata var. genuina Cleve-Euler, 1952 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia dissipata var. genuina Mayer, 1913 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia dissipata var. intermedia Gutwinski, 1895 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia dissipata var. minutissima (W. Smith) Mayer, 1918 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia dissipata var. pygmaea Mayer, 1913 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia distans W.Gregory, 1857
  » Variety Unreviewed: has not been verified by a taxonomic editorNitzschia distans var. australiensis Grunow in Cleve & Grunow, 1880 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia distans var. distans Gregory, 1857 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia distans var. erratica Cleve, 1896 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia distans var. eximia Grunow in Cleve & Grunow, 1880 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia distans var. labradorica Cleve, 1896 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia distans var. quarnerensis (Grunow) Grunow in Cleve & Grunow, 1880 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia distans var. robusta Cleve & Möller, 1878 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia distans var. sigmoidea Grunow in Cleve & Grunow, 1880 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia distans var. subdilatata Grunow in Cleve & Grunow, 1880 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia distans var. subsigmoidea Grunow in Van Heurck, 1881 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia distans var. tumescens Cleve & Möller, 1879 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia diversa Hustedt, 1959
Species Unreviewed: has not been verified by a taxonomic editorNitzschia draveillensis Coste & Ricard, 1980
Species Unreviewed: has not been verified by a taxonomic editorNitzschia dubia W.Smith, 1853
  » Variety Unreviewed: has not been verified by a taxonomic editorNitzschia dubia var. australis Peragallo, 1921 accepted as Unreviewed: has not been verified by a taxonomic editorNitzschia australis (Peragallo) A.Mann, 1937
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia dubia var. constricta (Kützing) Carruthers, 1864 accepted as Unreviewed: has not been verified by a taxonomic editorTryblionella kuetzingii Álvarez-Blanco & S.Blanco, 2014
» Forma Unreviewed: has not been verified by a taxonomic editorNitzschia dubia f. dubia W. Smith, 1853 (uncertain, unassessed)
» Forma Unreviewed: has not been verified by a taxonomic editorNitzschia dubia f. minor Cleve & Möller, 1879 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia dubia var. beta W. Smith, 1853 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia dubia var. karstenii Migula, 1907 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia dubia var. latestriata Østrup, 1910 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia dubia var. minor Grunow, 1862 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia dubia var. minor M. Peragallo in Héribaud et al., 1920 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia dubia var. siberica Grunow in Cleve & Grunow, 1880 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia dubia var. typica Cleve-Euler, 1952 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia dubiiformis Hustedt, 1939
Species Unreviewed: has not been verified by a taxonomic editorNitzschia ebroicensis Maillard, 1971
Species Unreviewed: has not been verified by a taxonomic editorNitzschia eglei Lange-Bertalot, 1987
Species Unreviewed: has not been verified by a taxonomic editorNitzschia elegantula Grunow, 1881
Species Unreviewed: has not been verified by a taxonomic editorNitzschia elliptica Hustedt
  » Variety Unreviewed: has not been verified by a taxonomic editorNitzschia elliptica var. alexandrina Cholnoky, 1958 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia elliptica var. elliptica Hustedt, 1949 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia epiphytica O.Müller, 1905
Species Unreviewed: has not been verified by a taxonomic editorNitzschia epiphyticoides Hustedt, 1949
Species Unreviewed: has not been verified by a taxonomic editorNitzschia epithemoides Grunow, 1880
  » Variety Unreviewed: has not been verified by a taxonomic editorNitzschia epithemoides var. disputata (J.R.Carter) Lange-Bertalot, 1987
Species Unreviewed: has not been verified by a taxonomic editorNitzschia eutinensis H.Lange-Bertalot & M.Werum, 2014
Species Unreviewed: has not been verified by a taxonomic editorNitzschia fasciculata (Grunow) Grunow, 1881
  » Forma Unreviewed: has not been verified by a taxonomic editorNitzschia fasciculata f. fasciculata (Grunow) Grunow in Van Heurck, 1881 (uncertain, unassessed)
» Forma Unreviewed: has not been verified by a taxonomic editorNitzschia fasciculata f. minor Peragallo & Peragallo, 1899 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia fasciculata var. intermedia Cleve-Euler, 1952 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia fasciculata var. minor (Peragallo & Peragallo) Tempère & Peragallo, 1909 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia fibula-fissa Lange-Bertalot, 1980
Species Unreviewed: has not been verified by a taxonomic editorNitzschia filiformis (W.Smith) Hustedt
  » Variety Unreviewed: has not been verified by a taxonomic editorNitzschia filiformis var. conferta (Richt) Lange-Bertalot, 1987
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia filiformis var. filiformis (W. Smith) Van Heurck, 1896 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia filiformis var. genuina Cleve-Euler, 1952 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia filiformis var. ignorata (Krasske) Cleve-Euler, 1952 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia flexa Schumann, 1862
  » Variety Unreviewed: has not been verified by a taxonomic editorNitzschia flexa var. flexa Schumann, 1862 (1863) (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia flexa var. philippinica Skvortzow, 1937 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia flexoides Geitler, 1968
Species Unreviewed: has not been verified by a taxonomic editorNitzschia fluminensis Grunow
  » Variety Unreviewed: has not been verified by a taxonomic editorNitzschia fluminensis var. angusta Grunow in Cleve & Grunow, 1880 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia fluminensis var. densestriata Østrup, 1910 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia fluminensis var. fluminensis Grunow, 1862 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia fluminensis var. majuscula Grunow in Van Heurck, 1881 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia fluminensis var. subundulata Grunow in Cleve & Grunow, 1880 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia fonticola (Grunow) Grunow, 1881
  » Variety Unreviewed: has not been verified by a taxonomic editorNitzschia fonticola var. capitata Cleve-Euler, 1952 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia fonticola var. pelagica Hustedt in Schmidt et al., 1924 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia fonticola Grunow, 1879
  » Forma Unreviewed: has not been verified by a taxonomic editorNitzschia fonticola f. minutissima Compère, 1975
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia fonticola var. baicalensis (Skvortzow) Kisselev in Proschkina-Lavrenko, 1950 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia fonticola var. constricta Skvortzow, 1935 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia fonticola var. fonticola Grunow in Cleve & Möller, 1879 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia fonticola var. genuina Cleve-Euler, 1952 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia fonticola var. romana (Grunow in Cleve & Grunow) Cleve-Euler, 1932 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia fonticola var. romana (Grunow) Cleve-Euler, 1952 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia fonticola var. septentrionalis Cleve-Euler, 1934 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia fontifuga Cholnoky, 1962
Species Unreviewed: has not been verified by a taxonomic editorNitzschia fossilis (Grunow) Grunow, 1881
Species Unreviewed: has not been verified by a taxonomic editorNitzschia fragilariiformis Compère, 1986
Species Unreviewed: has not been verified by a taxonomic editorNitzschia franconica Reinsch, 1866
  » Variety Unreviewed: has not been verified by a taxonomic editorNitzschia franconica var. franconica Reinsch, 1866 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia franconica var. serpentina Reinsch, 1866 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia franconica var. serpentina Reinsch in Rabenhorst, 1866 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia frequens Hustedt, 1957
Species Unreviewed: has not been verified by a taxonomic editorNitzschia frigida Grunow, 1880
Species Unreviewed: has not been verified by a taxonomic editorNitzschia frustuloides Manguin
  » Variety Unreviewed: has not been verified by a taxonomic editorNitzschia frustuloides var. frustuloides Manguin, 1964 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia frustuloides var. tenuicollis Manguin, 1964 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia frustulum (Kützing) Grunow, 1880
  » Variety Unreviewed: has not been verified by a taxonomic editorNitzschia frustulum var. bulnheimiana (Rabenhorst) Grunow, 1881
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia frustulum var. perpusilla (Rabenhorst) Van Heurck, 1885
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia frustulum var. perpusillum (Rabenhorst) Grunow
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia frustulum var. symbioticum Lee & Reimer, 1982
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia frustulum var. bryophila Hustedt, 1937 accepted as Unreviewed: has not been verified by a taxonomic editorNitzschia bryophila (Hustedt) Hustedt, 1943
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia frustulum var. hantzschiana (Rabenhorst) Grunow, 1881 accepted as Unreviewed: has not been verified by a taxonomic editorNitzschia hantzschiana Rabenhorst, 1860
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia frustulum var. hantzschiana (Rabenhorst) Comber, 1901 accepted as Unreviewed: has not been verified by a taxonomic editorNitzschia hantzschiana Rabenhorst, 1860
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia frustulum var. inconspicua (Grunow) Grunow, 1882 accepted as Unreviewed: has not been verified by a taxonomic editorNitzschia inconspicua Grunow, 1862
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia frustulum var. perminutum Grunow, 1881 accepted as Unreviewed: has not been verified by a taxonomic editorNitzschia perminuta (Grunow) M.Peragallo, 1903
» Forma Unreviewed: has not been verified by a taxonomic editorNitzschia frustulum f. bulnheimiana Cleve-Euler, 1952 (uncertain, unassessed)
» Forma Unreviewed: has not been verified by a taxonomic editorNitzschia frustulum f. constricta Hustedt, 1939 (uncertain, unassessed)
» Forma Unreviewed: has not been verified by a taxonomic editorNitzschia frustulum f. constricta Hustedt, 1939 (uncertain, unassessed)
» Forma Unreviewed: has not been verified by a taxonomic editorNitzschia frustulum f. curta Grunow in Van Heurck, 1881 (uncertain, unassessed)
» Forma Unreviewed: has not been verified by a taxonomic editorNitzschia frustulum f. frustulum (Kützing) Grunow in Cleve & Grunow, 1880 (uncertain, unassessed)
» Forma Unreviewed: has not been verified by a taxonomic editorNitzschia frustulum f. genuina Mayer, 1917 (uncertain, unassessed)
» Forma Unreviewed: has not been verified by a taxonomic editorNitzschia frustulum f. inconspicua (Grunow) Tynni, 1980 (uncertain, unassessed)
» Forma Unreviewed: has not been verified by a taxonomic editorNitzschia frustulum f. perminuta Grunow in Van Heurck, 1881 (uncertain, unassessed)
» Forma Unreviewed: has not been verified by a taxonomic editorNitzschia frustulum f. subserians Grunow in Van Heurck, 1881 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia frustulum var. acuta Pantocsek, 1889 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia frustulum var. asiatica Hustedt, 1922 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia frustulum var. capitata Pantocsek (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia frustulum var. constricta Pantocsek, 1889 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia frustulum var. curvata Pantocsek, 1889 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia frustulum var. filiformis Hajós, 1959 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia frustulum var. filiformis Hajós, 1968 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia frustulum var. glacialis Grunow in Van Heurck, 1881 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia frustulum var. hungarica Pantocsek, 1889 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia frustulum var. kerguelenensis Manguin in Bourrelly & Manguin, 1954 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia frustulum var. lancoleata Hajós, 1959 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia frustulum var. minuta Pantocsek, 1889 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia frustulum var. minutula Grunow in Van Heurck, 1881 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia frustulum var. miocenica Hajós, 1959 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia frustulum var. mongolica Skvortzow, 1935 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia frustulum var. oblonga Hajós, 1968 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia frustulum var. obtusa Pantocsek, 1889 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia frustulum var. producta Pantocsek, 1889 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia frustulum var. recurvata Pantocsek & Greguss in Greguss, 1913 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia frustulum var. rostrata Manguin, 1964 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia frustulum var. subsalina Hustedt, 1930 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia frustulum var. subserians (Grunow) Grunow, 1882 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia frustulum var. symbiotica Lee & Reimer, 1984 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia frustulum var. tenella Grunow in Van Heurck, 1881 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia frustulum var. tenella Cleve-Euler, 1952 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia frustulum var. tumidula Zanon, 1941 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia gandersheimiensis Krasske, 1927
