WoRMS taxon details

Navicula J.B.M. Bory de Saint-Vincent, 1822

149142  (urn:lsid:marinespecies.org:taxname:149142)

accepted
Genus
Species Navicula aberantior R.Simonsen, 2012
Species Navicula abrupta (W.Gregory) Donkin, 1870
Species Navicula adakensis M.Hein
Species Navicula advena A.Schmidt, 1875
Species Navicula aemula Grunow
Species Navicula aitchelbee L.L.Bahls, 2012
Species Navicula aleemii Hustedt, 1951
Species Navicula aleksandrae Lange-Bertalot, Bogaczewicz-Adamczak & Witkowski, 2003
Species Navicula alineae Lange-Bertalot, 2000
Species Navicula ammophila Grunow, 1862
Species Navicula amphibola Cleve, 1891
Species Navicula angarae D.Metzeltin, M.S.Kulikovskiy & H.Lange-Bertalot, 2012
Species Navicula angelica Ralfs, 1861
Species Navicula angulosa Gregory, 1856
Species Navicula anhuiensis Yang, 1994
Species Navicula antonioides Van de Vijver, Jarlman & Lange-Bert., 2010
Species Navicula antverpiensis Van de Vijver & Lange-Bert., 2009
Species Navicula apiculata Brébisson, 1854
Species Navicula applicita Hustedt, 1964
Species Navicula approximatella Hustedt
Species Navicula arenicola Grunow, 1882
Species Navicula arverna M.Peragallo & Héribaud-Joseph, 1893
Species Navicula ascensionensis Van de Vijver, Wilfert, D.M. John & Lange-Bertalot, 2018
Species Navicula avium (Tiffany, Herwig et Sterrenburg in Sterrenburg et al.) Yuhang Li et Kuidong Xu, 2017
Species Navicula bacilliformis Grunow, 1880
Species Navicula baicalcollegarum Kulikovskiy & Lange-Bertalot, 2012
Species Navicula baicalconcentrica M.S.Kulikovskiy, H.Lange-Bertalot & D.Metzeltin, 2012
Species Navicula baicalirmengardis Kulikovskiy Lange-Bertalot & Metzeltin, 2012
Species Navicula baicalofrigidicola D.Metzeltin, M.S.Kulikovskiy & H.Lange-Bertalot, 2012
Species Navicula baicalogracilis M.S.Kulikovskiy, H.Lange-Bertalot & D.Metzeltin, 2012
Species Navicula baicaloradiosa Kulikovskiy Lange-Bertalot & Metzeltin, 2012
Species Navicula bakievae Metzeltin, Kulikovskiy & Lange-Bertalot, 2012
Species Navicula barclayana Gregory, 1857
Species Navicula bauemleri Pantocsek
Species Navicula biconstricta Grunow, 1878
Species Navicula bidentula J.B.Petersen, 1928
Species Navicula bigibba J.Y.Chen & H.Z.Zhu
Species Navicula blazenciciae Z.Levkov & S.Krstic, 2007
Species Navicula boris-skvortzowii M.S.Kulikovskiy, D.Metzeltin & H.Lange-Bertalot, 2012
Species Navicula bouillantensis Metzeltin & Lange-Bertalot, 2007
Species Navicula bozenae Lange-Bertalot, Witkowski & Zgrundo, 2003
Species Navicula brasiliensis Grunow
Species Navicula bryophila Østrup
Species Navicula campylodiscus Grunow
Species Navicula cancellata Donkin, 1872
Species Navicula capitatoradiata Germain, 1981
Species Navicula cari Ehrenberg, 1836
Species Navicula carinifera Grunow, 1874
Species Navicula carminata Hustedt, 1934
Species Navicula caroliniae Bahls, 2012
Species Navicula caudata Metzeltin, Kulikovskiy & Lange-Bertalot, 2012
Species Navicula ceciliae Van de Vijver, Jarlman & Lange-Bert., 2010
Species Navicula cerevisia Laslandes & Kociolek in Kociolek et al., 2014
Species Navicula cerneutia Hohn, 1961
Species Navicula cholnokyana Foged, 1975
Species Navicula cincta (Ehrenberg) Ralfs, 1861
Species Navicula cingens Skvortzov, 1937
Species Navicula cluthensis Gregory, 1854
Species Navicula cocquytiae Z.Levkov & T.Nakov, 2007
Species Navicula commutata Grunow ex A.Schmidt, 1876
Species Navicula complanata (Grunow) Grunow, 1880
Species Navicula compositestriata Jasnitsky
Species Navicula confusa Laslandes & Kociolek in Kociolek et al., 2014
Species Navicula congerana Hagelstein, 1939
Species Navicula cortanensis Krasske, 1948
Species Navicula craticuloides Li & Metzeltin, 2015
Species Navicula creuzbergensis Krasske, 1927
Species Navicula cristata Peragallo, 1921
Species Navicula crucifera Grunow, 1876
Species Navicula cryophiliforma Witkowski, Riaux-Gobin & Daniszewska-Kowalczyk
Species Navicula cryptocephala Kützing, 1844
Species Navicula cuneatostriolata Kulikovskiy Lange-Bertalot & Metzeltin, 2012
Species Navicula cyprinus (Ehrenberg) Kützing
Species Navicula dahurica Skabichevskií
Species Navicula dalmatica Grunow
Species Navicula densa Hustedt
Species Navicula descripta Hustedt, 1943
Species Navicula dibrinatemniskovae R.Zidarova & B.Van de Vijver, 2011
Species Navicula dicephala Ehrenberg, 1838
Species Navicula diffusa A.W.F.Schmidt
Species Navicula digitoradiata (Gregory) Ralfs, 1861
Species Navicula dissipata Salah
Species Navicula domiciliensis E.Reichardt, 2012
Species Navicula eidrigeana J.R.Carter, 1979
Species Navicula eomenisculus Benson & Kociolek †
Species Navicula ergadensis (Gregory) Ralfs, 1861
Species Navicula excentrica Grunow, 1860
Species Navicula exilis Kützing, 1844
Species Navicula exilissima Grunow, 1880
Species Navicula eximia (Grunow) Grunow, 1897
Species Navicula expecta S.L.VanLandingham, 1975 †
Species Navicula expleta A.Schmidt, 1874
Species Navicula feuerbornii Hustedt
Species Navicula finmarchica (Cleve & Grunow) Cleve, 1895
Species Navicula fischeri A.W.F.Schmidt, 1875
Species Navicula flanatica Grunow, 1860
Species Navicula fluens Hustedt
Species Navicula fontana J.Zelazna-Wieczorek & Lange-Bertalot, 2011
Species Navicula fortis (Gregory) Ralfs ex Pritchard, 1861
Species Navicula gandrupi
Species Navicula gandrupi (Petersen) Krasske, 1938
Species Navicula gelida Grunow, 1884
Species Navicula gemmata Greville, 1859
Species Navicula gemmatula Grunow
Species Navicula glabriuscula Hustedt
Species Navicula globulifera Hustedt, 1927
Species Navicula gololobovae Chudaev, 2016
Species Navicula gongii Metzeltin & Li, 2015
Species Navicula gorjanovicii Pantocsek, 1886
Species Navicula gotlandica
Species Navicula gracilis Lauby, 1910 †
Species Navicula graeffii Grunow ex A.Schmidt, 1875
Species Navicula gregaria Donkin, 1861
Species Navicula grevillei (Agardh) Heiberg, 1863
Species Navicula groschopfii Hustedt, 1939
Species Navicula gruendleri (Cleve & Grunow) Cleve
Species Navicula guaynaboensis Hagelstein, 1939
Species Navicula halophiloides Hustedt, 1959
Species Navicula hamulifera Grunow, 1880
Species Navicula harmoniae L.L.Bahls, 2014
Species Navicula hasta Pantocsek, 1892 †
Species Navicula heeri Pantocsek
Species Navicula hennedyii
Species Navicula hippodontafallax Witkowski & Ch.Li in Witkowski et al., 2016
Species Navicula hochstetteri Grunow, 1863
Species Navicula hunanensis J.Y.Chen & H.Z.Zhu
Species Navicula illustra Pantocsek
Species Navicula imperfecta Cleve, 1883
Species Navicula incomposita Hagelstein
Species Navicula incus Grunow, 1876
Species Navicula inflexa (Gregory) Ralfs, 1861
Species Navicula infossa Laslandes & Kociolek in Kociolek et al., 2014
Species Navicula ingrata Krasske, 1938
Species Navicula insignita Hustedt, 1942
Species Navicula ireneae Van de Vijver, Jarlman & Lange-Bert., 2010
Species Navicula irminiae A.Witkowski, C.Riaux-Gobin & G.Daniszewska-Kowalczyk, 2010
Species Navicula jasnitskii
Species Navicula jatobensis Krasske
Species Navicula jentzschii Grunow, 1882
Species Navicula johnsonii (W.Smith) O'Meara, 1876
Species Navicula jungii Krasske
Species Navicula kariana Grunow in Cleve & Grunow, 1880
Species Navicula kjellmanii (Cleve) Cleve
Species Navicula kotschyi Grunow, 1860
Species Navicula kryokonites Cleve
Species Navicula lacrymans
Species Navicula lacunarum Grunow, 1880
Species Navicula lacuum Lange-Bert., Hofmann, Werum & Van de Vijver, 2009
Species Navicula laterostrata Hustedt, 1925
Species Navicula legumen Ehrenberg
Species Navicula lepida Gregory, 1856
Species Navicula limnetica Kociolek in Kociolek et al., 2014
Species Navicula longa (Gregory) Ralfs ex Pritchard, 1861
Species Navicula lucidula Grunow, 1880
Species Navicula ludloviana Schmidt, 1876 †
Species Navicula maculata Hustedt
Species Navicula mannii Hagelstein, 1939
Species Navicula margino-nodularis Salah, 1953
Species Navicula megaloptera (Ehrenberg) Héribaud, 1893
Species Navicula menisculus Schumann, 1867 †
Species Navicula meulemansii A.Mertens, A.Witkowski & Lange-Bertalot, 2013
Species Navicula microcephala Grunow, 1868
Species Navicula microrhombus (Cholnoky) Schoeman & Archibald, 1977
Species Navicula minima Grunow, 1880
Species Navicula multicostata Grunow, 1860
Species Navicula multipunctata J.Y.Chen & H.Z.Zhu
Species Navicula muscaeformis Grunow
Species Navicula muzafarovii A.Witkowski & H.Lange-Bertalot, 2012
Species Navicula neomundana (Lange-Bert. & Rumrich) Lange-Bert., Jarlman & Van de Vijver in Van de Vijver & Lange-Bertalot, 2009
Species Navicula neoventricosa Hustedt, F, 1964
Species Navicula neowiesneri Chudaev & Kulikovskiy, 2016
Species Navicula nielsfogedii J.C.Taylor & Cocquyt, 2016
Species Navicula nobilis Kützing
Species Navicula norae Metzeltin, Lange-Bertalot & García-Rodríguez, 2005
Species Navicula northumbrica Donkin, 1861
Species Navicula oblonga (Kützing) Kützing, 1844 †
Species Navicula opima Grunow, 1867
Species Navicula ostenfeldii Ostrup
Species Navicula ovalis Hilse, 1875
Species Navicula palpebralis Brébisson ex W.Smith, 1853
Species Navicula paludinarum Pantocsek, 1892 †
Species Navicula palustris P.Fusey, 1948
Species Navicula parapontica A.Witkowski, M.Kulikovskiy, E.Nevrova & H.Lange-Bertalot, 2010
Species Navicula parca A.Schmidt, 1875
Species Navicula pavillardi Hustedt, 1939
Species Navicula pavillardii Hustedt, 1939
Species Navicula pellucidula Hustedt
Species Navicula pennata A.Schmidt, 1876
Species Navicula peragalli Brun, 1891
Species Navicula perlepida Grunow, 1884
Species Navicula perpicea M.S.Kulikovskiy, H.Lange-Bertalot & D.Metzeltin, 2012
Species Navicula perplexa H.Peragallo & M.Peragallo, 1897
Species Navicula perpusilloides J.Y.Chen & H.Z.Zhu
Species Navicula petersenii Hustedt, 1937
Species Navicula petrovii E.Nevrova; A.Witkowski, J.P.Kociolek & H.Lange-Bertalot, 2014
Species Navicula peysonis
Species Navicula picea M.S.Kulikovskiy, H.Lange-Bertalot & D.Metzeltin, 2012
Species Navicula pierre-comperei H.Lange-Bertalot & G.Hofmann, 2014
Species Navicula pinnata Pantocsek, 1889
Species Navicula platystoma Ehrenberg, 1838
Species Navicula portomontana Cleve, 1894
Species Navicula potzgeri C.W.Reimer, 1961
Species Navicula protracta (Grunow) Cleve, 1894
Species Navicula pseudosilicula Hustedt
Species Navicula pseudowiesneri Chudaev & Kulikovskiy, 2016
Species Navicula radiosa Kützing, 1844
Species Navicula ramosissima (C.Agardh) Cleve, 1895
Species Navicula rarissima Bennett & Kociolek in Kociolek et al., 2014
Species Navicula regularis Hustedt
Species Navicula reinhardtii (Grunow) Grunow in Van Heurck, 1880
Species Navicula rhynchocephala Kützing, 1844
Species Navicula riojae Cleve
Species Navicula rotaeana (Rabenhorst) Grunow, 1880
Species Navicula rudis Cleve
Species Navicula salinicola Hustedt, 1939
Species Navicula scaniae Van de Vijver, Jarlman & Lange-Bert., 2010
Species Navicula schilberszkyi Pantocsek
Species Navicula schmidtii Lagerst., 1876
Species Navicula schonfeldii Hustedt, 1930
Species Navicula schroeteri Meister, 1932
Species Navicula schultzei C.H.Kain
Species Navicula schuttii
Species Navicula scutum Schumann, 1862
Species Navicula sectilis A.W.F.Schmidt
Species Navicula sejuncta A.Schmidt, 1874
Species Navicula sibirica Skvortzov, 1929
Species Navicula söhrensis Krasske
Species Navicula sovereignii L.L.Bahls, 2011
Species Navicula spuria Cleve, 1896
Species Navicula stagna J.Y.Chen & H.Z.Zhu
Species Navicula subacuta (Ehrenberg) Ralfs, 1861
Species Navicula subocculta Hustedt
Species Navicula subplacentula Hustedt, 1930
Species Navicula subrhynchocephala Hustedt, 1935
Species Navicula subrotundata Hustedt
Species Navicula subwalkeri Bahls & Potapova, 2015
Species Navicula suecicarum Van de Vijver, Jarlman & Lange-Bert. in Van de Vijver & Lange-Bertalot, 2009
Species Navicula superba Cleve
Species Navicula supleeorum L.Bahls, 2013
Species Navicula suspecta A.W.F.Schmidt
Species Navicula termes Ehrenberg
Species Navicula torneensis Cleve, 1891
Species Navicula toulaae Pantocsek, 1892
Species Navicula transitans Cleve, 1883
Species Navicula traucilola Guermeur
Species Navicula tridentula Krasske, 1923
Species Navicula trilatera L.Bahls, 2013
Species Navicula trochus Schumann, 1863
Species Navicula tsukamotoi (Sterrenburg et Hinz) Yuhang Li et Kuidong Xu in Li et al., 2017
Species Navicula tumida Brébisson ex Kützing
Species Navicula usoltsevae Metzeltin, Kulikovskiy & Lange-Bertalot, 2012
Species Navicula vacillans A.Schmidt, 1875
Species Navicula valida Cleve & Grunow
Variety Navicula var. fasciata
Species Navicula venetoides S.Blanco, I.Alvarez-Blanco & C.Cejudo-Figueiras, 2012
Species Navicula vixcylindrata Kulikovskiy Lange-Bertalot & Metzeltin, 2012
Species Navicula volcanica Bahls & Potapova, 2015
Species Navicula vulpina Kützing, 1844
Species Navicula weberi Bahls, 2012
Species Navicula wendlingii Lange-Bert., G.Hofm. & Van de Vijver in Van de Vijver & Lange-Bertalot, 2009
Species Navicula whitefishensis L.Bahls, 2012
Species Navicula winona Bahls, 2012
Species Navicula wislouchii Kutzing
Species Navicula yunnanensis Li & Metzeltin, 2015
Species Navicula zeta Cleve, 1895
Species Navicula zhengii Witkowski & Ch.Li in Witkowski et al., 2016
Species Navicula zimmermannii D.F.Gomes & D.M.Williams, 2012
Species Navicula zostereti Grunow

Species Navicula chilena Lange-Bertalot, 1996 (nomen nudum)
Species Navicula cumbriensis Haworth, 1988 (nomen nudum, nom. inval.)

Species Navicula aboensis (Cleve) Hustedt, 1952 represented as Navicula torneensis var. aboensis Cleve, 1891
Species Navicula acuminata (Kützing) Kützing, 1844 represented as Frustulia acuminata Kützing, 1833
Species Navicula acuminata (Smith) Ralfs, 1861 represented as Pinnularia acuminata var. acuminata W. Smith, 1853
Species Navicula acuta (W.Smith) O'Meara, 1875 represented as Stauroneis acuta f. acuta W. Smith, 1853
Species Navicula acutiuscula Gregory represented as Pinnularia acutiuscula Gregory, 1856
Species Navicula adamantiformis Archibald, 1966 represented as Navigiolum adamantiforme (Archibald) Taylor & Lange-Bertalot (homotypic synonym)
Species Navicula aequalis (Ehrenberg) Kützing, 1844 represented as Pinnularia aequalis Ehrenberg, 1843
Species Navicula alata Ehrenberg, 1840 represented as Entomoneis alata (Ehrenberg) Ehrenberg, 1845 (homotypic synonym)
Species Navicula alisoviana (Skvortzow) A.Tuji, 2003 represented as Navicula viridula var. alisoviana Skvortzow, 1929
Species Navicula allmaniana (Gregory) Ralfs in Pritchard, 1861 represented as Pinnularia allmaniana Gregory, 1857
Species Navicula amphicephala (Ehrenberg) De Toni, 1891 represented as Pinnularia amphicephala Ehrenberg, 1870
Species Navicula amphiceros (Ehrenberg) De Toni, 1891 represented as Pinnularia amphiceros Ehrenberg, 1854
Species Navicula amphiprora (Ehrenberg) Kützing, 1844 represented as Pinnularia amphiprora Ehrenberg, 1843
Species Navicula amphistylus (Ehrenberg) Kützing, 1849 represented as Pinnularia amphistylus Ehrenberg, 1845
Species Navicula anceps (Ehrenberg) Mann, 1907 represented as Stauroneis anceps f. anceps Ehrenberg, 1843
Species Navicula anceps (Kützing) Ehrenberg, 1838 represented as Frustulia anceps Kützing, 1833 (1834)
Species Navicula andicola (Cleve) Schütt, 1896 represented as Schizonema andicola (Cleve) Kuntze, 1898 represented as Schizostauron andicolum Cleve, 1881
Species Navicula anomala (Ehrenberg) De Toni, 1891 represented as Pinnularia anomala Ehrenberg, 1854
Species Navicula antarctica (Ehrenberg) De Toni, 1891 represented as Pinnularia antarctica Ehrenberg, 1854
Species Navicula antillarum (Cleve & Grunow) Mann, 1925 represented as Alloioneis antillarum Cleve & Grunow in Cleve, 1878
Species Navicula aolandica (Cleve-Euler) Cleve-Euler, 1953 represented as Navicula obtusata var. aolandica Cleve-Euler, 1934
Species Navicula aperta (Ehrenberg) De Toni, 1891 represented as Pinnularia apicata Ehrenberg, 1854
Species Navicula apis Ehrenberg represented as Pinnularia apis Ehrenberg, 1843
Species Navicula asperula (Ehrenberg) Kützing, 1844 represented as Pinnularia asperula Ehrenberg, 1845
Species Navicula atlantica A.Schmidt, 1874 represented as Navicula lyra f. atlantica Schmidt, 1874
Species Navicula attenuata (Kützing) Kützing, 1844 represented as Frustulia attenuata Kützing, 1834
Species Navicula australica (Schmidt in Schmidt et al.) Cleve, 1895 represented as Navicula lyra var. australica Schmidt in Schmidt et al., 1874
Species Navicula australis (Ehrenberg) De Toni, 1891 represented as Pinnularia australis Ehrenberg, 1845
Species Navicula australis (Petit) M. Peragallo, 1903 represented as Stauroneis velata var. australis Petit, 1888
Species Navicula avenacea (Rabenhorst) Brébisson ex Grunow, 1878 represented as Pinnularia radiosa var. avenacea Rabenhorst, 1864
Species Navicula avittata (Cholnoky) Cholnoky, 1968 represented as Navicula subcostulata var. avittata Cholnoky, 1959
Species Navicula bacillaris (Ehrenberg) De Toni, 1891 represented as Pinnularia bacillaris Ehrenberg, 1854
Species Navicula bahusiensis (Grunow) Cleve, 1895 represented as Navicula minuscula var. bahusiensis Grunow, 1880
Species Navicula balearica (Cleve) Cleve, 1894 represented as Stauroneis balearica Cleve, 1881
Species Navicula balfouriana (Grunow ms., Cleve) M.Peragallo, 1903 represented as Pinnularia balfouriana var. balfouriana Grunow ex Cleve, 1895
Species Navicula barbadensis Ehrenberg, 1854 represented as Pinnularia barbadensis Ehrenberg, 1854
Species Navicula biconstricta (Grunow) M.Peragallo, 1903 represented as Navicula trochus var. biconstricta Grunow, 1878
Species Navicula biflexa (A.Schmidt) Giffen, 1970 represented as Cocconeis biflexa A.Schmidt, 1874
Species Navicula biformis (Grunow) Mann, 1925 represented as Stauroneis biformis var. biformis Grunow, 1863
Species Navicula bifurcatum (Heiden in Schmidt et al.) F.W. Mills, 1934 represented as Neidium bifurcatum Heiden in Schmidt et al., 1906
Species Navicula birostris (Ehrenberg) Ralfs in Pritchard, 1861 represented as Pinnularia birostris Ehrenberg, 1842
Species Navicula bistriata Leuduger-Fortmorel, 1879 represented as Stauroneis bistriata Leuduger-Fortmorel, 1879
Species Navicula biwaensis (Skvortzov) T.Ohtsuka, 2002 represented as Navicula rostellata var. biwensis Skvortzow, 1936
Species Navicula boeckii (Ehrenberg) Heiberg, 1863 represented as Cocconema boeckii Ehrenberg, 1838
Species Navicula bramanorum (Ehrenberg) De Toni, 1891 represented as Pinnularia bramanorum Ehrenberg, 1854
Species Navicula brandeli (Cleve) Hustedt, 1909 represented as Pinnularia brandelii var. brandelii Cleve, 1891
Species Navicula brevistriata (van Heurck) Frenguelli, 1926 represented as Navicula gibba var. brevistriata van Heurck, 1885
Species Navicula caffra (Ehrenberg) De Toni, 1891 represented as Pinnularia caffra Ehrenberg, 1854
Species Navicula capensis (Ehrenberg) De Toni, 1891 represented as Pinnularia capensis Ehrenberg, 1854
Species Navicula carbonum (Ehrenberg) De Toni, 1891 represented as Pinnularia carbonum Ehrenberg, 1846
Species Navicula carinata (Schumann) Cleve-Euler in Backman & Cleve-Euler, 1922 represented as Schizonema carinatum Schumann, 1869
Species Navicula catherinae (Ehrenberg) De Toni, 1891 represented as Pinnularia catherinae Ehrenberg, 1854
Species Navicula chiliensis (Ehrenberg) Kützing, 1844 represented as Pinnularia chilensis Ehrenberg, 1843
Species Navicula circumsecta (Grunow) Grunow, 1880 represented as Navicula polysticta var. circumsecta Grunow ex A.Schmidt, 1874
Species Navicula circumvallata (Cleve) Cleve represented as Cymatoneis circumvallata Cleve, 1894
Species Navicula clavigera (Cleve) M. Peragallo, 1903 represented as Caloneis clavigera Cleve, 1894
Species Navicula claytonii J.R.Carter, 1987
Species Navicula cocconeoides (Rabenhorst) Ralfs in Pritchard, 1861 represented as Pinnularia cocconeoides Rabenhorst, 1853
Species Navicula coelata (Arnott Walker) Cleve represented as Cocconeis coelata Arnott ex Greville, 1862
Species Navicula cohnii (Hilse) Lange-Bertalot, 1985 represented as Stauroneis cohnii Hilse, 1860
Species Navicula complanata (Ehrenberg) De Toni, 1891 represented as Pinnularia complanata Ehrenberg, 1875
Species Navicula compressa (Ehrenberg) De Toni, 1891 represented as Pinnularia compressa Ehrenberg, 1860
Species Navicula connectens (Grunow in Pantocsek) Cleve, 1895 represented as Navicula lyra var. connectens Grunow in Pantocsek, 1886
Species Navicula conops (Ehrenberg) Kützing, 1844 represented as Pinnularia conops Ehrenberg, 1843
Species Navicula constricta (Cleve) M. Peragallo, 1903 represented as Pinnularia constricta Cleve, 1895
Species Navicula corniculata (Agardh) H. Kobayasi in Kobayasi, et al, 1977 represented as Micromega corniculatum C.Agardh, 1827
Species Navicula costata (Ehrenberg) Héribaud, 1893 represented as Pinnularia costata Ehrenberg, 1843
Species Navicula couperi (Bailey) Ralfs in Pritchard, 1861 represented as Pinnularia couperi J.W. Bailey, 1851
Species Navicula craticula Ehrenberg, 1840 represented as Pinnularia craticula Ehrenberg, 1854
Species Navicula criophila (Castracane) De Toni, 1891 represented as Pinnularia criophila Castracane, 1886
Species Navicula criophila (Castracane) Van Heurck, 1909 represented as Pinnularia criophila Castracane, 1886
Species Navicula cyprinus (Schumann) Cleve, 1895 represented as Pinnularia cyprinus Ehrenberg, 1843
Species Navicula decora (Greville) Østrup, 1904 represented as Stauroneis decora Greville, 1865
Species Navicula decora (Ehrenberg) De Toni, 1891 represented as Pinnularia decora Ehrenberg, 1854
Species Navicula decorata (Brun) M. Peragallo, 1903 represented as Neidium decoratum var. decoratum Brun, 1901
Species Navicula decussata (Ehrenberg) Kützing, 1849 represented as Pinnularia decussata Ehrenberg, 1845
Species Navicula delicatula Cleve, 1894 represented as Climaconeis delicatula (Cleve) E.J.Cox, 1982 (homotypic synonym)
Species Navicula demerarae Cleve, 1894 represented as Stauroneis demerarae Cleve, 1894
Species Navicula densepunctata (Cleve-Euler in Backman & Cleve-Euler) Cleve-Euler, 1953 represented as Navicula tuscula var. densepunctata Cleve-Euler in Backman & Cleve-Euler, 1922
Species Navicula densistriata (Schmidt) Hanna & Grant, 1926 represented as Navicula gemina var. densestriata A.W.F.Schmidt, 1875
Species Navicula depressa (Kützing) Ehrenberg, 1838 represented as Frustulia depressa Kützing, 1833
Species Navicula detersa Grunow in Cleve, 1883 represented as Navicula kariana var. detersa Grunow, 1884
Species Navicula didelta (Hustedt) F.W. Mills, 1934 represented as Neidium didelta Hustedt, 1922
Species Navicula didyma Ehrenberg, 1840 represented as Pinnularia didyma Ehrenberg, 1844
Species Navicula digitus (Ehrenberg) Ralfs, 1861 represented as Pinnularia digitus Ehrenberg, 1854
Species Navicula diomphala (Ehrenberg) Ralfs, 1861 represented as Pinnularia diomphala Ehrenberg, 1843
Species Navicula directa (W.Smith) Ralfs, 1861 represented as Pinnularia directa var. directa W. Smith, 1853
Species Navicula disphenia (Ehrenberg) Kützing, 1844 represented as Pinnularia disphenia Ehrenberg, 1843
Species Navicula dissimilis (Rabenhorst) Ralfs in Pritchard, 1861 represented as Pinnularia dissimilis Rabenhorst, 1853
Species Navicula distans (W.Smith) Ralfs, 1861 represented as Pinnularia distans W.Smith, 1853
Species Navicula distinctepunctatum (Hustedt) F.W. Mills, 1934 represented as Neidium distinctepunctatum Hustedt, 1922
Species Navicula distinguenda (Cleve) M.Peragallo, 1897 † represented as Pinnularia viridis var. distinguenda Cleve, 1891 †
Species Navicula diversa (Østrup) M.Peragallo, 1903 represented as Pinnularia diversa Østrup, 1901
Species Navicula duerrenbergiana Hustedt, 1934 represented as Haslea duerrenbergiana (Hustedt) Sterrenburg in Sterrenburg et al., 2015 (unassessed)
Species Navicula dusenii (Cleve) M. Peragallo, 1903 represented as Caloneis dusenii Cleve, 1894
Species Navicula dux (Ehrenberg) Ralfs in Pritchard, 1861 represented as Pinnularia dux Ehrenberg, 1854
Species Navicula elegantoides Hustedt, 1942 represented as Pinnunavis elegantoides (Hustedt) Cocquyt & Olodo in Cocquyt et al., 2018 (homotypic synonym)
Species Navicula elliptica Kützing, 1844 represented as Diploneis elliptica (Kützing) Cleve, 1894 (basionym)
Species Navicula escambia (Patrick) D.Metzeltin & Lange-Bertalot, 2007 represented as Navicula schroeteri var. escambia R.M.Patrick, 1959
Species Navicula esox (Ehrenberg) Kützing, 1844 represented as Pinnularia esox f. esox Ehrenberg, 1843
Species Navicula excavata (Pantocsek) Ross, 1972 (alternate representation)
Species Navicula exiliformis Reichardt, 1988 (alternate representation, unassessed)
Species Navicula faba (Ehrenberg) Kützing, 1849 (alternate representation)
Species Navicula fasciculata (Grunow ex Cleve) Hustedt, 1961 (alternate representation)
Species Navicula fimbriata (Grunow) Cleve & Möller, 1878 (alternate representation)