  » Forma Unreviewed: has not been verified by a taxonomic editorNitzschia gandersheimiensis f. tenuirostris (Grunow in Van Heurck) Lange-Bertalot, 1980 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia gazellae Karsten, 1905
Species Unreviewed: has not been verified by a taxonomic editorNitzschia geitlerii Hustedt, 1959
Species Unreviewed: has not been verified by a taxonomic editorNitzschia gelida Grunow
  » Variety Unreviewed: has not been verified by a taxonomic editorNitzschia gelida var. manitounukensis Poulin & Cardinal, 1983
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia gelida var. gelida Cleve & Grunow in Cleve & Moller, 1882 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia gelida var. punctulata Cleve & Möller, 1882 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia gessneri Hustedt, 1953
Species Unreviewed: has not been verified by a taxonomic editorNitzschia glacialis Grunow
  » Variety Unreviewed: has not been verified by a taxonomic editorNitzschia glacialis var. tenuior Cleve-Euler, 1934
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia glacialis var. glacialis Grunow in Van Heurck, 1881 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia gotlandica A.Cleve, 1952
Species Unreviewed: has not been verified by a taxonomic editorNitzschia graciliformis Lange-Bertalot & Simonsen, 1978
Species Unreviewed: has not been verified by a taxonomic editorNitzschia gracilis Hantzsch, 1860
  » Forma Unreviewed: has not been verified by a taxonomic editorNitzschia gracilis f. acicularoides Coste & Ricard, 1980 (uncertain, unassessed)
» Forma Unreviewed: has not been verified by a taxonomic editorNitzschia gracilis f. brevis Manguin, 1964 (uncertain, unassessed)
» Forma Unreviewed: has not been verified by a taxonomic editorNitzschia gracilis f. gracilis Hantzsch, 1860 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia gracilis var. brevior Cleve-Euler, 1952 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia gracilis var. capitata Wislouch & Poretzky in Poretzky, 1924 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia gracilis var. densior Cleve-Euler, 1952 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia gracilis var. hongkongensis Skvortzow, 1975 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia gracilis var. minor Skabichevskii, 1942 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia gracilis var. torfacea Steinecke, 1915 (1916) (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia gracilis var. typica Cleve-Euler, 1952 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia grana M.H.Hohn & Hellerman, 1966
Species Unreviewed: has not been verified by a taxonomic editorNitzschia gruendleri Grunow
  » Forma Unreviewed: has not been verified by a taxonomic editorNitzschia gruendleri f. gruendleri Grunow in Cleve, 1878 (uncertain, unassessed)
» Forma Unreviewed: has not been verified by a taxonomic editorNitzschia gruendleri f. minor Cleve & Möller, 1882 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia gruendleri var. antarctica Heiden & Kolbe, 1928 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia gyrosigma Ohtsuka, 2005
Species Unreviewed: has not been verified by a taxonomic editorNitzschia habirshawii Febiger ex H.L.Smith, 1879
Species Unreviewed: has not been verified by a taxonomic editorNitzschia hadriatica Lange-Bertalot, 1997
Species Unreviewed: has not been verified by a taxonomic editorNitzschia hantzschiana Rabenhorst, 1860
  » Variety Unreviewed: has not been verified by a taxonomic editorNitzschia hantzschiana var. tenuior (Cleve-Euler) Cleve-Euler, 1952
» Forma Unreviewed: has not been verified by a taxonomic editorNitzschia hantzschiana f. hantzschiana Rabenhorst, 1860 (uncertain, unassessed)
» Forma Unreviewed: has not been verified by a taxonomic editorNitzschia hantzschiana f. subserians (Grunow in Van Heurck) Hustedt in Schmidt et al., 1924 (uncertain, unassessed)
» Forma Unreviewed: has not been verified by a taxonomic editorNitzschia hantzschiana f. subserians Grunow in Van Heurck, 1881 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia hantzschiana var. angustata (Pantocsek) F.W. Mills, 1934 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia hantzschiana var. densestriata Cleve-Euler, 1952 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia hantzschiana var. genuina Cleve-Euler, 1952 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia hantzschiana var. glacialis Grunow in Cleve & Grunow, 1880 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia hantzschiana var. subserians (Grunow in Van Heurck) Østrup, 1910 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia harderi Hustedt, 1948
Species Unreviewed: has not been verified by a taxonomic editorNitzschia heufleriana Grunow, 1862
  » Variety Unreviewed: has not been verified by a taxonomic editorNitzschia heufleriana var. asiatica Skvortzow, 1929 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia heufleriana var. elongata Pantocsek, 1902 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia heufleriana var. genuina Cleve-Euler, 1952 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia heufleriana var. heufleriana Grunow, 1862 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia heufleriana var. major M. Peragallo in Héribaud et al., 1920 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia heufleriana var. recta Østrup, 1910 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia hollerupensis Foged, 1962
Species Unreviewed: has not been verified by a taxonomic editorNitzschia holsatica Hustedt, 1930
Species Unreviewed: has not been verified by a taxonomic editorNitzschia homburgiensis Lange-Bertalot, 1978
Species Unreviewed: has not been verified by a taxonomic editorNitzschia hustedtiana Salah, 1953
Species Unreviewed: has not been verified by a taxonomic editorNitzschia hybrida Grunow
  » Variety Unreviewed: has not been verified by a taxonomic editorNitzschia hybrida var. gaspesiana Poulin, Hudon & Cardinal, 1982
» Forma Unreviewed: has not been verified by a taxonomic editorNitzschia hybrida f. hyalina Proschkina-Lavrenko, 1963 (uncertain, unassessed)
» Forma Unreviewed: has not been verified by a taxonomic editorNitzschia hybrida f. hybrida Grunow in Cleve & Grunow, 1880 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia hybrida var. kryokonites Cleve, 1883 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia hybrida var. pellucida Grunow in Cleve & Grunow, 1880 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia hybrida var. pellucida sensu Cleve-Euler, 1915 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia iltisii Compère, 1975
Species Unreviewed: has not been verified by a taxonomic editorNitzschia imae Álvarez-Blanco & S.Blanco, 2013
Species Unreviewed: has not been verified by a taxonomic editorNitzschia improvisa Simonsen, 1960
Species Unreviewed: has not been verified by a taxonomic editorNitzschia incerta (Grunow) M.Peragallo, 1903
Species Unreviewed: has not been verified by a taxonomic editorNitzschia incognita Legler & Krasske, 1940
Species Unreviewed: has not been verified by a taxonomic editorNitzschia inconspicua Grunow, 1862
Species Unreviewed: has not been verified by a taxonomic editorNitzschia incrustans Grunow, 1862
  » Variety Unreviewed: has not been verified by a taxonomic editorNitzschia incrustans var. dubia Grunow, 1862 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia incrustans var. genuina Grunow, 1862 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia incrustans var. incrustans Grunow, 1862 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia incrustans var. minor Grunow, 1862 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia incurva Grunow, 1878
  » Variety Unreviewed: has not been verified by a taxonomic editorNitzschia incurva var. lorenziana (Grunow) R.Ross, 1986
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia incurva var. subtilis (Grunow) R.Ross, 1986
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia incurva var. densistriata (Peragallo & Peragallo) M. Peragallo, 1903 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia ingens Frenguelli, 1945
  » Forma Unreviewed: has not been verified by a taxonomic editorNitzschia ingens f. curta Frenguelli, 1945 (uncertain, unassessed)
» Forma Unreviewed: has not been verified by a taxonomic editorNitzschia ingens f. ingens Frenguelli, 1945 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia insignis Gregory, 1857
  » Variety Unreviewed: has not been verified by a taxonomic editorNitzschia insignis var. lanceolata Hustedt, 1921
» Forma Unreviewed: has not been verified by a taxonomic editorNitzschia insignis f. insignis Gregory, 1857 (uncertain, unassessed)
» Forma Unreviewed: has not been verified by a taxonomic editorNitzschia insignis f. typica Peragallo & Peragallo, 1897-1908 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia insignis var. adriatica (Grunow in Cleve & Grunow) Grunow in Van Heurck, 1881 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia insignis var. arctica Grunow in Cleve & Grunow, 1880 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia insignis var. celebensis Grove Collection (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia insignis var. genuina Grunow in Cleve & Grunow, 1880 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia insignis var. marginifera Grunow in Cleve & Grunow, 1880 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia insignis var. mauritiana Grunow in Cleve & Grunow, 1880 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia insignis var. mediterranea Grunow in Cleve & Möller, 1878 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia insignis var. niceaensis Peragallo & Peragallo, 1900 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia insignis var. notabilis Grunow in Cleve & Grunow, 1880 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia insignis var. smithii (Ralfs) Grunow, 1881 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia insignis var. spathulifera Grunow in Cleve & Möller, 1878 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia insignis var. spathulifera Grunow, 1889 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia intermedia Hantzsch ex Cleve & Grunow, 1880
  » Forma Unreviewed: has not been verified by a taxonomic editorNitzschia intermedia f. actinastroides (Lemmermann) Lange-Bertalot, 1980 accepted as Unreviewed: has not been verified by a taxonomic editorNitzschia holsatica Hustedt, 1930
» Forma Unreviewed: has not been verified by a taxonomic editorNitzschia intermedia f. bengalensis Grunow in Van Heurck, 1881 (uncertain, unassessed)
» Forma Unreviewed: has not been verified by a taxonomic editorNitzschia intermedia f. densestriata Guermeur, 1954 (uncertain, unassessed)
» Forma Unreviewed: has not been verified by a taxonomic editorNitzschia intermedia f. intermedia Hantzsch ex Cleve & Grunow, 1880 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia intermedia var. capitata Hustedt, 1938 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia intermedia var. distans Cleve-Euler, 1952 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia intermedia var. robusta Hustedt, 1924 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia intermedia var. robusta Hustedt, 1949 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia interruptestriata Simonsen, 1974
Species Unreviewed: has not been verified by a taxonomic editorNitzschia invicta Hustedt
  » Forma Unreviewed: has not been verified by a taxonomic editorNitzschia invicta f. lanceolata Hustedt, 1942
» Forma Unreviewed: has not been verified by a taxonomic editorNitzschia invicta f. invicta Hustedt, 1938 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia iranica Compère, 1981
Species Unreviewed: has not been verified by a taxonomic editorNitzschia irregularis R.Ross & Abdin, 1949
Species Unreviewed: has not been verified by a taxonomic editorNitzschia juba J.R.Carter, 1981
Species Unreviewed: has not been verified by a taxonomic editorNitzschia kavirondoensis L.Sitoki & E.Rott, 2013
Species Unreviewed: has not been verified by a taxonomic editorNitzschia kittlii Grunow, 1882
  » Variety Unreviewed: has not been verified by a taxonomic editorNitzschia kittlii var. kittlii Grunow, 1882 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia kittlii var. minor Østrup in Héribaud et al., 1920 (uncertain, unassessed)
Species Checked: verified by a taxonomic editorNitzschia kociolekii Alakananda, B.Karthick, J.C.Taylor & P.B.Hamilton, 2015
Species Unreviewed: has not been verified by a taxonomic editorNitzschia kolaczeckii Grunow, 1867
Species Unreviewed: has not been verified by a taxonomic editorNitzschia kowiensis Giffen, 1970
Species Unreviewed: has not been verified by a taxonomic editorNitzschia kuetzingiana Hilse, 1863
  » Variety Unreviewed: has not been verified by a taxonomic editorNitzschia kuetzingiana var. romana Grunow in Cleve & Grunow, 1880 accepted as Unreviewed: has not been verified by a taxonomic editorNitzschia fonticola (Grunow) Grunow, 1881
» Forma Unreviewed: has not been verified by a taxonomic editorNitzschia kuetzingiana f. exigua Berg, 1952 (uncertain, unassessed)
» Forma Unreviewed: has not been verified by a taxonomic editorNitzschia kuetzingiana f. hyalina Bodeanu, 1976 (uncertain, unassessed)
» Forma Unreviewed: has not been verified by a taxonomic editorNitzschia kuetzingiana f. kuetzingiana Hilse, 1860 (uncertain, unassessed)
» Forma Unreviewed: has not been verified by a taxonomic editorNitzschia kuetzingiana f. terrestris Petersen, 1932 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia kuetzingiana var. capitata Poretzky, 1925 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia kuetzingiana var. exilis Grunow in Cleve & Grunow, 1880 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia kuetzingiana var. fonticola Grunow in Cleve & Grunow, 1880 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia kuetzingiana var. genuina Cleve-Euler, 1952 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia kuetzingiana var. major Cleve-Euler, 1952 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia kuetzingiana var. perminuta Grunow in Cleve & Grunow, 1880 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia kurzeana Rabenhorst, 1873
Species Unreviewed: has not been verified by a taxonomic editorNitzschia lacunarum Hustedt, 1930
Species Unreviewed: has not been verified by a taxonomic editorNitzschia lacuum Lange-Bertalot, 1980
Species Unreviewed: has not been verified by a taxonomic editorNitzschia lamprocampa Hantzsch ex Cleve & Grunow
  » Variety Unreviewed: has not been verified by a taxonomic editorNitzschia lamprocampa var. lamprocampa Hantzsch ex Cleve & Grunow, 1880 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia lamprocampa var. striata Lacsny, 1916 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia lanceola Grunow
  » Variety Unreviewed: has not been verified by a taxonomic editorNitzschia lanceola var. lanceola (Grunow in Cleve) Grunow in Cleve & Grunow, 1880 (uncertain, unassessed)
» Variety Unreviewed: has not been verified by a taxonomic editorNitzschia lanceola var. minutula Grunow in Cleve & Grunow, 1880 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia lanceolata W.Smith, 1853
Species Unreviewed: has not been verified by a taxonomic editorNitzschia lancettula O.F.Müller
Species Unreviewed: has not been verified by a taxonomic editorNitzschia latens Hustedt, 1949
Species Unreviewed: has not been verified by a taxonomic editorNitzschia lauenbergiana Hustedt, 1950
Species Unreviewed: has not been verified by a taxonomic editorNitzschia lecointei van Heurck, 1909
Species Unreviewed: has not been verified by a taxonomic editorNitzschia leistikowii Lange-Bertalot, 1980
Species Unreviewed: has not been verified by a taxonomic editorNitzschia liebetruthii Rabenhorst, 1864
Species Unreviewed: has not been verified by a taxonomic editorNitzschia ligowskii Witkowski, Lange-Bertalot, Kociolek & Brzezinska, 2004
Species Unreviewed: has not been verified by a taxonomic editorNitzschia limi Frenguelli, 1926
Species Unreviewed: has not been verified by a taxonomic editorNitzschia linearis W.Smith, 1853
Species Unreviewed: has not been verified by a taxonomic editorNitzschia linkei Hustedt, 1939
Species Unreviewed: has not been verified by a taxonomic editorNitzschia littorea Grunow, 1881
Species Unreviewed: has not been verified by a taxonomic editorNitzschia longicollum Hasle
Species Unreviewed: has not been verified by a taxonomic editorNitzschia longissima (Brébisson) Ralfs, 1861
Species Unreviewed: has not been verified by a taxonomic editorNitzschia lorenziana Grunow, 1879
Species Unreviewed: has not been verified by a taxonomic editorNitzschia lunata
Species Unreviewed: has not been verified by a taxonomic editorNitzschia luzonensis Hustedt
Species Unreviewed: has not been verified by a taxonomic editorNitzschia macilenta Gregory
Species Unreviewed: has not been verified by a taxonomic editorNitzschia major Grunow, 1881
Species Unreviewed: has not been verified by a taxonomic editorNitzschia majuscula Grunow
Species Unreviewed: has not been verified by a taxonomic editorNitzschia marina Grunow, 1880
Species Unreviewed: has not been verified by a taxonomic editorNitzschia martiana (C.Agardh) Van Heurck, 1896
Species Unreviewed: has not been verified by a taxonomic editorNitzschia medioconstricta Hustedt, 1958
Species Unreviewed: has not been verified by a taxonomic editorNitzschia microcephala Grunow, 1878
Species Unreviewed: has not been verified by a taxonomic editorNitzschia minutissima W.Smith, 1853
Species Unreviewed: has not been verified by a taxonomic editorNitzschia miramarensis Hagelstein, 1939
Species Unreviewed: has not been verified by a taxonomic editorNitzschia mitchelliana Greenleaf
Species Unreviewed: has not been verified by a taxonomic editorNitzschia modesta Hustedt, 1950
Species Unreviewed: has not been verified by a taxonomic editorNitzschia monachorum Lange-Bertalot, 1987
Species Unreviewed: has not been verified by a taxonomic editorNitzschia nana Grunow, 1881
Species Checked: verified by a taxonomic editorNitzschia navis-varingica N.Lundholm & Ø.Moestrup, 2000
Species Unreviewed: has not been verified by a taxonomic editorNitzschia navrongensis Foged, 1966
Species Unreviewed: has not been verified by a taxonomic editorNitzschia nelsonii Hanna & Grant, 1926 †
Species Unreviewed: has not been verified by a taxonomic editorNitzschia nicobarica (Grunow) Grunow
Species Unreviewed: has not been verified by a taxonomic editorNitzschia normannii GrunowVan, 1881
Species Unreviewed: has not been verified by a taxonomic editorNitzschia obtusa W.Smith, 1853
Species Unreviewed: has not been verified by a taxonomic editorNitzschia oligotraphenta (H.Lange-Bertalot) H.Lange-Bertalot
Species Unreviewed: has not been verified by a taxonomic editorNitzschia ossiformis (Taylor) Simonsen, 1974
Species Unreviewed: has not been verified by a taxonomic editorNitzschia ostenfeldii Hustedt
Species Unreviewed: has not been verified by a taxonomic editorNitzschia ovalis H.J.Arnott, 1880
Species Unreviewed: has not been verified by a taxonomic editorNitzschia pacifica Cupp, 1943
Species Unreviewed: has not been verified by a taxonomic editorNitzschia palea (Kützing) W.Smith, 1856
Species Unreviewed: has not been verified by a taxonomic editorNitzschia paleacea Grunow in Van Heurck, 1881
Species Unreviewed: has not been verified by a taxonomic editorNitzschia paleaeformis Hustedt, 1950
Species Unreviewed: has not been verified by a taxonomic editorNitzschia palustris Hustedt, 1934
Species Unreviewed: has not been verified by a taxonomic editorNitzschia parkii D.G.Mann & Trobajo, 2014
Species Unreviewed: has not been verified by a taxonomic editorNitzschia parvula W.Smith, 1853
Species Unreviewed: has not been verified by a taxonomic editorNitzschia parvuloides Cholnoky
Species Unreviewed: has not been verified by a taxonomic editorNitzschia peisonis Pantocsek, 1912
Species Unreviewed: has not been verified by a taxonomic editorNitzschia pelagica G.Karsten, 1905
Species Unreviewed: has not been verified by a taxonomic editorNitzschia pellucida Grunow, 1880
Species Unreviewed: has not been verified by a taxonomic editorNitzschia peragallii Hasle, 1965
Species Unreviewed: has not been verified by a taxonomic editorNitzschia perminuta (Grunow) M.Peragallo, 1903
Species Unreviewed: has not been verified by a taxonomic editorNitzschia perspicua Cholnoky, 1960
Species Unreviewed: has not been verified by a taxonomic editorNitzschia perspicua Sovereign, 1963
Species Unreviewed: has not been verified by a taxonomic editorNitzschia pertica Hohn & Hellermann, 1963
Species Unreviewed: has not been verified by a taxonomic editorNitzschia petitiana Grunow, 1880
Species Unreviewed: has not been verified by a taxonomic editorNitzschia plana W.Smith, 1853
Species Unreviewed: has not been verified by a taxonomic editorNitzschia polaris Grunow ex Cleve, 1883
Species Unreviewed: has not been verified by a taxonomic editorNitzschia pretoriensis Cholnoky, 1957
Species Unreviewed: has not been verified by a taxonomic editorNitzschia procera Hustedt, 1955
Species Unreviewed: has not been verified by a taxonomic editorNitzschia prolongata Hustedt, 1938
Species Unreviewed: has not been verified by a taxonomic editorNitzschia promare Medlin, 1990
Species Unreviewed: has not been verified by a taxonomic editorNitzschia pseudepiphytica Cocquyt & M.deHaan, 2012
Species Unreviewed: has not been verified by a taxonomic editorNitzschia pseudocommunis Hustedt, 1939
Species Unreviewed: has not been verified by a taxonomic editorNitzschia pseudofonticola Hustedt, 1942
Species Unreviewed: has not been verified by a taxonomic editorNitzschia pseudosigma Hustedt, 1937
Species Unreviewed: has not been verified by a taxonomic editorNitzschia pubens Cholnoky, 1960
Species Unreviewed: has not been verified by a taxonomic editorNitzschia pulcherrima (Grunow ex Kitton) Grunow, 1878
Species Unreviewed: has not been verified by a taxonomic editorNitzschia pumila Hustedt, 1954
Species Unreviewed: has not been verified by a taxonomic editorNitzschia punae Frenguelli
Species Unreviewed: has not been verified by a taxonomic editorNitzschia pura Hustedt, 1954
Species Unreviewed: has not been verified by a taxonomic editorNitzschia puriformis Hlúbiková & Ector, 2009
Species Unreviewed: has not been verified by a taxonomic editorNitzschia pusilla Grunow, 1862
Species Unreviewed: has not been verified by a taxonomic editorNitzschia putrida (Cohn) Benecke, 1900
Species Unreviewed: has not been verified by a taxonomic editorNitzschia quandrangula (Kützing) Lange-Bertalot
Species Unreviewed: has not been verified by a taxonomic editorNitzschia quickiana Hagelstein, 1939
Species Unreviewed: has not been verified by a taxonomic editorNitzschia radicula Hustedt, 1942
Species Unreviewed: has not been verified by a taxonomic editorNitzschia recta Hantzsch ex Rabenhorst, 1862
Species Unreviewed: has not been verified by a taxonomic editorNitzschia rectiformis Hustedt, 1943
Species Unreviewed: has not been verified by a taxonomic editorNitzschia rectilonga Takano, 1983
Species Unreviewed: has not been verified by a taxonomic editorNitzschia regula Hustedt
Species Unreviewed: has not been verified by a taxonomic editorNitzschia retusa Lange-Bertalot & Bonik, 1976
Species Unreviewed: has not been verified by a taxonomic editorNitzschia rhombicolancettula H.Lange-Bertalot & M.Werum, 2014
Species Unreviewed: has not been verified by a taxonomic editorNitzschia rhombiformis M.Potapova, 2004
Species Unreviewed: has not been verified by a taxonomic editorNitzschia richterae G.H.Schwabe & R.Simonsen, 1961
Species Unreviewed: has not been verified by a taxonomic editorNitzschia rigida (Kützing) H.Peragallo & M.Peragallo
Species Unreviewed: has not been verified by a taxonomic editorNitzschia romana Grunow, 1881
Species Unreviewed: has not been verified by a taxonomic editorNitzschia romanoides Manguin, 1952
Species Unreviewed: has not been verified by a taxonomic editorNitzschia romanowiana Pantocsek, 1902
Species Unreviewed: has not been verified by a taxonomic editorNitzschia rosenstockii Lange-Bertalot, 1980
Species Unreviewed: has not been verified by a taxonomic editorNitzschia rusingae E.Rott & L.Sitoki, 2013
Species Unreviewed: has not been verified by a taxonomic editorNitzschia sansimoni S.Blanco, I.Alvarez-Blanco & C.Cejudo-Figueiras, 2012
Species Unreviewed: has not been verified by a taxonomic editorNitzschia sarcophagum Gregory
Species Unreviewed: has not been verified by a taxonomic editorNitzschia scaligera Grunow, 1880
Species Unreviewed: has not been verified by a taxonomic editorNitzschia scalpelliformis Grunow, 1880
Species Unreviewed: has not been verified by a taxonomic editorNitzschia schweikertii Witkowski, Lange-Bertalot, Ruppel & Kociolek, 2004
Species Unreviewed: has not been verified by a taxonomic editorNitzschia semicostata Boyer, 1920
Species Unreviewed: has not been verified by a taxonomic editorNitzschia serrata Manguin, 1952
Species Unreviewed: has not been verified by a taxonomic editorNitzschia sicula (Castracane) Hustedt
Species Unreviewed: has not been verified by a taxonomic editorNitzschia sigma (Kützing) W.Smith, 1853
Species Unreviewed: has not been verified by a taxonomic editorNitzschia sigmaformis Hustedt
Species Unreviewed: has not been verified by a taxonomic editorNitzschia sigmoidea (Nitzsch) W.Smith, 1853
Species Unreviewed: has not been verified by a taxonomic editorNitzschia silica Archibald, 1966
Species Unreviewed: has not been verified by a taxonomic editorNitzschia similis Hustedt, 1937
Species Unreviewed: has not been verified by a taxonomic editorNitzschia sinensis Liu et al., 1984
Species Unreviewed: has not been verified by a taxonomic editorNitzschia smithii Ralfs, 1861
Species Unreviewed: has not been verified by a taxonomic editorNitzschia sociabilis Hustedt, 1957
Species Unreviewed: has not been verified by a taxonomic editorNitzschia socialis Gregory, 1857
Species Unreviewed: has not been verified by a taxonomic editorNitzschia solida J.Frenguelli & H.A.Orlando, 1958
Species Unreviewed: has not been verified by a taxonomic editorNitzschia solita Hustedt, 1953
Species Unreviewed: has not been verified by a taxonomic editorNitzschia spathulata W.Smith, 1853
Species Unreviewed: has not been verified by a taxonomic editorNitzschia speciosa Hustedt, 1945
Species Unreviewed: has not been verified by a taxonomic editorNitzschia spectabilis (Ehrenberg) Ralfs, 1861
Species Unreviewed: has not been verified by a taxonomic editorNitzschia sphaerophora A.Cleve
Species Unreviewed: has not been verified by a taxonomic editorNitzschia spinifera Z.Levkov, D.Metzeltin & S.Krstic, 2006
Species Unreviewed: has not been verified by a taxonomic editorNitzschia stellata Manguin, 1957
Species Unreviewed: has not been verified by a taxonomic editorNitzschia stoliczkiana Grunow
Species Unreviewed: has not been verified by a taxonomic editorNitzschia stompsii Cholnoky, 1963
Species Unreviewed: has not been verified by a taxonomic editorNitzschia subacicularis Hustedt, 1922
Species Unreviewed: has not been verified by a taxonomic editorNitzschia subcohaerens (Grunow.) Van Heurck, 1896
Species Unreviewed: has not been verified by a taxonomic editorNitzschia subfrustulum Hustedt, 1939
Species Unreviewed: has not been verified by a taxonomic editorNitzschia subinvicta Hustedt, 1950
Species Unreviewed: has not been verified by a taxonomic editorNitzschia sublinearis Hustedt, 1930
Species Unreviewed: has not been verified by a taxonomic editorNitzschia subrostrata Hustedt, 1942
Species Unreviewed: has not been verified by a taxonomic editorNitzschia subrostratoides Cholnoky, 1966
Species Unreviewed: has not been verified by a taxonomic editorNitzschia suchlandtii Hustedt, 1943
Species Unreviewed: has not been verified by a taxonomic editorNitzschia supralitorea Lange-Bertalot, 1979
Species Unreviewed: has not been verified by a taxonomic editorNitzschia tainensis Foged, 1966
Species Unreviewed: has not been verified by a taxonomic editorNitzschia taylorii B.Alakananda, P.B.Hamilton & B.Karthick, 2012
Species Unreviewed: has not been verified by a taxonomic editorNitzschia tenuirostris Mer.