Species Navicula finnica (Ehrenberg) F.W.Mills, 1934 (alternate representation)
Species Navicula forficula (O'Meara) M. Peragallo, 1903 (alternate representation)
Species Navicula formica Ehrenberg, 1843 † (alternate representation)
Species Navicula fossilis (Pantocsek) Cleve-Euler, 1953 (alternate representation)
Species Navicula frater (Cleve) M. Peragallo, 1903 (alternate representation)
Species Navicula frauenfeldii (Grunow) Grunow, 1877 (alternate representation)
Species Navicula fulva Ehrenberg, 1837 (alternate representation)
Species Navicula garganica (Rabenhorst) Ralfs in Pritchard, 1861 (alternate representation)
Species Navicula glacialis (Cleve) Cleve, 1883 (alternate representation)
Species Navicula glacialis (Ehrenberg) De Toni, 1891 (alternate representation)
Species Navicula goeppertiana (Bleisch) H.L.Smith, 1876-1888 (alternate representation)
Species Navicula gracillima (Gregory) Ralfs, 1861 (alternate representation)
Species Navicula granii (Jørgensen) Gran, 1908 (alternate representation)
Species Navicula groenlandica (Østrup) M. Peragallo, 1903 (alternate representation)
Species Navicula hardmaniana (Cleve) M. Peragallo, 1903 (alternate representation)
Species Navicula hyalina (Ehrenberg) Kützing, 1849 (alternate representation)
Species Navicula integra (Grunow ex Cleve) Fricke, 1902 (alternate representation)
Species Navicula interrupta (Hemprich & Ehrenberg) Hemprich & Ehrenberg, 1831 (alternate representation)
Species Navicula isocephala (Ehrenberg) Kützing, 1844 (alternate representation)
Species Navicula isostauron (Ehrenberg) Pantocsek, 1902 (alternate representation)
Species Navicula istriana (Grunow in Van Heurck) Pantocsek, 1902 (alternate representation)
Species Navicula italica (Rabenhorst) De Toni, 1891 (alternate representation)
Species Navicula kefvingensis (Ehrenberg) Kützing, 1844 (alternate representation)
Species Navicula kerguelensis (Ehrenberg) Ralfs in Pritchard, 1861 (alternate representation)
Species Navicula kochii (Ehrenberg) Kützing, 1849 (alternate representation)
Species Navicula lacus lemani (J. Brun) J. Brun, 1901 (alternate representation)
Species Navicula lacustris (Agardh) Schutt, 1896 (alternate representation)
Species Navicula lagerheimii Cleve, 1894 (alternate representation)
Species Navicula lambda Cleve (alternate representation)
Species Navicula lambda (Skvortzov) Ohtsuka in Ohtsuka & Tuji, 2002 (alternate representation)
Species Navicula lapidicola (Boye Petersen) Cleve-Euler, 1953 (alternate representation)
Species Navicula lata (Brébisson) Kützing, 1844 (alternate representation)
Species Navicula legumen (Ehrenberg) Ehrenberg, 1843 (alternate representation)
Species Navicula legumen (Ehrenberg) F.W.Mills, 1934 (alternate representation)
Species Navicula licuarae (Ehrenberg) De Toni, 1891 (alternate representation)
Species Navicula lignitica (Cleve) M. Peragallo, 1903 (alternate representation)
Species Navicula linearis (Gregory) Ralfs in Pritchard, 1861 (alternate representation)
Species Navicula linearis (Otto Müller) Frenguelli, 1924 (alternate representation)
Species Navicula lyrella (Ehrenberg) De Toni, 1891 (alternate representation)
Species Navicula macilenta (Ehrenberg) Pantocsek, 1889 (alternate representation)
Species Navicula maculata (Bailey) Edwards, 1859 (alternate representation)
Species Navicula maculifera (Cleve) Tempère & Peragallo, 1889-1895 (alternate representation)
Species Navicula magellanica (Cleve) Frenguelli, 1924 (alternate representation)
Species Navicula major (Kützing) Kützing, 1844 (alternate representation)
Species Navicula marginata (O'Meara) O'Meara, 1876 (alternate representation)
Species Navicula mascarenae (Coste & Ricard) D. Metzeltin & H. Lange-Bertalot, 2002 (alternate representation)
Species Navicula mediterranea A.Schmidt, 1874 (alternate representation)
Species Navicula megalodon (Ehrenberg) Ralfs in Pritchard, 1861 (alternate representation)
Species Navicula mesolepta (W.Smith) Grunow, 1860 (alternate representation)
Species Navicula mesotyla (Ehrenberg) Schmidt, 1876 (alternate representation)
Species Navicula mexicana (Heiden in Schmidt et al.) Mann, 1925 (alternate representation)
Species Navicula micropunctata (H.Germain) H.Kobayasi & T.Nagumo, 1988 (alternate representation)
Species Navicula microstauron (Ehrenberg) Héribaud, 1903 (alternate representation)
Species Navicula minutissima (Cleve) Frenguelli, 1924 (alternate representation)
Species Navicula mirabile (Hustedt) F.W. Mills, 1934 (alternate representation)
Species Navicula muscicola (J.B. Petersen) Cholnoky, 1964 (alternate representation)
Species Navicula mutica (Kützing) Frenguelli, 1924 (alternate representation)
Species Navicula nanissima (Manguin in Bourrelly & Manguin) D. Metzeltin & H. Lange-Bertalot, 2007 (alternate representation)
Species Navicula navicularis (Ehrenberg) Edwards, 1906 (alternate representation)
Species Navicula neapolitana (Rabenhorst) Ralfs in Pritchard, 1861 (alternate representation)
Species Navicula neglecta (Thwaites) Petit, 1877 (alternate representation)
Species Navicula neogradensis (Pantocsek) Cleve, 1895 (alternate representation)
Species Navicula nepouiana (Maillard) Lange-Bertalot & Steindorf in Moser, Steindorf & Lange-Bertalot, 1995 (alternate representation)
Species Navicula nitescens (Gregory) Ralfs, 1861 (alternate representation)
Species Navicula norvegica (Ehrenberg) Kützing, 1844 (alternate representation)
Species Navicula oahuensis (Hustedt) Krammer, 1985 (alternate representation)
Species Navicula oamaruensis (Cleve) Mann, 1907 (alternate representation)
Species Navicula obesa (Greville) Mann, 1925 (alternate representation)
Species Navicula obliqua (Gregory) Cleve, 1891 (alternate representation)
Species Navicula oblongolinearis (Kozlowski) De Toni, 1891 (alternate representation)
Species Navicula obscura (Krasske) F.W.Mills, 1935 (alternate representation)
Species Navicula obtusa (Lagerstedt) Hustedt, 1909 (alternate representation)
Species Navicula oceanica Ralfs in Pritchard, 1861 (alternate representation)
Species Navicula oceanica (Karsten) Frenguelli, 1938 (alternate representation)
Species Navicula okadae (Skvortzov) T.Nagumo & H.Kobayasi, 1990 (alternate representation)
Species Navicula opima (Grunow) Cleve (alternate representation)
Species Navicula oregonica (Ehrenberg) Kützing, 1849 (alternate representation)
Species Navicula ostrearia (Gaillon) Bory, 1824 (alternate representation)
Species Navicula otrantina (Rabenhorst) Ralfs in Pritchard, 1861 (alternate representation)
Species Navicula ovata (Grunow) Schütt, 1896 (alternate representation)
Species Navicula oxylepta (Ehrenberg) De Toni, 1891 (alternate representation)
Species Navicula oxytrachea (Ehrenberg) De Toni, 1891 (alternate representation)
Species Navicula pachycephala (Rabenhorst) Ralfs in Pritchard, 1861 (alternate representation)
Species Navicula pachyptera (Ehrenberg) Kützing, 1844 (alternate representation)
Species Navicula pacifica (Castracane) Mann, 1925 (alternate representation)
Species Navicula parallela (Brun) M.Peragallo, 1903 † (alternate representation)
Species Navicula parvula (Janisch) Schütt, 1896 (alternate representation)
Species Navicula parvula (Kützing) Ehrenberg, 1838 (alternate representation)
Species Navicula passerinii (De Notaris & Baglietto; Rabenhorst) De Toni, 1891 (alternate representation)
Species Navicula paucicostata (Rabenhorst) Prochazka, 1923 (alternate representation)
Species Navicula paulensis (Grunow Ms. in Cleve) Fricke, 1902 (alternate representation)
Species Navicula paulina (Ehrenberg) H.W. Reichardt, 1871 (alternate representation)
Species Navicula peguana (Grunow in Cleve & Möller) Hustedt, 1966 (alternate representation)
Species Navicula pelliculosa (Kützing) Hilse, 1863 (alternate representation)
Species Navicula pellucida (Kützing) Ehrenberg, 1838 (alternate representation)
Species Navicula peracuta (Maillard) Lange-Bertalot & Steindorf in Moser, Steindorf & Lange-Bertalot, 1995 (alternate representation)
Species Navicula permanga (Bailey) A.M. Edwards, 1859 (alternate representation)
Species Navicula perrotettii (Grunow) Grunow, 1877 (alternate representation)
Species Navicula petersii (Ehrenberg) Kützing, 1849 (alternate representation)
Species Navicula phyllodes (Ehrenberg) Ehrenberg, 1854 (alternate representation)
Species Navicula pisciculus (Ehrenberg) Kützing, 1844 (alternate representation)
Species Navicula placenta Ehrenberg, 1854 (alternate representation)
Species Navicula platensis (Frenguelli in Frenguelli & Cordini) Cholnoky, 1964 (alternate representation)
Species Navicula platessa Cleve, 1881 (alternate representation)
Species Navicula platysoma (Ehrenberg) De Toni, 1891 (alternate representation)
Species Navicula plena (O'Meara) De Toni, 1891 (alternate representation)
Species Navicula polygramma sensu Fricke, 1902 (alternate representation)
Species Navicula preissei (Ehrenberg) De Toni, 1891 (alternate representation)
Species Navicula proserpinae (Ehrenberg) Ralfs in Pritchard, 1861 (alternate representation)
Species Navicula pulchra (Østrup) Peragallo, 1897-1908 (alternate representation)
Species Navicula pygmaea (Ehrenberg) Pantocsek, 1902 (alternate representation)
Species Navicula quarnerensis Cleve (alternate representation)
Species Navicula raeana (Castracane) Cleve, 1895 (alternate representation)
Species Navicula rangoonensis (Grunow) Elmore, 1921 (alternate representation)
Species Navicula ranomafanensis (Manguin) D. Metzeltin & H. Lange-Bertalot, 2002 (alternate representation)
Species Navicula recens (Lange-Bertalot) Lange-Bertalot, 1985 (alternate representation)
Species Navicula rectum (Hustedt) F.W. Mills, 1934 (alternate representation)
Species Navicula recurva (Meister) A. Witkowski, H. Lange-Bertalot & D. Metzeltin, 2000 (alternate representation)
Species Navicula reinhardti (Grunow) Grunow, 1880 (alternate representation)
Species Navicula rhaphoneis (Ehrenberg) Ralfs, 1861 (alternate representation)
Species Navicula rhenana (Ehrenberg; Ehrenberg) De Toni, 1891 (alternate representation)
Species Navicula romana (Rabenhorst) Ralfs in Pritchard, 1861 (alternate representation)
Species Navicula rostellatia (Gregory) Schmidt, 1874 (alternate representation)
Species Navicula rotundata (Ehrenberg) De Toni, 1891 (alternate representation)
Species Navicula rugosa (Tempère & Brun) Schütt, 1896 (alternate representation)
Species Navicula rupestris (Hantzsch) Schmidt, 1876 (alternate representation)
Species Navicula sabae (Ehrenberg) De Toni, 1891 (alternate representation)
Species Navicula sagitta (Cleve) Schütt, 1896 (alternate representation)
Species Navicula salina (W.Smith) Schütt, 1896 (alternate representation)
Species Navicula saxonica (Rabenhorst) Lagerstedt, 1873 (alternate representation)
Species Navicula scabriuscula (Cleve & Grove in Cleve) Mereschkowsky, 1902 (alternate representation)
Species Navicula scalaris (Ehrenberg) O'Meara, 1875 (alternate representation)
Species Navicula scandinavica (Lagerstedt) Cleve, 1896 (alternate representation)
Species Navicula schliephackeana (Grunow in litt., Rabenhorst) M. Peragallo, 1903 (alternate representation)
Species Navicula schmidtii (Cleve) Peragallo & Peragallo, 1897 (alternate representation)
Species Navicula schomburgkii (Ehrenberg) Kützing, 1849 (alternate representation)
Species Navicula scopulorioides Hustedt, 1961 (alternate representation, homotypic synonym)
Species Navicula scutellum (O'Meara) O'Meara, 1876 (alternate representation)
Species Navicula semicruciata Schmidt, 1875 † (alternate representation)
Species Navicula semiplena (Gregory in Greville) Donkin, 1871 (alternate representation)
Species Navicula setacea (Kützing) Cleve, 1897 (alternate representation)
Species Navicula signata (Ehrenberg) Ralfs in Pritchard, 1861 (alternate representation)
Species Navicula silesiaca (Bleisch) H.L.Smith, 1876-1888 (alternate representation)
Species Navicula sillimanorum (Ehrenberg) Kützing, 1844 (alternate representation)
Species Navicula sirokiana (Ehrenberg) De Toni, 1891 (alternate representation)
Species Navicula smithii (C.Agardh) Van Heurck, 1896 (alternate representation)
Species Navicula sodiroi (Schaarschmidt) De Toni, 1891 (alternate representation)
Species Navicula stauntonii Grunow, 1882 (alternate representation)
Species Navicula stauroptera (J.W. Bailey) Peragallo & Peragallo, 1897-1908 (alternate representation)
Species Navicula stelligera (Ehrenberg) Kützing, 1849 (alternate representation)
Species Navicula striata (Ehrenberg) De Toni, 1891 (alternate representation)
Species Navicula striatula (Turpin) Ehrenberg, 1832 (alternate representation)
Species Navicula strösei (Østrup) Cleve-Euler, 1922 (alternate representation)
Species Navicula styliformis (Ehrenberg) Ralfs (alternate representation)
Species Navicula subampliata (Grunow in Schmidt et al.) De Toni, 1891 (alternate representation)
Species Navicula subapiculata (Grunow in Cleve & Grunow) Hustedt, 1939 (alternate representation)
Species Navicula subcapitata (Østrup) Cleve-Euler, 1953 (alternate representation)
Species Navicula subcarinata (Grunow ex A.Schmidt) Hendey, 1951 (alternate representation)
Species Navicula subcohaerens (Thwaites) Petit, 1877 (alternate representation)
Species Navicula subconstricta (Ehrenberg) H.W. Reichardt, 1871 (alternate representation)
Species Navicula suborbicularis (Gregory) Donkin, 1870 (alternate representation)
Species Navicula subovalis (Cleve) Mann, 1924 (alternate representation)
Species Navicula subundulata (Grunow) F.W.Mills, 1934 (alternate representation)
Species Navicula sulcata (Cleve) Cleve, 1894 (alternate representation)
Species Navicula taeniata (Ehrenberg) Ralfs in Pritchard, 1861 (alternate representation)
Species Navicula tenellum (Mayer) F.W. Mills, 1934 (alternate representation)
Species Navicula tenuis (Agardh) Cleve-Euler, 1953 (alternate representation)
Species Navicula tenuistriata (Cleve) Ross, 1972 (alternate representation)
Species Navicula thumii (Cleve) Schütt, 1896 (alternate representation)
Species Navicula tibetana (Hustedt) F.W. Mills, 1934 (alternate representation)
Species Navicula torquata (Harvey) Hustedt (alternate representation)
Species Navicula transvaalensis (Cholnoky) Cholnoky, 1966 (alternate representation)
Species Navicula trigonocephala (Cleve) M.Peragallo, 1903 (alternate representation)
Species Navicula trigonocephala (Ehrenberg) Ralfs, 1861 (alternate representation)
Species Navicula tripunctata (O.F.Müller) Bory de Saint-Vincent, 1822 (alternate representation)
Species Navicula troyana (Grunow in Cleve & Möller) Cleve, 1895 (alternate representation)
Species Navicula ulvacea (Berkeley) Cleve, 1894 (alternate representation)
Species Navicula undulata (Grunow) Wolle, 1890 (alternate representation)
Species Navicula upsaliensis (Grunow) Peragallo, 1903 (alternate representation)
Species Navicula utriculus (Ehrenberg) Kützing, 1844 (alternate representation)
Species Navicula variabilis (Heiden & Kolbe) F.W. Mills, 1934 (alternate representation)
Species Navicula venter (Ehrenberg) De Toni, 1891 (alternate representation)
Species Navicula ventricosa (Kützing) F.W.Mills, 1934 (alternate representation)
Species Navicula vespa (Ehrenberg) Ralfs, 1861 (alternate representation)
Species Navicula viridula (Kützing) Ehrenberg, 1836 (alternate representation)
Species Navicula vitrea (Østrup) Hustedt, 1930 (alternate representation)
Species Navicula vitrea (Cleve) Cleve, 1894 (alternate representation)
Species Navicula vittata (Cleve) Hustedt, 1955 (alternate representation)
Species Navicula vulgaris (Thwaites) Petit, 1877 (alternate representation)
Species Navicula wankaremae Cleve, 1883 (alternate representation)
Species Navicula wittrockii (Lagerstedt) Cleve-Euler, 1934 (alternate representation)
Species Navicula woltereckii Hustedt (alternate representation)

Species Navicula abiskoensis Hustedt, 1942 (unaccepted, synonym)
Species Navicula acrosphaeria (Brébisson) Kützing, 1844 (unaccepted, synonym)
Species Navicula adonis J.Brun, 1889 (unaccepted)
Species Navicula aestiva Donkin, 1858 (unaccepted)
Species Navicula alpestris Grunow, 1860 (unaccepted)
Species Navicula alpina (W.Smith.) Grunow, 1860 (unaccepted)
Species Navicula ambigua Ehrenberg, 1843 (unaccepted, basionym)
Species Navicula americana Ehrenberg, 1843 (unaccepted, synonym)
Species Navicula amphiceros Kützing, 1844 (unaccepted, synonym)
Species Navicula amphigomphus Ehrenberg, 1843 (unaccepted, synonym)
Species Navicula amphioxys Kützing, 1844 (unaccepted, basionym)
Species Navicula amphirhynchus Ehrenberg, 1843 (unaccepted, synonym)
Species Navicula ampliata Ehrenberg, 1854 (unaccepted, synonym)
Species Navicula anglica Ralfs, 1861 (unaccepted, synonym)
Species Navicula angustata W.Smith, 1853 (unaccepted)
Species Navicula annulata Grunow, 1880 (unaccepted)
Species Navicula aponina Kützing, 1844 (unaccepted, synonym)
Species Navicula appendiculata (C.Agardh) Kützing, 1844 (unaccepted, synonym)
Species Navicula approximata Greville, 1859 (unaccepted)
Species Navicula atomoides Grunow, 1880 (unaccepted, synonym)
Species Navicula atomus (Kützing) Grunow, 1860 (unaccepted, synonym)
Species Navicula bacillaris Gregory, 1856 (unaccepted)
Species Navicula balnearis Grunow (unaccepted, synonym)
Species Navicula bayleana (unaccepted, mistake)
Species Navicula begeri Krasske, 1932 (unaccepted, synonym)
Species Navicula beyrichiana A.W.F.Schmidt, 1881 (unaccepted, synonym)
Species Navicula bicapitata Lagerstedt, 1873 (unaccepted, basionym)
Species Navicula bioculata Grunow ex A.Schmidt, 1881 (unaccepted, synonym)
Species Navicula bisulcata Lagerstedt, 1873 (unaccepted, synonym)
Species Navicula bivittata Pantocsek, 1889 (unaccepted, synonym)
Species Navicula blanda A.Schmidt, 1874 (unaccepted, synonym)
Species Navicula bogotensis Grunow, 1876 (unaccepted)
Species Navicula bohemica Ehrenberg, 1854 (unaccepted, basionym)
Species Navicula bolleana (Grunow) Cleve (unaccepted)
Species Navicula bombus (Ehrenberg) Kützing, 1849 (unaccepted, synonym)
Species Navicula borealis (Ehrenberg) Kützing, 1844 (unaccepted, synonym)
Species Navicula borrichii J.B.Petersen, 1915 (unaccepted, synonym)
Species Navicula braunii Grunow, 1880 (unaccepted, synonym)
Species Navicula brebissonii Kützing, 1844 (unaccepted, synonym)
Species Navicula brehmioides Hustedt (unaccepted)
Species Navicula brekkaensis J.B.Petersen, 1928 (unaccepted, synonym)
Species Navicula bremeyeri Hustedt, 1939 (unaccepted, synonym)
Species Navicula brevicostata (Cleve) Fricke, 1902 (unaccepted, synonym)
Species Navicula brevis Gregory, 1857 (unaccepted, synonym)
Species Navicula brockmannii Hustedt, 1934 (unaccepted, synonym)
Species Navicula bryophila J.B.Petersen, 1928 (unaccepted, synonym)
Species Navicula bulnheimii Grunow, 1880 (unaccepted, Synonym)
Species Navicula californica Greville, 1859 (unaccepted, synonym)
Species Navicula capitata Ehrenberg, 1838 (unaccepted)
Species Navicula charcotii M.Peragallo (unaccepted, synonym)
Species Navicula charlatii M.Peragallo, 1921 (unaccepted, synonym)
Species Navicula chersonensis Grunow, 1876 (unaccepted)
Species Navicula clamans Hustedt, 1939 (unaccepted, synonym)
Species Navicula clavata Gregory, 1856 (unaccepted, synonym)
Species Navicula claviculus Gregory, 1857 (unaccepted, synonym)
Species Navicula clementis Grunow, 1882 (unaccepted)
Species Navicula cocconeiformis Gregory ex Greville, 1855 (unaccepted, basionym)
Species Navicula coffaeiformis A.W.F.Schmidt, 1874 (unaccepted, basionym)
Species Navicula concilians Cleve, 1895 (unaccepted, synonym)
Species Navicula confervacea (Kützing) Grunow, 1880 (unaccepted, synonym)
Species Navicula constans Hustedt, 1944 (unaccepted)
Species Navicula contenta Grunow, 1885 (unaccepted, synonym)
Species Navicula corrugata Bourrelly & Manguin, 1954 (unaccepted, Transferred to Lecohuia)
Species Navicula costata Kützing, 1844 (unaccepted, synonym)
Species Navicula costulata Grunow, 1880 (unaccepted, synonym)
Species Navicula crabro (Ehrenberg) Kützing, 1849 (unaccepted)
Species Navicula crassinervia Brébisson ex W.Smith, 1853 (unaccepted, synonym)
Species Navicula crispa Krasske, 1951 (unaccepted, unassessed)
Species Navicula crucicula (W.Smith) Donkin, 1871 (unaccepted, synonym)
Species Navicula cruciformis Donkin, 1861 (unaccepted)
Species Navicula crucigera (W.Smith) Cleve, 1894 (unaccepted, synonym)
Species Navicula cuspidata (Kutzing) Kutzing, 1844 (unaccepted, synonym)
Species Navicula cynthia A.Schmidt, 1875 (unaccepted)
Species Navicula dactylus (Ehrenberg) Kützing, 1844 (unaccepted)
Species Navicula dariana A.W.F.Schmidt, 1876 (unaccepted)
Species Navicula decurrens (Ehrenberg) Kützing, 1844 (unaccepted)
Species Navicula densestriata Hustedt, 1922 (unaccepted, synonym)
Species Navicula derasa Grunow, 1880 (unaccepted, basionym)
Species Navicula diluviana Krasske, 1933 (unaccepted, synonym)
Species Navicula disparilis Hustedt, 1964 (unaccepted, synonym)
Species Navicula disterta Hustedt (unaccepted)
Species Navicula divergens A.Schmidt, 1875 (unaccepted, synonym)
Species Navicula dubia Ehrenberg, 1843 (unaccepted, Basionym)
Species Navicula durandii Kitton, 1885 (unaccepted, synonym)
Species Navicula egregia Hustedt, 1942 (unaccepted, synonym)
Species Navicula elegans W.Smith, 1853 (unaccepted, Basionym)
Species Navicula elginensis (W.Gregory) Ralfs, 1861 (unaccepted, Synonym)
Species Navicula elkab Otto Müller, 1900 (unaccepted, synonym)
Species Navicula elsae-thum Pantocsek, 1902 (unaccepted, synonym)
Species Navicula episcopalis (Cleve) Peragallo, 1903 (unaccepted, synonym)
Species Navicula eudoxia A.Schmidt, 1887 (unaccepted, synonym)
Species Navicula excavata Greville, 1866 (unaccepted, synonym)
Species Navicula expansa Hagelstein, 1939 (unaccepted, synonym)
Species Navicula falaisensis Grunow, 1880 (unaccepted, basionym)
Species Navicula falaisiensis Grunow, 1880 (unaccepted, basionym)
Species Navicula fasciata Lagerstedt, 1873 (unaccepted, synonym)
Species Navicula firma Kützing, 1844 (unaccepted, synonym)
Species Navicula flexuosa (Cleve) Peragallo, 1903 † (unaccepted, synonym)
Species Navicula forcipata Greville, 1859 (unaccepted, synonym)
Species Navicula formosa Gregory, 1856 (unaccepted, Synonym)
Species Navicula fossalis Krasske, 1929 (unaccepted, synonym)
Species Navicula fragilarioides Krasske, 1929 (unaccepted, synonym)
Species Navicula fusca (Gregory) Ralfs, 1861 (unaccepted, synonym)
Species Navicula gastrum (Ehrenberg) Kützing, 1844 (unaccepted, Synonym)
Species Navicula gentilis Donkin, 1872 (unaccepted, synonym)
Species Navicula genuistriata Hust., 1942 (unaccepted)
Species Navicula gibba Ehrenberg, 1832 (unaccepted, Basionym)
Species Navicula gibba (Ehrenberg) Kützing, 1844 (unaccepted, synonym)
Species Navicula gibberula Lagerstedt, 1873 (unaccepted, synonym)
Species Navicula gibbosa Hustedt, 1937 (unaccepted, Synonym of Ninastelnikovia gibbosa)
Species Navicula gibbula Cleve, 1894 (unaccepted, synonym)
Species Navicula globiceps (Gregory) Ralfs, 1861 (unaccepted, synonym)
Species Navicula gracilis Ehrenberg, 1832 (unaccepted, synonym)
Species Navicula guatemalensis Cleve & Grove, 1894 (unaccepted, synonym)
Species Navicula halophila (Grunow) Cleve, 1894 (unaccepted, synonym)
Species Navicula hambergii Hustedt, 1924 (unaccepted, synonym)
Species Navicula hartleyana (Greville) H.L.Smith (unaccepted)
Species Navicula hebes Ralfs, 1861 (unaccepted)
Species Navicula helvetica Brun, 1895 (unaccepted, synonym)
Species Navicula hemiptera Kützing, 1844 (unaccepted, synonym)
Species Navicula heufleriana (Grunow) Cleve, 1894 (unaccepted)
Species Navicula hilseana (Janisch) Janisch, 1876 (unaccepted, synonym)
Species Navicula hippocampus Ehrenberg, 1838 (unaccepted, synonym)
Species Navicula hitchcockii Ehrenberg, 1843 (unaccepted, synonym)
Species Navicula howeana Hagelstein, 1939 (unaccepted, synonym)
Species Navicula humerosa Brébisson ex W. Smith, 1856 (unaccepted, Basionym)
Species Navicula hungarica Grunow, 1860 (unaccepted, basionym)
Species Navicula hyalina Donkin, 1861 (unaccepted, synonym)
Species Navicula icostauron (Ehrenberg) O'Meara, 1875 (unaccepted)
Species Navicula incerta Grunow, 1880 (unaccepted, synonym)
Species Navicula inconstans (Mayer) F.W.Mills, 1934 (unaccepted, synonym)
Species Navicula inhalata A.Schmidt, 1874 (unaccepted, synonym)
Species Navicula inserata Hustedt, 1955 (unaccepted, synonym)
Species Navicula insociabilis Krasske, 1932 (unaccepted, synonym)
Species Navicula instabilis A.Schmidt, 1876 (unaccepted)
Species Navicula integra (W.Smith) Ralfs, 1861 (unaccepted, synonym)
Species Navicula intermedia Lagerstedt, 1873 (unaccepted, synonym)
Species Navicula interrupta Kützing, 1844 (unaccepted, basionym)
Species Navicula interrupta (W.Smith) Schmidt, 1876 (unaccepted, synonym)
Species Navicula iridis Ehrenberg, 1843 (unaccepted, Basionym)
Species Navicula irrorata Greville, 1859 (unaccepted)