Species Unreviewed: has not been verified by a taxonomic editorNitzschia tenuissima H.Peragallo & M.Peragallo, 1900
Species Unreviewed: has not been verified by a taxonomic editorNitzschia terrestris (J.B.Petersen) Hustedt, 1934
Species Unreviewed: has not been verified by a taxonomic editorNitzschia thermalis (Ehrenberg) Auerswald, 1861
Species Unreviewed: has not been verified by a taxonomic editorNitzschia thermaloides Hustedt, 1955
Species Checked: verified by a taxonomic editorNitzschia tripudio Alakananda, B.Karthick, J.C.Taylor & P.B.Hamilton, 2015
Species Unreviewed: has not been verified by a taxonomic editorNitzschia tryblionella Hantzsch, 1860
Species Unreviewed: has not been verified by a taxonomic editorNitzschia tubicola Grunow, 1880
Species Unreviewed: has not been verified by a taxonomic editorNitzschia umbonata (Ehrenberg) Lange-Bertalot, 1978
Species Unreviewed: has not been verified by a taxonomic editorNitzschia vacua Hustedt, 1950
Species Unreviewed: has not been verified by a taxonomic editorNitzschia valdestriata Aleem & Hustedt, 1951
Species Unreviewed: has not been verified by a taxonomic editorNitzschia valens (Ehrenberg) Ralfs, 1861
Species Unreviewed: has not been verified by a taxonomic editorNitzschia valida Cleve & Grunow, 1878
Species Unreviewed: has not been verified by a taxonomic editorNitzschia vasta Hustedt, 1939
Species Unreviewed: has not been verified by a taxonomic editorNitzschia ventricosa Kitton, 1873
Species Unreviewed: has not been verified by a taxonomic editorNitzschia vermicularis (Kützing) Hantzsch, 1860
Species Unreviewed: has not been verified by a taxonomic editorNitzschia vidovichii Grunow
Species Unreviewed: has not been verified by a taxonomic editorNitzschia vitrea G.Norman, 1861
Species Unreviewed: has not been verified by a taxonomic editorNitzschia vivax W.Smith
Species Unreviewed: has not been verified by a taxonomic editorNitzschia vixpalea H.Lange-Bertalot & M.Werum, 2014
Species Unreviewed: has not been verified by a taxonomic editorNitzschia weissflogii Grunow, 1878
Species Unreviewed: has not been verified by a taxonomic editorNitzschia westiorum D.E. Kellogg, M. Stuiver, T.B. Kellogg & G.H. Denton, 1980
Species Unreviewed: has not been verified by a taxonomic editorNitzschia williamsii B.Alakananda, P.B.Hamilton & B.Karthick, 2012
Species Unreviewed: has not been verified by a taxonomic editorNitzschia wodensis J.R.Carter, 1964
Species Unreviewed: has not been verified by a taxonomic editorNitzschia wuellerstorfii Lange-Bertalot, 1987
Species Checked: verified by a taxonomic editorNitzschia yunchengensis Xie & Li, 1994

Species Unreviewed: has not been verified by a taxonomic editorNitzschia aciculariformis Manguin, 1957 accepted as Unreviewed: has not been verified by a taxonomic editorSynedropsis laevis (Heiden) G.R.Hasle, L.K.Medlin & E.E.Syvertsen, 1994
Species Unreviewed: has not been verified by a taxonomic editorNitzschia acicularioides Archibald, 1966 accepted as Unreviewed: has not been verified by a taxonomic editorNitzschia draveillensis Coste & Ricard, 1980
Species Unreviewed: has not been verified by a taxonomic editorNitzschia actinastroides (Lemmermann) van Goor, 1925 accepted as Unreviewed: has not been verified by a taxonomic editorNitzschia holsatica Hustedt, 1930
Species Unreviewed: has not been verified by a taxonomic editorNitzschia actydrophila Hasle, 1965 accepted as Checked: verified by a taxonomic editorPseudo-nitzschia delicatissima (Cleve) Heiden, 1928
Species Unreviewed: has not been verified by a taxonomic editorNitzschia acuminata (W.Smith) Grunow, 1880 accepted as Unreviewed: has not been verified by a taxonomic editorTryblionella acuminata W.Smith, 1853
Species Unreviewed: has not been verified by a taxonomic editorNitzschia acuta Cleve, 1878 accepted as Unreviewed: has not been verified by a taxonomic editorTryblionella acuta (Cleve) D.G.Mann, 1990
Species Unreviewed: has not been verified by a taxonomic editorNitzschia aerophila Hustedt, 1942 accepted as Unreviewed: has not been verified by a taxonomic editorTryblionella aerophila (Hustedt) D.G.Mann, 1990
Species Unreviewed: has not been verified by a taxonomic editorNitzschia americana Hasle, 1964 accepted as Unreviewed: has not been verified by a taxonomic editorPseudo-nitzschia americana (Hasle) Fryxell, 1993
Species Unreviewed: has not been verified by a taxonomic editorNitzschia amphioxys (Ehrenberg) W.Smith, 1853 accepted as Unreviewed: has not been verified by a taxonomic editorHantzschia amphioxys (Ehrenberg) Grunow, 1880
Species Checked: verified by a taxonomic editorNitzschia amphiplectans Hustedt accepted as Unreviewed: has not been verified by a taxonomic editorNitzschia amplectens Hustedt, 1957
Species Unreviewed: has not been verified by a taxonomic editorNitzschia angulata Hasle, 1972 accepted as Unreviewed: has not been verified by a taxonomic editorFragilariopsis rhombica (O'Meara) Hustedt, 1952
Species Unreviewed: has not been verified by a taxonomic editorNitzschia angustata (W.Smith) Grunow, 1880 accepted as Unreviewed: has not been verified by a taxonomic editorTryblionella angustata W.Smith, 1853
Species Unreviewed: has not been verified by a taxonomic editorNitzschia antarctica Okuno, 1954 accepted as Unreviewed: has not been verified by a taxonomic editorFragilariopsis rhombica (O'Meara) Hustedt, 1952
Species Unreviewed: has not been verified by a taxonomic editorNitzschia apiculata (Gregory) Grunow, 1878 accepted as Unreviewed: has not been verified by a taxonomic editorTryblionella apiculata Gregory, 1857
Species Unreviewed: has not been verified by a taxonomic editorNitzschia apiculata (W.Gregory) Grunow, 1880 accepted as Unreviewed: has not been verified by a taxonomic editorNitzschia constricta (Kützing) Ralfs, 1861
Species Unreviewed: has not been verified by a taxonomic editorNitzschia austriaca Hustedt, 1959 accepted as Unreviewed: has not been verified by a taxonomic editorNitzschia frustulum (Kützing) Grunow, 1880
Species Unreviewed: has not been verified by a taxonomic editorNitzschia balatonis Grunow, 1880 accepted as Unreviewed: has not been verified by a taxonomic editorTryblionella balatonis (Grunow) D.G.Mann, 1990
Species Unreviewed: has not been verified by a taxonomic editorNitzschia barkleyi Hustedt, 1952 accepted as Unreviewed: has not been verified by a taxonomic editorPseudo-nitzschia lineola (Cleve) Hasle, 1965
Species Unreviewed: has not been verified by a taxonomic editorNitzschia bathurstensis M.H.Giffen, 1970 accepted as Unreviewed: has not been verified by a taxonomic editorTryblionella bathurstensis (M.H.Giffen) D.G.Mann, 1990
Species Unreviewed: has not been verified by a taxonomic editorNitzschia birostrata W.Smith, 1853 accepted as Unreviewed: has not been verified by a taxonomic editorNitzschia longissima (Brébisson) Ralfs, 1861
Species Unreviewed: has not been verified by a taxonomic editorNitzschia circumsuta (Bailey) Grunow, 1880 accepted as Unreviewed: has not been verified by a taxonomic editorTryblionella circumsuta (Bailey) Ralfs, 1861
Species Unreviewed: has not been verified by a taxonomic editorNitzschia closterium (Ehrenberg) W.Smith, 1853 accepted as Unreviewed: has not been verified by a taxonomic editorCylindrotheca closterium (Ehrenberg) Reimann & J.C.Lewin, 1964
Species Unreviewed: has not been verified by a taxonomic editorNitzschia coarctata Grunow, 1880 accepted as Unreviewed: has not been verified by a taxonomic editorTryblionella coarctata (Grunow) D.G.Mann, 1990
Species Unreviewed: has not been verified by a taxonomic editorNitzschia cocconeiformis Grunow, 1880 accepted as Checked: verified by a taxonomic editorTryblionella cocconeiformis (Grunow) D.G.Mann in F.E.Round, R.A.Crawford & D.G.Mann, 1990
Species Unreviewed: has not been verified by a taxonomic editorNitzschia compacta Hustedt, 1958 accepted as Unreviewed: has not been verified by a taxonomic editorAuricula compacta (Hustedt) L.K.Medlin, 1990
Species Unreviewed: has not been verified by a taxonomic editorNitzschia compressa (Bailey) C.S.Boyer, 1916 accepted as Unreviewed: has not been verified by a taxonomic editorTryblionella compressa (J.W.Bailey) M.Poulin, 1990
Species Checked: verified by a taxonomic editorNitzschia confusa Hustedt accepted as Unreviewed: has not been verified by a taxonomic editorNitzschia confinis Hustedt, 1949
Species Unreviewed: has not been verified by a taxonomic editorNitzschia constricta (Kützing) Ralfs, 1861 accepted as Unreviewed: has not been verified by a taxonomic editorTryblionella kuetzingii Álvarez-Blanco & S.Blanco, 2014
Species Unreviewed: has not been verified by a taxonomic editorNitzschia curta (Van Heurck) Hasle, 1972 accepted as Unreviewed: has not been verified by a taxonomic editorFragilariopsis curta (Van Heurck) Hustedt, 1958
Species Unreviewed: has not been verified by a taxonomic editorNitzschia curvula W.Smith, 1856 accepted as Unreviewed: has not been verified by a taxonomic editorStenopterobia curvula (W.Smith) Krammer, 1987
Species Unreviewed: has not been verified by a taxonomic editorNitzschia cuspidata Hasle, 1965 accepted as Checked: verified by a taxonomic editorPseudo-nitzschia cuspidata (Hasle) Hasle, 1993
Species Unreviewed: has not been verified by a taxonomic editorNitzschia cylindriformis Hasle, 1984 accepted as Unreviewed: has not been verified by a taxonomic editorFragilariopsis cylindriformis (Hasle) Hasle, 1993
Species Unreviewed: has not been verified by a taxonomic editorNitzschia cylindrus (Grunow) Hasle, 1972 accepted as Unreviewed: has not been verified by a taxonomic editorFragilariopsis cylindrus (Grunow) Krieger, 1954
Species Unreviewed: has not been verified by a taxonomic editorNitzschia debilis (Arnott) Grunow, 1880 accepted as Unreviewed: has not been verified by a taxonomic editorTryblionella debilis Arnott ex O'Meara, 1873
Species Unreviewed: has not been verified by a taxonomic editorNitzschia delicatissima Cleve, 1897 accepted as Checked: verified by a taxonomic editorPseudo-nitzschia delicatissima (Cleve) Heiden, 1928
Species Unreviewed: has not been verified by a taxonomic editorNitzschia delicatula Hasle, 1965 accepted as Checked: verified by a taxonomic editorPseudo-nitzschia pseudodelicatissima (Hasle) Hasle, 1993
Species Unreviewed: has not been verified by a taxonomic editorNitzschia denticula Grunow, 1880 accepted as Unreviewed: has not been verified by a taxonomic editorDenticula kuetzingii Grunow, 1862
Species Unreviewed: has not been verified by a taxonomic editorNitzschia diducta Hustedt, 1938 accepted as Unreviewed: has not been verified by a taxonomic editorNitzschia umbonata (Ehrenberg) Lange-Bertalot, 1978
Species Unreviewed: has not been verified by a taxonomic editorNitzschia elongata Hassal, 1845 accepted as Unreviewed: has not been verified by a taxonomic editorNitzschia sigmoidea (Nitzsch) W.Smith, 1853
Species Unreviewed: has not been verified by a taxonomic editorNitzschia epithemiformis Lange-Bertalot, 1980 accepted as Unreviewed: has not been verified by a taxonomic editorNitzschia epithemoides Grunow, 1880
Species Unreviewed: has not been verified by a taxonomic editorNitzschia epithemioides Grunow, 1881 accepted as Unreviewed: has not been verified by a taxonomic editorNitzschia epithemoides Grunow, 1880
Species Unreviewed: has not been verified by a taxonomic editorNitzschia famelica (Kützing) Rabenhorst, 1863 accepted as Unreviewed: has not been verified by a taxonomic editorFragilaria famelica (Kützing) Lange-Bertalot, 1980
Species Unreviewed: has not been verified by a taxonomic editorNitzschia fossalis Hustedt, 1942 accepted as Unreviewed: has not been verified by a taxonomic editorNitzschia umbonata (Ehrenberg) Lange-Bertalot, 1978
Species Unreviewed: has not been verified by a taxonomic editorNitzschia fraudulenta Cleve, 1897 accepted as Checked: verified by a taxonomic editorPseudo-nitzschia fraudulenta (Cleve) Hasle, 1993
Species Unreviewed: has not been verified by a taxonomic editorNitzschia frauenfeldii Grunow, 1862 accepted as Unreviewed: has not been verified by a taxonomic editorNitzschia amphibia f. frauenfeldii (Grunow) Lange-Bertalot, 1987
Species Unreviewed: has not been verified by a taxonomic editorNitzschia goetzeana Otto Müller accepted as Unreviewed: has not been verified by a taxonomic editorAulacoseira goetzeana (Otto Müller) Simonsen, 1979
Species Unreviewed: has not been verified by a taxonomic editorNitzschia graeffii Grunow ex Cleve, 1878 accepted as Unreviewed: has not been verified by a taxonomic editorIn quarantine: not visible on public site
Species Unreviewed: has not been verified by a taxonomic editorNitzschia granii G.R.Hasle, 1964 accepted as Checked: verified by a taxonomic editorPseudo-nitzschia granii (G.R.Hasle) G.R.Hasle, 1974
Species Unreviewed: has not been verified by a taxonomic editorNitzschia granulata Grunow, 1880 accepted as Unreviewed: has not been verified by a taxonomic editorTryblionella granulata (Grunow) D.G.Mann, 1990
Species Unreviewed: has not been verified by a taxonomic editorNitzschia grunowii Hasle, 1972 accepted as Unreviewed: has not been verified by a taxonomic editorFragilariopsis oceanica (Cleve) Hasle, 1965
Species Unreviewed: has not been verified by a taxonomic editorNitzschia halteriformis Hustedt, 1952 accepted as Unreviewed: has not been verified by a taxonomic editorIn quarantine: not visible on public site
Species Unreviewed: has not been verified by a taxonomic editorNitzschia heimii (Manguin) Hasle, 1965 accepted as Unreviewed: has not been verified by a taxonomic editorPseudo-nitzschia heimii Manguin, 1957
Species Unreviewed: has not been verified by a taxonomic editorNitzschia hiemalis Hustedt, 1943 accepted as Unreviewed: has not been verified by a taxonomic editorNitzschia perminuta (Grunow) M.Peragallo, 1903
Species Unreviewed: has not been verified by a taxonomic editorNitzschia hungarica Grunow, 1862 accepted as Unreviewed: has not been verified by a taxonomic editorTryblionella hungarica (Grunow) Frenguelli, 1942
Species Unreviewed: has not been verified by a taxonomic editorNitzschia ignorata Krasske, 1929 accepted as Unreviewed: has not been verified by a taxonomic editorNitzschia nana Grunow, 1881
Species Unreviewed: has not been verified by a taxonomic editorNitzschia inflatula G.R.Hasle, 1974 accepted as Unreviewed: has not been verified by a taxonomic editorPseudo-nitzschia inflatula (G.R.Hasle) G.R.Hasle, 1993
Species Unreviewed: has not been verified by a taxonomic editorNitzschia interrupta (Reichelt) Hustedt, 1927 accepted as Unreviewed: has not been verified by a taxonomic editorGrunowia solgensis (Cleve-Euler) M.Aboal, 2003
Species Unreviewed: has not been verified by a taxonomic editorNitzschia jelineckii Grunow, 1863 accepted as Unreviewed: has not been verified by a taxonomic editorIn quarantine: not visible on public site
Species Unreviewed: has not been verified by a taxonomic editorNitzschia kerguelensis (O'Meara) Hasle, 1965 accepted as Unreviewed: has not been verified by a taxonomic editorFragilariopsis kerguelensis (O'Meara) Hustedt, 1952
Species Unreviewed: has not been verified by a taxonomic editorNitzschia kützingiana Hilse, 1863 accepted as Unreviewed: has not been verified by a taxonomic editorNitzschia pusilla Grunow, 1862
Species Unreviewed: has not been verified by a taxonomic editorNitzschia laevis Hustedt, 1939 accepted as Unreviewed: has not been verified by a taxonomic editorNitzschia amabilis Suzuki, 2010
Species Unreviewed: has not been verified by a taxonomic editorNitzschia latestriata (Brébisson ex Kützing) Ralfs, 1861 accepted as Unreviewed: has not been verified by a taxonomic editorScoliotropis latestriata (Brébisson ex Kützing) Cleve, 1894
Species Unreviewed: has not been verified by a taxonomic editorNitzschia levidensis (W.Smith) Grunow, 1881 accepted as Unreviewed: has not been verified by a taxonomic editorTryblionella levidensis W.Smith, 1856
Species Unreviewed: has not been verified by a taxonomic editorNitzschia lineata (Castracane) Hasle, 1972 accepted as Unreviewed: has not been verified by a taxonomic editorFragilariopsis linearis (Castracane) Frenguelli, 1943
Species Unreviewed: has not been verified by a taxonomic editorNitzschia lineola Cleve, 1897 accepted as Unreviewed: has not been verified by a taxonomic editorPseudo-nitzschia lineola (Cleve) Hasle, 1965
Species Unreviewed: has not been verified by a taxonomic editorNitzschia littoralis Grunow, 1880 accepted as Unreviewed: has not been verified by a taxonomic editorTryblionella littoralis (Grunow) D.G.Mann, 1990
Species Unreviewed: has not been verified by a taxonomic editorNitzschia longa Grunow accepted as Unreviewed: has not been verified by a taxonomic editorBacillaria longa (Grunow) De Toni, 1892
Species Unreviewed: has not been verified by a taxonomic editorNitzschia marginulata Grunow, 1880 accepted as Unreviewed: has not been verified by a taxonomic editorTryblionella marginulata (Grunow) D.G.Mann, 1990
Species Unreviewed: has not been verified by a taxonomic editorNitzschia media Hantzsch, 1860 accepted as Unreviewed: has not been verified by a taxonomic editorNitzschia dissipata var. media (Hantzsch) Grunow, 1881
Species Unreviewed: has not been verified by a taxonomic editorNitzschia moissacensis (Héribaud-Joseph) Comber, 1901 accepted as Unreviewed: has not been verified by a taxonomic editorGrunowia solgensis (Cleve-Euler) M.Aboal, 2003
Species Unreviewed: has not been verified by a taxonomic editorNitzschia mollis Hustedt, 1952 accepted as Unreviewed: has not been verified by a taxonomic editorPsammodictyon molle (Hustedt) D.G.Mann, 1990
Species Unreviewed: has not been verified by a taxonomic editorNitzschia multistriata Takano, 1993 accepted as Checked: verified by a taxonomic editorPseudo-nitzschia multistriata (Takano) Takano, 1995
Species Unreviewed: has not been verified by a taxonomic editorNitzschia navicularis (Brébisson) Grunow, 1880 accepted as Unreviewed: has not been verified by a taxonomic editorTryblionella navicularis (Brébisson) Ralfs, 1861
Species Unreviewed: has not been verified by a taxonomic editorNitzschia paaschei Hasle, 1965 accepted as Unreviewed: has not been verified by a taxonomic editorFragilariopsis atlantica Paasche, 1961
Species Unreviewed: has not been verified by a taxonomic editorNitzschia panduriformis W.Gregory, 1857 accepted as Unreviewed: has not been verified by a taxonomic editorPsammodictyon panduriforme (W.Gregory) D.G.Mann, 1990
Species Unreviewed: has not been verified by a taxonomic editorNitzschia paradoxa (J.F.Gmelin) Grunow, 1880 accepted as Unreviewed: has not been verified by a taxonomic editorBacillaria paxillifera (O.F.Müller) T.Marsson, 1901
Species Unreviewed: has not been verified by a taxonomic editorNitzschia parvula Lewis, 1862 accepted as Unreviewed: has not been verified by a taxonomic editorNitzschia brevissima Grunow, 1880
Species Unreviewed: has not been verified by a taxonomic editorNitzschia paxillifer (O.F.Müller) Heiberg, 1863 accepted as Unreviewed: has not been verified by a taxonomic editorBacillaria paxillifera (O.F.Müller) T.Marsson, 1901
Species Unreviewed: has not been verified by a taxonomic editorNitzschia perpusilla Rabenhorst, (1861)1864 accepted as Unreviewed: has not been verified by a taxonomic editorNitzschia frustulum var. perpusilla (Rabenhorst) Van Heurck, 1885
Species Unreviewed: has not been verified by a taxonomic editorNitzschia persuadens Cholnoky, 1961 accepted as Unreviewed: has not been verified by a taxonomic editorTryblionella persuadens (Cholnoki) K.P.Cavalcante, P.I.Tremarin & T.A.V.Ludwig, 2013
Species Unreviewed: has not been verified by a taxonomic editorNitzschia plicatula Hustedt, 1953 accepted as Unreviewed: has not been verified by a taxonomic editorTryblionella plicatula (Hustedt) D.G.Mann, 1990
Species Unreviewed: has not been verified by a taxonomic editorNitzschia prolongata Manguin, 1957 accepted as Unreviewed: has not been verified by a taxonomic editorPseudo-nitzschia prolongatoides (G.R.Hasle) G.R.Hasle, 1993
Species Unreviewed: has not been verified by a taxonomic editorNitzschia prolongatoides G.R.Hasle, 1965 accepted as Unreviewed: has not been verified by a taxonomic editorPseudo-nitzschia prolongatoides (G.R.Hasle) G.R.Hasle, 1993
Species Unreviewed: has not been verified by a taxonomic editorNitzschia pseudoamphyoxys Hustedt accepted as Unreviewed: has not been verified by a taxonomic editorNitzschia commutata Grunow, 1880
Species Unreviewed: has not been verified by a taxonomic editorNitzschia pseudodelicatissima Hasle, 1976 accepted as Checked: verified by a taxonomic editorPseudo-nitzschia pseudodelicatissima (Hasle) Hasle, 1993
Species Unreviewed: has not been verified by a taxonomic editorNitzschia pseudonana Hasle, 1974 accepted as Unreviewed: has not been verified by a taxonomic editorFragilariopsis pseudonana (Hasle) Hasle, 1993
Species Unreviewed: has not been verified by a taxonomic editorNitzschia pseudoseriata G.R.Hasle, 1965 accepted as Checked: verified by a taxonomic editorPseudo-nitzschia australis Frenguelli, 1939
Species Unreviewed: has not been verified by a taxonomic editorNitzschia punctata (W.Smith) Grunow, 1878 accepted as Unreviewed: has not been verified by a taxonomic editorTryblionella punctata W.Smith, 1853