Species Navicula irroratoides Hustedt, 1964 (unaccepted, synonym)
Species Navicula jaagii Meister, 1935 (unaccepted, synonym)
Species Navicula jamalinensis Cleve, 1880 (unaccepted, synonym)
Species Navicula jelineckii Grunow, 1863 (unaccepted)
Species Navicula lacustris W.Gregory, 1856 (unaccepted, basionym)
Species Navicula laevissima Kützing, 1844 (unaccepted, Basionym)
Species Navicula lagerstedtii Kolbe, 1959 (unaccepted, synonym)
Species Navicula lapidosa Krasske, 1929 (unaccepted, synonym)
Species Navicula latefasciata Grunow (unaccepted)
Species Navicula latevittata (Cleve) Fricke, 1902 † (unaccepted, synonym)
Species Navicula latissima Gregory, 1856 (unaccepted, Basionym)
Species Navicula latiuscula Kützing, 1844 (unaccepted)
Species Navicula liber W.Smith, 1853 (unaccepted, Synonym)
Species Navicula limosa Kützing, 1844 (unaccepted)
Species Navicula lineata Donkin, 1858 (unaccepted)
Species Navicula longiceps Gregory, 1856 (unaccepted, synonym)
Species Navicula lundstroemii Cleve, 1880 (unaccepted, basionym)
Species Navicula luxuriosa Greville, 1863 (unaccepted, synonym)
Species Navicula lyroides Hendey, 1958 (unaccepted, synonym)
Species Navicula major (Kützing) Ehrenberg, 1838 (unaccepted)
Species Navicula marina Ralfs, 1861 (unaccepted, Basionym)
Species Navicula maxima Gregory, 1855 (unaccepted)
Species Navicula mediocris Krasske, 1932 (unaccepted)
Species Navicula meniscus J.Schumann, 1867 (unaccepted, synonym)
Species Navicula mesolepta Ehrenberg, 1843 (unaccepted, Basionym)
Species Navicula minuscula Grunow, 1880 (unaccepted, synonym)
Species Navicula mobiliensis Boyer, 1922 (unaccepted, synonym)
Species Navicula molaris Grunow, 1863 (unaccepted)
Species Navicula monilifera Cleve, 1895 (unaccepted, synonym)
Species Navicula murrayi West & G.S.West (unaccepted, synonym)
Species Navicula musca Gregory, 1857 (unaccepted, synonym)
Species Navicula mutata Krasske, 1929 (unaccepted, synonym)
Species Navicula mutica Kützing, 1844 (unaccepted, synonym)
Species Navicula muticopsis Van Heurck (unaccepted, synonym)
Species Navicula naumanii Hustedt, 1942 (unaccepted)
Species Navicula neoventricosa Hustedt, 1966 (unaccepted, synonym)
Species Navicula nodosa Ehrenberg, 1838 (unaccepted, Basionym)
Species Navicula notabilis Greville, 1863 (unaccepted)
Species Navicula notata M.Peragallo & Héribaud-Joseph, 1893 (unaccepted, synonym)
Species Navicula nyassensis Otto Müller, 1910 (unaccepted, synonym)
Species Navicula oblongella Nägeli ex Kützing, 1849 (unaccepted)
Species Navicula oculata Brébisson, 1854 (unaccepted, basionym)
Species Navicula oestrupi P.Schulz, 1926 (unaccepted)
Species Navicula ostrearia Turpin, 1827 (unaccepted)
Species Navicula ovum-paschale A.Schmidt, 1875 (unaccepted, synonym)
Species Navicula pandura de Brébisson, 1854 (unaccepted)
Species Navicula paramutica Bock, 1962 (unaccepted, synonym)
Species Navicula perfecta Pantoscek, 1886 (unaccepted, synonym)
Species Navicula permagna (Bailey) A.M.Edwards, 1860 (unaccepted)
Species Navicula permagna (Bailey) A.M.Edwards, 1859 (unaccepted, synonym)
Species Navicula perpusilla Grunow, 1860 (unaccepted, synonym)
Species Navicula perrotettii (Grunow) Cleve, 1894 (unaccepted, synonym)
Species Navicula phoenicenteron (Nitzsch) Ehrenberg, 1836 (unaccepted, synonym)
Species Navicula pinnularia Cleve, 1868 (unaccepted)
Species Navicula placentula (Ehrenberg) Kützing, 1844 (unaccepted)
Species Navicula platycephala (Ehrenberg) Cleve & Möller, 1882 (unaccepted, synonym)
Species Navicula poretzkajae Koretkevich, 1959 (unaccepted, synonym)
Species Navicula powelli F.W.Lewis, 1861 (unaccepted, synonym)
Species Navicula producta W.Smith, 1853 (unaccepted, Basionym)
Species Navicula pseudobacillum Grunow, 1880 (unaccepted, synonym)
Species Navicula pseudocomoides Hendey, 1964 (unaccepted, synonym)
Species Navicula pseudopupula Krasske, 1923 (unaccepted, synonym)
Species Navicula pumila Grunow, 1880 (unaccepted, synonym)
Species Navicula punctata (Kützing) Donkin, 1871 (unaccepted, synonym)
Species Navicula pupula Kützing, 1844 (unaccepted, Basionym)
Species Navicula pusilla W.Smith, 1853 (unaccepted, basionym)
Species Navicula pusio Cleve, 1859 (unaccepted, synonym)
Species Navicula quadratarea A.Schmidt, 1874 (unaccepted)
Species Navicula rabenhorstii Grunow, 1860 (unaccepted, synonym)
Species Navicula retusa Brébisson, 1883 (unaccepted, synonym)
Species Navicula rhomboides Ehrenberg, 1843 (unaccepted, basionym)
Species Navicula robertsiana Greville, 1865 (unaccepted, synonym)
Species Navicula rostellata Kützing, 1844 (unaccepted, Basionym)
Species Navicula rostellata Schmidt (unaccepted, synonym)
Species Navicula schoenfeldii Hustedt, 1930 (unaccepted, synonym)
Species Navicula schumanniana Grunow, 1880 (unaccepted)
Species Navicula scopulorum de Brébisson ex Kützing, 1849 (unaccepted)
Species Navicula sculpta Ehrenberg, 1854 (unaccepted, synonym)
Species Navicula scutiformis Grunow ex A.Schmidt et al., 1881 (unaccepted, synonym)
Species Navicula secreta Krasske ex Hustedt, 1934 † (unaccepted, synonym)
Species Navicula semiapproximata Hustedt, 1987 (unaccepted, synonym)
Species Navicula seminulum Grunow, 1860 (unaccepted, Basionym)
Species Navicula serians (Brébisson) Kützing, 1844 (unaccepted, basionym)
Species Navicula similis Krasske, 1929 (unaccepted, synonym)
Species Navicula smithii Brébisson, 1856 (unaccepted, synonym)
Species Navicula soehrensis Krasske, 1923 (unaccepted)
Species Navicula spicula (Hickie) Cleve, 1894 (unaccepted, Synonym)
Species Navicula spitsbergensis (Cleve) Peragallo, 1903 (unaccepted, synonym)
Species Navicula splendida Gregory, 1856 (unaccepted)
Species Navicula stauroptera Grunow, 1860 (unaccepted, synonym)
Species Navicula stodderi (Greenleaf) Cleve, 1894 (unaccepted, synonym)
Species Navicula stomatophora Grunow, 1876 (unaccepted, synonym)
Species Navicula streptoraphe (Cleve) M.Peragallo, 1903 (unaccepted)
Species Navicula stroesei (Østrup) A.Cleve, 1922 (unaccepted, synonym)
Species Navicula subcapitata (Gregory) Ralfs, 1861 (unaccepted, synonym)
Species Navicula subcostulata Hustedt, 1934 (unaccepted, synonym)
Species Navicula subhalophila Hustedt, 1937 (unaccepted, synonym)
Species Navicula subhamulata Grunow, 1880 (unaccepted, basionym)
Species Navicula subsalina Donkin, 1870 (unaccepted, synonym)
Species Navicula subsolaris Grunow, 1882 (unaccepted, synonym)
Species Navicula subula Grunow, 1860 (unaccepted, synonym)
Species Navicula sudetica Hilse, 1860 (unaccepted, synonym)
Species Navicula suecorum Carlson, 1913 (unaccepted, synonym)
Species Navicula taishanica Guo & Xie, 1994 (unaccepted)
Species Navicula tecta Krasske ex Hustedt, 1934 † (unaccepted, synonym)
Species Navicula tenella Brébisson ex Kützing, 1849 (unaccepted, synonym)
Species Navicula terrestris J.B.Petersen, 1915 (unaccepted, synonym)
Species Navicula thermophila Manguin in Bourrelly & Manguin, 1952 (unaccepted, homotypic synonym)
Species Navicula transfuga Grunow ex Cleve, 1883 (unaccepted, synonym)
Species Navicula trevelyana Donkin, 1861 (unaccepted)
Species Navicula trompii Cleve, 1901 (unaccepted)
Species Navicula tumida Brébisson ex Kützing, 1849 (unaccepted, synonym)
Species Navicula tuscula Ehrenberg, 1840 (unaccepted, synonym)
Species Navicula tuscula (Ehrenberg) Grunow (unaccepted, synonym)
Species Navicula tusculoides A.Cleve, 1953 (unaccepted, synonym)
Species Navicula utermoehli Hustedt (unaccepted)
Variety Navicula var. angulosa Gregory, 1856 (unaccepted, basionym)
Variety Navicula var. fonticola Grun. in Van Heurck, 1880 (unaccepted)
Species Navicula variabilis R.Ross, 1947 (unaccepted)
Species Navicula variolata Cleve, 1892 (unaccepted, synonym)
Species Navicula variostriata Krasske, 1923 (unaccepted, basionym)
Species Navicula veneta Kützing, 1844 (unaccepted, synonym)
Species Navicula weissflogi A. Schmidt, 1873 (unaccepted)
Species Navicula wittrockii (Lagerstedt) Tempère & Peragallo, 1909 (unaccepted, synonym)
Species Navicula yarrensis Grunow, 1876 (unaccepted, synonym)
Species Navicula zanzibarica Greville, 1866 (unaccepted, synonym)
Species Navicula zellensis Grunow, 1860 (unaccepted, synonym)

Species Navicula abaujensis Pantocsek, 1889 (unassessed)
Species Navicula abbottii Cholnoky & Claus, 1961 (unassessed)
Species Navicula abbreviata Grunow in Cleve & Grunow, 1880 (unassessed)
Species Navicula abdita Krasske, 1929 (unassessed)
Species Navicula abdita E.Manguin, 1952 (unassessed)
Species Navicula abducta Manguin, 1952 (unassessed)
Species Navicula abelioensis Foged, 1966 (unassessed)
Species Navicula aberrans Cleve-Euler, 1953 (unassessed)
Species Navicula aberrans Simonsen, 1960 (unassessed)
Species Navicula abica Carter, 1966 (unassessed)
Species Navicula abnormalis De Toni, 1891 (unassessed)
Species Navicula abnormis Castracane, 1886 (unassessed)
Species Navicula abnormis Grunow in Cleve & Möller, 1878 (unassessed)
Species Navicula abnormis Grunow, 1880 (unassessed)
Species Navicula abonuensis Foged, 1966 (unassessed)
Species Navicula abraensis Foged, 1966 (unassessed)
Species Navicula abruptoides Hustedt, 1964 (unassessed)
Species Navicula abscondita Hustedt, 1939 (unassessed)
Species Navicula absoluta Hustedt, 1950 (unassessed)
Species Navicula abstrusa Hustedt, 1939 (unassessed)
Species Navicula abuensis Foged, 1966 (unassessed)
Species Navicula abunda Hustedt, 1955 (unassessed)
Species Navicula abundoides Cholnoky, 1963 (unassessed)
Species Navicula abyssinica Grunow, 1886 (unassessed)
Species Navicula acacia Harting, 1852 (unassessed)
Species Navicula accedens Hustedt, 1954 (unassessed)
Species Navicula acceptata Hustedt, 1950 † (unassessed)
Species Navicula acceptata sensu Foged, 1962 (unassessed)
Species Navicula accommoda Hustedt in Messikommer, 1950 (unassessed)
Species Navicula accomoda sensu Foged, 1958 (unassessed)
Species Navicula accurata Hustedt, 1950 (unassessed)
Species Navicula acephala Héribaud, 1903 (unassessed)
Species Navicula acephala Schoeman, 1973 (unassessed)
Species Navicula achnanthoides Østrup, 1902 (unassessed)
Species Navicula achnanthoides Skvortzow, 1936 (unassessed)
Species Navicula achthera M.H.Hohn & Hellerman, 1963 (unassessed)
Species Navicula acidobionta Lange-Bertalot in Lange-Bertalot & Krammer, 1989 (unassessed)
Species Navicula acidobiontica T.Wanatabe, 2004 (unassessed)
Species Navicula acidophila Cholnoky, 1958 (unassessed)
Species Navicula acnjnjnjus Ehrenberg, 1835 (unassessed)
Species Navicula acrosphaeria A.Schmidt, 1875 (unassessed)
Species Navicula actinota Andrews, 1970 (unassessed)
Species Navicula acuminata sensu Wolle, 1890 (unassessed)
Species Navicula acus Cleve in Cleve & Grunow, 1880 (unassessed)
Species Navicula acuta Skvortzov, 1937 (unassessed)
Species Navicula acuta Meister, 1934 (1935) (unassessed)
Species Navicula acuta Kützing, 1844 (unassessed)
Species Navicula acuta Schütt, 1896 (unassessed)
Species Navicula acuta Bory, 1822 (unassessed)
Species Navicula acuta Meister, 1919 (unassessed)
Species Navicula acuticuneata D. Metzeltin, H. Lange-Bertalot & F. García-Rodríguez, 2005 (unassessed)
Species Navicula acuticuneatula D. Metzeltin, H. Lange-Bertalot & F. García-Rodríguez, 2005 (unassessed)
Species Navicula acutirostris Hustedt, 1944 (unassessed)
Species Navicula acutissima Hustedt in Schmidt et al., 1934 (unassessed)
Species Navicula adamata Hustedt, 1952 (unassessed)
Species Navicula adami Pantocsek, 1902 (unassessed)
Species Navicula adampeensis Foged, 1966 (unassessed)
Species Navicula adamsii Cholnoky, 1965 (unassessed)
Species Navicula addaae Pantocsek, 1903 (unassessed)
Species Navicula addicta Hustedt, 1966 (unassessed)
Species Navicula adhaerens Mereschkovsky, 1901 (unassessed)
Species Navicula admenda M.H.Hohn & Hellerman, 1963 (unassessed)
Species Navicula adminii D. Roberts & A. McMinn, 1999 (unassessed)
Species Navicula admissa Hustedt, 1955 (unassessed)
Species Navicula adnata Hustedt, 1937 (unassessed)
Species Navicula adnatoides Cholnoky, 1963 (unassessed)
Species Navicula adnatus Heiden & Kolbe, 1928 (unassessed)
Species Navicula adriatica Grunow, 1860 (unassessed)
Species Navicula adsidua Archibald, 1971 (unassessed)
Species Navicula adumbrata Cholnoky, 1961 (unassessed)
Species Navicula adumbrata M.H.Hohn & Hellerman, 1963 (unassessed)
Species Navicula adversa Krasske, 1938 (unassessed)
Species Navicula adversatrix Pantocsek, 1913 (unassessed)
Species Navicula aedifex Pantocsek, 1913 (unassessed)
Species Navicula aegyptiaca De Toni, 1891 (unassessed)
Species Navicula aegyptica Salah, 1955 (unassessed)
Species Navicula aemilia Forti, 1913 (unassessed)
Species Navicula aequatorialis Heiden in Heiden & Kolbe, 1928 (unassessed)
Species Navicula aequinoctialis Montagne, 1850 (unassessed)
Species Navicula aequorea Hustedt, 1939 (unassessed)
Species Navicula aerophila Krasske, 1932 (unassessed)
Species Navicula aestimata Hustedt, 1964 (unassessed)
Species Navicula aestuarii Brébisson ex Kützing, 1849 (unassessed)
Species Navicula aestuarii Cleve (unassessed)
Species Navicula affinis Ehrenberg, 1843 (unassessed)
Species Navicula affinis sensu Gregory, 1854 (unassessed)
Species Navicula affinis sensu W. Smith, 1853 (unassessed)
Species Navicula affirmata Leuduger-Fortmorel, 1879 (unassessed)
Species Navicula africana Ehrenberg, 1839 (unassessed)
Species Navicula africana Hustedt, 1910 (unassessed)
Species Navicula africana Petit, 1876 (unassessed)
Species Navicula afroalpina Gasse, 1978 (unassessed)
Species Navicula agatkae Witkowski (unassessed)
Species Navicula agellus Ehrenberg, 1840 (unassessed)
Species Navicula aggerica E.Reichardt, 1982 (unassessed)
Species Navicula aggesta Hustedt, 1966 (unassessed)
Species Navicula aglaos Hohn, 1966 (unassessed)
Species Navicula agma M.H.Hohn & Hellerman, 1963 (unassessed)
Species Navicula agmastriata Hohn & Hellerman, 1966 (unassessed)
Species Navicula agnewii Cholnoky, 1962 (unassessed)
Species Navicula agnita Hustedt, 1955 (unassessed)
Species Navicula agnita Hustedt, 1966 (unassessed)
Species Navicula agrestiformis H.P. Gandhi, 1998 (unassessed)
Species Navicula agrestis Hustedt, 1936 (unassessed)
Species Navicula agulhasica Cholnoky, 1959 (unassessed)
Species Navicula ahmedabadensis VanLandingham, 1975 (unassessed)
Species Navicula aikenensis Patrick, 1959 (unassessed)
Species Navicula airdevronsixii D.E. Kellogg, M. Stuiver, T.B. Kellogg & G.H. Denton, 1980 (unassessed)
Species Navicula ajajensis Skabichevskii, 1936 (unassessed)
Species Navicula ajenaensis Foged, 1966 (unassessed)
Species Navicula akebergii (unassessed)
Species Navicula aketechiensis Foged, 1966 (unassessed)
Species Navicula akimensis Foged, 1966 (unassessed)
Species Navicula aktinoides Skuja, 1937 (unassessed)
Species Navicula alandica (unassessed)
Species Navicula alaskana Patrick & Freese, 1961 (unassessed)
Species Navicula alata Cleve in Cleve & Moller, 1882 (unassessed)
Species Navicula albanica Krenner, 1926 (unassessed)
Species Navicula albinensis Grunow, 1884 (unassessed)
Species Navicula albinensis sensu Cleve-Euler, 1939 (unassessed)
Species Navicula alea M.H.Hohn & Hellerman, 1963 (unassessed)
Species Navicula aleemi Hustedt in Hustedt & Aleem, 1951 (unassessed)
Species Navicula algeriensis Montagne, 1846 (unassessed)
Species Navicula algida Grunow, 1884 (unassessed)
Species Navicula algor M.H.Hohn & Hellerman, 1963 (unassessed)
Species Navicula aliena Krasske, 1938 (unassessed)
Species Navicula allista Hohn & Hellerman, 1966 (unassessed)
Species Navicula allorgei É.Manguin, 1952 (unassessed)
Species Navicula alluviana Heiden, 1900 (unassessed)
Species Navicula alpha Cleve, 1893 (unassessed)
Species Navicula alpha Cholnoky, 1955 (unassessed)
Species Navicula alpha Heinzerling, 1908 (unassessed)
Species Navicula alternans Schumann, 1867 (unassessed)
Species Navicula alterofasciata Kooijman, 1982 (unassessed)
Species Navicula altiplanensis U.Rumrich & Lange-Bertalot (unassessed)
Species Navicula amabilis Hustedt, 1966 (unassessed)
Species Navicula ambigua sensu Pantocsek, 1902 (unassessed)
Species Navicula ambigua Smith in A. Schmidt, 1897 (unassessed)
Species Navicula americana F.W. Mills, 1934 (unassessed)
Species Navicula amerinda Carter, 1966 (unassessed)
Species Navicula amica Cleve & Grunow in Cleve, 1881 (unassessed)
Species Navicula amici E.M. Nelson, 1910 (unassessed)
Species Navicula amicii J.W. Bailey, 1851 (unassessed)
Species Navicula amicii E.M. Nelson, 1911 (unassessed)
Species Navicula amicorum Grunow (unassessed)
Species Navicula amnicola M.H.Hohn & Hellerman, 1963 (unassessed)
Species Navicula amoena Cleve manuscript in Cleve, 1894 (unassessed)
Species Navicula amoena Manguin ex Kociolek & Reviers, 1996 (unassessed)
Species Navicula amoenaeformis Manguin, 1964 (unassessed)
Species Navicula amphibia Jousé, 1939 (unassessed)
Species Navicula amphiceropsis Lange-Bertalot & Rumrich, 2000 (unassessed)
Species Navicula amphilepta Ehrenberg, 1857 (unassessed)
Species Navicula amphioxys Ehrenberg, 1843 (unassessed)
Species Navicula amphioxys sensu Kützing, 1844 (unassessed)
Species Navicula amphioxys sensu Westendorp, 1845-1859 (unassessed)
Species Navicula amphipleuroides Hustedt, 1955 (unassessed)
Species Navicula amphirrhina Ehrenberg, 1842 (unassessed)
Species Navicula amphirynchus sensu Donkin, 1871 (unassessed)
Species Navicula amphisbaena Bory de Saint Vincent, 1824 (unassessed)
Species Navicula amphisbaena sensu W. Smith, 1853 (unassessed)
Species Navicula amphisphenia Ehrenberg, 1843 (unassessed)
Species Navicula amphora Ehrenberg, 1832 (unassessed)
Species Navicula amphora Brun, 1891 (unassessed)
Species Navicula amphoroides O'Meara, 1867 (unassessed)
Species Navicula amplectens Hustedt in Schmidt et al., 1934 (unassessed)
Species Navicula amygdalina Hustedt in Schmidt et al., 1936 (unassessed)
Species Navicula anassae Cholnoky, 1957 (unassessed)
Species Navicula anatis Hohn & Hellerman, 1963 (unassessed)
Species Navicula anca J.R.Carter, 1964 (unassessed)
Species Navicula ancilla Hendey, 1964 (unassessed)
Species Navicula ancisa Hustedt, 1953 (unassessed)
Species Navicula ancora Weisse in Eichwald, 1844 (unassessed)
Species Navicula ancyli Fontell in manus. Cleve-Euler, 1953 (unassessed)
Species Navicula anderabensis Foged, 1959 (unassessed)
Species Navicula anderssonii Cleve, 1881 (unassessed)
Species Navicula andesitica Pantocsek, 1889 (unassessed)
Species Navicula andium Frenguelli, 1942 (unassessed)
Species Navicula andranokelyna Manguin, 1949 (unassessed)
Species Navicula andrussowii Pantocsek, 1902 (unassessed)
Species Navicula anenuta Fusey, 1953 (unassessed)
Species Navicula angelorum Cleve (unassessed)
Species Navicula angleana Lauby, 1910 (unassessed)
Species Navicula anglica sensu Donkin, 1871 (unassessed)
Species Navicula anglophila Lange-Bertalot, 1987 (unassessed)
Species Navicula angolensis Cholnoky, 1966 (unassessed)
Species Navicula angulata Quekett, 1848 (unassessed)
Species Navicula angulosa sensu Cleve-Euler, 1915 (unassessed)
Species Navicula angusta Grunow, 1860 (unassessed)
Species Navicula angustata Ehrenberg, 1842 (unassessed)
Species Navicula angustata Ehrenberg, 1843 (unassessed)
Species Navicula angustefasciata Østrup, 1920 (unassessed)
Species Navicula angustissima Hustedt in Schmidt et al., 1934 (unassessed)
Species Navicula ankobraensis Foged, 1966 (unassessed)
Species Navicula anna Hendey, 1973 (unassessed)
Species Navicula annexa Hustedt, 1966 (unassessed)
Species Navicula anopaia Cholnoky, 1961 (unassessed)
Species Navicula antarctica Frenguelli, 1960 (unassessed)
Species Navicula antarctica Karsten, 1905 (unassessed)
Species Navicula antediluviana Hustedt, 1955 † (unassessed)
Species Navicula anthracis Cleve & Brun in Brun & Tempère, 1889 (unassessed)
Species Navicula antinitescens M.Peragallo, 1908 (unassessed)
Species Navicula antiqua Cleve-Euler, 1932 (unassessed)
Species Navicula antiqua Skvortzow, 1937 (unassessed)
Species Navicula antiqua Grunow in Cleve & Möller, 1878 (unassessed)
Species Navicula antiqua Schmidt ex Cleve & Möller, 1879 (unassessed)
Species Navicula antonii Lange-Bertalot, 2000 (unassessed)
Species Navicula aoboensis (unassessed)
Species Navicula aokebergii Cleve-Euler, 1953 (unassessed)
Species Navicula aperta Schumann, 1867 (unassessed)
Species Navicula aperta Guermeur, 1954 (unassessed)
Species Navicula aperta Frenguelli, 1923 (unassessed)
Species Navicula apiculata Cleve-Euler, 1949 (unassessed)
Species Navicula apiculata sensu Gregory, 1856 (unassessed)
Species Navicula apiculata sensu Donkin, 1871 (unassessed)
Species Navicula apiculatoreinhardtii M.B.Edlund & N.Soninkhishig, 2009 (unassessed)
Species Navicula apis sensu Donkin, 1871 (unassessed)
Species Navicula apis sensu Schmidt, 1872 (unassessed)
Species Navicula appendiculata sensu Pantocsek, 1892 (unassessed)
Species Navicula appendiculata Rabenhorst, 1853 (unassessed)
Species Navicula applanata Hustedt, 1964 (unassessed)
Species Navicula applicitoides Hustedt, 1964 (unassessed)
Species Navicula apposita Hustedt, 1954 (unassessed)
Species Navicula approximata sensu Hendey, 1958 (unassessed)
Species Navicula approximatoides Hustedt, 1987 (unassessed)
Species Navicula apsteinii Pantocsek, 1902 (unassessed)
Species Navicula apta Hustedt, 1955 (unassessed)
Species Navicula aquaeductae (Krasske) Krasske, 1925 (unassessed)
Species Navicula aquaeducti (unassessed)
Species Navicula aquaedurae Lange-Bertalot, 1993 (unassessed)
Species Navicula aquintaniae (unassessed)
Species Navicula aquosa Archibald, 1966 (unassessed)
Species Navicula arabica Grunow ex A.Schmidt, 1875 (unassessed)
Species Navicula aradina Pantocsek, 1892 (unassessed)
Species Navicula arata Grunow, 1882 † (unassessed)
Species Navicula arata sensu Hustedt, 1937 (unassessed)
Species Navicula arata sensu Cleve-Euler in Backman & Cleve-Euler, 1922 (unassessed)
Species Navicula araucaniana Frenguelli, 1934 (unassessed)
Species Navicula arcana Pantocsek, 1913 (unassessed)
Species Navicula archeriana O'Meara, 1874 (unassessed)
Species Navicula archibaldiana Foged, 1975 (unassessed)
Species Navicula arctica Cleve, 1873 (unassessed)
Species Navicula arctissima Schmidt (unassessed)
Species Navicula arctotenelloides Lange-Bertalot & Metzeltin, 1996 (unassessed)
Species Navicula arcuata Heiden, 1928 (unassessed)
Species Navicula arcuata Pantocsek, 1892 † (unassessed)
Species Navicula arcus Ehrenberg, 1836 (unassessed)
Species Navicula ardis Hohn, 1966 (unassessed)
Species Navicula ardua Mann, 1907 (unassessed)
Species Navicula arenaria Donkin, 1861 (unassessed)
Species Navicula arenariaeformis Pantocsek, 1889 (unassessed)
Species Navicula arenicola sensu Cleve-Euler in Backman & Cleve-Euler, 1922 (unassessed)
Species Navicula arenosa Lauby, 1909 (unassessed)
Species Navicula arenula M.H.Hohn & Hellerman, 1963 (unassessed)
Species Navicula areolata Hustedt, 1952 (unassessed)
Species Navicula areschougiana Grunow (unassessed)
Species Navicula argestris Hustedt, 1937 (unassessed)
Species Navicula arguens Skvortzow, 1937 (unassessed)
Species Navicula argunensis Skvortzow, 1938 (unassessed)
Species Navicula argutiola M.H.Hohn & Hellerman, 1963 (unassessed)
Species Navicula argutula Hustedt, 1955 (unassessed)
Species Navicula arida Bock, 1963 (unassessed)
Species Navicula ariiensis H.Okuno, 1952 † (unassessed)
Species Navicula arkona Lange-Bertalot & Witkowski, 2001 † (unassessed)
Species Navicula armata J.R.Carter, 1964 (unassessed)
Species Navicula armoricana Amossé, 1932 (unassessed)
Species Navicula arraniensis O’Meara, 1875 (unassessed)
Species Navicula artemidis Cholnoky, 1957 (unassessed)
Species Navicula artificiosa Heiden in Heiden & Kolbe, 1928 (unassessed)
Species Navicula arvensiformis Carter, 1970 (unassessed)
Species Navicula arvensis Hustedt, 1937 (unassessed)
Species Navicula arvensoides Hustedt, 1945 (unassessed)
Species Navicula asanwinsoensis Foged, 1966 (unassessed)
Species Navicula asellus Weinhold ex Hustedt, 1934 (unassessed)
Species Navicula ashantiensis Foged, 1966 (unassessed)
Species Navicula asiatica Meister, 1934 (1935) (unassessed)
Species Navicula asklepieionensis Foged, 1982 (unassessed)
Species Navicula aspeitiaae Pantocsek, 1913 (unassessed)
Species Navicula aspera Ehrenberg, 1840 (unassessed)
Species Navicula aspera sensu Donkin, 1872 (unassessed)
Species Navicula aspera sensu Schmidt in Schmidt et al., 1876 (unassessed)
Species Navicula aspergilla Carter & Denny, 1992 (unassessed)
Species Navicula aspersa Hustedt, 1966 (unassessed)
Species Navicula associata Lange-Bertalot, 2001 † (unassessed)
Species Navicula assula Cholnoky, 1963 (unassessed)
Species Navicula assuloides Giffen, 1973 (unassessed)
Species Navicula astrolabensis Hendey, 1937 (unassessed)
Species Navicula astutus Fontell in manus., Cleve-Euler, 1953 (unassessed)
Species Navicula asymbasia M.H.Hohn & Hellerman, 1963 (unassessed)
Species Navicula asymetrica Pantocsek, 1892 (unassessed)
Species Navicula asymmetrica Cleve, 1883 (unassessed)
Species Navicula atacamae Hustedt, 1927 (unassessed)
Species Navicula atacamana Patrick, 1961 (unassessed)
Species Navicula atalos Hohn, 1966 (unassessed)
Species Navicula atasensis Simonsen, 1987 (unassessed)
Species Navicula athenae A. Witkowski, H. Lange-Bertalot & D. Metzeltin, 2000 (unassessed)
Species Navicula atomarius Skvortzow, 1936 (unassessed)
Species Navicula atomus sensu Schumann, 1864 (unassessed)
Species Navicula atomus sensu Boye Petersen, 1915 (unassessed)
Species Navicula attwoodii M. Peragallo in Tempère & Peragallo, 1908 (unassessed)
Species Navicula atwateri Seddon, Witkowski & Hemphill-Haley, 2011 (unassessed)
Species Navicula aubertii Héribaud in Héribaud et al., 1920 (unassessed)
Species Navicula aucklandica Grunow, 1863 (unassessed)
Species Navicula aueri Krasske, 1949 (unassessed)
Species Navicula augustissima Hustedt, 1935 (unassessed)
Species Navicula aulacophaena Ehrenberg, 1854 (unassessed)
Species Navicula aurangabadensis Sarode & Kamat, 1984 (unassessed)
Species Navicula aurantiaca Schoeman, 1973 (unassessed)
Species Navicula auriculata Hustedt, 1944 (unassessed)
Species Navicula aurora Sovereign, 1958 (unassessed)
Species Navicula australoceanica A.Witkowski, C.Riaux-Gobin & G.Daniszewska-Kowalczyk, 2010 (unassessed)
Species Navicula australomediocris Lange-Bertalot & R.Schmidt, 1990 (unassessed)
Species Navicula australoshetlandica Van de Vijver, 2011 (unassessed)
Species Navicula austrocollegarum Lange-Bertalot & R.Voigt, 2001 (unassessed)
Species Navicula austroshetlandica Carlson, 1913 (unassessed)
Species Navicula avenacea sensu Pantocsek, 1902 (unassessed)
Species Navicula avenaceoides Gandhi (unassessed)
Species Navicula avonensis Round, 1966 (unassessed)
Species Navicula baardsethii Cleve-Euler, 1949 (unassessed)
Species Navicula baccata Brun in Brun & Tempère, 1889 (unassessed)
Species Navicula bachmannii Hustedt, 1961 (unassessed)
Species Navicula bacillifera Pantocsek, 1889 (unassessed)
Species Navicula bacilloides Hustedt, 1945 (unassessed)
Species Navicula bacillum Ehrenberg, 1839 (unassessed)
Species Navicula bacillum sensu Gregory, 1856 (unassessed)
Species Navicula bacterium Frenguelli, 1923 (unassessed)
Species Navicula bacula M.H.Hohn & Hellerman, 1963 (unassessed)
Species Navicula baculus Cleve, 1883 (unassessed)
Species Navicula baddensis Gasse, 1978 (unassessed)
Species Navicula bahiensis Zimmermann, 1918 (unassessed)
Species Navicula bahuensoides Foged, 1975 (unassessed)
Species Navicula bahusiensis sensu Ostrup, 1895 (unassessed)
Species Navicula bahusiensis sensu Cleve-Euler, 1915 (unassessed)
Species Navicula baicalensis Skvortzov & Meyer, 1928 (unassessed)
Species Navicula baileyana Grunow ex A.Schmidt, 1874 (unassessed)
Species Navicula baileyensis Grunow in Cleve & Möller, 1879 (unassessed)
Species Navicula baileyi Ehrenberg (unassessed)
Species Navicula baileyi Cholnoky, 1968 (unassessed)
Species Navicula bainii Cholnoky, 1962 (unassessed)
Species Navicula bakiana A.Witkowski & Lange-Bertalot, 2009 (unassessed)
Species Navicula balatonis Pantocsek, 1902 (unassessed)
Species Navicula balcanica Hustedt in Schmidt et al., 1934 (unassessed)
Species Navicula baldjickiensis Heiden, 1905 (unassessed)
Species Navicula baleyana (unassessed)
Species Navicula balliformis Mereschkowsky, 1903 (unassessed)
Species Navicula baltica Ehrenberg, 1838 (unassessed)
Species Navicula baltica Grunow in A. Schmidt, 1874 (unassessed)
Species Navicula bamboiensis Foged, 1966 (unassessed)
Species Navicula bannajensis Boye Petersen, 1946 (unassessed)
Species Navicula bansoensis Foged, 1966 (unassessed)
Species Navicula barbadense Vickers, 1905 (unassessed)
Species Navicula barbara Heiden, 1928 (unassessed)
Species Navicula barbarica Hustedt, 1949 (unassessed)
Species Navicula barberi Hendey, 1964 (unassessed)
Species Navicula barberiana Foged, 1979 (unassessed)
Species Navicula barbitos A.Schmidt, 1888 (unassessed)
Species Navicula barentsii Foged, 1964 (unassessed)
Species Navicula barkeriana O’Meara, 1875 (unassessed)
Species Navicula barodensis H.P. Gandhi, 1998 (unassessed)
Species Navicula barrowiana Patrick & Freese, 1961 (unassessed)
Species Navicula bartholomei Cleve, 1878 (unassessed)
Species Navicula basaltaeformis (unassessed)
Species Navicula basaltaeproxima J.Brun & Héribaud-Joseph (unassessed)
Species Navicula basilica Brun, 1891 (unassessed)
Species Navicula basilica Pantocsek, 1892 (unassessed)
Species Navicula bastianii M.Peragallo, 1909 (unassessed)
Species Navicula bastowii Hustedt, 1955 (unassessed)
Species Navicula bawdiaensis Foged, 1966 (unassessed)
Species Navicula bdesma Hohn, 1961 (unassessed)
Species Navicula beaufortiana Hustedt, 1955 (unassessed)
Species Navicula beccariana Grunow, 1886 (unassessed)
Species Navicula beckii Pantocsek, 1889 (unassessed)
Species Navicula beketowii Mereschkowsky, 1902 (unassessed)
Species Navicula bella Hustedt, 1937 (unassessed)
Species Navicula bella Karajeva, 1964 (unassessed)
Species Navicula bellatii Frenguelli, 1953 (unassessed)
Species Navicula belliatula Archibald, 1971 (unassessed)
Species Navicula bellissima Hustedt, 1966 (unassessed)
Species Navicula bendaensis Schrader & Fenner, 1976 (unassessed)
Species Navicula bengalensis Grunow in Schmidt et al., 1875 (unassessed)
Species Navicula bergenensis Hohn, 1952 (unassessed)
Species Navicula bergeni Hohn, 1952 (unassessed)
Species Navicula bergeri (unassessed)
Species Navicula bergii Cleve-Euler, 1953 (unassessed)
Species Navicula berriati Héribaud-Joseph (unassessed)
Species Navicula bertelsenii Foged, 1966 (unassessed)
Species Navicula bertrandi Lauby, 1910 (unassessed)
Species Navicula besarensis Giffen, 1980 (unassessed)
Species Navicula beta Cleve, 1895 (unassessed)
Species Navicula biaculeata Cleve-Euler, 1949 (unassessed)
Species Navicula biagnita Simonsen, 1987 (unassessed)
Species Navicula biakensis Cholnoky, 1963 (unassessed)
Species Navicula bialbata H. Peragallo & M. Peragallo, 1898 (unassessed)
Species Navicula biblos Cleve, 1891 (unassessed)
Species Navicula bicapitata O'Meara, 1875 (unassessed)
Species Navicula bicapitata Hajós, 1959 (unassessed)
Species Navicula bicapitata sensu G.S. West, 1909 (unassessed)
Species Navicula bicapitata Heiden & Kolbe, 1928 (unassessed)
Species Navicula bicapitata Jousé, 1936 (unassessed)
Species Navicula bicapitellata Hustedt, 1925 (unassessed)
Species Navicula bicarinata Ehrenberg (unassessed)
Species Navicula bicephala Hustedt, 1952 (unassessed)
Species Navicula bicephaloides Van de Vijver & Zidarova, 2011 (unassessed)
Species Navicula biceps Bory, 1827 (unassessed)
Species Navicula biceps sensu Schmidt in Schmidt et al., 1876 (unassessed)
Species Navicula biceps sensu Schmidt in Schmidt et al., 1876 (unassessed)
Species Navicula biceps sensu Schmidt in Schmidt et al., 1877 (unassessed)
Species Navicula biclavata Cleve & Grove, 1891 (unassessed)
Species Navicula biconfusa VanLandingham, 1975 (unassessed)
Species Navicula biconica Patrick, 1959 (unassessed)
Species Navicula biconifera Morren, 1835 (unassessed)
Species Navicula biconstricta Grove & Sturt, 1887 (unassessed)
Species Navicula bicontracta Østrup, 1902 (unassessed)
Species Navicula bicontracta sensu Hustedt, 1930 (unassessed)
Species Navicula bicuneata Grunow, 1860 (unassessed)
Species Navicula bicuneolus Metzeltin & Lange-Bertalot, 1998 (unassessed)
Species Navicula bicurvata De Toni, 1891 (unassessed)
Species Navicula bicuspidata Cleve & Grunow in Cleve, 1881 (unassessed)
Species Navicula biddulphioides Hustedt, 1966 (unassessed)
Species Navicula bievexa Hohn, 1961 (unassessed)
Species Navicula bifax Hohn & Hellerman, 1966 (unassessed)
Species Navicula bifissa Schmidt in Schmidt et al., 1897 (unassessed)
Species Navicula bifrons Ehrenberg, 1833 (unassessed)
Species Navicula bifurcatula Hustedt, 1964 (unassessed)
Species Navicula bigemmata Mann, 1925 (unassessed)
Species Navicula biglobosa Schumann, 1867 (unassessed)
Species Navicula bihastata A.Mann, 1924 (unassessed)
Species Navicula bilineata Schumann, 1862 (unassessed)
Species Navicula bilobata Leuduger-Fortmorel, 1879 (unassessed)
Species Navicula bimaculata Pantocsek, 1889 (unassessed)
Species Navicula binaria Schmidt in Schmidt et al., 1875 (unassessed)
Species Navicula binocularis Smejev, 1872 (unassessed)
Species Navicula binodis Ehrenberg, 1840 (unassessed)
Species Navicula binodulosa Sullivan & Reimer, 1975 (unassessed)
Species Navicula bintila Carter & Denny, 1982 (unassessed)
Species Navicula binziana T.Marsson, 1900 (unassessed)
Species Navicula bipatens Heiden, 1906 (unassessed)
Species Navicula bipectinalis Schumann, 1867 (unassessed)
Species Navicula bipennata (unassessed)
Species Navicula bipodis (unassessed)
Species Navicula bipunctata Bory, 1827 (unassessed)
Species Navicula bipunctata O'Meara, 1872 (unassessed)
Species Navicula bipunctata Grunow in Van Heurck, 1880 (unassessed)
Species Navicula bipustulata Mann, 1925 (unassessed)
Species Navicula birhis Hohn, 1961 (unassessed)
Species Navicula birostrata Gregory, 1855 (unassessed)
Species Navicula biscalaris Brebisson in litt., Janisch ex W. Smith, 1856 (unassessed)
Species Navicula biseriata Petit, 1877 (unassessed)
Species Navicula biseriata Brockmann, 1952 (unassessed)
Species Navicula bishti Singh, Nautiyal & Vimal, 1976 (unassessed)
Species Navicula biskanteri Hustedt, 1939 (unassessed)
Species Navicula bita Hohn, 1961 (unassessed)
Species Navicula bitruncata Turpin, 1816-1830 (unassessed)
Species Navicula bituminosa Pantocsek (unassessed)
Species Navicula bjoernoeyaensis D.Metzeltin, A.Witkowski & Lange-Bertalot, 1996 (unassessed)
Species Navicula blasii Frenguelli, 1938 (unassessed)
Species Navicula blazencicae Z. Levkov & S. Krstic in Levkov, Krstic, Metzeltin & Nakov, 2007 (unassessed)
Species Navicula bleischiana Janisch & Rabenhorst, 1863 (unassessed)
Species Navicula bleischii Janisch in Schmidt et al., 1877 (unassessed)
Species Navicula blessingii Gran, 1900 (unassessed)
Species Navicula blotii Héribaud in Héribaud et al., 1920 (unassessed)
Species Navicula bodosensis Pantocsek (unassessed)
Species Navicula boergesenii Østrup, 1913 (unassessed)
Species Navicula bombiformis Leuduger-Fortmorel, 1892 (unassessed)
Species Navicula bomboides A.W.F.Schmidt, 1874 (unassessed)
Species Navicula bombus Donkin, 1872 (unassessed)
Species Navicula bongrainii M. Peragallo, 1921 (unassessed)
Species Navicula bonnieri Lauby, 1910 (unassessed)
Species Navicula borbassii Pantocsek, 1902 (unassessed)
Species Navicula borgesenii Østrup, 1913 (unassessed)
Species Navicula borinquensis Hagelstein, 1939 (unassessed)
Species Navicula borneoensis Hustedt, 1966 (unassessed)
Species Navicula borowkae A. Witkowski, H. Lange-Bertalot & D. Metzeltin, 2000 (unassessed)
Species Navicula borscowii Mereschkowsky, 1902 (unassessed)
Species Navicula borussica Cleve in Grunow, 1882 (unassessed)
Species Navicula boryana Pantocsek, 1889 (unassessed)
Species Navicula boseana Skvortzov (unassessed)
Species Navicula bossvikensis S. Busse & P. Snoeijs, 2002 (unassessed)
Species Navicula bosumtwiensis Foged, 1966 (unassessed)
Species Navicula botteriana Grunow (unassessed)
Species Navicula bottnica Grunow, 1880 (unassessed)
Species Navicula boudetii M. Peragallo, 1921 (unassessed)
Species Navicula bouhardi Héribaud, 1902 (unassessed)
Species Navicula bourgi Lauby, 1910 (unassessed)
Species Navicula bourrellyi Manguin ex Kociolek & Reviers, 1996 (unassessed)
Species Navicula bourrellyivera Lange-Bertalot, A.Witkowski & K.Stachura, 1998 (unassessed)
Species Navicula boyei Østrup, 1920 (unassessed)
Species Navicula brachium Hustedt, 1944 (unassessed)
Species Navicula brachysira Brébisson ex Rabenhorst, 1853 (unassessed)
Species Navicula branchiata Mann, 1925 (unassessed)
Species Navicula brasiliana (Cleve) Cleve, 1894 (unassessed)
Species Navicula brauniana Grunow, 1876 (unassessed)
Species Navicula brebissonii sensu Lagerstedt, 1873 (unassessed)
Species Navicula brebissonii sensu Schmidt in Schmidt et al., 1876 (unassessed)
Species Navicula brebissonii Grunow in Van Heurck (unassessed)
Species Navicula breenii Archibald, 1966 (unassessed)
Species Navicula brehmii Hustedt (unassessed)
Species Navicula brehmiodes Hustedt, 1952 (unassessed)
Species Navicula breitenbuchii Lange-Bertalot, 2001 (unassessed)
Species Navicula brekkaensoides Bock, 1963 (unassessed)
Species Navicula bremensis Hustedt, 1957 (unassessed)
Species Navicula breviata Hustedt, 1966 (unassessed)
Species Navicula brevirostrata Hustedt in Schmidt et al., 1936 (unassessed)
Species Navicula brevis Cleve-Euler, 1932 (unassessed)
Species Navicula brevissima Hustedt, 1937 (unassessed)
Species Navicula brevistriata Tempère & Peragallo, 1889-1895 (unassessed)
Species Navicula britannica Hustedt & Aleem, 1951 (unassessed)
Species Navicula brockmanni (unassessed)
Species Navicula broetzii Lange-Bertalot & E.Reichardt, 1996 (unassessed)
Species Navicula brokenshirei R.F.Bastow, 1954 (unassessed)
Species Navicula bronislaae I.Kaczmarska, 1976 † (unassessed)
Species Navicula bruchii Grunow in Cleve, 1881 (unassessed)
Species Navicula brunelii Poulin, Hudon & Cardinal, 1982 (unassessed)
Species Navicula brunii Cleve-Euler, 1939 (unassessed)
Species Navicula brunii Pantocsek, 1886 (unassessed)
Species Navicula brunii Brun, 1891 (unassessed)
Species Navicula bruyanti Lauby, 1910 (unassessed)
Species Navicula brygidae Lange-Bertalot, A.Witkowski & J.P.Kociolek, 2009 (unassessed)
Species Navicula bryophiloides Manguin, 1962 (unassessed)
Species Navicula buccella M.H.Hohn & Hellerman, 1963 (unassessed)
Species Navicula buchansiana Woodhead & Tweed, 1960 (unassessed)
Species Navicula budayana Pantocsek, 1892 (unassessed)
Species Navicula budda Skvortzow, 1935 (unassessed)
Species Navicula budensis Grunow in Van Heurck, 1880 (unassessed)
Species Navicula buderi Hustedt, 1954 (unassessed)
Species Navicula buderiformis H.P. Gandhi, 1998 (unassessed)
Species Navicula bulgariarum H. Lange-Bertalot & D. Metzeltin, 2006 (unassessed)
Species Navicula bullata Norman in Ralfs in Pritchard, 1861 (unassessed)
Species Navicula bulloides K.E. Lohman, 1957 (unassessed)
Species Navicula burcki Reinhold, 1937 (unassessed)
Species Navicula bushmanorum Cholnoky, 1957 (unassessed)
Species Navicula butreensis Foged, 1966 (unassessed)
Species Navicula caddoensis Bond, 1968 † (unassessed)
Species Navicula cadeei B.Van de Vijver & C.Cocquyt, 2009 (unassessed)
Species Navicula cadoi Z.Levkov & S.Krstic, 2007 (unassessed)
Species Navicula caduca Hustedt, 1942 (unassessed)
Species Navicula caeca Mann, 1925 (unassessed)
Species Navicula caenosus J.R.Carter & Bailey-Watts, 1981 (unassessed)
Species Navicula caerulea O'Meara, 1875 (unassessed)
Species Navicula calcuttensis Skvortzov (unassessed)
Species Navicula caldwellii Bastow, 1960 (unassessed)
Species Navicula calida Hendey, 1964 (unassessed)
Species Navicula calignosa Cleve & Grove, 1891 (unassessed)
Species Navicula calva Østrup, 1913 (unassessed)
Species Navicula calvata Manguin, 1964 (unassessed)
Species Navicula camerata Cholnoky, 1966 (unassessed)
Species Navicula campanile Cholnoky, 1961 (unassessed)
Species Navicula campbellii Petit, 1877 (unassessed)
Species Navicula campbellii M.Peragallo, 1908 (unassessed)
Species Navicula camplanata (Grunow) Cleve, 1883 (unassessed)
Species Navicula camprocarpa Kützing (unassessed)
Species Navicula campylogramma Ehrenberg, 1853 (unassessed)
Species Navicula canaliculata Cleve, 1900 (unassessed)
Species Navicula canalis R.M.Patrick, 1944 (unassessed)
Species Navicula canariana Lange-Bertalot, 1993 (unassessed)
Species Navicula candida Schumann, 1867 (unassessed)
Species Navicula canoris M.H.Hohn & Hellerman, 1963 (unassessed)
Species Navicula cantonatii Lange-Bertalot, 2001 (unassessed)
Species Navicula cantonensis Ehrenberg, 1847 (unassessed)
Species Navicula capensis M. Peragallo, 1921 (unassessed)
Species Navicula capillata Giffen, 1980 (unassessed)
Species Navicula capitata Fontell, 1917 (unassessed)
Species Navicula capitata Cleve, 1898 (unassessed)
Species Navicula capitellata Skvortzow, 1935 (unassessed)
Species Navicula capitellata Cleve-Euler, 1943 (unassessed)
Species Navicula capitive Turpin, 1827 (unassessed)
Species Navicula capitulata Frenguelli (unassessed)
Species Navicula capsa Hohn, 1961 (unassessed)
Species Navicula capsula Cleve-Euler, 1949 (unassessed)
Species Navicula caractacus M.H.Hohn & Hellerman, 1963 (unassessed)
Species Navicula carassius Ehrenberg, 1843 (unassessed)
Species Navicula carassius sensu Grunow, 1860 (unassessed)
Species Navicula cardiella Luchini, 1976 (unassessed)
Species Navicula cardinaliculus (Cleve) Mann (unassessed)
Species Navicula cardinalis Ehrenberg, 1841 † (unassessed)
Species Navicula carecti Cholnoky, 1960 (unassessed)
Species Navicula cari sensu Foged, 1958 (unassessed)
Species Navicula cariana Jousé, 1939 (unassessed)
Species Navicula caribaea Cleve in litt. in A. Schmidt et al., 1875 (unassessed)
Species Navicula caribaea Schmidt, 1874 (unassessed)
Species Navicula carinata Ehrenberg, 1840 (unassessed)
Species Navicula cariocincta Lange-Bertalot apud Tsarenko, Lange-Bertalot, Stupina & Wasser, 2000 (unassessed)
Species Navicula carlae A.Witkowski, Lange-Bertalot & J.P.Kociolek, 2009 (unassessed)
Species Navicula carloffii Foged, 1966 (unassessed)
Species Navicula carniolensis Hustedt, 1945 (unassessed)
Species Navicula carolinensis Ehrenberg, 1856 (unassessed)
Species Navicula caroliniana Patrick, 1959 (unassessed)
Species Navicula carpathorum Pantocsek (unassessed)
Species Navicula carstensenii Foged, 1966 (unassessed)
Species Navicula carteri Van Landingham, 1975 (unassessed)
Species Navicula carvajaliana Patrick (unassessed)
Species Navicula cascadensis Sovereign, 1958 (unassessed)
Species Navicula casei Cholnoky, 1954 (unassessed)
Species Navicula casertana De Notaris in De Notaris & Baglietto, 1872 (unassessed)
Species Navicula cassa W. Smith, 1859 (unassessed)
Species Navicula cassieana Foged, 1979 (unassessed)
Species Navicula castracanei Grunow in Cleve, 1881 (unassessed)
Species Navicula catalanogermanica Lange-Bertalot & G.Hofmann, 1993 (unassessed)
Species Navicula cataracta-rheni Lange-Bertalot, 1993 (unassessed)
Species Navicula cataractrarum Hustedt, 1955 (unassessed)
Species Navicula catarinensis Krasske, 1948 (unassessed)
Species Navicula caterva Hohn & Hellermann, 1963 (unassessed)
Species Navicula catharinae Ehrenberg, 1854 (unassessed)
Species Navicula caucasica Ross, 1963 (unassessed)
Species Navicula caupulus Hohn, 1966 (unassessed)
Species Navicula cavernae Cholnoky, 1957 (unassessed)
Species Navicula celinei Witkowski, Metzeltin & Lange-Bertalot in Metzeltin & Witkowski, 1996 (unassessed)
Species Navicula cellesensis Héribaud & M. Peragallo in Héribaud, 1902 (unassessed)
Species Navicula cendronii Manguin, 1960 (unassessed)
Species Navicula centrafricana Fusey, 1964 (unassessed)
Species Navicula centraster Cleve, 1895 (unassessed)
Species Navicula centropunctata Hustedt, 1966 (unassessed)
Species Navicula ceratogramma Ehrenberg, 1843 (unassessed)
Species Navicula ceratostigma Ehrenberg, 1841 (unassessed)
Species Navicula cerenutia Hohn, 1961 (unassessed)
Species Navicula ceres Schumann, 1867 (unassessed)
Species Navicula certa Hustedt, 1945 (unassessed)
Species Navicula certa Meister, 1934 (1935) (unassessed)
Species Navicula cesatii Rabenhorst, 1853 (unassessed)
Species Navicula ceylanensis Leuduger-Fortmorel, 1879 (unassessed)
Species Navicula ceylanica Skvortzow, 1932 (unassessed)
Species Navicula ceylonica Skvortzow, 1930 (unassessed)
Species Navicula chaberti Héribaud, 1903 (unassessed)
Species Navicula chadwickii Foged, 1966 (unassessed)
Species Navicula challengeri Grunow, 1880 (unassessed)
Species Navicula chandolensis Gandhi (unassessed)
Species Navicula chansiensis Skvortzow, 1935 (unassessed)
Species Navicula charlattii (unassessed)
Species Navicula charlottae Foged, 1951 (unassessed)
Species Navicula charontis Ehrenberg, 1854 (unassessed)
Species Navicula chasei Cholnoky, 1954 (unassessed)
Species Navicula chasmaensis Foged, 1959 (unassessed)
Species Navicula chasmigera Cholnoky, 1960 (unassessed)
Species Navicula chaspula Carter & Denny, 1982 (unassessed)
Species Navicula chassagnei Héribaud in Héribaud et al., 1920 (unassessed)
Species Navicula chauhanii H.P. Gandhi, 1998 (unassessed)
Species Navicula cheldonensis R.F.Bastow, 1957 (unassessed)
Species Navicula chersonensis Meunier, 1910 (unassessed)
Species Navicula cherubim Ross, 1972 (unassessed)
Species Navicula chi Cleve, 1895 (unassessed)
Species Navicula chiarae Lange-Bertalot & S.I.Genkal, 1999 (unassessed)
Species Navicula chimmoana O'Meara, 1872 (unassessed)
Species Navicula chinensis Skvortzow, 1929 (unassessed)
Species Navicula chingmaiensis Foged, 1972 (unassessed)
Species Navicula chloridorum Cholnoky, 1968 (unassessed)
Species Navicula cholnokyii Gandhi, 1964 (unassessed)
Species Navicula cholonokyana Foged, 1975 (unassessed)
Species Navicula chordata Archibald, 1966 (unassessed)
Species Navicula chrissiana Cholnoky, 1965 (unassessed)
Species Navicula chutteri Cholnoky, 1965 (unassessed)
Species Navicula chyzerii Pantocsek, 1889 (unassessed)
Species Navicula ciliata Corda, 1835 (unassessed)
Species Navicula cimex Cholnoky, 1963 (unassessed)
Species Navicula cincta Tarnavschi, 1930 (unassessed)
Species Navicula cincta Pantocsek, 1889 (unassessed)
Species Navicula cincta magna J. Brun, 1901 (unassessed)
Species Navicula cinctaeformis Hustedt in Schmidt et al., 1936 (unassessed)
Species Navicula cingulata Hustedt in Schmidt et al., 1936 (unassessed)
Species Navicula cingulatoides Cholnoky, 1963 (unassessed)
Species Navicula cinna M.H.Hohn & Hellerman, 1963 (unassessed)
Species Navicula cipollae Zanon, 1933 (unassessed)
Species Navicula circumcincta Grunow in Cleve & Möller, 1879 (unassessed)
Species Navicula circumnodosa Brun, 1891 (unassessed)
Species Navicula circumsuta Proschkina-Lavrenko, 1932 (unassessed)
Species Navicula circumtexta F.Meister ex Hustedt, 1934 (unassessed)
Species Navicula cistella Greville, 1863 (unassessed)
Species Navicula citrea Schmidt in Schmidt et al., 1877 (unassessed)
Species Navicula citriformis E.G.Lupikina, 1965 † (unassessed)
Species Navicula citriformis Cleve-Euler, 1953 (unassessed)
Species Navicula citroides K.E. Lohman, 1957 (unassessed)
Species Navicula citrus Krasske, 1923 (unassessed)
Species Navicula citrus Cleve-Euler, 1939 (unassessed)
Species Navicula citrus Cleve-Euler, 1939 (unassessed)
Species Navicula clagesii Gerd Moser (unassessed)
Species Navicula clancula A.Schmidt, 1875 (unassessed)
Species Navicula clarensiana Schoeman, 1970 (unassessed)
Species Navicula claromontensis Héribaud in Héribaud et al., 1920 (unassessed)
Species Navicula clathrata Østrup, 1895 (unassessed)
Species Navicula clausa T.Marsson, 1900 (unassessed)
Species Navicula clausii Grunow ex Kolkwitz & Marsson, 1908 (unassessed)
Species Navicula clavata Manguin, 1964 (unassessed)
Species Navicula claviculus Arnott ex Grunow in Van Heurck, 1880 (unassessed)
Species Navicula clementioides Hustedt, 1944 (unassessed)
Species Navicula clepsydra Meunier, 1910 (unassessed)
Species Navicula clepsydra sensu Schmidt in Schmidt et al., 1876 (unassessed)
Species Navicula clericii Frenguelli, 1923 (unassessed)
Species Navicula clevei Lagerstedt, 1873 (unassessed)
Species Navicula cleviana O'Meara, 1876 (unassessed)
Species Navicula climacospheniae Booth, 1986 (unassessed)
Species Navicula clipeiformis D.König, 1959 (unassessed)
Species Navicula cloacina Lange-Bertalot & Bonik, 1976 (unassessed)
Species Navicula cluthensoides Hustedt, 1966 (unassessed)
Species Navicula clypeus Ehrenberg, 1840 (unassessed)
Species Navicula coarctata Schmidt in Schmidt et al., 1875 (unassessed)
Species Navicula coarctata Ehrenberg, 1842 (unassessed)
Species Navicula coccinella Metzeltin, Lange-Bertalot & García-Rodríguez (unassessed)
Species Navicula cocconeiformis Schumann, 1863 (unassessed)
Species Navicula cocconeis Ehrenberg, 1842 (unassessed)
Species Navicula cocconioides J.R.Carter, 1964 (unassessed)
Species Navicula coccus Schumann, 1863 (unassessed)
Species Navicula cochlearis Eichwald, 1844 (unassessed)
Species Navicula cocooneiformis (unassessed)
Species Navicula cocquytae Z. Levkov & T. Nakov in Levkov, Krstic, Metzeltin & Nakov, 2007 (unassessed)
Species Navicula coei Cholnoky, 1960 (unassessed)
Species Navicula coerulea O'Meara, 1876 (unassessed)
Species Navicula coerulescens Marsson, 1900 (unassessed)
Species Navicula coffeiformis (unassessed)
Species Navicula colii Héribaud in Héribaud et al., 1920 (unassessed)
Species Navicula collersonii D. Roberts & A. McMinn, 1999 (unassessed)
Species Navicula collisiana O'Meara, 1876 (unassessed)
Species Navicula columbiana Hustedt, 1966 (unassessed)
Species Navicula columnaris Ehrenberg (unassessed)