Species Unreviewed: has not been verified by a taxonomic editorNitzschia punctata (W.Smith) Grunow, 1880 accepted as Unreviewed: has not been verified by a taxonomic editorTryblionella punctata W.Smith, 1853
Species Unreviewed: has not been verified by a taxonomic editorNitzschia pungens Grunow ex Cleve, 1897 accepted as Checked: verified by a taxonomic editorPseudo-nitzschia pungens (Grunow ex Cleve) G.R.Hasle, 1993
Species Unreviewed: has not been verified by a taxonomic editorNitzschia pungiformis G.R.Hasle, 1971 accepted as Unreviewed: has not been verified by a taxonomic editorPseudo-nitzschia pungiformis (G.R.Hasle) G.R.Hasle, 1993
Species Unreviewed: has not been verified by a taxonomic editorNitzschia reversa W.Smith accepted as Unreviewed: has not been verified by a taxonomic editorNitzschia lorenziana var. incerta Grunow in Cleve & Grunow, 1880
Species Unreviewed: has not been verified by a taxonomic editorNitzschia ritscheri (Hustedt) Hasle, 1972 accepted as Unreviewed: has not been verified by a taxonomic editorFragilariopsis ritscheri Hustedt, 1958
Species Unreviewed: has not been verified by a taxonomic editorNitzschia rorida M.H.Giffen, 1975 accepted as Unreviewed: has not been verified by a taxonomic editorPsammodictyon roridum (M.H.Giffen) D.G.Mann, 1990
Species Unreviewed: has not been verified by a taxonomic editorNitzschia ruda Cholnoky, 1968 accepted as Unreviewed: has not been verified by a taxonomic editorPsammodictyon rudum (Cholnoky) D.G.Mann, 1990
Species Unreviewed: has not been verified by a taxonomic editorNitzschia scalaris (Ehrenberg) W.Smith, 1853 accepted as Unreviewed: has not been verified by a taxonomic editorTryblionella scalaris (Ehrenberg) P.Siver & P.B.Hamilton, 2005
Species Unreviewed: has not been verified by a taxonomic editorNitzschia schoenfeldii (Hustedt) F.W.Mills, 1934 accepted as Unreviewed: has not been verified by a taxonomic editorGeissleria schoenfeldii (Hustedt) Lange-Bertalot & Metzeltin, 1996
Species Unreviewed: has not been verified by a taxonomic editorNitzschia separanda (Hustedt) Hasle, 1972 accepted as Unreviewed: has not been verified by a taxonomic editorFragilariopsis separanda Hustedt, 1958
Species Unreviewed: has not been verified by a taxonomic editorNitzschia seratia Cleve accepted as Unreviewed: has not been verified by a taxonomic editorNitzschia seriata Cleve, 1883
Species Unreviewed: has not been verified by a taxonomic editorNitzschia seriata Cleve, 1883 accepted as Checked: verified by a taxonomic editorPseudo-nitzschia seriata (Cleve) H.Peragallo, 1899
Species Unreviewed: has not been verified by a taxonomic editorNitzschia sibula M.H.Giffen, 1973 accepted as Unreviewed: has not been verified by a taxonomic editorTryblionella sibula (M.H.Giffen) D.G.Mann, 1990
Species Unreviewed: has not been verified by a taxonomic editorNitzschia sigmatella Gregory, 1854 accepted as Unreviewed: has not been verified by a taxonomic editorStenopterobia sigmatella (Gregory) R. Ross in Hartley, 1986
Species Unreviewed: has not been verified by a taxonomic editorNitzschia sinuata (Thwaites) Grunow, 1880 accepted as Unreviewed: has not been verified by a taxonomic editorGrunowia sinuata (Thwaites) Rabenhorst, 1864
Species Unreviewed: has not been verified by a taxonomic editorNitzschia solgensis Cleve-Euler, 1952 accepted as Unreviewed: has not been verified by a taxonomic editorGrunowia solgensis (Cleve-Euler) M.Aboal, 2003
Species Unreviewed: has not been verified by a taxonomic editorNitzschia stagnorum Rabenhorst, 1860 accepted as Unreviewed: has not been verified by a taxonomic editorNitzschia umbonata (Ehrenberg) Lange-Bertalot, 1978
Species Unreviewed: has not been verified by a taxonomic editorNitzschia subcurvata G.R.Hasle, 1964 accepted as Unreviewed: has not been verified by a taxonomic editorPseudo-nitzschia subcurvata (G.R.Hasle) G.A.Fryxell, 1993
Species Unreviewed: has not been verified by a taxonomic editorNitzschia subfraudulenta G.R.Hasle, 1974 accepted as Checked: verified by a taxonomic editorPseudo-nitzschia subfraudulenta (G.R.Hasle) G.R.Hasle, 1993
Species Unreviewed: has not been verified by a taxonomic editorNitzschia subpacifica Hasle, 1965 accepted as Checked: verified by a taxonomic editorPseudo-nitzschia subpacifica (Hasle) Hasle, 1993
Species Unreviewed: has not been verified by a taxonomic editorNitzschia subtilis (Kützing) Grunow, 1880 accepted as Unreviewed: has not been verified by a taxonomic editorNitzschia linearis var. subtilis (Grunow) Hustedt, 1923
Species Unreviewed: has not been verified by a taxonomic editorNitzschia subvitrea Hustedt accepted as Unreviewed: has not been verified by a taxonomic editorNitzschia vitrea var. subvitrea (Hustedt) E.J.F.Wood, 1961
Species Unreviewed: has not been verified by a taxonomic editorNitzschia tabellaria (Grunow) Grunow, 1880 accepted as Unreviewed: has not been verified by a taxonomic editorGrunowia tabellaria (Grunow) Rabenhorst, 1864
Species Unreviewed: has not been verified by a taxonomic editorNitzschia taenia W.Smith, 1853 accepted as Unreviewed: has not been verified by a taxonomic editorCylindrotheca gracilis (Brébisson ex Kützing) Grunow, 1882
Species Unreviewed: has not been verified by a taxonomic editorNitzschia tenuis W.Smith, 1853 accepted as Unreviewed: has not been verified by a taxonomic editorNitzschia linearis var. tenuis (W.Smith) Grunow, 1880
Species Unreviewed: has not been verified by a taxonomic editorNitzschia terricola Lund, 1946 accepted as Unreviewed: has not been verified by a taxonomic editorNitzschia harderi Hustedt, 1948
Species Unreviewed: has not been verified by a taxonomic editorNitzschia tumida Hantzsch, 1861 accepted as Unreviewed: has not been verified by a taxonomic editorGrunowia sinuata (Thwaites) Rabenhorst, 1864
Species Unreviewed: has not been verified by a taxonomic editorNitzschia turgidula Hustedt, 1958 accepted as Checked: verified by a taxonomic editorPseudo-nitzschia turgidula (Hustedt) G.R.Hasle, 1993
Species Unreviewed: has not been verified by a taxonomic editorNitzschia turgiduloides G.R.Hasle, 1965 accepted as Unreviewed: has not been verified by a taxonomic editorPseudo-nitzschia turgiduloides (G.R.Hasle) G.R.Hasle, 1996
Species Unreviewed: has not been verified by a taxonomic editorNitzschia vanheurckii (Peragallo) Hasle, 1972 accepted as Unreviewed: has not been verified by a taxonomic editorFragilariopsis vanheurckii (Peragallo) Hustedt, 1958
Species Unreviewed: has not been verified by a taxonomic editorNitzschia victoriae (Grunow) Cleve, 1898 accepted as Unreviewed: has not been verified by a taxonomic editorTryblionella victoriae Grunow, 1862
Species Unreviewed: has not been verified by a taxonomic editorNitzschia virgata Roper, 1858 accepted as Unreviewed: has not been verified by a taxonomic editorHantzschia virgata (Roper) Grunow, 1880
Species Unreviewed: has not been verified by a taxonomic editorNitzschia visurgis Hustedt, 1957 accepted as Unreviewed: has not been verified by a taxonomic editorTryblionella visurgis (Hustedt) D.G.Mann, 1990

Species Unreviewed: has not been verified by a taxonomic editorNitzschia abbreviata Hustedt in Schmidt et al., 1924 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia abendens Grunow (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia abludens Grunow, 1878 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia abonuensis Foged, 1966 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia abraensis Foged, 1966 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia abridia Camburn in Camburn, Lowe & Stoneburner, 1978 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia accommodata Hustedt, 1949 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia acicularis Frenguelli, 1923 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia aclita Cleve, 1879 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia acus (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia acutiuscula (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia adakensis Hein, 1990 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia adamatoides K. Krammer & H. Lange-Bertalot, 1997 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia adapta Hustedt, 1949 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia adductoides Archibald, 1982 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia adeliae Frenguelli, 1960 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia adeliana Manguin, 1960 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia adiembraensis Foged, 1966 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia admissoides Cholnoky, 1968 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia adriatica (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia aequalis Hustedt, 1949 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia aerophiloides H.P. Gandhi, 1998 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia aestatis Giffen, 1973 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia aestuarii (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia affinis Manguin in Bourrelly & Manguin, 1952 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia africana Grunow in Cleve & Möller, 1879 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia africana Leuduger-Fortmorel, 1898 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia agapica Skabichevskaya, 1984 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia agnewii Cholnoky, 1962 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia aketechiensis Foged, 1966 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia alandica Tynni, 1980 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia alaskana Patrick & Freese, 1961 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia alata Leuduger-Fortmorel, 1892 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia alexandrina (Cholnoky) Lange-Bertalot & Simonsen, 1978 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia allansonii Cholnoky, 1958 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia alpha Heinzerling, 1908 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia alpinobacillum Lange-Bertalot, 1993 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia amisaensis Foged, 1966 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia amoena Hustedt in Schmidt et al., 1924 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia amoyensis Skvortzow, 1929 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia amphicephala Grunow in Cleve & Grunow, 1880 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia amphioxoides Hustedt, 1959 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia amphiprora Grunow in Cleve & Grunow, 1880 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia amphiuris Roll, 1937 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia amphoroides (Grunow in Cleve & Grunow) Cleve, 1882 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia amundoni Aleem, 1973 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia anassae Cholnoky, 1957 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia anderabensis Foged, 1959 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia andesitica Pantocsek, 1889 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia andicola H. Lange-Bertalot & Rumrich, 2000 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia anguillula Schumann, 1867 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia angusta (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia angustata sensu Fontell, 1917 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia angustecarinata Hustedt, 1956 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia angustiprotracta Mikhailov, 1984 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia angustissima Hustedt in Schmidt et al., 1924 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia aniae Lange-Bertalot, 1993 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia ankobraensis Foged, 1966 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia anomala Proschkina-Lavrenko, 1963 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia antediluviana (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia antillarum (Cleve & Grunow in Cleve) Meister, 1937 accepted as Unreviewed: has not been verified by a taxonomic editorIn quarantine: not visible on public site (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia antiqua Pantocsek, 1886 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia apowaensis Foged, 1966 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia apropongensis Foged, 1966 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia aquaea (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia arctica (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia arcuata Gregory in Greville, 1859 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia arcuatosigmoidea (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia arcula Gersonde, 1991 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia arculus Suringar, 1867 (1868) (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia arculus Suringar, 1867 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia arcus Bulnheim, 1859 accepted as Unreviewed: has not been verified by a taxonomic editorNitzschia obtusa W.Smith, 1853 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia aremonica Archibald, 1983 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia arenaria Brebisson ex W. Smith Collection (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia armoricana Peragallo & Peragallo, 1900 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia articuliformis Skvortzov, 1975 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia asiatica Tempère & Brun in Brun & Tempère, 1889 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia asterionelloides Otto Müller, 1905 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia astridi Aleem, 1973 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia asymbasia Hohn, 1961 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia atlantica (Cleve) F.W. Mills, 1934 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia atlantica (Paasche) Hasle, 1972 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia atlantica (Cleve) Cleve, 1901 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia attenuata Mikhailov, 1984 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia attenuata Østrup, 1913 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia aurantiaca Schoeman, 1973 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia aurariae Cholnoky, 1965 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia aurica Gersonde, 1991 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia auricula R. Gersonde in Harwood & Maruyama, 1992 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia baculumata Kufferath, 1956 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia baikalensis Skvortzow, 1937 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia balcanica Hustedt, 1945 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia baltica (Juhlin-Dannfelt) M. Peragallo, 1903 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia bansoensis Foged, 1966 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia barca Hohn & Hellerman, 1966 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia barronii Gersonde, 1991 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia barrowiana Patrick & Freese, 1961 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia beagleana Patrick, 1970 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia bella Sovereign, 1963 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia biakensis Cholnoky, 1963 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia biceps (Schumann) M. Peragallo, 1903 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia biconicacuta Kufferath, 1957 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia bicostata Hyyppa, 1932 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia bicrena Hohn & Hellerman, 1963 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia bicuspidata Pantocsek, 1889 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia bilineata Grunow in Cleve & Möller, 1878 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia biloba Meyer, 1938 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia biplacata (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia bituminosa (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia bleischii Janisch in Rabenhorst, 1864 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia bleischii Janisch in Bleisch, 1863 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia boettcheriana (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia borgei Skvortzow, 1971 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia bosumtwiensis Foged, 1966 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia brebissoni (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia brevior (Manguin ex Kociolek & Reviers) Gerd Moser (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia brevirostris Hustedt, 1955 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia brevistriata Grunow in Cleve & Grunow, 1880 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia brittonii Hagelstein, 1939 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia brunoi Lange-Bertalot in Lange-Bertalot & Metzeltin, 1996 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia buceros Cholnoky, 1968 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia bukensis H. Peragallo in Peragallo & Peragallo, 1911 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia bulnheimiana (Rabenhorst) H.L. Smith, 1874-1879 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia burcklia Schrader, 1974 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia cacumina Giffen, 1973 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia calamae Frenguelli, 1936 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia caledonensis Schoeman, 1973 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia calica (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia californica Schrader, 1973 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia calva Andrews, 1970 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia caparti Kufferath, 1948 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia capensis Cholnoky, 1959 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia capitallata (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia capitata Østrup, 1913 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia capitata Fritsch & Rich, 1929 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia capitellata sensu Cleve-Euler, 1934 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia capitularis Cholnoky, 1961 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia carinaacuta Mikhailov, 1985 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia carnicobarica Desikachary & Prema, 1987 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia castracanei Hasle, 1974 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia centralis Khabakov, 1945 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia chabaudii Manguin, 1954 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia challengeri Schrader, 1973 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia chandolensis H.P. Gandhi, 1998 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia chasmaensis Foged, 1959 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia chilensis Hustedt, 1927 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia chinensis Skvortzow, 1932 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia chuchiligaensis Foged, 1966 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia chungara Rumrich & H. Lange-Bertalot in U. Rumrich, H. Lange-Bertlot & M. Rumruch, 2000 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia chuniana Manguin, 1964 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia chutteri Archibald, 1966 accepted as Unreviewed: has not been verified by a taxonomic editorTryblionella chutteri (R.E.M.Archibald) D.G.Mann, 1990 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia claasseniae Cholnoky, 1958 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia clandestina Manguin, 1964 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia clausiiformis Gandhi, 1961 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia claviceps Schrader, 1976 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia clavofixa König, 1959 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia clementei A.M. Gombos, Jr., 1976 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia clementia Gombos, 1976 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia clevei (Grunow in Cleve & Grunow) Peragallo & Peragallo, 1900 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia closterium Eulenstein, 1868 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia closteroides Hasle, 1956 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia columbiana Sovereign, 1958 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia communata Grunow, 1880 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia composita Giffen, 1971 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia concinna Grunow, 1880-1885 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia concordia Fryxell & Kaczmarska, 1994 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia condemnata Cholnoky, 1968 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia conferta (Richter) M. Peragallo, 1903 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia congolensis Hustedt, 1949 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia consimilis (Grunow) M. Peragallo, 1903 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia consummata Hustedt, 1949 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia contorta Mereschkowsky, 1901 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia copiastriata Hohn & Hellerman, 1966 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia costata Meister, 1937 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia costata Pantocsek, 1892 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia coudertii Héribaud in Héribaud et al., 1920 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia coutei Maillard, 1978 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia crassa (Pantocsek) F.W. Mills, 1934 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia crassepunctata Archibald, 1966 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia cryptocephala Roll, 1937 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia cryptostriata Hohn & Hellerman, 1966 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia csaszkaae (Pantocsek) (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia cuba (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia cucumis Konig, 1959 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia cuneata Suringar, 1870 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia cuneata Suringar, 1867 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia curiosa Proschkina-Lavrenko, 1963 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia cursoria (Donkin) Grunow in Cleve & Grunow, 1880 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia curvatula Marchesoni, 1946 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia curvipunctata Cholnoky, 1963 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia curvirectangularis Kufferath, 1956 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia curvula (Kützing) Ralfs in Pritchard, 1861 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia curvulum Gaud, 1974 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia custodis Cholnoky, 1960 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia cylindrica Burckle, 1972 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia cylindroformis Hasle in Hasle & Booth, 1984 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia dadwinensis Foged, 1966 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia dakariense Guermeur, 1954 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia damasi Hustedt, 1949 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia dealpina Lange-Bertalot & Hofmann in Lange-Bertalot, 1993 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia debilis Pantocsek, 1902 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia decora Kitton, 1873 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia definita Grove & Sturt, 1887 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia delauneyi Manguin in Bourrelly & Manguin, 1952 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia delicatisima H. Kobayasi in Kobayasi et al., 1977 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia delicatula Skvortzow, 1946 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia demota Archibald, 1971 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia densuensis Foged, 1966 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia denticulata Skvortzow, 1935 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia denticulata Hirn, 1900 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia denticuloides Schrader, 1976 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia dianae (Ehrenberg) Ralfs in Pritchard, 1861 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia diaphana Cleve, 1896 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia didyma Liu & Chin, 1980 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia dilatata H. Peragallo in Tempère & Peragallo, 1889-1895 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia diluta Archibald, 1966 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia diluvialis Cleve, 1883 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia diluviana Cleve in Cleve & Jentzsch, 1882 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia dippelii Grunow, 1882 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia diserta Hustedt, 1949 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia dissipata Lange-Bertalot in Lange-Bertalot & Metzeltin, 1996 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia dissipatoides Archibald, 1982 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia distans sensu Brockmann, 1950 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia distantoides Hustedt, 1958 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia divaricata Meunier, 1910 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia diversecostata Brun, 1894 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia doljensis Pantocsek, 1886 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia donahuei Desikachary & Gowthaman in Desikachary, Gowthaman & Latha, 1987 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia donahuensis Schrader, 1976 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia droebakensis Hasle, 1964 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia dubioides Hustedt, 1955 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia dubravicensis (Grunow) F.W. Mills, 1934 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia eburnea Zanon, 1941 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia efferans Schrader, 1976 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia ehrenbergii Ralfs in Pritchard, 1861 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia ehrenbergii Schumann, 1862 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia elegans Hustedt, 1956 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia entomon (Ehrenberg) Ralfs in Pritchard, 1861 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia eppressa Carter, 1966 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia epsilon Kitton ex De Toni, 1892 accepted as Unreviewed: has not been verified by a taxonomic editorRutilaria epsilon Greville, 1863 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia erlandssonii Cholnoky, 1954 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia erosa Giffen, 1967 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia etchegoinia Hanna & Grant, 1929 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia etoshensis Cholnoky, 1966 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia evenescens Schrader, 1976 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia examinanda Cholnoky, 1960 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia exilis Sovereign, 1958 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia exilis Archibald, 1966 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia eximia Grunow in Cleve & Grunow, 1880 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia extincta Kozyrenko & Sheshukova-Poretskaya, 1967 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia falcata Otto Müller, 1905 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia febigeri Grunow, 1880 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia febigerii Grunow in Cleve & Grunow, 1880 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia fenestrata Mereschkowsky, 1902-1903 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia ferrazae Cholnoky, 1968 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia filia Skvortzov, 1976 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia filiformis Hajós, 1959 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia firthii Fuge, 1937 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia flexella Suringar, 1867 (1868) (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia flexella Brébisson ex Chase in Habirshaw, 1885 (1877-1894) (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia flexella Suringar, 1867 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia fluvialis Patrick & Freese, 1961 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia fogedi M. Möller, 1950 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia fonticoloides Sovereign, 1960 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia forfica Cholnoky, 1968 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia formica Hantzsch in Rabenhorst, 1863 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia formosa Østrup, 1895 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia fragilarioides Grunow in Cleve & Grunow, 1880 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia fremontensis Lohman & Andrews, 1968 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia frickei Reichelt ex Hustedt in Schmidt et al., 1922 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia fruticosa Hustedt, 1957 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia fundi Cholnoky, 1968 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia fusidium H.L. Smith, 1874-1879 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia fusiformis Grunow in Cleve & Grunow, 1880 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia fusoides Ehrlich, 1975 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia fussiformis Pantocsek, 1902 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia fussioides Pantocsek, 1913 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia fusulata Kufferath, 1956 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia gaarderi Hasle, 1960 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia gaertneriae Lange-Bertalot & Metzeltin, 1996 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia gallica (Brun in Héribaud) Pantocsek, 1902 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia garrensis Hustedt, 1950 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia gastroides Swirenko, 1941 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia geitleri Hustedt, 1959 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia geniculata Hustedt, 1928 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia gentilis (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia germanica (Richter) M. Peragallo, 1903 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia ghanaensis Foged, 1966 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia gibba Rauschenbach, 1921 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia gieskesii Cholnoky, 1963 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia gigantea (Ehrenberg) Ralfs in Pritchard, 1861 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia glaberrima Østrup, 1918 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia glabra Østrup, 1913 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia glandiformis Hustedt in Schmidt et al., 1924 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia goteborgensis Aleem, 1973 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia gracilenta (Grunow ex Juhlin-Dannfelt) (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia gracilenta Grunow in Brébisson, 1870 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia gracilis (Brébisson in Kützing) (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia gracilis Brébisson ex H.L. Smith, 1874-1879 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia gracillima Heiden & Kolbe, 1928 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia gracilloides Hustedt, 1953 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia graciloides Gandhi, 1970 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia graciloides Hustedt, 1959 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia gradifera Hustedt, 1922 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia granulosa Leuduger-Fortmorel, 1879 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia grigoriewi Mereschkowsky, 1906 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia grigoriewi Mereschkowsky, 1906 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia groenlandica Østrup, 1897 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia grossepunctata Schrader, 1976 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia grossestriata Hustedt, 1955 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia groveana (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia grovei Grunow, 1888 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia grovei De Toni & Levi-Morenos, 1889 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia guineensis Hustedt in Schmidt et al., 1922 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia guttula Schrader in Schrader & Fenner, 1976 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia hachiroensis H. Kobayasi in Kobayasi et al., 1977 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia halloyii Maidana & Herbst, 1989 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia hamata (W. Smith) De Toni, 1892 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia hankensis Skvortzow, 1929 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia hantzschiaeformis (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia harrisonii Cholnoky, 1960 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia haslea Schoeman in Schoeman & Meaton, 1982 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia hassiaca Krasske, 1932 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia hastata Skvortzow, 1971 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia heideni (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia heteropolica Schrader, 1973 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia hevesensis Pantocsek, 1889 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia hexagonata (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia hiengheneana Manguin ex Kociolek & Reviers, 1996 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia homoeocladia Heiberg, 1863 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia hondoensis Hanna & Grant, 1926 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia hongkongensis Skvortzov, 1975 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia hudsonii Poulin & Cardinal, 1983 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia hulensis Sherman & Patrick, 1981 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia hummii Hustedt, 1955 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia huniensis Foged, 1966 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia hustedti Debes ex Hustedt in Schmidt et al., 1924 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia hustedtiana Cholnoky, 1959 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia hustedtiana Hustedt, 1959 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia hustedtii Sheshukova in Proschkina-Lavrenko, 1950 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia hustedtii Sheshukova in Poretzky & Sheshukova, 1953 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia hyalina Jurilj, 1957 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia hyalina (Grunow in Van Heurck; Grunow) F.W. Mills, 1934 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia hybridaeformis Hustedt, 1955 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia hyperborea (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia ignimontana Brun & Héribaud in Héribaud, 1893 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia ikeanae Fryxell & Lee in Lee & Fryxell, 1996 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia immunda Archibald, 1966 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia imperforata Andrews, 1980 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia incolor Mereschkowsky, 1902 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia incomptus Hohn & Hellerman, 1963 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia indica Schrader, 1974 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia indica Karsten, 1907 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia inflata Kufferath, 1957 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia inimasta Carter & Denny, 1982 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia innominata Sovereign, 1958 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia insecta Hustedt, 1942 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia intercedens Grunow, 1878 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia interfrigidaria McCollum, 1975 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia interfrigidaria McColloum emend Ciesielski, 1983 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia intermediopsis Simonsen, 1987 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia intermissa Hustedt, 1949 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia interrupta (Grunow in Cleve) Meister, 1932 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia interrupta Heiden & Kolbe, 1928 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia inversa Grunow in Cleve & Möller, 1879 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia invisa Schrader, 1973 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia invisitata Hustedt, 1942 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia irremissa Cholnoky, 1959 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia irrepta Hustedt, 1942 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia irresoluta Hustedt, 1942 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia irritans Cholnoky, 1961 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia islandica Østrup, 1918 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia italica (Rabenhorst) Ralfs in Pritchard, 1861 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia iugiformis Hustedt, 1922 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia jalgaonensis Sarode & Kamat, 1984 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia jamiesoni Barber & Carter, 1972 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia janei Salah, 1955 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia janischii Grunow, 1880 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia januaria Schrader, 1976 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia japonica Skvortzow, 1932 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia japonica Meister, 1937 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia javanica Grunow in Cleve & Möller, 1878 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia jelineckiana Grunow, 1867 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia jeniseyensis Skvortzow, 1971 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia johnmartinii Fryxell & Kaczmarska, 1994 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia jonssoni Østrup, 1918 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia jouseae Burckle, 1972 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia jouseana Skvortzow, 1971 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia jucunda Hustedt, 1945 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia jugata (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia jugiformis Hustedt, 1922 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia kahlii H. Lange-Bertalot & Rumrich in U. Rumrich, H. Lange-Bertalot & M. Rumrich, 2000 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia kaikonkiensis Woodhead & Tweed, 1960 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia kanayae T.V. Desikachary & S. Gowthaman in T.V. Desikachary, 1989 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia kanayai Desikachary & Gowthaman in Desikachary, 1989 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia kanayensis Schrader, 1974 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia kapimbiense Kufferath, 1956 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia karrooensis Cholnoky, 1959 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia kenaiensis Stone in McLaughlin & Stone, 1986 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia kimberliensis M. Potapova in Potapova, M. & Charles, D.F., 2004 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia kisselewii Skvortzow, 1971 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia kittoni H.L. Smith, 1878 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia kittonii H.L. Smith, 1878 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia knysnensis Cholnoky, 1963 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia koehleri Lauby, 1910 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia kolaczekii Grunow, 1867 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia kolaizeckii Grunow, 1877 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia kotschii (Grunow) F.W. Mills, 1934 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia krachiensis Foged, 1966 