Species Navicula comerei Héribaud in Héribaud et al., 1920 (unassessed)
Species Navicula commixta Brebisson in Brebisson & Godey, 1835 (unassessed)
Species Navicula commutabilis Hustedt (unassessed)
Species Navicula comoides (Agardh) H.Peragallo (unassessed)
Species Navicula compacta Greville, 1857 (unassessed)
Species Navicula compar Janisch in Schmidt et al., 1881 (unassessed)
Species Navicula comperei Coste & Ricard, 1982 (unassessed)
Species Navicula complanata Brun, 1896 (unassessed)
Species Navicula complanatoides Hustedt, 1987 (unassessed)
Species Navicula complanatula Hustedt, 1987 (unassessed)
Species Navicula completa Hustedt, 1961 (unassessed)
Species Navicula completaoides Foged, 1971 (unassessed)
Species Navicula compressicauda Schmidt, 1874 (unassessed)
Species Navicula concamerata Hustedt in Schmidt et al., 1936 (unassessed)
Species Navicula concava Patrick, 1945 (unassessed)
Species Navicula concava Harting, 1852 (unassessed)
Species Navicula concentrica Carter & Bailey-Watts, 1981 (unassessed)
Species Navicula concinna Hustedt, 1944 (unassessed)
Species Navicula concordia C.Riaux-Gobin & A.Witkowski, 2010 (unassessed)
Species Navicula confecta A.Schmidt, 1875 (unassessed)
Species Navicula confidens Cholnoky, 1963 (unassessed)
Species Navicula confoederata Pantocsek, 1892 (unassessed)
Species Navicula confusa Manguin, 1949 (unassessed)
Species Navicula congolensis Hustedt, 1949 (unassessed)
Species Navicula congrua Janisch in Schmidt et al., 1881 (unassessed)
Species Navicula conjugata Turpin, 1828 (unassessed)
Species Navicula conjuncta Hustedt, 1966 (unassessed)
Species Navicula consanguinea Cleve, 1895 (unassessed)
Species Navicula conscensa Cholnoky, 1963 (unassessed)
Species Navicula consentanea Hustedt, 1939 (unassessed)
Species Navicula consimilis Schmidt, 1874 (unassessed)
Species Navicula consimilis sensu Peragallo & Peragallo, 1897 (unassessed)
Species Navicula consors Schmidt in Schmidt et al., 1876 (unassessed)
Species Navicula conspersa Ehrenberg, 1854 (unassessed)
Species Navicula conspersa Pantocsek, 1892 (unassessed)
Species Navicula conspicua A.W.F.Schmidt, 1876 (unassessed)
Species Navicula constantini Skabichevskii, 1952 (unassessed)
Species Navicula constricta Grunow, 1860 (unassessed)
Species Navicula constricta (Ehrenberg) Schütt, 1896 (unassessed)
Species Navicula constricta Pero, 1894 (unassessed)
Species Navicula contempta Krasske, 1929 (unassessed)
Species Navicula contendens Mann, 1925 (unassessed)
Species Navicula contentaeformis Manguin, 1962 (unassessed)
Species Navicula contermina Schmidt in Schmidt et al., 1876 (unassessed)
Species Navicula contigua A.W.F.Schmidt (unassessed)
Species Navicula contorta Kitton Ms., Cleve, 1895 (unassessed)
Species Navicula contortula Sovereign, 1963 (unassessed)
Species Navicula contracta Ehrenberg, 1842 (unassessed)
Species Navicula contracta Grunow in A. Schmidt, 1890 (unassessed)
Species Navicula contraria R.M.Patrick, 1959 (unassessed)
Species Navicula controversa Mann, 1925 (unassessed)
Species Navicula conveniens Hustedt, 1952 (unassessed)
Species Navicula conventus Heiden, 1900 (unassessed)
Species Navicula convergens Patrick, 1959 (unassessed)
Species Navicula convexa W.Smith, 1853 (unassessed)
Species Navicula conveyi Van de Vijver, 2011 (unassessed)
Species Navicula copiosa A.Schmidt, 1888 (unassessed)
Species Navicula coquedensis Donkin, 1869 (unassessed)
Species Navicula coraliana Metzeltin & Lange-Bertalot, 1998 (unassessed)
Species Navicula corbieri Héribaud, 1903 (unassessed)
Species Navicula cordillerae Frenguelli, 1942 (unassessed)
Species Navicula cornubiensis Hendey, 1973 (unassessed)
Species Navicula corpulenta Mann, 1925 (unassessed)
Species Navicula correpta Schmidt in Schmidt et al., 1890 (unassessed)
Species Navicula cortanensis sensu Cholnoky, 1957 (unassessed)
Species Navicula corticela Manguin ex Kociolek & Reviers, 1996 (unassessed)
Species Navicula corticola Manguin, 1962 (unassessed)
Species Navicula corymbosa (Agardh) Cleve, 1896 (unassessed)
Species Navicula cosmaria Brebisson ex Kutzing, 1849 (unassessed)
Species Navicula costata Corda, 1835 (unassessed)
Species Navicula costei Héribaud-Joseph (unassessed)
Species Navicula costuloides Skvortzow, 1937 (unassessed)
Species Navicula cotiformis Grunow ex Cleve, 1881 (unassessed)
Species Navicula cotschii Christjuk, 1930 (unassessed)
Species Navicula crabro sensu Greville, 1857 (unassessed)
Species Navicula crabro sensu Schmidt in Schmidt et al., 1881 (unassessed)
Species Navicula crabro sensu Donkin, 1871 (unassessed)
Species Navicula crabroniformis Grunow in Schmidt et al., 1875 (unassessed)
Species Navicula crassa Gregory, 1855 (unassessed)
Species Navicula crassirostris Grunow (unassessed)
Species Navicula crassula Naegeli in Kutzing, 1849 (unassessed)
Species Navicula crassulexigua Reichardt, 1994 (unassessed)
Species Navicula crateri Patrick, 1970 (unassessed)
Species Navicula craticularis Frenguelli, 1933 (unassessed)
Species Navicula craveni Leuduger-Fortmorel, 1879 (unassessed)
Species Navicula crebra Hustedt, 1964 (unassessed)
Species Navicula creguti Héribaud & M.Peragallo (unassessed)
Species Navicula cremeri Van de Vijver & Zidarova, 2011 (unassessed)
Species Navicula cremorme Hohn & Hellerman, 1863 (unassessed)
Species Navicula cremorne M.H.Hohn & Hellerman, 1963 (unassessed)
Species Navicula crepitacula Carter & Denny, 1982 (unassessed)
Species Navicula creuzburgensis Krasske, 1927 (unassessed)
Species Navicula criophila Manguin, 1957 (unassessed)
Species Navicula criophila Manguin, 1960 (unassessed)
Species Navicula criophiliforma A.Witkowski, C.Riaux-Gobin & G.Daniszewska-Kowalczyk, 2010 (unassessed)
Species Navicula cristata Ehrenberg, 1854 (unassessed)
Species Navicula cristata Ehrenberg, 1854 (unassessed)
Species Navicula cristula Guermeur & Manguin, 1961 (unassessed)
Species Navicula cristula Hohn, 1961 (unassessed)
Species Navicula crocodili Cholnoky, 1962 (unassessed)
Species Navicula cronullensis Wood, 1963 (unassessed)
Species Navicula crucialis Frenguelli, 1929 (unassessed)
Species Navicula cruciata Leuduger-Fortmorel, 1879 (unassessed)
Species Navicula cruciata Cleve, 1881 (unassessed)
Species Navicula cruciculoides C.Brockmann, 1950 (unassessed)
Species Navicula crucifera O'Meara, 1876 (unassessed)
Species Navicula crucifix Tempère & Brun in Brun & Tempère, 1889 (unassessed)
Species Navicula crucigeriformis Hustedt, 1961 (unassessed)
Species Navicula crucigeroides Hustedt, 1961 (unassessed)
Species Navicula crucigerum Wm Smith Van Heurck, 1896 (unassessed)
Species Navicula crucitina H. Peragallo in Tempère & Peragallo, 1909 (unassessed)
Species Navicula crux Ehrenberg, 1838 (unassessed)
Species Navicula cruxmeridionalis D. Metzeltin, H. Lange-Bertalot & F. García-Rodríguez, 2005 (unassessed)
Species Navicula cryophila Manguin, 1957 (unassessed)
Species Navicula cryptocefalsa Lange-Bertalot, 1993 (unassessed)
Species Navicula cryptocephala sensu W. Smith, 1853 (unassessed)
Species Navicula cryptocephaloides Hustedt, 1937 (unassessed)
Species Navicula cryptofallax Lange-Bertalot & Hofmann, 1993 (unassessed)
Species Navicula cryptogaster Lowe, 1972 (unassessed)
Species Navicula cryptolyra Brockmann, 1950 (unassessed)
Species Navicula cryptorrhynchus Cholnoky, 1963 (unassessed)
Species Navicula cryptostriata Salah, 1953 (unassessed)
Species Navicula cryptotenella Lange-Bertalot, 1985 (unassessed)
Species Navicula cryptotenelloides Lange-Bertalot, 1993 (unassessed)
Species Navicula crystallina Hustedt, 1961 (unassessed)
Species Navicula csaszkaae Pantocsek, 1903 (unassessed)
Species Navicula cubitus Tempère & Brun in Brun & Tempère, 1889 (unassessed)
Species Navicula cucullus Pantocsek, 1908 (unassessed)
Species Navicula cummerowii Kalbe, 1973 (unassessed)
Species Navicula cumvibia Hohn & Hellerman, 1966 (unassessed)
Species Navicula cunctans Schoeman, 1973 (unassessed)
Species Navicula cuneata O'Meara, 1876 (unassessed)
Species Navicula cuneicephala D.G.Mann, 1924 (unassessed)
Species Navicula cuneoquadrata Brun ex Tempère & Peragallo, 1912 (unassessed)
Species Navicula cunoniae Cholnoky, 1963 (unassessed)
Species Navicula curiosa Cholnoky, 1965 (unassessed)
Species Navicula curiosa Hustedt, 1955 (unassessed)
Species Navicula curta Hustedt, 1937 (unassessed)
Species Navicula curtestria Pantocsek, 1892 (unassessed)
Species Navicula curtestriata Østrup, 1918 (unassessed)
Species Navicula curtestriata Pantocsek, 1889 (unassessed)
Species Navicula curtisterna Lange-Bertalot, 2001 (unassessed)
Species Navicula curvilineata Mann, 1907 (unassessed)
Species Navicula curvinervia Grunow in Cleve, 1878 (unassessed)
Species Navicula curvipunctata Leuduger-Fortmorel, 1892 (unassessed)
Species Navicula curviraphis Cleve-Euler, 1953 (unassessed)
Species Navicula curvula Ehrenberg, 1838 (unassessed)
Species Navicula curvula sensu Kutzing, 1844 (unassessed)
Species Navicula cuspidata sensu Schmidt in Schmidt et al., 1897 (unassessed)
Species Navicula cuspidata Otto Müller, 1899 (unassessed)
Species Navicula cuspidata sensu Frenguelli, 1924 (unassessed)
Species Navicula cuspidata sensu Frenguelli, 1924 (unassessed)
Species Navicula cuspis O'Meara, 1876 (unassessed)
Species Navicula cuvella Carter & Denny, 1982 (unassessed)
Species Navicula cyclophora Castracane, 1886 (unassessed)
Species Navicula cyclops Mann, 1925 (unassessed)
Species Navicula cymatopleura West & G.S.West, 1911 (unassessed)
Species Navicula cymbelliformis Cholnoky, 1954 (unassessed)
Species Navicula cymbelloides Jousé, 1952 (unassessed)
Species Navicula cymbelloides Hustedt in Schmidt et al., 1934 (unassessed)
Species Navicula cymbula Donkin, 1869 (unassessed)
Species Navicula cyprinus (W. Smith) Boyer, 1916 (unassessed)
Species Navicula czekejazensis Pantocsek, 1889 (unassessed)
Species Navicula dactylus sensu Tempère & Peragallo, 1911 (unassessed)
Species Navicula daczii Gaponov, 1915 (unassessed)
Species Navicula dahomensis Hustedt, 1910 (unassessed)
Species Navicula dahurica Skvortzov, 1937 (unassessed)
Species Navicula dailyi Reimer, 1961 (unassessed)
Species Navicula dakariana Guermeur, 1954 (unassessed)
Species Navicula damasii Hustedt, 1962 (unassessed)
Species Navicula damongensis Foged, 1966 (unassessed)
Species Navicula danderiana Guermeur, 1954 (unassessed)
Species Navicula danensis Stiles, 1918 (unassessed)
Species Navicula dapaliformis Hustedt, 1966 (unassessed)
Species Navicula dapalis Frenguelli, 1941 (unassessed)
Species Navicula dapaloides Frenguelli, 1953 (unassessed)
Species Navicula dartevellei Kufferath, 1957 (unassessed)
Species Navicula darwiniana Seddon & Witkowski, 2011 (unassessed)
Species Navicula davidsoniana O'Meara, 1876 (unassessed)
Species Navicula dealpina Lange-Bertalot, 1993 (unassessed)
Species Navicula debegenica Cholnoky, 1954 (unassessed)
Species Navicula debilis Pantocsek, 1889 (unassessed)
Species Navicula debilissima Grunow, 1884 (unassessed)
Species Navicula debilitata M. Peragallo in Héribaud et al., 1920 (unassessed)
Species Navicula deblockii Héribaud in Héribaud et al., 1920 (unassessed)
Species Navicula debyi Pantocsek (unassessed)
Species Navicula decens Pantocsek, 1913 (unassessed)
Species Navicula dechambrei Bourrelly & Manguin, 1950 (unassessed)
Species Navicula decipiens O'Meara, 1876 (unassessed)
Species Navicula decipiens Castracane, 1886 (unassessed)
Species Navicula decipiens Meister, 1932 (unassessed)
Species Navicula decipiens Cleve, 1896 (unassessed)
Species Navicula decissa Carter, 1966 (unassessed)
Species Navicula declinata Hustedt, 1966 (unassessed)
Species Navicula declivis Hustedt, 1934 (unassessed)
Species Navicula decloitrei Guermeur, 1954 (unassessed)
Species Navicula decora Grove & Sturt, 1887 (unassessed)
Species Navicula decrescens Cleve-Euler, 1948 (unassessed)
Species Navicula decrescens Héribaud-Joseph, 1903 (unassessed)
Species Navicula decumana Pantocsek, 1892 (unassessed)
Species Navicula decurrens sensu Grunow in Schmidt et al., 1876 (unassessed)
Species Navicula decurrens Cleve, 1883 (unassessed)
Species Navicula decussepunctata Simonsen, 1960 (unassessed)
Species Navicula decussis Østrup, 1910 (unassessed)
Species Navicula deficilis (unassessed)
Species Navicula definita Grove & Sturt (unassessed)
Species Navicula defluens Hustedt, 1944 (unassessed)
Species Navicula degenii Pantocsek, 1902 (unassessed)
Species Navicula dehissa Giffen, 1973 (unassessed)
Species Navicula delastriata Hohn & Hellerman, 1966 (unassessed)
Species Navicula delata Schmidt, 1874 (unassessed)
Species Navicula delawarensis Grunow ex Cleve, 1893 (unassessed)
Species Navicula delecta Meister, 1937 (unassessed)
Species Navicula deliberata Hustedt, 1961 (unassessed)
Species Navicula delicata Frenguelli, 1926 (unassessed)
Species Navicula delicatilineolata H.Kobayasi & S.Mayama, 2003 (unassessed)
Species Navicula delicatissima Hustedt in Schmidt et al., 1934 (unassessed)
Species Navicula delicatula Skvortzov, 1937 (unassessed)
Species Navicula delicatula W. Smith Collection, 1850 (unassessed)
Species Navicula deliginensis O'Meara, 1876 (unassessed)
Species Navicula delognei Van Heurck, 1880 (unassessed)
Species Navicula delpiroui M. Peragallo in Héribaud et al., 1920 (unassessed)
Species Navicula delta Cleve, 1893 (unassessed)
Species Navicula deltaica D.E. Kellogg, M. Stuiver, T.B. Kellogg & G.H. Denton, 1980 (unassessed)
Species Navicula deltoides Hustedt, 1966 (unassessed)
Species Navicula demerara Grunow, 1893 (unassessed)
Species Navicula demerarae Ehrenberg, 1845 (unassessed)
Species Navicula demeraroides Hustedt, 1966 (unassessed)
Species Navicula demissa Hustedt, 1945 (unassessed)
Species Navicula demta Schmidt in Schmidt et al., 1881 (unassessed)
Species Navicula denizotii Manguin, 1964 (unassessed)
Species Navicula densepunctata Hustedt, 1962 (unassessed)
Species Navicula densilineolata (Lange-Bertalot) Lange-Bertalot, 1993 (unassessed)
Species Navicula densuensis Foged, 1966 (unassessed)
Species Navicula denticula (unassessed)
Species Navicula denticulata O'Meara, 1867 (unassessed)
Species Navicula denticuloides Hustedt in Schmidt et al., 1934 (unassessed)
Species Navicula denudata Pantocsek, 1902 (unassessed)
Species Navicula depauxii M. Peragallo, 1921 (unassessed)
Species Navicula depressa Cleve, 1891 (unassessed)
Species Navicula deserti Forti, 1928 (unassessed)
Species Navicula destituta Hustedt, 1966 (unassessed)
Species Navicula destitutiodes Hustedt, 1966 (unassessed)
Species Navicula destricta Hustedt, 1942 (unassessed)
Species Navicula detenta Hustedt, 1943 (unassessed)
Species Navicula detersa Messjatzew, 1922 (unassessed)
Species Navicula detoniana Gutwinski, 1890 (unassessed)
Species Navicula de-toniana Gutwinski, 1892 (unassessed)
Species Navicula dewittiana Kain & Schultze, 1889 (unassessed)
Species Navicula diabolica Geissler & Gerloff, 1963 (unassessed)
Species Navicula diaculus Schumann (unassessed)
Species Navicula diagonalis Bailey, 1851 (unassessed)
Species Navicula diahotana Maillard, 1978 (unassessed)
Species Navicula diaphana Ehrenberg, 1845 (unassessed)
Species Navicula diaphanea Manguin in Bourrelly & Manguin, 1952 (unassessed)
Species Navicula dibola Hohn, 1961 (unassessed)
Species Navicula dicephala sensu H.L. Smith, 1874-1879 (unassessed)
Species Navicula dicephaloides Fusey, 1948 (unassessed)
Species Navicula dicurvata O'Meara, 1872 (unassessed)
Species Navicula didyma sensu Schmidt in Schmidt et al., 1881 (unassessed)
Species Navicula didyma Schmidt in Schmidt et al., 1881 (unassessed)
Species Navicula didyma sensu Neupauer, 1867 (unassessed)
Species Navicula didyma sensu Lagerstedt, 1876 (unassessed)
Species Navicula didymus Ehrenberg, 1840 (unassessed)
Species Navicula diengensis VanLand., 1975 (unassessed)
Species Navicula differta Pantocsek, 1902 (unassessed)
Species Navicula difficilis Grunow in Van Heurck, 1880 (unassessed)
Species Navicula difficillima Hustedt, 1950 (unassessed)
Species Navicula difficillimoides Hustedt, 1957 (unassessed)
Species Navicula diffluens Schmidt in Schmidt et al., 1874 (unassessed)
Species Navicula difformis Eichwald, 1847 (unassessed)
Species Navicula diffusa H. Peragallo, 1888 (unassessed)
Species Navicula dificilis Pantocsek, 1892 (unassessed)
Species Navicula digitoconvergens Lange-Bertalot, 1999 (unassessed)
Species Navicula digitoradiata sensu Cleve-Euler, 1922 (unassessed)
Species Navicula digitulus Hustedt, 1943 (unassessed)
Species Navicula digna Hustedt, 1957 (unassessed)
Species Navicula digrediens Schmidt in Schmidt et al., 1881 (unassessed)
Species Navicula dilatata Ehrenberg, 1843 (unassessed)
Species Navicula dilatata sensu Schmidt in Schmidt et al., 1877 (unassessed)
Species Navicula dilucida Hustedt, 1939 (unassessed)
Species Navicula dimidiata A.Mayer, 1919 (unassessed)
Species Navicula dimidiata Dujardin, 1842 (unassessed)
Species Navicula diploneiformis Hustedt, 1957 (unassessed)
Species Navicula diploneoides Hustedt, 1936 (unassessed)
Species Navicula diplosticta Grunow in Schmidt et al., 1875 (unassessed)
Species Navicula dirhynchus Ehrenberg, 1843 (unassessed)
Species Navicula dirhynchus sensu Donkin, 1871 (unassessed)
Species Navicula dirrhombus Schmidt in Schmidt et al., 1875 (unassessed)
Species Navicula discerneda Cleve-Euler, 1932 (unassessed)
Species Navicula discernenda Pantocsek, 1889 (unassessed)
Species Navicula disciformis Peticolas in Vorce, 1889 (unassessed)
Species Navicula disclusa Hustedt, 1964 (unassessed)
Species Navicula discrepans Schmidt in Schmidt et al., 1875 (unassessed)
Species Navicula discreta Hustedt, 1964 (unassessed)
Species Navicula disculus Schumann, 1862 (unassessed)
Species Navicula diserta Hustedt, 1939 (unassessed)
Species Navicula disertoides Cholnoky, 1968 (unassessed)
Species Navicula disjuncta Hustedt, 1930 (unassessed)
Species Navicula disjunctoides Manguin ex Kociolek & Reviers, 1996 (unassessed)
Species Navicula dismutica Hustedt, 1966 (unassessed)
Species Navicula dispar Schumann, 1862 (unassessed)
Species Navicula disparata Hustedt, 1942 (unassessed)
Species Navicula dispensata Hustedt & Manguin (unassessed)
Species Navicula dispersa J.R.Carter, 1964 (unassessed)
Species Navicula dispersa Grove & Sturt, 1887 (unassessed)
Species Navicula dispersepunctata Skabichevskii, 1936 (unassessed)
Species Navicula dispersepunctata Hustedt, 1952 (unassessed)
Species Navicula dispersepunctulata Hustedt, 1966 (unassessed)
Species Navicula disposita Hustedt, 1964 (unassessed)
Species Navicula disputans R.M.Patrick, 1959 (unassessed)
Species Navicula dissimilis W. Smith, 1857 (unassessed)
Species Navicula dissipata Hustedt, 1944 (unassessed)
Species Navicula dissociata E.Reichardt, 1984 (unassessed)
Species Navicula dissuta Giffen, 1966 (unassessed)
Species Navicula distantepunctata Simonsen, 1974 (unassessed)
Species Navicula distauridium Ehrenberg, 1841 (unassessed)
Species Navicula distenta Schumann (unassessed)
Species Navicula distenta Schmidt in Schmidt et al., 1874 (unassessed)
Species Navicula disticha Schmidt in Schmidt et al., 1897 (unassessed)
Species Navicula distincta G.S. West, 1907 (unassessed)
Species Navicula distinctapunctulata Gaud, 1974 (unassessed)
Species Navicula distinctastriata Hohn & Hellerman, 1963 (unassessed)
Species Navicula distoma Grunow (unassessed)
Species Navicula dithmarsica König ex Hustedt, 1964 (unassessed)
Species Navicula diuturna Cholnoky, 1962 (unassessed)
Species Navicula diuturnoides Archibald, 1966 (unassessed)
Species Navicula divaricata Hustedt, 1942 (unassessed)
Species Navicula divaricata Manguin in Bourrelly & Manguin, 1952 (unassessed)
Species Navicula divergens (W.Smith) Grunow, 1860 (unassessed)
Species Navicula divergentissima Grunow, 1879 (unassessed)
Species Navicula diversa Greville, 1863 (unassessed)
Species Navicula diversestriata Jasmitsky, 1936 (unassessed)
Species Navicula diversicostata Brun, 1894 (unassessed)
Species Navicula diversipunctata Hustedt, 1944 (unassessed)
Species Navicula diversistriata Hustedt, 1955 (unassessed)
Species Navicula diversistriata sensu Foged, 1962 (unassessed)
Species Navicula diverta Carter, 1966 (unassessed)
Species Navicula dobrinatemniskovae Zidarova & Van de Vijver, 2011 (unassessed)
Species Navicula doczii Pantocsek, 1889 (unassessed)
Species Navicula dodowaensis Foged, 1966 (unassessed)
Species Navicula doehleri Lange-Bertalot, 2001 (unassessed)
Species Navicula doellojuradoi Frenguelli, 1924 (unassessed)
Species Navicula doeringii Frenguelli (unassessed)
Species Navicula doljensis Pantocsek, 1886 (unassessed)
Species Navicula dolomitica W.Bock, 1970 (unassessed)
Species Navicula dolosa Manguin, 1964 (unassessed)
Species Navicula dolosa Giffen, 1984 (unassessed)
Species Navicula donkinia O’Meara, 1875 (unassessed)
Species Navicula donkinii A.Schmidt, 1874 (unassessed)
Species Navicula donkinii Carruthers in J.E. Gray, 1864 (unassessed)
Species Navicula dorenbergi Reichelt in Heiden in A. Schmidt, 1903 (unassessed)
Species Navicula dorenbergii Reichelt, 1899 (1900) (unassessed)
Species Navicula dorogostaiskyi Østrup, 1908 (unassessed)
Species Navicula dosseti Azpeitia, 1911 (unassessed)
Species Navicula drouetiana Patrick, 1944 (unassessed)
Species Navicula dubia sensu Schmidt in Schmidt et al., 1877 (unassessed)
Species Navicula dubiosa de Wildeman, 1897 (unassessed)
Species Navicula dubitanda Hustedt & Kolbe, 1987 † (unassessed)
Species Navicula dubitata Héribaud, 1903 (unassessed)
Species Navicula dubravicensis Grunow, 1882 (unassessed)
Species Navicula dugaensis Foged, 1966 (unassessed)
Species Navicula dulcioides Foged, 1981 (unassessed)
Species Navicula dulcis Patrick, 1959 (unassessed)
Species Navicula dulcis Krasske, 1939 (unassessed)
Species Navicula dulcis Foged, 1971 (unassessed)
Species Navicula dumontiae Baardseth & Taasen, 1973 (unassessed)
Species Navicula dunstonii Salah, 1953 (unassessed)
Species Navicula duomedia Patrick, 1959 (unassessed)
Species Navicula duplex Pantocsek, 1892 (unassessed)
Species Navicula duplex Nygaard, 1956 (unassessed)
Species Navicula duplicata Ehrenberg, 1843 (unassessed)
Species Navicula duplocapitata Hustedt, 1966 (unassessed)
Species Navicula durandii sensu Mann, 1925 (unassessed)
Species Navicula durrandii Kitton, 1885 (unassessed)
Species Navicula dutoitiana Cholnoky, 1959 (unassessed)
Species Navicula dvorachekii Ehrlich, 1978 (unassessed)
Species Navicula dystrophica Patrick, 1959 (unassessed)
Species Navicula eastwoodi Hanna & Grant, 1926 (unassessed)
Species Navicula ebor M.H.Hohn & Hellerman, 1963 (unassessed)
Species Navicula eburnea Zanon, 1941 (unassessed)
Species Navicula ectoris Van de Vijver, 2002 (unassessed)
Species Navicula effrenata Krasske, 1949 (unassessed)
Species Navicula egena Schmidt in Schmidt et al., 1890 (unassessed)
Species Navicula egeria Pantocsek, 1892 (unassessed)
Species Navicula egyptiaca Greville, 1866 (unassessed)
Species Navicula ehrenbergii Kützing, 1844 (unassessed)
Species Navicula eichhoriaephila Manguin, 1962 (unassessed)
Species Navicula eichhorniaephila E.Manguin ex Kociolek & Reviers, 1996 (unassessed)
Species Navicula eidrigiana J.R.Carter, 1979 (unassessed)
Species Navicula ekholmensis Foged, 1964 (unassessed)
Species Navicula elaborata Hustedt in Schmidt et al., 1934 (unassessed)
Species Navicula elaphros M.H.Hohn & Hellerman, 1963 (unassessed)
Species Navicula elata H.P.Gandhi, 1970 (unassessed)
Species Navicula elata Leuduger-Fortmorel, 1879 (unassessed)
Species Navicula electa Hustedt, 1966 (unassessed)
Species Navicula electrolytifuga H. Lange-Bertalot & Rumrich in U. Rumrich, H. Lange-Bertalot & M. Rumrich, 2000 (unassessed)
Species Navicula elegans sensu Grunow, 1860 (unassessed)
Species Navicula elegantissima Meister, 1935 (unassessed)
Species Navicula elegantissima M. Peragallo in Tempère & Peragallo, 1908 (unassessed)
Species Navicula elegantula Grunow, 1860 (unassessed)
Species Navicula elenkinii Goriatscheva, 1963 (unassessed)
Species Navicula elephantis Cholnoky, 1964 (unassessed)
Species Navicula elesdiana Pantocsek, 1886 (unassessed)
Species Navicula elevata Kobayashi, 1968 (unassessed)
Species Navicula elisabethae Pantocsek, 1909 (unassessed)
Species Navicula ellips Harting, 1852 (unassessed)
Species Navicula ellipsis Smith ex Norman, 1860 (unassessed)
Species Navicula elliptica W.Smith, 1853 (unassessed)
Species Navicula elliptica Ehrenberg, 1844 (unassessed)
Species Navicula elmorei Patrick, 1966 (unassessed)
Species Navicula elongata Poretzky, 1969 (unassessed)
Species Navicula elongata Grunow in Schmidt, 1874 (unassessed)
Species Navicula elongata Ehrenberg, 1856 (unassessed)
Species Navicula elongata Grunow, 1875 (unassessed)
Species Navicula elongatula Pantocsek, 1889 (unassessed)
Species Navicula elpatievskyi Østrup, 1908 (unassessed)
Species Navicula elsoniana Patrick & Freese, 1861 (unassessed)
Species Navicula emarginata Ehrenberg, 1849 (unassessed)
Species Navicula emendata Hustedt in Schmidt et al., 1934 (unassessed)
Species Navicula endophytica Hasle, 1968 (unassessed)
Species Navicula engelbrechtii Cholnoky, 1955 (unassessed)
Species Navicula englertiae A.Witkowski, Lange-Bertalot & J.P.Kociolek, 2009 (unassessed)
Species Navicula enigmatica Germain, 1980 (unassessed)
Species Navicula ennediensis Compère, 1970 (unassessed)
Species Navicula entoleia P.Cleve (unassessed)
Species Navicula entomon Donkin, 1840 (unassessed)
Species Navicula entomon sensu Grunow in Schmidt et al., 1875 (unassessed)
Species Navicula entzii Pantocsek, 1905 (unassessed)
Species Navicula enucleata Hustedt, 1945 (unassessed)
Species Navicula eocaenica Schrader, 1969 (unassessed)
Species Navicula eponka Hohn, 1961 (unassessed)
Species Navicula epsilon Cleve, 1893 (unassessed)
Species Navicula equiornata Manguin in Bourrelly & Manguin, 1954 (unassessed)
Species Navicula erdmannensis Foged, 1964 (unassessed)
Species Navicula erifuga Lange-Bertalot, 1985 (unassessed)
Species Navicula ermanii Lupikina, 1984 (unassessed)
Species Navicula erosa Cleve (unassessed)
Species Navicula erythraea Grunow in Schmidt et al., 1875 (unassessed)
Species Navicula esamangensis Foged, 1966 (unassessed)
Species Navicula escorialis R.Simonsen, 1959 (unassessed)
Species Navicula esoculus Schumann (unassessed)
Species Navicula esox sensu H.L. Smith, 1874-1879 (unassessed)
Species Navicula esox sensu Lewis, 1862 (unassessed)
Species Navicula esromensis Foged, 1968 (unassessed)
Species Navicula essexii M. Peragallo in Tempère & Peragallo, 1913 (unassessed)
Species Navicula eta Cleve, 1893 (unassessed)
Species Navicula eugenia A.Schmidt, 1874 (unassessed)
Species Navicula eugeniae Cleve, 1881 (unassessed)
Species Navicula eumontana Messikommer, 1948 (unassessed)
Species Navicula eunotiiformis Mereschkowsky, 1902 (unassessed)
Species Navicula europaea Cleve-Euler, 1953 (unassessed)
Species Navicula euryale Ehrenberg, 1854 (unassessed)
Species Navicula eurycephala Rabenhorst, 1853 (unassessed)
Species Navicula eurysoma Ehrenberg, 1838 (1839) (unassessed)
Species Navicula euthimius Stone in McLaughlin & Stone, 1986 (unassessed)
Species Navicula evanida Hustedt, 1942 (unassessed)
Species Navicula evexa Sovereign, 1963 (unassessed)
Species Navicula evulsa Østrup, 1895 (unassessed)
Species Navicula evulsa Giffen, 1967 (unassessed)
Species Navicula exasperans Kociolek & Reviers, 1996 (unassessed)
Species Navicula excavata sensu Cleve & Moller, 1878 (unassessed)
Species Navicula excellens Carlson, 1913 (unassessed)
Species Navicula excelsa Krasske, 1925 (unassessed)
Species Navicula excepta VanLandingham, 1975 (unassessed)
Species Navicula exemta A.Schmidt (unassessed)
Species Navicula exemta A. Schmidt, 1874 (unassessed)
Species Navicula exigua Gregory, 1854 (unassessed)
Species Navicula exigua sensu Pantocsek, 1892 (unassessed)
Species Navicula exigua Pantocsek, 1902 (unassessed)
Species Navicula exigua Dujardin, 1842 (unassessed)
Species Navicula exiguiformis Hustedt, 1944 (unassessed)
Species Navicula exiguoides Hustedt, 1955 (unassessed)
Species Navicula exilior Østrup, 1918 (1920) (unassessed)
Species Navicula exilis Grunow, 1880 (unassessed)
Species Navicula exilis Grunow (unassessed)
Species Navicula exiloides H.Kobayasi & S.Mayama, 2003 (unassessed)
Species Navicula expectilis Pantocsek (unassessed)
Species Navicula expedita Schmidt in Schmidt et al., 1881 (unassessed)
Species Navicula expeditionis Frenguelli, 1924 (unassessed)
Species Navicula explanata Hustedt, 1948 (unassessed)
Species Navicula expleta O'Meara, 1876 (unassessed)
Species Navicula explicata Hustedt, 1964 (unassessed)
Species Navicula explicatoides Hustedt, 1964 (unassessed)
Species Navicula explorata Hustedt, 1966 (unassessed)
Species Navicula exsul A.Schmidt, 1874 (unassessed)
Species Navicula extensa Ralfs in Pritchard, 1861 (unassessed)
Species Navicula extenta W. Smith (unassessed)
Species Navicula eymei Coste & Ricard, 1982 (unassessed)
Species Navicula fabiformis A.Witkowski, C.Riaux-Gobin & G.Daniszewska-Kowalczyk, 2010 (unassessed)
Species Navicula faceta Hustedt, 1949 (unassessed)
Species Navicula facilis Krasske, 1949 (unassessed)
Species Navicula falaisiensis sensu Boye Petersen, 1915 (unassessed)
Species Navicula falax Pantocsek, 1903 (unassessed)
Species Navicula falklandiae Ehrenberg, 1854 (unassessed)
Species Navicula fallax Cleve, 1894 (unassessed)
Species Navicula falsalyra Hendey, 1970 (unassessed)
Species Navicula famelica Castracane, 1889 (unassessed)
Species Navicula famintzinii Mereschkowsky, 1902 (unassessed)
Species Navicula faoensis Pankow & Huq, 1979 (unassessed)
Species Navicula farakulumensis Foged, 1959 (unassessed)
Species Navicula farcimen Østrup, 1904 (unassessed)
Species Navicula farta Hustedt, 1966 (unassessed)
Species Navicula fastuosa Ehrenberg, 1840 (unassessed)
Species Navicula fatigans Zimmermann, 1918 (unassessed)
Species Navicula fauta Hustedt, 1954 (unassessed)
Species Navicula favus Salah, 1953 (unassessed)
Species Navicula fawumangensis Foged, 1966 (unassessed)
Species Navicula febigeri Cleve, 1881 (unassessed)
Species Navicula fenestrella Hustedt, 1955 (unassessed)
Species Navicula fennica Hustedt, 1962 (unassessed)
Species Navicula fennoscandica Cleve-Euler in Backman & Cleve-Euler, 1922 (unassessed)
Species Navicula fenzlii Grunow, 1863 (unassessed)
Species Navicula ferdinandikoburg Pantocsek, 1912 (unassessed)
Species Navicula fernandae D. Metzeltin, H. Lange-Bertalot & F. García-Rodríguez, 2005 (unassessed)
Species Navicula fernandesii Moura, 1963 (unassessed)
Species Navicula ferrazae Cholnoky, 1968 (unassessed)
Species Navicula festinans Bory, 1824 (unassessed)
Species Navicula festiva Krasske, 1925 (unassessed)
Species Navicula feuerborni Hustedt, 1937 (unassessed)
Species Navicula filarszkyana Pantocsek & Greguss in Greguss, 1913 (unassessed)
Species Navicula filarszkyi Pantocsek, 1903 (unassessed)
Species Navicula filholi Soubeiran, 1858 (unassessed)
Species Navicula filiformis Pantocsek, 1905 (unassessed)
Species Navicula finitima Hustedt, 1949 (unassessed)
Species Navicula finitima Janisch, 1888 (unassessed)
Species Navicula firma Donkin, 1871 (unassessed)
Species Navicula fistula A.Schmidt, 1874 (unassessed)
Species Navicula flabellata Meister, 1932 (unassessed)
Species Navicula flagellifera Hustedt, 1939 (unassessed)
Species Navicula flahaulti Lauby, 1910 (unassessed)
Species Navicula flamma Schmidt in Schmidt et al., 1876 (unassessed)
Species Navicula flammarionensis Van Landingham, 1975 (unassessed)
Species Navicula flammula Schmidt in Schmidt et al., 1876 (unassessed)
Species Navicula flanatica Schmidt in Schmidt in Schmidt et al., 1876 (unassessed)
Species Navicula flattii Pantocsek, 1892 (unassessed)
Species Navicula flavasinensis Moghadam, 1969 (unassessed)
Species Navicula flavasinus Moghadam, 1969 (unassessed)
Species Navicula flebilis Cholnoky, 1963 (unassessed)
Species Navicula flexuosa Ehrenberg, 1832 (unassessed)
Species Navicula florentina Grunow, 1877 (unassessed)
Species Navicula floridana Cleve, 1881 (unassessed)
Species Navicula florinae Møller, 1950 (unassessed)
Species Navicula flotowii Grunow, 1880 (unassessed)
Species Navicula fluitans Brun (unassessed)
Species Navicula fluminensis (unassessed)
Species Navicula fluminisirtysch Tschistjakov, 1959 (unassessed)
Species Navicula fluminitica Camburn, 1978 (unassessed)
Species Navicula fluviae-jenisseyi Skvortzow, 1971 (unassessed)
Species Navicula fluviatilis Hustedt, 1957 (unassessed)
Species Navicula foederata Grunow ex Moller, 1881 (unassessed)
Species Navicula foerarmensis M. Peragallo, 1903 (unassessed)
Species Navicula fogedii Schoeman in Schoeman & Meaton, 1982 (unassessed)
Species Navicula foliola Tempère & Brun in Brun & Tempère, 1889 (unassessed)
Species Navicula folium Ehrenberg, 1840 (unassessed)
Species Navicula follis Ehrenberg, 1838 † (unassessed)
Species Navicula fontelli Cleve-Euler, 1934 (unassessed)
Species Navicula fonticola Grunow, 1880 (unassessed)
Species Navicula fontinalis Grunow, 1885 (unassessed)
Species Navicula formenterae Cleve, 1895 (unassessed)
Species Navicula formicata Krasske, 1939 (unassessed)
Species Navicula formicina Grunow in Cleve, 1878 (unassessed)
Species Navicula fortii Pantocsek, 1908 (unassessed)
Species Navicula fortis sensu Schmidt in Schmidt et al., 1876 (unassessed)
Species Navicula fortunata Leuduger-Fortmorel, 1879 (unassessed)
Species Navicula fossaloides Hustedt, 1957 (unassessed)
Species Navicula fossilioides Manguin ex Kociolek & Reviers, 1996 (unassessed)
Species Navicula fossilis Ehrenberg, 1854 (unassessed)
Species Navicula foveana Peragallo & Peragallo, 1897-1908 (unassessed)
Species Navicula fracta Hustedt, 1987 (unassessed)
Species Navicula fragilis (Greville) Heiberg (unassessed)
Species Navicula fragilis Skvortzow & Meyer, 1928 (unassessed)
Species Navicula franciscae O'Meara, 1876 (unassessed)
Species Navicula franconiana (Reinsch; Rabenhorst) M. Peragallo, 1903 (unassessed)
Species Navicula frasnensis Fusey, 1848 (unassessed)
Species Navicula fraudulenta A.Schmidt, 1881 (unassessed)
Species Navicula freesei Patrick & Freese, 1961 (unassessed)
Species Navicula frenguelli Reinhold, 1937 (unassessed)
Species Navicula frequens Van Heurck, 1909 (unassessed)
Species Navicula frickei Van Heurck, 1909 (unassessed)
Species Navicula frickei Pantocsek, 1902 (unassessed)
Species Navicula friesneri Reimer, 1961 (unassessed)
Species Navicula frigida Grunow, 1880 (unassessed)
Species Navicula frigida Manguin, 1957 (unassessed)
Species Navicula frigida Manguin, 1960 (unassessed)
Species Navicula frigida sensu E. Jorgensen, 1905 (unassessed)
Species Navicula frigidicola D. Metzeltin, H. Lange-Bertalot & S. Nergui, 2009 (unassessed)
Species Navicula frisiae Brockmann, 1914 (unassessed)
Species Navicula friska Carter, 1966 (unassessed)
Species Navicula fritschii J.W.G.Lund, 1946 (unassessed)
Species Navicula fritschii sensu Foged, 1958 (unassessed)
Species Navicula fromenterae Cleve, 1881 (unassessed)
Species Navicula frugalis Hustedt, 1957 (unassessed)
Species Navicula frustuliaeformis Cholnoky, 1960 (unassessed)
Species Navicula frustuloides Patrick, 1936 (unassessed)
Species Navicula frustulum Hustedt, 1945 (unassessed)
Species Navicula fuchsii Pantocsek, 1889 (unassessed)
Species Navicula fucicola Taasen, 1975 (unassessed)
Species Navicula fuegiana Frenguelli (unassessed)
Species Navicula fuenzalidae Frenguelli, 1938 (unassessed)
Species Navicula fujianensis Chin & Cheng, 1979 (unassessed)
Species Navicula fukiensis Skvortzow, 1929 (unassessed)
Species Navicula fulva Brebisson in Brebisson & Godey, 1835 (unassessed)
Species Navicula fundata Hustedt, 1964 (unassessed)
Species Navicula funiculata Mann, 1925 (unassessed)
Species Navicula furtiva E.Manguin, 1952 (unassessed)
Species Navicula fusca Donkin, 1870 (unassessed)
Species Navicula fuscata Schumann, 1867 (unassessed)
Species Navicula fuscus Bory, 1824 (unassessed)
Species Navicula fusidium Ehrenberg, 1843 (unassessed)
Species Navicula fusiformis Ehrenberg, 1830 (unassessed)
Species Navicula fusiformis Grunow, 1877 (unassessed)
Species Navicula fusiformis sensu Meunier, 1910 (unassessed)
Species Navicula fusioides Grunow, 1880 (unassessed)
Species Navicula fusoides Grunow, 1880 (unassessed)
Species Navicula fusticulus Østrup, 1910 (unassessed)
Species Navicula fustis Østrup, 1918 (1920) (unassessed)
Species Navicula fusus (O.F. Müller) Bory, 1827 (unassessed)
Species Navicula fusus (Ehrenberg) De Toni, 1891 (unassessed)
Species Navicula futilis Schmidt in Schmidt et al., 1875 (unassessed)
Species Navicula gaillonii Bory de Saint-Vincent, 1824 (unassessed)
Species Navicula gainii M. Peragallo, 1921 (unassessed)
Species Navicula galapagensis (unassessed)
Species Navicula galapagoensis Seddon & Witkowski, 2011 (unassessed)
Species Navicula galea Brun, 1891 (unassessed)
Species Navicula galikii (Pantocsek) Cleve, 1889 (unassessed)
Species Navicula gálikii Pantocsek, 1889 (unassessed)
Species Navicula gallapagensis Cleve (unassessed)
Species Navicula gallica (W.Smith) Lagerstedt, 1873 (unassessed)
Species Navicula gallica Manguin, 1943 (unassessed)
Species Navicula galvagensis O'Meara, 1876 (unassessed)
Species Navicula gamma Cleve (unassessed)
Species Navicula gandhii Meister, 1932 (unassessed)
Species Navicula garkeana (Grunow) Cleve, 1894 (unassessed)
Species Navicula gasilidei Héribaud in Héribaud et al., 1920 (unassessed)
Species Navicula gastriformis Hustedt in Schmidt et al., 1934 (unassessed)
Species Navicula gastroides Harting, 1852 (unassessed)
Species Navicula gastroides Gregory, 1855 (unassessed)
Species Navicula gastrum sensu Pantocsek, 1902 (unassessed)
Species Navicula gaufinii Moghadam, 1969 (unassessed)
Species Navicula gaufinii Moghadam, 1969 (unassessed)
Species Navicula gaussii (Heiden) Hustedt (unassessed)
Species Navicula gauthieri Amossé (unassessed)
Species Navicula gawaniensis Gasse, 1986 (unassessed)
Species Navicula gebhardi Krasske, 1938 (unassessed)
Species Navicula geinitzi Bünte (unassessed)
Species Navicula geisslerae R. Jahn, 1992 (unassessed)
Species Navicula geitleri Hustedt, 1937 (unassessed)
Species Navicula geitleri Guermeur & Manguin, 1953 (unassessed)
Species Navicula gelida Cleve, 1883 (unassessed)
Species Navicula gemina A. Schmidt, 1875 (unassessed)
Species Navicula gemina Ehrenberg, 1840 (unassessed)
Species Navicula geminata Turpin, 1828 (unassessed)
Species Navicula gemma Ehrenberg, 1840 (unassessed)
Species Navicula gemmatula Cleve, 1885 (unassessed)
Species Navicula gemmifera R.Simonsen, 1960 (unassessed)
Species Navicula gendrei Héribaud-Joseph (unassessed)
Species Navicula genestoermeri A.Witkowski, H-Lange-Bertalot & J.P.Kociolek, 2009 (unassessed)
Species Navicula geniculata Germain, 1937 (unassessed)
Species Navicula genifera Schmidt in Schmidt et al., 1874 (unassessed)
Species Navicula genovefae Fusey, 1951 (unassessed)
Species Navicula genuflexa Kützing, 1844 (unassessed)
Species Navicula genustriata Hustedt, 1942 (unassessed)
Species Navicula gerloffii Schimanski, 1978 (unassessed)
Species Navicula germainii Wallace, 1960 (unassessed)
Species Navicula germanopolonica Witkowski & Lange-Bertalot, 1993 (unassessed)
Species Navicula geronimensis M. Potapova in Potapova, M. & Charles, D.F., 2004 (unassessed)
Species Navicula gianfranchii Zanon, 1929 (unassessed)
Species Navicula gibba Ehrenberg, 1830 (unassessed)
Species Navicula gibba sensu Donkin, 1872 (unassessed)
Species Navicula gibba sensu Van Heurck, 1885 (unassessed)
Species Navicula giebelii Schmidt, 1874 (unassessed)
Species Navicula gieniaflorentina A.Witkowski, Lange-Bertalot, A.Brzeziska & J.P.Kociolek, 2009 (unassessed)
Species Navicula gieskesii Cholnoky, 1963 (unassessed)
Species Navicula giffeniana Foged, 1975 (unassessed)
Species Navicula gigantea Hustedt, 1961 (unassessed)
Species Navicula gigantorum Cholnoky, 1960 (unassessed)
Species Navicula gigas Castracane, 1866 (unassessed)
Species Navicula gigas sensu Tempère & Peragallo, 1911 (unassessed)
Species Navicula gigas sensu Schmidt in Schmidt et al., 1876 (unassessed)
Species Navicula gilva Archibald, 1971 (unassessed)
Species Navicula giovannettiae Guermeur, 1954 (unassessed)
Species Navicula giriodi Lauby, 1910 (unassessed)
Species Navicula girondica Konig, 1959 (unassessed)
Species Navicula glaberrima West & G.S.West, 1911 (unassessed)
Species Navicula glabra Østrup, 1918 (unassessed)
Species Navicula glabrissima Mann, 1925 (unassessed)
Species Navicula glaciei Van Heurck, 1909 (unassessed)
Species Navicula glangeaudi Lauby, 1910 (unassessed)
Species Navicula glans Ehrenberg, 1838 (unassessed)
Species Navicula globiceps Lagerstedt, 1873 (unassessed)
Species Navicula globiceps W. & G.S. West, 1911 (unassessed)
Species Navicula globiceps Grunow in Cleve & Grunow, 1880 (unassessed)
Species Navicula globifera O'Meara, 1876 (unassessed)
Species Navicula globosa Meister, 1934 (unassessed)
Species Navicula globosaoides Foged, 1970 (unassessed)
Species Navicula globuliferiformis Lange-Bertalot, 1993 (unassessed)
Species Navicula glomus J.R.Carter, 1981 (unassessed)
Species Navicula gloriosa Brun (unassessed)
Species Navicula gloriosa Cleve-Euler, 1953 (unassessed)
Species Navicula godfroyi M. Peragallo, 1921 (unassessed)
Species Navicula goersii Bahls, 1983 (unassessed)
Species Navicula goesii Cleve, 1878 (unassessed)
Species Navicula gomontiana Héribaud, 1902 (unassessed)
Species Navicula gomphonemacea Grunow in Van Heurck, 1880 (unassessed)
Species Navicula gomphonemacea Østrup in Héribaud et al., 1920 (unassessed)
Species Navicula gomphonemoides Østrup, 1910 (unassessed)
Species Navicula gondwana Lange-Bertalot, 1993 (unassessed)
Species Navicula gonzalvesiana Gandhi, 1955 (unassessed)
Species Navicula gottlandica Grunow, 1880 (unassessed)
Species Navicula goulainensis Amossé, 1975 (unassessed)
Species Navicula gourdonii M. Peragallo, 1921 (unassessed)
Species Navicula gouwsii Cholnoky, 1953 (unassessed)
Species Navicula graciloides A.Mayer, 1919 (unassessed)
Species Navicula gradata Hustedt in Schmidt et al., 1936 (unassessed)
Species Navicula gradatoides Cholnoky, 1966 (unassessed)
Species Navicula gralana Carter & Denny, 1982 (unassessed)
Species Navicula grammatostoma Ehrenberg, 1841 † (unassessed)
Species Navicula grammitis Bory, 1831 (unassessed)
Species Navicula grammitis Turpin, 1827 (unassessed)
Species Navicula granii Pantocsek, 1908 (unassessed)
Species Navicula granoryza Giffen, 1966 (unassessed)
Species Navicula granulata Bailey, 1854 (unassessed)
Species Navicula granulata Ehrenberg, 1836 (unassessed)
Species Navicula granulata Brébisson in Gregory, 1855 (unassessed)
Species Navicula granulata sensu Schmidt in Schmidt et al., 1875 (unassessed)
Species Navicula granulifera Skvortzow, 1937 (unassessed)
Species Navicula granum Schumann, 1867 (unassessed)
Species Navicula granumavenae Schumann, 1867 (unassessed)
Species Navicula grasmueckii Lange-Bertalot, 1993 (unassessed)
Species Navicula grata Pantocsek, 1889 (unassessed)
Species Navicula gratissima Hustedt, 1944 (unassessed)
Species Navicula gravistriata R.M.Patrick, 1959 (unassessed)
Species Navicula gregalis Cholnoky, 1963 (unassessed)
Species Navicula gregarioides Cholnoky (unassessed)
Species Navicula gregoriana O’Meara, 1874 (unassessed)
Species Navicula gregoriana Greville, 1857 (unassessed)
Species Navicula gregorii Ralfs ex Pritchard, 1861 (unassessed)
Species Navicula gregorii O'Meara, 1875 (unassessed)
Species Navicula gretharum Simonsen, 1974 (unassessed)
Species Navicula grevilleana Hendey, 1964 (unassessed)
Species Navicula grevillei Donkin, 1871 (unassessed)
Species Navicula grevilleoides Hustedt, 1962 (unassessed)
Species Navicula griffithii M. Peragallo in Tempère & Peragallo, 1909 (unassessed)
Species Navicula grimmei Krasske, 1930 (unassessed)
Species Navicula grimmeioides H.P. Gandhi, 1998 (unassessed)
Species Navicula grimmii Krasske (unassessed)
Species Navicula grimmioides Cholnoky, 1963 (unassessed)
Species Navicula grippii Simonsen., 1966 (unassessed)
Species Navicula groenlandica Cleve, 1881 (unassessed)
Species Navicula groschopfi Hustedt, 1939 (unassessed)
Species Navicula grossepunctata Hustedt, 1944 (unassessed)
Species Navicula grovei Cleve, 1893 (unassessed)
Species Navicula grovei Meister, 1932 (unassessed)
Species Navicula groveoides Hustedt, 1966 (unassessed)
Species Navicula grudeensis Foged, 1970 (unassessed)
Species Navicula gruendleri Schmidt, 1873 (unassessed)
Species Navicula grundleri (unassessed)
Species Navicula grundleriana O'Meara, 1876 (unassessed)
Species Navicula grundtvigii Foged, 1966 (unassessed)
Species Navicula grunowiana De Toni, 1891 (unassessed)
Species Navicula grunowii Rabenhorst (unassessed)
Species Navicula grunowii O'Meara, 1876 (unassessed)
Species Navicula guadalupensis Manguin in Bourrelly & Manguin, 1952 (unassessed)
Species Navicula guarujana Zimmermann, 1918 (unassessed)
Species Navicula guayqueriae Frenguelli, 1934 (unassessed)
Species Navicula guetharyana Fusey, 1953 (unassessed)
Species Navicula guihotii Amossé, 1969 (unassessed)
Species Navicula guinardiana Brun in Brun & Tempère, 1889 (unassessed)
Species Navicula guluensis Giffen, 1963 (unassessed)
Species Navicula gurovii Pantocsek, 1892 † (unassessed)
Species Navicula guttata Grunow, 1880 (unassessed)
Species Navicula guttulifera Rabenhorst, 1853 (unassessed)
Species Navicula gutvinskii Pantocsek, 1892 (unassessed)
Species Navicula gyrinida Mann, 1907 (unassessed)
Species Navicula gysingensis Foged, 1952 (unassessed)
Species Navicula h Karsten, 1899 (unassessed)
Species Navicula habena M.H.Hohn & Hellerman, 1963 (unassessed)
Species Navicula habita Hustedt, 1952 (unassessed)
Species Navicula habitata W. Smith, 1859 (unassessed)
Species Navicula hachiroensis H. Kobayasi in Kobayasi et al., 1977 (unassessed)
Species Navicula hagelsteinii Hustedt, 1962 (unassessed)
Species Navicula hahni Petit (unassessed)
Species Navicula haitiana (unassessed)
Species Navicula hajosii Pantocsek, 1909 (unassessed)
Species Navicula h-album Cleve, 1894 (unassessed)
Species Navicula halinae A. Witkowski, H. Lange-Bertalot & D. Metzeltin, 2000 (unassessed)
Species Navicula halionata Pantocsek (unassessed)
Species Navicula halophilioides Hustedt, 1959 (unassessed)
Species Navicula hambergi Hustedt, 1924 (unassessed)
Species Navicula hamiltonii A. Witkowski, H. Lange-Bertalot & D. Metzeltin, 2000 (unassessed)
Species Navicula hancockii Schoeman in Schoeman & Meaton, 1982 (unassessed)
Species Navicula hangchowensis Skvortzow, 1937 (unassessed)
Species Navicula hankae Skvortzow, 1929 (unassessed)
Species Navicula hanseatica Lange-Bertalot & Stachura, 1998 (unassessed)
Species Navicula hanseni Möller, 1950 (unassessed)
Species Navicula hanseniana Lee & Reimer, 1984 (unassessed)
Species Navicula hantkenii Pantocsek, 1889 (unassessed)
Species Navicula haradaae Pantocsek, 1892 (unassessed)
Species Navicula harbinensis Skvortzow, 1937 (unassessed)
Species Navicula harderi Hustedt, 1949 (unassessed)
Species Navicula hariola Cholnoky, 1966 (unassessed)
Species Navicula harpa Ehrenberg, 1846 (unassessed)
Species Navicula harrisoniana Cholnoky, 1959 (unassessed)
Species Navicula hartii Cholnoky, 1963 (unassessed)
Species Navicula hartzii Foged, 1962 (unassessed)
Species Navicula hassiaca Krasske, 1925 (unassessed)
Species Navicula hastaeformis Cholnoky, 1960 (unassessed)
Species Navicula hastata Jurilj, 1954 † (unassessed)
Species Navicula hastatula Lange-Bertalot & Miho, 2001 (unassessed)
Species Navicula hauckii Cleve, 1881 (unassessed)
Species Navicula haueri Grunow (unassessed)
Species Navicula hawaiiensis Johansen in Rushforth, Kaczmarska & Johansen, 1984 (unassessed)
Species Navicula haynaldii Pantocsek, 1889 (unassessed)
Species Navicula haytiana Truan y Luard & Witt, 1888 (unassessed)
Species Navicula hazslinsky (unassessed)
Species Navicula hazslinszkyi Pantocsek, 1889 (unassessed)
Species Navicula hebetata W. Smith, 1859 (unassessed)
Species Navicula hebridensis Gregory (unassessed)
Species Navicula hecateia Cholnoky, 1965 (unassessed)
Species Navicula hedini Hustedt, 1922 (unassessed)
Species Navicula heerii Pantocsek, 1889 (unassessed)
Species Navicula heidenii (Heiden) Simonsen, 1992 (unassessed)
Species Navicula heilprinensis Foged, 1955 (unassessed)
Species Navicula heimansii van Dam & Kooyman, 1982 (unassessed)
Species Navicula heimansioides Lange-Bertalot, 1993 (unassessed)
Species Navicula heimii Manguin (unassessed)
Species Navicula helea Frenguelli, 1933 (unassessed)
Species Navicula helensis Schulz, 1926 (unassessed)
Species Navicula helensoides Archibald, 1966 (unassessed)
Species Navicula helmandensis Foged, 1959 (unassessed)
Species Navicula helminae Heiden (unassessed)
Species Navicula hemilyrata Missuna, 1914 (unassessed)
Species Navicula hemiptera sensu Schmidt in Schmidt et al., 1876 (unassessed)
Species Navicula hemiviridula M. Peragallo in Héribaud et al., 1920 (unassessed)
Species Navicula henckeli Skvortzow & Meyer, 1928 (unassessed)
Species Navicula hennedii Janisch, 1862 (unassessed)
Species Navicula hennedyella Hustedt, 1987 (unassessed)
Species Navicula hennedyi W.Smith, 1856 (unassessed)
Species Navicula hennedyi sensu Witt, 1885 (unassessed)
Species Navicula hennedyoides Hustedt, 1964 (unassessed)
Species Navicula henriquesii Zimmermann, 1917 (unassessed)
Species Navicula herbstiae Metzeltin & Lange-Bertalot, 1998 (unassessed)
Species Navicula heribaudi M.Peragallo (unassessed)
Species Navicula heroina A.W.F.Schmidt, 1876 (unassessed)
Species Navicula herrmanii Reichelt in Cleve, 1894 (unassessed)
Species Navicula heteroflexa Pantocsek (unassessed)
Species Navicula hetero-punctata Chin & Cheng, 1979 (unassessed)
Species Navicula heterostauron Germain, 1937 (unassessed)
Species Navicula heterosticha Yartseva, 1960 (unassessed)