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia krenicola Cholnoky, 1963 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia kryophila Cleve, 1883 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia kryophila Cleve in Cleve & Moller, 1882 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia krysnensis Cholnoky, 1963 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia kufferathii Woodhead & Tweed, 1960 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia kurzii Rabenhorst in Grunow, 1880 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia labuensis Cleve, 1883 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia lacessens Cholnoky, 1968 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia lacrima Gersonde, 1991 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia lacuna Patrick & Freese, 1961 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia lacunensis Cholnoky, 1968 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia lacunicola Patrick & Freese, 1961 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia lacuskarluki Manguin, 1960 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia lacus-karluki Manguin ex Kociolek & Reviers, 1996 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia lacustris Hustedt in A. Schmidt, 1922 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia laevis Frenguelli, 1923 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia laevissima Grunow in Cleve, 1883 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia lagunae Cholnoky, 1960 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia lagunensis Martinez-Goss, 1997 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia lahusenii Pantocsek, 1902 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia lanceolata 'Donahue' Abbott, 1974 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia lancettuloides Hustedt, 1956 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia lange-bertalotii Coste & Ricard, 1982 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia lata O. Witt, 1873 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia latifasciata Patrick, 1946 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia latiuscula Grunow in Van Heurck, 1881 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia latofasciata Skvortzow, 1946 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia lauenburgiana Hustedt, 1950 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia lawsonii Foged, 1966 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia leehyi G. Fryxell, 2000 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia legleri Hustedt, 1959 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia lejartii Amossé, 1969 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia lentiformis Mikhailov, 1981 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia lesbia Cholnoky, 1963 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia lesinensis Grunow, 1880 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia lesothensis Schoeman, 1973 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia leucosigma Benecke, 1900 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia levandensis (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia levissima Grunow in Cleve & Möller, 1882 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia liebethruthii (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia ligeriana H. Peragallo in Tempère & Peragallo, 1908 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia lineata Grunow, 1878 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia lineolata Grunow in Cleve & Möller, 1879 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia lionella Cholnoky, 1960 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia lobata Meunier, 1910 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia loczyi Pantocsek, 1889 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia lodicula Kaczmarska, 1986 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia lubrica (Meneghini manuscript) M. Peragallo, 1903 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia lucida Meister, 1937 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia lurida Cholnoky, 1961 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia macaronesica Lange-Bertalot, 1993 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia macedonica Hustedt, 1945 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia macera Hustedt, 1958 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia machardyae H. Lange-Bertalot & Rumrich in U. Rumrich, H. Lange-Bertalot & M. Rumrich, 2000 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia macrogongyla Hantzsch ex Rabenhorst, 1848-1860 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia maeotica Pantocsek, 1902 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia magnopunctata Poretzsky, 1953 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia maharashtrensis Sarode & Kamat, 1984 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia mahihaensis Foged, 1959 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia maillardii Coste & Ricard, 1982 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia makarovae Mikhailov, 1984 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia maleinterpretaria Schrader, 1976 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia mamataensis Foged, 1966 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia mammalifera Kufferath, 1956 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia mammalis Castracane, 1886 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia manca Hustedt, 1957 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia mancoides H.P. Gandhi, 1998 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia mangonicata Schoeman in Schoeman & Meaton, 1982 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia manguini Maillard, 1962 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia manguinii Cholnoky, 1968 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia mankesimensis Foged, 1966 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia mareei Kufferath, 1956 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia marginata Hustedt, 1955 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia marginifera Grunow in Cleve & Grunow, 1880 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia martini Krasske, 1939 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia maxima Grunow in Van Heurck, 1881 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia mediastalsis Hohn & Hellerman, 1963 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia medioincrassata Vyverman, 1988 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia meisteri Pantocsek, 1912 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia mesiana Cholnoky, 1955 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia mesolepta L.W. Bailey, 1861 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia metzeltinii H. Lange-Bertalot in H. Lange-Bertalot & S.I. Genkal, 1999 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia microcephala auct. non Cleve & Grunow (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia microcostata Hajós, 1959 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia microrhynchus (Grunow) (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia microsicula Kufferath, 1956 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia migrans Cleve, 1897 accepted as Unreviewed: has not been verified by a taxonomic editorNitzschia sicula (Castracane) Hustedt (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia minima Meister, 1934 (1935) (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia minuscula Frenguelli, 1938 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia minuta Bleisch, 1863 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia minuta Meister, 1932 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia minutula Grunow in Van Heurck, 1881 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia miocenica Burckle, 1972 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia mirabilis Cleve-Euler, 1952 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia miranda Giffen, 1984 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia miserabilis Cholnoky, 1963 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia moholensis Schrader, 1974 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia molesta Manguin, 1964 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia mongolica Skvortzow, 1935 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia monguilloni Manguin, 1942 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia monoensis Kociolek & Herbst, 1992 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia morosa Cholnoky, 1963 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia mucronata Østrup, 1918 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia mucronata Pantocsek, 1902 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia muranensis Cholnoky, 1961 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia mytilicola Giffen, 1984 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia nagbogensis Foged, 1966 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia nagpurensis Sarode & Kamat, 1984 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia natalensis Cholnoky, 1960 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia natans H. Lange-Bertalot in K. Krammer & H. Lange-Bertalot, 1997 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia nathorsti Brun, 1901 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia navia Carter, 1966 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia naviculaeformis Hustedt in Schmidt et al., 1922 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia neglecta Hustedt, 1958 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia nelsoni Hanna & Grant, 1926 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia neocaledonica Manguin ex Kociolek & Reviers, 1996 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia neofrigida L.K. Medlin in Medlin & Hasle, 1990 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia neogena Grunow, 1882 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia neogenica Zanon, 1933 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia neotropica H. Lange-Bertalot & Rumrich in U. Rumrich, H. Lange-Bertalot & M. Rumrich, 2000 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia neptuni (Schumann) M. Peragallo, 1903 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia nereidis Cholnoky, 1960 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia ngoziensis Otto Müller, 1905 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia nienhuisii Sterrenburg & Sterrenburg, 1990 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia nikitiniana Skvortzov, 1937 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia nollothae Giffen, 1984 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia normanii Van Heurck, 1880-1885 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia norvegica Hasle, 1964 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia notabilis (Grunow) Grunow (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia notata (Kützing) Rabenhorst ex M. Peragallo, 1903 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia notata (Kützing) Rabenhorst, 1863 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia novaeguineae Cholnoky, 1963 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia novae-guineaensis Reichardt, 1988 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia novaehollandiae Grunow in Cleve & Grunow, 1880 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia novae-zelandia Inglis, 1881 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia novazealandia Inglis, 1881 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia nunguaensis Foged, 1966 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia nuwukiana Patrick & Freese, 1961 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia nystroemii Grunow in Cleve & Möller, 1879 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia oamaruensis Schrader, 1969 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia oberheimiana Rumrich & H. Lange-Bertalot in U. Rumrich, H. Lange-Bertalot & M. Rumrich, 2000 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia obesa Castracane, 1886 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia obligata Archibald, 1966 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia obliquecostata (Van Heurck) Hasle, 1972 accepted as Unreviewed: has not been verified by a taxonomic editorFragilariopsis obliquecostata (van Heurck) Heiden, 1928 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia oblonga Mikhailov, 1983 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia oblonga L.W. Bailey, 1861 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia oblongella Østrup, 1910 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia obscura Grunow in Cleve & Grunow, 1880 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia obsidialis Hustedt, 1949 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia obsoleta Hustedt, 1949 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia obsoletiformis Cholnoky, 1966 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia obtusa-schweinfurthii Grunow (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia obtusata Grunow (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia oceanica Hasle, 1960 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia ocellata Cleve, 1881 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia oestrupii Pantocsek, 1912 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia ofinensis Foged, 1966 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia ogivalis Kufferath, 1957 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia okamurae Skvortzow, 1932 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia okamurae Skvortzow, 1937 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia oliffii Cholnoky, 1956 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia olivieri Manguin, 1954 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia omega Hustedt, 1958 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia omissa Skvortzov, 1975 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia oregona Sovereign, 1963 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia oscilla Carter, 1966 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia osmophila Cholnoky, 1963 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia ostenfeldi Hustedt, 1922 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia ostii Konig, 1959 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia paeneperpetua D.G. Mann, 1981 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia paleoides Hustedt, 1938 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia palmida Carter, 1966 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia pamirensis Hustedt in A. Schmidt, 1922 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia panduriformis sensu Hustedt in Schmidt et al., 1921 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia pantocseki Hajós, 1968 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia pantocsekii M. Peragallo, 1903 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia parallela Hustedt, 1955 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia pavini Manguin, 1954 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia pecten Brun, 1880 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia pekinensis Skvortzow, 1929 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia pennata Tempère & Brun in Brun & Tempère, 1889 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia peragalli Hasle, 1965 accepted as Unreviewed: has not been verified by a taxonomic editorFragilariopsis peragallii (Hasle) Cremer, 2003 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia percuriosa Giffen, 1980 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia perindistincta Cholnoky, 1960 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia perlonga Pantocsek, 1902 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia perspicillata Camburn, 1978 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia pertenuis Frenguelli & Orlando, 1959 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia peruviana Manguin, 1964 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia petulla Carter, 1966 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia philippina Skvortzow, 1937 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia pinguescens Cholnoky, 1963 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia pisca Patrick & Freese, 1961 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia piscinarum Hustedt, 1948 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia pistilla Carter, 1966 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia planctonica Hustedt in Schmidt et al., 1922 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia plicata Norman in H.L. Smith, 1874-1879 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia pliocena (Brun) Mertz, 1966 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia pliocena (Brun) Wornardt, 1967 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia plioveterana H. Lange-Bertalot in A. Witkowski, H. Lange-Bertalot & D. Metzeltin, 2000 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia poretzkyi Skvortzow, 1971 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia praecurta Gersonde, 1991 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia praefossilis Schrader, 1973 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia praeinterfrigidaria McCollum, 1975 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia praeinterfrigidaria McCollum emend Ciesielski, 1983 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia praelonga Cleve, 1881 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia praereinholdii Schrader, 1973 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia proceroides Giffen, 1973 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia producta Comber in G. Murray, 1903 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia profunda Kufferath, 1956 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia prolongat Manguin, 1960 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia prolongata Kazarina, 1978 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia proschkina-lavrenkoi Skvortzow, 1971 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia proshkina-lavrenki Aleem, 1973 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia protuberans Brun in Brun & Tempère, 1889 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia proxima Hustedt, 1955 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia pseudoamphibia (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia pseudoamphioxoides Gandhi, 1964 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia pseudoamphioxys Hustedt, 1942 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia pseudoatomus Stoermer, 1963 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia pseudobacata Cholnoky, 1958 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia pseudocapitata Desikachary & Gowthaman in Desikachary, 1989 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia pseudocarinata Cholnoky, 1970 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia pseudocylindrica Schrader in Schrader & Fenner, 1976 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia pseudofossilis Gandhi, 1959 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia pseudogracilis Gandhi, 1959 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia pseudohybrida Hustedt, 1955 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia pseudokerguelensis Schrader, 1976 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia pseudolinearis Gaud, 1974 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia pseudopectinalis Kufferath, 1957 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia pseudosinuata P.B. Hamilton & K.R. Laird, 2001 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia pseudostagnorum Hustedt, 1956 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia pseudosubrostrata Kufferath, 1956 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia pseudosuriella Gaud, 1974 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia pseudotropica Guermeur, 1954 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia pulchella Peragallo & Peragallo, 1899 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia pulchriora Giffen, 1980 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia punctata L.W. Bailey, 1861 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia punctata sensu Peragallo & Peragallo, 1899 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia pusilla (Kützing) Lange-Bertalot, 1976 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia pusilla Schrader, 1976 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia pustulata Meister, 1937 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia quadrangula (Kützing) Lange-Bertalot, 1980 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia quarnerensis (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia rabenhorstii Grunow, 1880 accepted as Unreviewed: has not been verified by a taxonomic editorIn quarantine: not visible on public site (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia radula W. Smith teste Arnott (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia ralfsii Woodhead & Tweed, 1960 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia rangoonensis Grunow ex Rabenhorst, 1873 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia rauhii Manguin, 1964 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia rautenbachiae Cholnoky, 1957 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia recta Grunow in Cleve & Grunow, 1880 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia rectangulata Kufferath, 1957 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia rectirobusta Lange-Bertalot in Lange-Bertalot & Metzeltin, 1996 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia reguloides Cholnoky, 1954 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia reimeri Fryxell & Kaczmarska, 1994 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia reimerii Kociolek & Herbst, 1992 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia reimersenii G. Fryxell & Kaczmarska, 1996 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia reinhardii Alexeenko, 1931 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia reinholdii Kanaya emend Barron &Baldauf, 1986 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia reinholdii du Saar & de Wolf, 1973 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia rennellensis Foged, 1957 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia rhaetica (Meister) Coupin, 1930 (circa 1930) (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia rhombica Hustedt, 1955 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia rhopalodioides Hustedt, 1955 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia riedelia Schrader, 1974 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia robusta Hustedt, 1949 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia rochensis D. Metzeltin, H. Lange-Bertalot & F. García-Rodríguez, 2005 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia rolandii Schrader, 1973 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia rosentockii Lange-Bertalot, 1980 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia rostellata Hustedt in Schmidt et al., 1922 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia rotula Carter, 1966 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia rousselinii Maillard, 1977 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia rufisquiana Guermeur, 1954 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia rufitorrentis Cholnoky, 1960 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia rufitorrentis Cholnoky, 1962 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia rugosa Østrup in Héribaud et al., 1920 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia rupestris Proschkina-Lavrenko, 1963 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia sakaensis Foged, 1966 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia salina Sheshukova-Poretzkaya, 1955 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia salina Sheshukova, 1956 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia salissigi Foged, 1951 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia salpaespinosae Lange-Bertalot in Lange-Bertalot & Krammer, 1987 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia salta Carter, 1966 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia sansomei Foged, 1966 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia scabra Cleve, 1883 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia schauinslandi Hustedt in Schmidt et al., 1922 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia scherffeliana Krenner, 1926 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia scheschukowae (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia schiellerupii Foged, 1966 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia schliephackeana Grunow ex Rabenhorst, 1864 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia schwabei Krasske ex Lange-Bertalot in Lange-Bertalot, Kulbs, Lauser, Norpel-Schempp & Willmann, 1996 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia schweinfurthii Grunow in Van Heurck, 1881 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia schweinfurthii Grunow in Rabenhorst, 1864 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia scoliotropis Cleve, 1905 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia scutellum (W.Smith) Wolle, 1890 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia secallii Azpeitia y Moros, 1911 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia seiboldia Schrader, 1974 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia sellingii Berg, 1953 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia semigibbosa Van Heurck, 1909 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia semirobusta Lange-Bertalot, 1993 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia senegalensis Grunow, 1880 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia senegalensis Grunow, 1880 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia serians Cleve & Grunow, 1880 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia serpenticula Cholnoky, 1968 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia serpentiformis Carter, 1966 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia serpentiraphe Lange-Bertalot, 1993 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia sheshukowae Skvortzow, 1971 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia siberica Grunow in Cleve & Grunow, 1880 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia sibirica Skvortzow, 1938 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia sibirica Kozlowsky, 1890 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia sieboldia H.J. Schrader, 1974 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia sierraleonensis Woodhead & Tweed, 1960 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia sigmatoformis (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia sigmoidea Østrup, 1910 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia silicula Hustedt, 1955 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia siliqua Archibald, 1966 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia similis Cleve-Euler, 1917 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia simplex Hustedt, 1956 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia simpliciformis Cholnoky, 1963 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia singalensis Spitta, 1920 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia slesvicensis Grunow (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia solea Jurilj, 1957 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia solea Hustedt in Schmidt et al., 1922 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia sonora Carter, 1966 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia sovereignii VanLandingham, 1978 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia spathulifera Grunow in Cleve & Grunow, 1880 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia spectabilis W. Smith, 1853 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia spelaea Krieger, 1944 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia spiculoides Hustedt, 1949 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia spiculum Hustedt, 1949 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia spinarum Lange-Bertalot in Lange-Bertalot & Metzeltin, 1996 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia spiralis (Kützing) De Toni, 1892 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia spiralis Mereschkowsky, 1901 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia spirilliformis Kufferath, 1956 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia staurophora Giffen, 1967 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia steenbergensis Giffen, 1973 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia steynii Cholnoky, 1966 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia stiliformis Hustedt in Schmidt et al., 1922 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia stimulus Cholnoky, 1961 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia stockmayeri Pantocsek, 1902 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia stricta Hustedt, 1949 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia striolata Hustedt, 1938 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia subaccommodata H.P. Gandhi, 1998 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia subadapta Cholnoky, 1958 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia subamphioxoides Hustedt, 1959 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia subapiculata H.P. Gandhi, 1998 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia subbacata Manguin ex Kociolek & Reviers, 1996 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia subcapitata Østrup, 1910 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia subcommunis Hustedt, 1949 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia subconstricta Grunow in mss. Lange-Bertalot & Krammer, 1987 accepted as Unreviewed: has not been verified by a taxonomic editorNitzschia ligowskii Witkowski, Lange-Bertalot, Kociolek & Brzezinska, 2004 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia subcostata Grunow in Cleve & Grunow, 1880 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia subdenticula Hustedt, 1942 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia subdilatata Grunow in Cleve & Grunow, 1880 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia subfradulenta G.R. Hasle, 1974 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia subgraciloides H.P. Gandhi, 1998 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia subhybrida Hustedt in Schmidt et al., 1922 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia subingenua Guermeur, 1954 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia subinvisitata Guermeur, 1954 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia sublaevis H.P. Gandhi, 1998 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia sublanceolata Archibald, 1982 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia sublica H.P. Gandhi, 1998 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia sublineata Hasle, 1972 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia sublongirostris H.P. Gandhi, 1998 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia submarina Hustedt in Schmidt et al., 1921 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia submediocris Hustedt, 1956 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia subodiosa Cholnoky, 1960 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia subpalea Skvortzow, 1971 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia subpalea Skvortzov, 1975 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia subpunctata Cholnoky, 1960 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia subrecta Grunow, 1878 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia subregula Hustedt in Schmidt et al., 1924 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia subsalsa Cholnoky, 1968 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia subtibetica Skvortzow, 1971 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia subtilioides Hustedt, 1959 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia subtropica Guermeur, 1954 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia subulata (Brebisson in Kutzing) De Toni, 1892 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia suchlandti Hustedt, 1943 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia suecica (Grunow in Cleve & Grunow) Cleve-Euler, 1932 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia suikoensis Koizumi, 1980 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia superba Leuduger-Fortmorel, 1879 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia surirelloidea Prowse, 1962 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia svedstrupii Foged, 1966 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia syrachii Foged, 1966 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia szaboi Pantocsek, 1889 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia tabellaria Schiedler, 1913 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia taenia Hustedt, 1958 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia taeniiformis Simonsen, 1987 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia tallyana Grunow, 1882 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia tamnaeana Guermeur, 1954 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia tantata Carter & Denny, 1992 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia tehermalis (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia teletzkensis Sheshukova in Poretzky & Sheshukova, 1953 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia telezkoensis Sheshukova (Scheschukova) in Proschkina-Lavrenko, 1950 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia tenellum Brébisson (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia tenera Meister, 1937 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia tenerifa Lange-Bertalot, 1987 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia tenuiarcuata Takano, 1983 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia tenuirostris Manguin in Bourrelly & Manguin, 1952 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia tenuis Eulenstein, 1868 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia tenuistriata Hustedt in Schmidt et al., 1922 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia tergestina (Kützing) Ralfs, 1861 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia terryana Tempère & M. Peragallo in Tempère & Peragallo, 1914 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia tetraplacata Mereschkowsky, 1902-1903 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia thalliana De Toni, 1892 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia thienemanni Hustedt, 1938 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia tibetana Hustedt, 1922 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia tingrica Jao & Y.Y. Lee in Jao, Zhu & Y.Y. Lee, 1974 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia tingrica Jao & Lee in Jao, Zhu & Lee, 1974 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia tirstrupensis Foged, 1963 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia tongatensis Grunow in Cleve & Grunow, 1880 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia tonkinensis Amossé, 1969 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia tonoensis Foged, 1966 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia torta Gandhi, 1961 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia toskalensis P.B. Hamilton & J. Weckström, 2006 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia towutensis Hustedt, 1942 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia translucida Hustedt, 1959 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia transvaalensis Cholnoky, 1958 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia transylvanica Pantocsek, 1892 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia triconfusa VanLandingham, 1978 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia tropica Hustedt, 1949 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia tumulana Patrick & Freese, 1961 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia turkestanica Kisselev, 1939 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia ultima Simonsen, 1992 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia umaoiensis Akiba, 1985 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia ungeri (Grunow) Schütt, 1896 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia vacillata Giffen, 1967 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia valdecostata Lange-Bertalot & Simonsen, 1978 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia valga Cholnoky, 1968 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia validissima Cholnoky, 1962 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia vana Cholnoky, 1963 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia vandermerwei Cholnoky, 1957 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia vanhoeffenii Heiden & Kolbe, 1928 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia vanoyei Cholnoky, 1954 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia variepunctata Heiden, 1900 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia vasnaii Gandhi, 1960 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia vedelii Foged, 1966 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia veneziana Cholnoky in Lange-Bertalot & Krammer, 1987 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia vermica Skvortzow, 1935 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia vermica Skvortzow, 1935 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia vermiculata Castracane, 1886 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia verrucosa O'Meara, 1869 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia vexans Grunow in Van Heurck, 1881 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia vidarbhensis Sarode & Kamat, 1984 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia vidovichi sensu Hustedt in Schmidt et al., 1921 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia villarealii G. Fryxell, 2000 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia vishwanthae Singh, 1961 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia vitraea (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia vivax Hantzsch, 1860 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia vixnegligenda H. Lange-Bertalot & G. Hoffmann in U. Rumrich, H. Lange-Bertalot & M. Rumrich, 2000 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia voigtii Meister, 1937 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia volcanica Sovereign, 1958 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia voltaensis Foged, 1966 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia vonhauseniae Cholnoky, 1954 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia vulpecula Giffen, 1967 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia vulpeculoides Giffen, 1973 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia wallichiana Petit, 1888 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia wankaremae Cleve, 1883 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia wardhensis Sarode & Kamat, 1984 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia weaveri Ciesielski, 1983 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia westii Kellogg, Stuiver, et al., 1980 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia widowichii Grunow, 1862 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia wipplingeri Cholnoky, 1966 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia witkowskii Metzeltin & Lange-Bertalot, 1998 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia wolterecki Hustedt, 1942 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia woltereckoides H.P. Gandhi, 1998 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia wuellerstorffii Lange-Bertalot in Lange-Bertalot & Krammer, 1987 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia yalahau E. Novelo, R. Tavera & C. Ibarra, 2007 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia zabelinae Skvortzow, 1971 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia zabelini (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia zahlbrucknerrii Pantocsek, 1912 (uncertain, unassessed)
Species Unreviewed: has not been verified by a taxonomic editorNitzschia zululandica Cholnoky, 1968 (uncertain, unassessed)
Environment marine, brackish, fresh
Links Unreviewed: has not been verified by a taxonomic editorPlanktonNet Image 
Unreviewed: has not been verified by a taxonomic editorPublished in AlgaeBase Logo AlgaeBase 
Unreviewed: has not been verified by a taxonomic editorTo Catalogue of Diatom Names (CAS) 
Unreviewed: has not been verified by a taxonomic editorTo ITIS
Note 
From editor or global species database
Checked: verified by a taxonomic editorLSID urn:lsid:algaebase.org:taxname:77651 [details]
Images Unreviewed: has not been verified by a taxonomic editor[show unreviewed]
LSID urn:lsid:marinespecies.org:taxname:149045
Taxonomic
Edit history
 
Date   action   by
2005-03-30 08:52:46Z  created  db_admin
2005-07-15 06:59:14Z  changed  Espinel, Nadjejda
2006-07-13 17:02:46Z  changed  Vanden Berghe, Edward
2010-06-04 10:14:04Z  changed  Guiry, Michael D.
2014-07-09 09:53:24Z  changed  Guiry, Michael D.
2017-02-23 10:36:53Z  changed  Kociolek, John Patrick
  
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  Citation: WoRMS (2017). Nitzschia A.H. Hassall, 1845. Accessed through: World Register of Marine Species at http://marinespecies.org/aphia.php?p=taxdetails&id=149045 on 2017-07-22
  Creative Commons License The webpage text is licensed under a Creative Commons Attribution 4.0 License