Species Navicula heterostriata Fusey, 1948 (unassessed)
Species Navicula heterovalvata R.Simonsen, 2012 (unassessed)
Species Navicula heufleri Grunow, 1860 (unassessed)
Species Navicula hevesensis Pantocsek, 1889 (unassessed)
Species Navicula heviziana Gallik, 1935 (unassessed)
Species Navicula hexagona Torka, 1933 (unassessed)
Species Navicula hexapla A.W.F.Schmidt, 1877 (unassessed)
Species Navicula hibernica O’Meara, 1875 (unassessed)
Species Navicula hibschii Reichelt collection, 1900 (unassessed)
Species Navicula higleri A.Witkowski & Lange-Bertalot, 2009 (unassessed)
Species Navicula hilarula Pantocsek, 1892 (unassessed)
Species Navicula hilliardii Manguin ex Kociolek & Reviers, 1996 (unassessed)
Species Navicula hintzii Lange-Bertalot, 1993 (unassessed)
Species Navicula hippodontaformis A. Witkowski, C. Riaux-Gobin & G. Daniszewska-Kowalczyk, 2010 (unassessed)
Species Navicula hirudo Rabenhorst, 1864 (unassessed)
Species Navicula hochstetteriana Grunow, 1867 (unassessed)
Species Navicula hodgeana Patrick & Freese, 1961 (unassessed)
Species Navicula hoefleri Cholnoky & Schindler (unassessed)
Species Navicula hoevsgoelreinhardtii M.B.Edlund & N.Soninkhishing, 2009 (unassessed)
Species Navicula hoffmannii Pantocsek, 1889 (unassessed)
Species Navicula hofmanniae Lange-Bertalot, 1993 (unassessed)
Species Navicula hohnii VanLandingham, 1975 (unassessed)
Species Navicula hollandica Cholnoky, 1963 (unassessed)
Species Navicula hollerupensis Foged, 1962 (unassessed)
Species Navicula holmenii N.Foged, 1955 (unassessed)
Species Navicula holmiensis Cleve, 1881 (unassessed)
Species Navicula holstii Cleve, 1881 (unassessed)
Species Navicula holubyi Pantocsek, 1886 (unassessed)
Species Navicula homburgiana Hustedt, 1966 (unassessed)
Species Navicula honesta Fontell in Man., Cleve-Euler, 1953 (unassessed)
Species Navicula hongkongensis Skvortzov, 1975 (unassessed)
Species Navicula hordeiformis Pantocsek, 1889 (unassessed)
Species Navicula hornigii Pantocsek, 1892 (unassessed)
Species Navicula horstii D. Metzeltin in D. Metzeltin & H. Lange-Bertalot, 2002 (unassessed)
Species Navicula horvathii Grunow, 1860 (unassessed)
Species Navicula hospes Schmidt in Schmidt et al., 1875 (unassessed)
Species Navicula hovassei Manguin, 1954 (unassessed)
Species Navicula hudsonis Grunow, 1891 (unassessed)
Species Navicula huei (unassessed)
Species Navicula hugenottarum Cholnoky, 1959 (unassessed)
Species Navicula humboldtiana H. Lange-Bertalot & Rumrich in U. Rumrich, H. Lange-Bertalot & M. Rumrich, 2000 (unassessed)
Species Navicula humilis Donkin, 1872 (unassessed)
Species Navicula humjibreensis Foged, 1966 (unassessed)
Species Navicula hummii Hustedt, 1955 (unassessed)
Species Navicula huniensis Foged, 1966 (unassessed)
Species Navicula hustedtiana Simonsen, 1959 (unassessed)
Species Navicula hustedtii Krasske, 1923 (unassessed)
Species Navicula hustedtii sensu Foged, 1958 (unassessed)
Species Navicula hyalina Hajós, 1968 (unassessed)
Species Navicula hyalinula De Toni, 1891 (unassessed)
Species Navicula hyalosira Cleve, 1891 (unassessed)
Species Navicula hyalosirella Hustedt, 1987 (unassessed)
Species Navicula hybrida M. Peragallo & Héribaud in Héribaud, 1893 (unassessed)
Species Navicula hyperborea Grunow, 1860 (unassessed)
Species Navicula hypothetica (unassessed)
Species Navicula hyrtlii Pantocsek (unassessed)
Species Navicula iasnitskii Skvortzow & Meyer, 1928 (unassessed)
Species Navicula iberica Azpeitia, 1911 (unassessed)
Species Navicula ignobilis Pantocsek, 1889 (unassessed)
Species Navicula ignobilis Krasske, 1938 (unassessed)
Species Navicula ignorata Schimanski, 1978 (unassessed)
Species Navicula ignota Krasske, 1932 (unassessed)
Species Navicula ikarii (unassessed)
Species Navicula illicita Manguin ex Kociolek & Reviers, 1996 (unassessed)
Species Navicula illinoensis Ehrenberg, 1854 (unassessed)
Species Navicula illustrioides Hustedt, 1964 (unassessed)
Species Navicula illustris Krasske, 1951 (unassessed)
Species Navicula ilopangoensis Hustedt, 1956 (unassessed)
Species Navicula imbecilla Cholnoky, 1959 (unassessed)
Species Navicula imbellis M.H.Hohn & Hellerman, 1963 (unassessed)
Species Navicula imbricata Bock, 1962 (unassessed)
Species Navicula imitans A.Mann, 1925 (unassessed)
Species Navicula impangenica Cholnoky, 1968 (unassessed)
Species Navicula impercepta Hustedt, 1964 (unassessed)
Species Navicula imperialis (Ehrenberg) Kützing, 1849 (unassessed)
Species Navicula impertila Hohn & Hellerman, 1966 (unassessed)
Species Navicula impexa Hustedt, 1961 (unassessed)
Species Navicula implana Hustedt, 1964 (unassessed)
Species Navicula impleta Cleve & Grove, 1891 (unassessed)
Species Navicula importuna Hustedt, 1942 (unassessed)
Species Navicula impressa Grunow in Schmidt et al., 1875 (unassessed)
Species Navicula impressa Lagerstedt in A. Schmidt, 1876 (unassessed)
Species Navicula inaequalis Ehrenberg, 1836 † (unassessed)
Species Navicula inaequalis Crouan fr. in Schramm & Mazé, 1866 (unassessed)
Species Navicula inaequalis Crouan fr. in Schramm & Mazé, 1865 (unassessed)
Species Navicula inaequilatera Lagerstedt, 1873 (unassessed)
Species Navicula inaequistriata Rattray, 1887 (1888) (unassessed)
Species Navicula inattingens R.Simonsen, 1959 (unassessed)
Species Navicula inaurata Hendey, 1958 (unassessed)
Species Navicula incarum U.Rumrich & Lange-Bertalot (unassessed)
Species Navicula incerta Ehrenberg, 1837 (unassessed)
Species Navicula incertata Lange-Bertalot, 1985 (unassessed)
Species Navicula incisa O'Meara, 1876 (unassessed)
Species Navicula incisa Meister, 1932 (unassessed)
Species Navicula inclementis Hendey, 1964 (unassessed)
Species Navicula inclinata Hustedt, 1945 (unassessed)
Species Navicula includens Pantocsek, 1892 (unassessed)
Species Navicula incoacta Hustedt, 1987 (unassessed)
Species Navicula incognita Krasske, 1932 (unassessed)
Species Navicula incomitatus M.H.Hohn & Hellerman, 1963 (unassessed)
Species Navicula incomperta Lewis (unassessed)
Species Navicula incompta Krasske, 1932 (unassessed)
Species Navicula incongruens Hendey, 1977 (unassessed)
Species Navicula inconspicua Gregory, 1857 (unassessed)
Species Navicula incudiformis Grunow in Cleve, 1883 (unassessed)
Species Navicula inculta Pantocsek, 1892 (unassessed)
Species Navicula inculta Manguin, 1964 (unassessed)
Species Navicula incurva (unassessed)
Species Navicula incurvata Gregory, 1856 (unassessed)
Species Navicula indefinita M. Peragallo in Tempère & Peragallo, 1908 (unassessed)
Species Navicula indemnis M.H.Hohn & Hellerman, 1963 (unassessed)
Species Navicula index Tempère & Brun in Brun & Tempère, 1889 (unassessed)
Species Navicula indianensis Reimer, 1961 (unassessed)
Species Navicula indica Ehrenberg, 1845 (unassessed)
Species Navicula indicatrix VanLandingham, 1975 (unassessed)
Species Navicula indifferens Hustedt, 1942 (unassessed)
Species Navicula indigens Mann, 1925 (unassessed)
Species Navicula inducens Cholnoky, 1963 (unassessed)
Species Navicula indulgens Simonsen, 1959 (unassessed)
Species Navicula inelegans Grove & Sturt, 1887 (unassessed)
Species Navicula inexacta A. Mann, 1925 (unassessed)
Species Navicula inexpectans J.R.Carter, 1964 (unassessed)
Species Navicula inexplorata Krasske, 1939 (unassessed)
Species Navicula inexspectans Carter, 1964 (unassessed)
Species Navicula infaceta Cholnoky, 1959 (unassessed)
Species Navicula infirma Grunow, 1882 (unassessed)
Species Navicula infirma Manguin, 1941 (unassessed)
Species Navicula infirmata Hustedt & Manguin in Rabenhorst, 1962 (unassessed)
Species Navicula infirmitata Giffen, 1975 (unassessed)
Species Navicula inflasa Rabenhorst, 1859 (unassessed)
Species Navicula inflata Donkin, 1870 (unassessed)
Species Navicula inflata Gandhi, 1970 (unassessed)
Species Navicula inflata Grunow in Cleve & Möller, 1879 (unassessed)
Species Navicula inflatoides H.P. Gandhi, 1998 (unassessed)
Species Navicula informe Grunow (unassessed)
Species Navicula infrenis M.H.Hohn & Hellerman, 1963 (unassessed)
Species Navicula ingapirca H. Lange-Bertalot & Rumrich in U. Rumrich, H. Lange-Bertalot & M. Rumrich, 2000 (unassessed)
Species Navicula ingens Mann, 1925 (unassessed)
Species Navicula ingenua Hustedt, 1957 (unassessed)
Species Navicula ingoldii Foged, 1966 (unassessed)
Species Navicula ingstadii Foged, 1964 (unassessed)
Species Navicula ingustata Cholnoky, 1962 (unassessed)
Species Navicula iniqua Krasske, 1932 (unassessed)
Species Navicula injusta Simonsen, 1959 (unassessed)
Species Navicula innommata Leuduger-Fortmorel, 1892 (unassessed)
Species Navicula inornata Grunow, 1880 (unassessed)
Species Navicula inpossibilis Cholnoky, 1966 (unassessed)
Species Navicula inpunctata Cholnoky, 1957 (unassessed)
Species Navicula inquisitor Cholnoky, 1968 (unassessed)
Species Navicula inscendens Pantocsek, 1905 (unassessed)
Species Navicula inscriptura Hendey, 1977 (unassessed)
Species Navicula insepta Carter & Denny, 1982 (unassessed)
Species Navicula insequens Hustedt, 1955 (unassessed)
Species Navicula inseriata Hajós, 1968 (unassessed)
Species Navicula insignificans Mann, 1925 (unassessed)
Species Navicula insignis Pantocsek, 1889 (unassessed)
Species Navicula insociabilis sensu Hustedt in Schmidt et al., 1934 (unassessed)
Species Navicula insolata Loseva, 1983 (unassessed)
Species Navicula insolita É.Manguin ex J.P.Kociolek & B.de Reviers, 1996 (unassessed)
Species Navicula insolubilis Cholnoky, 1963 (unassessed)
Species Navicula insularis Ehrenberg, 1841 (unassessed)
Species Navicula insularis Cleve-Euler, 1953 (unassessed)
Species Navicula insulsa Metzeltin & Lange-Bertalot, 1998 (unassessed)
Species Navicula insulsa Manguin, 1952 (unassessed)
Species Navicula insuta Manguin, 1960 (unassessed)
Species Navicula intacta Pantocsek, 1902 (unassessed)
Species Navicula intercedens Schmidt in Schmidt et al., 1890 (unassessed)
Species Navicula interglacialis Hustedt, 1944 (unassessed)
Species Navicula interlineata Grove & Sturt, 1886 (unassessed)
Species Navicula intermedia (Grunow in Schmidt et al.) Mann, 1907 (unassessed)
Species Navicula intermixta Hustedt, 1966 (unassessed)
Species Navicula interposita Lewis, 1865 (unassessed)
Species Navicula interrupta Marsson, 1900 (unassessed)
Species Navicula interrupta Hustedt & Ehrenberg in Ehrenberg (unassessed)
Species Navicula interruptestriata Simonsen in Schwabe & Simonsen, 1961 (unassessed)
Species Navicula interversa Peragallo & Peragallo, 1911 (unassessed)
Species Navicula intestinalis Lange-Bertalot & A.Witkowski, 2009 (unassessed)
Species Navicula intractata Hustedt, 1961 (unassessed)
Species Navicula intricata Karajeva, 1963 (unassessed)
Species Navicula inutilis Krasske, 1949 (unassessed)
Species Navicula invenusta Mann, 1907 (unassessed)
Species Navicula inversa Ehrenberg, 1840 (unassessed)
Species Navicula investigata Heiden, 1905 (unassessed)
Species Navicula invicta Hustedt in Schmidt et al., 1936 (unassessed)
Species Navicula invisitata Heiden in Schmidt et al., 1905 (unassessed)
Species Navicula involata Carter & Denny, 1982 (unassessed)
Species Navicula involuta Mayer, 1919 (unassessed)
Species Navicula iota Cleve, 1894 (unassessed)
Species Navicula iranensis Hustedt, 1962 (unassessed)
Species Navicula irata Krasske, 1932 (unassessed)
Species Navicula iridescens Mann, 1925 (unassessed)
Species Navicula irmengardis Lange-Bertalot, 1996 (unassessed)
Species Navicula irminae A. Witkowski, C. Riaux-Gobin & G. Daniszewska-Kowalczyk, 2010 (unassessed)
Species Navicula irregularis Pantocsek, 1889 (unassessed)
Species Navicula irregularis Gasse, 1975 (unassessed)
Species Navicula irreversa Cholnoky, 1965 (unassessed)
Species Navicula irritans Cholnoky, 1959 (unassessed)
Species Navicula irritans Simonsen, 1959 (unassessed)
Species Navicula irrorata sensu Schmidt in Schmidt et al., 1874 (unassessed)
Species Navicula isabelensiformis Seddon & Witkowski, 2011 (unassessed)
Species Navicula isabelensiminor Seddon & Witkowski, 2011 (unassessed)
Species Navicula isabelensis Seddon & Witkowski, 2011 (unassessed)
Species Navicula isabelensoides Seddon & Witkowski, 2011 (unassessed)
Species Navicula iserentantii Lange-Bertalot & Witkowski, 2000 † (unassessed)
Species Navicula isertii Foged, 1966 (unassessed)
Species Navicula islandica Østrup, 1918 (unassessed)
Species Navicula islandica Grunow in Cleve & Möller, 1879 (unassessed)
Species Navicula isolata K.E. Lohman, 1957 (unassessed)
Species Navicula isolita Manguin, 1960 (unassessed)
Species Navicula isostauron Ehrenberg, 1841 (unassessed)
Species Navicula iversenii Foged, 1962 (unassessed)
Species Navicula ivigtutensis Foged, 1953 (unassessed)
Species Navicula izsopallagae Heiden in Schmidt et al., 1905 (unassessed)
Species Navicula jaagi (unassessed)
Species Navicula jacksoni Schrader, 1969 (unassessed)
Species Navicula jacobii Manguin in Bourrelly & Manguin, 1952 (unassessed)
Species Navicula jacotiae Schoeman, 1970 (unassessed)
Species Navicula jacuda Pantocsek, 1902 (unassessed)
Species Navicula jaernefelti Hustedt in Schmidt et al., 1936 (unassessed)
Species Navicula jaernefeltii Hustedt, 1942 (unassessed)
Species Navicula jaernefeltioides Ricard, 1975 (unassessed)
Species Navicula jakhalsensis VanLandingham, 1975 (unassessed)
Species Navicula jakkalsica Cholnoky, 1955 (unassessed)
Species Navicula jakovljevici Hustedt, 1945 (unassessed)
Species Navicula jamaicensis Greville (unassessed)
Species Navicula janischiana Rabenhorst in Janisch & Rabenhorst, 1862 (unassessed)
Species Navicula janischii Castracane, 1886 (unassessed)
Species Navicula japonica Heiden, 1903 (unassessed)
Species Navicula jarnefelti (unassessed)
Species Navicula jarrensis (unassessed)
Species Navicula javanenesis Leuduger-Fortmorel, 1892 (unassessed)
Species Navicula javanica Grunow, 1867 (unassessed)
Species Navicula jeffreyi Hallegraeff & Burford, 1996 (unassessed)
Species Navicula jejuna A.W.F.Schmidt (unassessed)
Species Navicula jejunoides Van Heurck (unassessed)
Species Navicula jelineckiana (unassessed)
Species Navicula jelinekiana Grunow, 1867 (unassessed)
Species Navicula jennerii W.Smith, 1853 (unassessed)
Species Navicula jequitinhonhae Zimmermann, 1919 (unassessed)
Species Navicula jessenii Foged, 1962 (unassessed)
Species Navicula jimboi Pantocsek, 1892 (unassessed)
Species Navicula jkarii Skvortzow, 1929 (unassessed)
Species Navicula jogensis H.P. Gandhi, 1998 (unassessed)
Species Navicula johanrossii Giffen, 1967 (unassessed)
Species Navicula johnsoniana Greville, 1863 (unassessed)
Species Navicula jonssoni Østrup, 1918 (unassessed)
Species Navicula jordani Ehrenberg, 1854 (unassessed)
Species Navicula josephi Pantocsek, 1902 (unassessed)
Species Navicula josephinorum Zanon, 1928 (unassessed)
Species Navicula jota (unassessed)
Species Navicula joubaudii H.Germain, 1982 (unassessed)
Species Navicula joursacensis Héribaud, 1903 (unassessed)
Species Navicula jouseana Skvortzow, 1971 (unassessed)
Species Navicula juanitalinda D. Metzeltin, H. Lange-Bertalot & F. García-Rodríguez, 2005 (unassessed)
Species Navicula jucuda Cleve-Euler, 1948 (unassessed)
Species Navicula jucuda Pantocsek, 1902 (unassessed)
Species Navicula jugata Cleve, 1881 (unassessed)
Species Navicula jugifera Hustedt in Schmidt et al., 1936 (unassessed)
Species Navicula julieni Héribaud & Brun in Héribaud, 1893 (unassessed)
Species Navicula jurassensis Fusey, 1948 (unassessed)
Species Navicula jurgensii Kützing, 1844 (unassessed)
Species Navicula jurilji Hajós, 1968 (unassessed)
Species Navicula justa Hustedt, 1955 (unassessed)
Species Navicula juvenis (Ehrenberg) F.W. Mills, 1934 (unassessed)
Species Navicula kaapensis Cholnoky, 1955 (unassessed)
Species Navicula kaelfvensis Grunow Ms. in Cleve, 1894 (unassessed)
Species Navicula kaikonkiensis Woodhead & Tweed, 1960 (unassessed)
Species Navicula kalganica Skvortzow, 1935 (unassessed)
Species Navicula kamorthensis Grunow, 1863 (unassessed)
Species Navicula kamorthensis Schmidt in Schmidt et al., 1875 (unassessed)
Species Navicula kanemi Iltis, 1971 (unassessed)
Species Navicula kanitzii Pantocsek, 1892 (unassessed)
Species Navicula kantsiensis Giffen, 1967 (unassessed)
Species Navicula kappa Cleve, 1894 (unassessed)
Species Navicula karelia (Cleve) M. Peragallo, 1903 (unassessed)
Species Navicula karelica Cleve-Euler (unassessed)
Species Navicula kariana Meunier, 1910 (unassessed)
Species Navicula karsia Hohn, 1961 (unassessed)
Species Navicula karstenii Pantocsek, 1902 (unassessed)
Species Navicula karyokonites Cleve, 1883 (unassessed)
Species Navicula kawamurae Skvortzow, 1936 (unassessed)
Species Navicula keeleyi Patrick, 1945 (unassessed)
Species Navicula kefvingensis sensu Pantocsek, 1902 (unassessed)
Species Navicula kelleri Pantocsek, 1889 (unassessed)
Species Navicula kenaiensis McLaughlin & Stone, 1976 (unassessed)
Species Navicula kenaiensis Stone in McLaughlin & Stone, 1986 (unassessed)
Species Navicula kenon Skvortzow, 1938 (unassessed)
Species Navicula kenyae Cholnoky, 1960 (unassessed)
Species Navicula kepesii Grunow, 1884 (unassessed)
Species Navicula kerguelenensis Castracane, 1886 (unassessed)
Species Navicula kerguelensis Heiden (unassessed)
Species Navicula kernensis Hanna, 1932 (unassessed)
Species Navicula kertschiana Pantocsek, 1902 (unassessed)
Species Navicula khentiiensis D. Metzeltin, H. Lange-Bertalot & S. Nergui, 2009 (unassessed)
Species Navicula kincaidii Sovereign, 1963 (unassessed)
Species Navicula kinkeriana Pantocsek, 1892 (unassessed)
Species Navicula kinkerii Pantocsek, 1889 (unassessed)
Species Navicula kirchenpauerii De Toni, 1891 (unassessed)
Species Navicula kirchneriana Florin, 1970 (unassessed)
Species Navicula kisber M.H.Hohn & Hellerman, 1963 (unassessed)
Species Navicula kittoniana Schmidt in Schmidt et al., 1874 (unassessed)
Species Navicula kittoniana O'Meara, 1875 (unassessed)
Species Navicula kizakensis Skvortzow, 1936 (unassessed)
Species Navicula klavsenii Østrup (unassessed)
Species Navicula kleerekoperi Patrick, 1944 (unassessed)
Species Navicula knysnensis Cholnoky, 1956 (unassessed)
Species Navicula kochii Pantocsek, 1889 (unassessed)
Species Navicula koeiei Foged, 1959 (unassessed)
Species Navicula koenigi Brockmann, 1950 (unassessed)
Species Navicula kohlenbachii H. Lange-Bertalot & Rumrich in U. Rumrich, H. Lange-Bertalot & M. Rumrich, 2000 (unassessed)
Species Navicula kohlmaieri Lange-Bertalot, 1998 (unassessed)
Species Navicula kolbei Meister, 1932 (unassessed)
Species Navicula kolbei Poretzky & Anissimova, 1933 (unassessed)
Species Navicula kolentiensis Woodhead & Tweed, 1960 (unassessed)
Species Navicula kolugoensis Foged, 1966 (unassessed)
Species Navicula komarovii Poretzky, 1940 (unassessed)
Species Navicula koniamboensis Manguin ex Kociolek & Reviers, 1996 (unassessed)
Species Navicula konstantini Skabichevskií, 1952 (unassessed)
Species Navicula koreana Skvortzow, 1936 (unassessed)
Species Navicula korzeniewskii A. Witkowski, H. Lange-Bertalot & D. Metzeltin, 2000 (unassessed)
Species Navicula koslowii Pantocsek, 1913 (unassessed)
Species Navicula kossuthii Pantocsek, 1886 (unassessed)
Species Navicula kotschyana Grunow in Cleve & Grunow, 1880 (unassessed)
Species Navicula kovalchookiana Skvortzow, 1937 (unassessed)
Species Navicula kozlowii (unassessed)
Species Navicula kpongensis Foged, 1966 (unassessed)
Species Navicula kraeuselii Cholnoky, 1954 (unassessed)
Species Navicula krammeriae Lange-Bertalot in Lange-Bertalot & Metzeltin, 1996 (unassessed)
Species Navicula krasskei Hustedt, 1930 (unassessed)
Species Navicula krenneri Z.Levkov, M.B.Edlund & T.Nakov, 2008 † (unassessed)
Species Navicula kriegeri Krasske, 1943 (unassessed)
Species Navicula krockii Grunow, 1882 (unassessed)
Species Navicula krsticii Z.Levkov, 2007 (unassessed)
Species Navicula kryophila Cleve, 1883 (unassessed)
Species Navicula kuelbsii Lange-Bertalot, 1985 (unassessed)
Species Navicula kuetzingiana H.L. Smith, 1878 (unassessed)
Species Navicula kuetzingii Grunow, 1860 (unassessed)
Species Navicula kuntzei Reichelt, 1898 (unassessed)
Species Navicula kuolensis Cleve-Euler, 1934 (unassessed)
Species Navicula kuripanensis Hustedt in Schmidt et al., 1936 (unassessed)
Species Navicula kurzii Grunow in Cleve, 1878 (unassessed)
Species Navicula kuseliana H. Lange-Bertalot & Rumich in U. Rumrich, H. Lange-Bertalot & M. Rumrich, 2000 (unassessed)
Species Navicula kutzingiana H.L.Smith, 1878 (unassessed)
Species Navicula kützingiana Hilse, 1863 (unassessed)
Species Navicula kuusamensis Cleve-Euler, 1939 (unassessed)
Species Navicula kuwaitiana Hendey, 1970 (unassessed)
Species Navicula kwamkuji Hustedt, 1922 (unassessed)
Species Navicula labrobacata Bone & Gosden, 1968 (unassessed)
Species Navicula lacertosa Hustedt, 1955 (unassessed)
Species Navicula laciniosa Schmidt in Schmidt et al., 1875 (unassessed)
Species Navicula lacrimans A.W.F.Schmidt (unassessed)
Species Navicula lacuna Patrick & Freese, 1961 (unassessed)
Species Navicula lacunicola Patrick & Freese, 1961 (unassessed)
Species Navicula lacunolaciniata Lange-Bertalot & Bonik, 1976 (unassessed)
Species Navicula lacunosa Simonsen, 1992 (unassessed)
Species Navicula lacusbaicali (unassessed)
Species Navicula lacuskarluki Manguin, 1960 (unassessed)
Species Navicula lacus-karluki Manguin ex Kociolek & Reviers, 1996 (unassessed)
Species Navicula lacus-lemani (J.Brun) J.Brun (unassessed)
Species Navicula lacuslemanii (unassessed)
Species Navicula lacustris Grunow, 1860 (unassessed)
Species Navicula lacustris Schmidt, 1874 (unassessed)
Species Navicula ladogensis Cleve, 1891 (unassessed)
Species Navicula laeta A.Mayer, 1919 (unassessed)
Species Navicula laeta Ehrenberg, 1841 (unassessed)
Species Navicula laetvittata (unassessed)
Species Navicula laevimarginata Hustedt, 1966 (unassessed)
Species Navicula laevis Ehrenberg, 1854 (unassessed)
Species Navicula laevis Pantocsek, 1889 (unassessed)
Species Navicula laevis Cleve-Euler, 1922 (unassessed)
Species Navicula laevissima sensu W. Smith, 1856 (unassessed)
Species Navicula laevissima sensu Donkin, 1871 (unassessed)
Species Navicula lagerheimii sensu Manguin, 1942 (unassessed)
Species Navicula lagerheimii sensu Hustedt, 1921 (unassessed)
Species Navicula lagerstedti (unassessed)
Species Navicula lagerstedtii sensu Kolbe, 1959 (unassessed)
Species Navicula lagerstedtii O'Meara, 1876 (unassessed)
Species Navicula lagerstedtii sensu Motschi, 1907 (unassessed)
Species Navicula lagerstedtii sensu Hustedt in Schmidt et al., 1934 (unassessed)
Species Navicula lagunae Seddon & Witkowski, 2011 (unassessed)
Species Navicula laingii Foged, 1966 (unassessed)
Species Navicula lalia M.H.Hohn & Hellerman, 1963 (unassessed)
Species Navicula lambertensis Héribaud, 1903 (unassessed)
Species Navicula lamella Ehrenberg, 1840 (unassessed)
Species Navicula lamii Manguin, 1941 (unassessed)
Species Navicula lampra Schrader, 1969 (unassessed)
Species Navicula lamprocampa Ehrenberg, 1840 (unassessed)
Species Navicula lamprocarpa (unassessed)
Species Navicula lanceolata Ehrenberg, 1838 (unassessed)
Species Navicula lanceolata sensu W. Smith, 1853 (unassessed)
Species Navicula lanceolata sensu Hassall, 1845 (unassessed)
Species Navicula lancettula Schumann, 1867 (unassessed)
Species Navicula lange-bertalotii E.Reichardt, 1985 (unassessed)
Species Navicula langoraensis Foged, 1966 (unassessed)
Species Navicula lapeyrereana Tempère & M. Peragallo in Tempère & Peragallo, 1908 (unassessed)
Species Navicula lapidosa sensu Foged, 1958 (unassessed)
Species Navicula lapila J.R.Carter, 1981 (unassessed)
Species Navicula lapsa Carter & Denny, 1992 (unassessed)
Species Navicula lata Brébisson ex Kützing, 1846 (unassessed)
Species Navicula lata sensu Van Heurck, 1880 (unassessed)
Species Navicula latelongitudinalis R.M.Patrick, 1959 (unassessed)
Species Navicula latens Krasske ex Hustedt, 1934 † (unassessed)
Species Navicula lateropunctata J.H.Wallace, 1960 (unassessed)
Species Navicula latestriata Gregory (unassessed)
Species Navicula latestriata Petit & Leuduger-Fortmoral (unassessed)
Species Navicula latevittata Pantocsek, 1892 (unassessed)
Species Navicula laticeps Hustedt, 1942 (unassessed)
Species Navicula laticeps sensu Cleve-Euler, 1953 (unassessed)
Species Navicula latissima J.W. Bailey, 1854 (unassessed)
Species Navicula latissima sensu Brockmann, 1928 (unassessed)
Species Navicula lauca U.Rumrich & Lange-Bertalot (unassessed)
Species Navicula lauriensis J.Frenguelli & H.A.Orlando, 1958 (unassessed)
Species Navicula lauta Grunow (unassessed)
Species Navicula lawsonii Foged, 1966 (unassessed)
Species Navicula leboimei Manguin, 1960 (unassessed)
Species Navicula leemanniae Cholnoky, 1854 (unassessed)
Species Navicula lefevrei Manguin in Allorge & Manguin, 1941 (unassessed)
Species Navicula lehmanniae Lange-Bertalot & Steindorf in Moser, Steindorf & Lange-Bertalot, 1995 (unassessed)
Species Navicula leistikowii Lange-Bertalot, 1993 (unassessed)
Species Navicula lemanniae Cholnoky, 1954 (unassessed)
Species Navicula lemkei A.Witkowski, 2009 (unassessed)
Species Navicula lemmermanni Hustedt, 1911 (unassessed)
Species Navicula lengana (unassessed)
Species Navicula lenis Foged, 1971 (unassessed)
Species Navicula lenoblei Manguin, 1952 (unassessed)
Species Navicula lenticula Østrup, 1913 (unassessed)
Species Navicula lenzi Krasske, 1939 (unassessed)
Species Navicula lenzii Hustedt, 1936 (unassessed)
Species Navicula leonardii Compère, 1967 (unassessed)
Species Navicula leonis Pantocsek, 1905 (unassessed)
Species Navicula lepidissima Cleve-Euler, 1953 (unassessed)
Species Navicula lepidosa Khabakov, 1945 (unassessed)
Species Navicula lepidula Grunow, 1880 (unassessed)
Species Navicula lepidula Manguin in Bourrelly & Manguin, 1952 (unassessed)
Species Navicula lepta Schrader, 1969 (unassessed)
Species Navicula leptocephala Brébisson, 1880 (unassessed)
Species Navicula leptocephala Rabenhorst, 1853 (unassessed)
Species Navicula leptoceros Ehrenberg, 1854 (unassessed)
Species Navicula leptogongyla Ehrenberg, 1843 (unassessed)
Species Navicula leptogongyla Ehrenberg, 1841 † (unassessed)
Species Navicula leptolopa Meister, 1937 (unassessed)
Species Navicula leptorhynchus Ehrenberg, 1843 (unassessed)
Species Navicula leptosoma Grunow, 1880 (unassessed)
Species Navicula leptostigma sensu Pantocsek, 1902 (unassessed)
Species Navicula leptostriata Jørgensen, 1948 (unassessed)
Species Navicula leptostylus Ehrenberg, 1842 (unassessed)
Species Navicula leptotermina Ehrenberg, 1844 (1845) (unassessed)
Species Navicula lesinensis Grunow in Cleve, 1885 (unassessed)
Species Navicula lesinensis Cleve ex Thum, 1889 (unassessed)
Species Navicula lesmonensis Hustedt, 1957 (unassessed)
Species Navicula lesothensis Schoeman, 1969 (unassessed)
Species Navicula letourneurii Pantocsek, 1889 (unassessed)
Species Navicula letulenta Archibald, 1966 (unassessed)
Species Navicula leudugeri Cleve, 1883 (unassessed)
Species Navicula levanderi Hustedt, 1934 (unassessed)
Species Navicula leveillei Héribaud, 1903 (unassessed)
Species Navicula levensis Carruthers in J.E. Gray, 1864 (unassessed)
Species Navicula levis Pantocsek, 1889 (unassessed)
Species Navicula levissima (unassessed)
Species Navicula leviuscula De Toni, 1891 (unassessed)
Species Navicula lewisiana Greville, 1863 (unassessed)
Species Navicula liaotungiensis Skvortzow, 1929 (unassessed)
Species Navicula libellus Gregory, 1857 (unassessed)
Species Navicula libonensis Schoeman, 1970 (unassessed)
Species Navicula librile Ehrenberg, 1832 (unassessed)
Species Navicula liburnica Grunow, 1860 (unassessed)
Species Navicula libyca Ehrenberg, 1840 (unassessed)
Species Navicula licenti Skvortzow, 1935 (unassessed)
Species Navicula ligneri Lauby, 1910 (unassessed)
Species Navicula limanense Østrup in Héribaud et al., 1920 (unassessed)
Species Navicula limata Hustedt, 1944 (unassessed)
Species Navicula limatoides Hustedt, 1950 (unassessed)
Species Navicula limbata Ehrenberg, 1843 (unassessed)
Species Navicula limicola Cleve, 1893 (unassessed)
Species Navicula limitanea Schmidt in Schmidt et al., 1875 (unassessed)
Species Navicula limosa sensu Donkin, 1872 (unassessed)
Species Navicula limosa sensu Lagerstedt, 1873 (unassessed)
Species Navicula limosa Rabenhorst, 1853 (unassessed)
Species Navicula limpida Perty, 1852 (unassessed)
Species Navicula lindae Sullivan & Reimer, 1975 (unassessed)
Species Navicula linearicuneata Gleser in Afanas'eva & Gleser, 1986 (unassessed)
Species Navicula linearis Grunow, 1860 (unassessed)
Species Navicula linearis Bory, 1827 (unassessed)
Species Navicula lineata Bory, 1824 (unassessed)
Species Navicula lineata Turpin, 1828 (1816-1829) (unassessed)
Species Navicula lineata Bory, 1827 (unassessed)
Species Navicula lineola Ehrenberg, 1854 (unassessed)
Species Navicula lineola Grunow (unassessed)
Species Navicula lineolata Ehrenberg, 1843 (unassessed)
Species Navicula lineolata Ehrenberg, 1838 (unassessed)
Species Navicula lineostriata Patrick, 1936 (unassessed)
Species Navicula linter O. Witt, 1873 (unassessed)
Species Navicula liostauron Ehrenberg, 1841 (unassessed)
Species Navicula liouvillei M. Peragallo, 1921 (unassessed)
Species Navicula lirata Ehrenberg (unassessed)
Species Navicula lithognatha Cholnoky, 1963 (unassessed)
Species Navicula lithognathoides Cholnoky, 1963 (unassessed)
Species Navicula litoralis (unassessed)
Species Navicula litoricola Hustedt, 1955 (unassessed)
Species Navicula litorina Heiden, 1900 (unassessed)
Species Navicula litoris Salah, 1953 (unassessed)
Species Navicula litos M.H.Hohn & Hellerman, 1963 (unassessed)
Species Navicula littoralioides de Wildeman, 1897 (unassessed)
Species Navicula littoralis Donkin, 1871 (unassessed)
Species Navicula ljungneri Cleve-Euler (unassessed)
Species Navicula lobata Schwartz in Rabenhorst, 1877 (unassessed)
Species Navicula lobata Grove & Sturt, 1887 (unassessed)
Species Navicula lobata Cleve, 1878 (unassessed)
Species Navicula lobeliae Jørgensen, 1948 (unassessed)
Species Navicula loczyi Pantocsek, 1889 (unassessed)
Species Navicula lohmannii H. Lange-Bertalot & Rumrich in U. Rumrich, H. Lange-Bertalot & M. Rumrich, 2000 (unassessed)
Species Navicula loibl-sittlerii Reichardt, 1988 (unassessed)
Species Navicula lomastriata Hohn, 1966 (unassessed)
Species Navicula londonensis Foged, 1964 (unassessed)
Species Navicula longi Reinhold, 1937 (unassessed)
Species Navicula longicephala Hustedt, 1944 (unassessed)
Species Navicula longifissa Hustedt, 1952 (unassessed)
Species Navicula longirostris Hustedt, 1930 (unassessed)
Species Navicula longistriata Horikawa & Okuno in Okuno, 1940 (unassessed)
Species Navicula lorami Frenguelli, 1936 (1938) (unassessed)
Species Navicula lorcana Azpeitia, 1911 (unassessed)
Species Navicula lorenziana Grunow, 1860 (unassessed)
Species Navicula lorenzii (Grunow) Hustedt, 1961 (unassessed)
Species Navicula lovenii Foged, 1964 (unassessed)
Species Navicula loveridgei Cholnoky, 1964 (unassessed)
Species Navicula lubbockii Hohn & Hellerman, 1961 (unassessed)
Species Navicula lubetii Konig, 1959 (unassessed)
Species Navicula lucenoides Giffen, 1980 (unassessed)
Species Navicula lucens Hustedt, 1942 (unassessed)
Species Navicula lucentiformis Cholnoky, 1960 (unassessed)
Species Navicula luciae A. Witkowski & H. Lange-Bertalot in H. Lange-Bertalot & S. I. Genkal, 1999 (unassessed)
Species Navicula luciana Cholnoky, 1960 (unassessed)
Species Navicula lucida O'Meara, 1876 (unassessed)
Species Navicula lucida Pantocsek, 1892 (unassessed)
Species Navicula lucifica (Kuntze) Pantocsek (unassessed)
Species Navicula lucinensis Hustedt, 1950 (unassessed)
Species Navicula luculenta A.W.F.Schmidt, 1876 (unassessed)
Species Navicula ludlowiana (unassessed)
Species Navicula luisii Patrick, 1961 (unassessed)
Species Navicula lumbricastriata Hohn & Hellerman, 1966 (unassessed)
Species Navicula lumen H. Peragallo, 1888 (unassessed)
Species Navicula lunata Kützing, 1844 (unassessed)
Species Navicula lunatapicalis Salah, 1953 (unassessed)
Species Navicula lundii Reichardt, 1985 (unassessed)
Species Navicula lundii Sinha & Srivastava, 1986 (unassessed)
Species Navicula lundstroemii sensu Cholnoky, 1958 (unassessed)
Species Navicula lundstromii (unassessed)
Species Navicula lundströmii (unassessed)
Species Navicula lunula Cleve, 1894 (unassessed)
Species Navicula lunulifera H.P. Gandhi, 1998 (unassessed)
Species Navicula lunyacsekii Pantocsek, 1886 (unassessed)
Species Navicula lupula Carter & Denny, 1982 (unassessed)
Species Navicula lurinda Carter & Denny, 1982 (unassessed)
Species Navicula lusitanica Zimmermann, 1917 (unassessed)
Species Navicula lusoria Giffen, 1975 (unassessed)
Species Navicula luxoriensis Foged, 1980 (unassessed)
Species Navicula luzonensis Hustedt, 1942 (unassessed)
Species Navicula lychnidis Jurilj, 1954 (unassessed)
Species Navicula lyra Ehrenberg, 1843 (unassessed)
Species Navicula lyra sensu Hanna, 1933 (unassessed)
Species Navicula lyra sensu Brockmann, 1950 (unassessed)
Species Navicula lyra Kitton, 1884 (unassessed)
Species Navicula lyrans Jurilj, 1957 (unassessed)
Species Navicula lyrata Ehrenberg, 1856 (unassessed)
Species Navicula lyrella Hustedt, 1964 (unassessed)
Species Navicula lyrigera Østrup, 1918 (unassessed)
Species Navicula mabokiana Fusey, 1964 (unassessed)
Species Navicula macdonaghi Frenguelli, 1930 (unassessed)
Species Navicula macer Schoeman, 1973 (unassessed)
Species Navicula maceria Schimanski, 1978 (unassessed)
Species Navicula macilenta Ehrenberg, 1837 † (unassessed)
Species Navicula macra Grunow, 1876 (unassessed)
Species Navicula macraeana Pantocsek, 1889 (unassessed)
Species Navicula macraei Rabenhorst, 1864 (unassessed)
Species Navicula macrocephala Schumann, 1867 (unassessed)
Species Navicula macrogongyla Rabenhorst, 1860 (unassessed)
Species Navicula macromphala Schumann, 1867 (unassessed)
Species Navicula macropunctata Hajós, 1973 (unassessed)
Species Navicula macula Gregory, 1856 (unassessed)
Species Navicula maculosa Donkin, 1871 (unassessed)
Species Navicula maculosa H. Peragallo & M. Peragallo, 1898 (unassessed)
Species Navicula madagascarensis Cleve in Tempère, 1890 (unassessed)
Species Navicula madagascarensis Fritsch, 1914 (unassessed)
Species Navicula madeirensis Lange-Bertalot, 1993 (unassessed)
Species Navicula madrae Hanna & Grant, 1926 (unassessed)
Species Navicula madumensis E.G.Jørgensen, 1948 (unassessed)
Species Navicula maeandriana Cleve, 1893 (unassessed)
Species Navicula maeandrinoides Hustedt in Schmidt et al., 1930 (unassessed)
Species Navicula maeotica Pantocsek, 1902 (unassessed)
Species Navicula magellancia (unassessed)
Species Navicula maginii M. Peragallo, 1924 (unassessed)
Species Navicula magna Skvortzov (unassessed)
Species Navicula magnifica Hustedt in Schmidt et al., 1934 (unassessed)
Species Navicula magocsyi (unassessed)
Species Navicula maharashtrensis Sarode & Kamat, 1984 (unassessed)
Species Navicula mahoodii A. Witkowsi & Witton in A. Witkowski, H. Lange-Bertalot & D. Metzeltin, 2000 (unassessed)
Species Navicula maidanae Metzeltin & Lange-Bertalot, 1998 (unassessed)
Species Navicula maillardii Germain, 1982 (unassessed)
Species Navicula major (sensu Dippel) F.W. Mills, 1934 (unassessed)
Species Navicula major sensu W. Smith, 1853 (unassessed)
Species Navicula major sensu Grunow in Schmidt et al., 1876 (unassessed)
Species Navicula major sensu Grunow in Schmidt et al., 1876 (unassessed)
Species Navicula majuscula Hustedt, 1964 (unassessed)
Species Navicula majusculoides Hustedt, 1964 (unassessed)
Species Navicula malacarae Frenguelli, 1945 (unassessed)
Species Navicula maleposita Simonsen, 1992 (unassessed)
Species Navicula maliana Maillard, 1977 (unassessed)
Species Navicula malica Carter & Denny, 1982 (unassessed)
Species Navicula malinvaudi Héribaud, 1902 (unassessed)
Species Navicula malombensis Otto Müller, 1910 (unassessed)
Species Navicula malutiana Schoeman, 1969 (unassessed)
Species Navicula mammalis Castracane, 1886 (unassessed)
Species Navicula manginii M. Peragallo, 1924 (unassessed)
Species Navicula manguini Guermeur, 1954 (unassessed)
Species Navicula manifesta Hustedt, 1939 (unassessed)
Species Navicula manifesta Marsson, 1900 (unassessed)
Species Navicula maniliensis (unassessed)
Species Navicula manokwariensis Cholnoky, 1963 (unassessed)
Species Navicula mansiensis Foged, 1966 (unassessed)
Species Navicula mantichora Pantocsek, 1892 (unassessed)
Species Navicula manubialis Archibald, 1966 (unassessed)
Species Navicula mardansouensis Héribaud, 1908 (unassessed)
Species Navicula margalithii Lange-Bertalot, 1985 (unassessed)
Species Navicula margarita Schmidt in Schmidt et al., 1892 (unassessed)
Species Navicula margarita Pantocsek, 1905 (unassessed)
Species Navicula margaritacea Hustedt, 1937 (unassessed)
Species Navicula margaritata Pantocsek, 1903 (unassessed)
Species Navicula margaritiana Witkowski, 1994 (unassessed)
Species Navicula margaritifera Truan y Luard & Witt, 1888 (unassessed)
Species Navicula margaritifera Pantocsek, 1892 (unassessed)
Species Navicula marginata Lewis, 1862 (unassessed)
Species Navicula marginestriata Hustedt in Schmidt et al., 1936 (unassessed)
Species Navicula marginolineata Grove & Sturt, 1887 (unassessed)
Species Navicula marginonodularis Salah, 1953 (unassessed)
Species Navicula margino-ornata Salah, 1955 (unassessed)
Species Navicula marginopunctata Grove & Sturt, 1887 (unassessed)
Species Navicula marginulata Cleve, 1881 (unassessed)
Species Navicula maria Hohn, 1966 (unassessed)
Species Navicula mariagracielae D. Metzeltin, H. Lange-Bertalot & F. García-Rodríguez, 2005 (unassessed)
Species Navicula marina Janisch & Rabenhorst, 1863 (unassessed)
Species Navicula mariposae Cholnoky, 1968 (unassessed)
Species Navicula marlieri Kufferath, 1957 (unassessed)
Species Navicula marmorata Jurilj, 1957 (unassessed)
Species Navicula marnieri Manguin, 1957 (unassessed)
Species Navicula marnierii Manguin, 1960 (unassessed)
Species Navicula martini Krasske, 1939 (unassessed)
Species Navicula martinii Krasske (unassessed)
Species Navicula martonfii Pantocsek, 1892 (unassessed)
Species Navicula martyi Lauby, 1910 (unassessed)
Species Navicula massadaea Ehrlich, 1978 (unassessed)
Species Navicula mastogloidea Pantocsek, 1886 (unassessed)
Species Navicula matanza VanLandingham, 1975 (unassessed)
Species Navicula mauleri Brun, 1891 (unassessed)
Species Navicula mauriciana Van Heurck, 1909 (unassessed)
Species Navicula maxima sensu Donkin, 1872 (unassessed)
Species Navicula mayeri A. Cleve, 1953 (unassessed)
Species Navicula meadeensis Foged, 1968 (unassessed)
Species Navicula mediacomplexa M.H.Hohn & Hellernan, 1963 (unassessed)
Species Navicula mediahelos M.H.Hohn & Hellerman, 1963 (unassessed)
Species Navicula medica Skvortzow, 1935 (unassessed)
Species Navicula medioconvexa Hustedt, 1961 (unassessed)
Species Navicula mediocostata Reichardt, 1988 (unassessed)
Species Navicula mediocriformis Coste & Ricard, 1983 (unassessed)
Species Navicula medioinflata Pantocsek, 1912 (unassessed)
Species Navicula mediopartita E.Grove ex A.Schmidt, 1896 (unassessed)
Species Navicula mediopunctata Hustedt in Schmidt et al., 1934 (unassessed)
Species Navicula mediterranea Cleve & Brun (unassessed)
Species Navicula mediterranea Kützing, 1844 (unassessed)
Species Navicula megacuspida Carlson, 1913 (unassessed)
Species Navicula megapolitana Heiden in Schmidt et al., 1903 (unassessed)
Species Navicula megastauros Cleve, 1883 (unassessed)
Species Navicula meisterii Pantocsek, 1912 (unassessed)
Species Navicula melanesica Lange-Bertalot & Steindorf in Moser, Steindorf & Lange-Bertalot, 1995 (unassessed)
Species Navicula melanocephala Giffen, 1975 (unassessed)
Species Navicula melchersi Kutner, 1961 (unassessed)
Species Navicula meleagris Kützing, 1844 (unassessed)
Species Navicula melovskii Z.Levkov & S.Krstic, 2007 (unassessed)
Species Navicula membranacea Cleve, 1897 (unassessed)
Species Navicula menageae Cholnoky, 1954 (unassessed)
Species Navicula menaiana Hendey, 1956 (unassessed)
Species Navicula menapiensis O'Meara, 1876 (unassessed)
Species Navicula menda J.R.Carter & Bailey-Watts, 1981 (unassessed)
Species Navicula mendica Mann, 1925 (unassessed)
Species Navicula mendosina Frenguelli, 1934 (unassessed)
Species Navicula mendotia VanLandingham, 1975 (unassessed)
Species Navicula mengeae Cholnoky, 1954 (unassessed)
Species Navicula menilitica Pantocsek, 1889 (unassessed)
Species Navicula meniscoides Hustedt, 1955 (unassessed)
Species Navicula meniscula (unassessed)
Species Navicula menisculus sensu Krenner, 1926 (unassessed)
Species Navicula menisculus sensu Pantocsek, 1902 (unassessed)
Species Navicula meniscus sensu Meister, 1912 (unassessed)
Species Navicula mentzii Foged, 1962 (unassessed)
Species Navicula mereschkowskii (unassessed)
Species Navicula meridiepacifica Hustedt (unassessed)
Species Navicula meridionalis Hustedt, 1952 (unassessed)
Species Navicula meridiorecens D. Metzeltin, H. Lange-Bertalot & F. García-Rodríguez, 2005 (unassessed)
Species Navicula mersa Heiden (unassessed)
Species Navicula mesogongyla (Ehrenberg) Kützing (unassessed)
Species Navicula mesoleia Cleve in Cleve & Moller, 1879 (unassessed)
Species Navicula mesoleia Cleve, 1881 (unassessed)
Species Navicula mesolepta Heiberg, 1863 (unassessed)
Species Navicula mesolepta sensu Schmidt in Schmidt et al., 1876 (unassessed)
Species Navicula mesoleptoides Reinhard, 1869 (1870) (unassessed)
Species Navicula mesopachya Ehrenberg, 1842 (unassessed)
Species Navicula mesotyla sensu Kutzing, 1844 (unassessed)
Species Navicula mesotyla sensu Schumann, 1867 (unassessed)
Species Navicula meyeri Skvortzov, 1937 (unassessed)
Species Navicula meyeri Foged, 1966 (unassessed)
Species Navicula mica Hohn & Hellerman, 1963 (unassessed)
Species Navicula microcari Lange-Bertalot, 1993 (unassessed)
Species Navicula microdicta Cholnoky, 1962 (unassessed)
Species Navicula microdigitoradiata Lange-Bertalot, 1993 (unassessed)
Species Navicula microlyra Cholnoky, 1959 (unassessed)
Species Navicula micropupula Cholnoky, 1957 (unassessed)
Species Navicula microrhynchus Grunow, 1882 (unassessed)
Species Navicula microrhynchus sensu Pantocsek, 1889 (unassessed)
Species Navicula microstauron (Ehrenberg) O'Meara, 1875 (unassessed)
Species Navicula microstoma Kützing, 1846 (unassessed)
Species Navicula microtatos (unassessed)
Species Navicula migma M.H.Hohn & Hellerman, 1963 (unassessed)
Species Navicula mikado Pantocsek, 1892 (unassessed)
Species Navicula mikrotatos Pantocsek, 1886 (unassessed)
Species Navicula millotiana Manguin, 1952 (unassessed)
Species Navicula millsi Reinhold, 1937 (unassessed)
Species Navicula milthersii Foged, 1962 (unassessed)
Species Navicula mimicans Hanna, 1932 (unassessed)
Species Navicula mimula Mann, 1925 (unassessed)
Species Navicula mina Leuduger-Fortmorel, 1892 (unassessed)
Species Navicula minima sensu Foged, 1958 (unassessed)
Species Navicula minimoides Manguin ex Kociolek & Reviers, 1996 (unassessed)
Species Navicula minnewaukonensis Elmore, 1921 (unassessed)
Species Navicula minor Gregory, 1857 (unassessed)
Species Navicula minor De Toni, 1892 (unassessed)
Species Navicula minthe Hohn & Hellermann, 1963 (unassessed)
Species Navicula mintracta Carter & Denny, 1982 (unassessed)
Species Navicula minusculoides Hustedt, 1942 (unassessed)
Species Navicula minuta Skvortzow, 1936 (unassessed)
Species Navicula minuta Sheshukova, 1956 (unassessed)
Species Navicula minutissima Grunow, 1860 (unassessed)
Species Navicula minutissima Rabenhorst, 1853 (unassessed)
Species Navicula minutula W.Smith, 1853 (unassessed)
Species Navicula miocenica Hajós, 1959 (unassessed)
Species Navicula mira Pantocsek & Greguss in Greguss, 1913 (unassessed)
Species Navicula mirabilis G.Leuduger-Fortmorel (unassessed)
Species Navicula mirabilis Castracane, 1886 (unassessed)
Species Navicula mirabunda Pantocsek & Greguss in Greguss, 1913 (unassessed)
Species Navicula miramaris Frenguelli, 1925 (unassessed)
Species Navicula miranda Hustedt, 1964 (unassessed)
Species Navicula mirifica Krasske (unassessed)
Species Navicula misella Hustedt, 1955 (unassessed)
Species Navicula misionera Frenguelli, 1953 (unassessed)
Species Navicula mitigata Hustedt, 1966 (unassessed)
Species Navicula mitis Hustedt, 1945 (unassessed)
Species Navicula mocsarensis Pantocsek, 1892 (unassessed)
Species Navicula modesta Grunow, 1882 (unassessed)
Species Navicula modesta Cleve-Euler, 1948 (unassessed)
Species Navicula modica Hustedt, 1945 (unassessed)
Species Navicula moeandrina Cleve, 1893 (unassessed)
Species Navicula moenofranconica Lange-Bertalot, 1993 (unassessed)
Species Navicula moerckii Foged, 1966 (unassessed)
Species Navicula moesta Schmidt in Schmidt et al., 1881 (unassessed)
Species Navicula moesta sensu Wolle, 1890 (unassessed)
Species Navicula molesta Krasske, 1938 (unassessed)
Species Navicula molesta Mann, 1925 (unassessed)
Species Navicula molestiformis Hustedt, 1949 (unassessed)
Species Navicula mollicula Hustedt, 1945 (unassessed)
Species Navicula mollis (W.Smith) Cleve, 1896 (unassessed)
Species Navicula mollissima Hustedt, 1962 (unassessed)
Species Navicula monela Hohn, 1966 (unassessed)
Species Navicula mongolica Skvortzow, 1935 (unassessed)
Species Navicula mongolreinhardtii M.B.Edlund & N.Soninkhishing, 2009 (unassessed)
Species Navicula monile Ehrenberg, 1840 (unassessed)
Species Navicula monita Hustedt, 1966 (unassessed)
Species Navicula monmouthiana Grunow in Cleve & Grunow, 1880 (unassessed)
Species Navicula monmouthianastodderi Yermoloff, 1918 (unassessed)
Species Navicula monoculata Hustedt, 1945 (unassessed)
Species Navicula monodi Guermeur, 1954 (unassessed)
Species Navicula monodon Brun, 1891 (unassessed)
Species Navicula monradii Foged, 1966 (unassessed)
Species Navicula montana Schoeman, 1970 (unassessed)
Species Navicula montana Moghadam, 1969 (unassessed)
Species Navicula montanensis Moghadam, 1969 (unassessed)
Species Navicula montisatrae Cholnoky, 1959 (unassessed)
Species Navicula mooreana O'Meara, 1872 (unassessed)
Species Navicula moorosiana Schoeman, 1973 (unassessed)
Species Navicula moralesii D. Metzeltin & H. Lange-Bertalot, 2007 (unassessed)
Species Navicula moreii O'Meara, 1876 (unassessed)
Species Navicula mormonorum Grunow ex A.Schmidt, 1876 (unassessed)
Species Navicula morricei Hanna, 1932 (unassessed)
Species Navicula moskalii Metzeltin, Witkowski & Lange-Bertalot, 1996 (unassessed)
Species Navicula mossbergensis Cleve-Euler, 1953 (unassessed)
Species Navicula mossiana O'Meara, 1876 (unassessed)
Species Navicula motschii Meister, 1912 (unassessed)
Species Navicula mournei Patrick, 1959 (unassessed)
Species Navicula mucicola Hustedt, 1939 (unassessed)
Species Navicula mucicoloides Hustedt, 1942 (unassessed)
Species Navicula mucosa Meunier, 1915 (unassessed)
Species Navicula mucronata Elmore, 1921 (unassessed)
Species Navicula mucronula Pantocsek, 1902 (unassessed)
Species Navicula muelleri R.E.M. Archibald, 1983 (unassessed)
Species Navicula mugadensis Gandhi, 1959 (unassessed)
Species Navicula mujibensis Gerloff, Natour & Rivera, 1984 (unassessed)
Species Navicula multicopsiforme W. & G.S. West, 1911 (unassessed)
Species Navicula multicopsis (unassessed)
Species Navicula multicostata sensu Schmidt in Schmidt et al., 1875 (unassessed)
Species Navicula multigramme M.H.Hohn & Hellerman, 1963 (unassessed)
Species Navicula multiperla Nygaard, 1956 (unassessed)
Species Navicula multiplex Van Landingham (unassessed)
Species Navicula multiseriata Grunow in Cleve, 1881 (unassessed)
Species Navicula multistriata Patrick, 1936 (unassessed)
Species Navicula muncki Foged, 1972 (unassessed)
Species Navicula munda Janisch in Schmidt et al., 1881 (unassessed)
Species Navicula muralibionta Bock, 1970 (unassessed)
Species Navicula muraliformis Hustedt, 1949 (unassessed)
Species Navicula muraliformis H.P. Gandhi, 1998 (unassessed)
Species Navicula muralis Grunow, 1880 (unassessed)
Species Navicula muraloides Hustedt, 1950 (unassessed)
Species Navicula musca sensu Donkin, 1872 (unassessed)
Species Navicula muscaeformis Pantocsek, 1892 (unassessed)
Species Navicula muscatinei Reimer & Lee, 1986 (unassessed)
Species Navicula muscerda Hohn, 1961 (unassessed)
Species Navicula musciformis Grunow, 1878 (unassessed)
Species Navicula muscora J.P.Kociolek & B.Reviers, 1996 (unassessed)
Species Navicula muscosa Skvortzow, 1938 (unassessed)
Species Navicula mutabilis Gregory, 1855 (unassessed)
Species Navicula mutica Grunow, 1860 (unassessed)
Species Navicula mutica sensu Rabenhorst, 1848-1860 (unassessed)
Species Navicula muticoides Hustedt, 1949 (unassessed)
Species Navicula muticopsiformis West & G.S.West, 1911 (unassessed)
Species Navicula muticopsis Van Heurck, 1909 (unassessed)
Species Navicula mutico-rotaeana Brun, 1901 (unassessed)
Species Navicula my Cleve, 1895 (unassessed)
Species Navicula nabrona Carter & Denny, 1982 (unassessed)
Species Navicula nagbogensis Foged, 1966 (unassessed)
Species Navicula nagjae H. Lange-Bertalot & D. Metzeltin, 2006 (unassessed)
Species Navicula nakai Skvortzov, 1971 (unassessed)
Species Navicula namibica Lange-Bertalot & Rumrich, 1993 (unassessed)
Species Navicula nana Ehrenberg, 1862 (unassessed)
Species Navicula nana Gregory (unassessed)
Species Navicula nanella Conger, 1924 (unassessed)
Species Navicula nansenii Foged, 1964 (unassessed)
Species Navicula narinosa Hohn, 1961 (unassessed)
Species Navicula nasuta Giffen, 1973 (unassessed)
Species Navicula natalensis Cholnoky, 1957 (unassessed)
Species Navicula natchikae Boye Petersen, 1946 (unassessed)
Species Navicula naumanni Hustedt, 1942 (unassessed)
Species Navicula nautica Cholnoky, 1963 (unassessed)
Species Navicula naveana Grunow, 1863 (unassessed)
Species Navicula navigans Brun in Schmidt et al., 1892 (unassessed)
Species Navicula navrongensis Foged, 1966 (unassessed)
Species Navicula nebulosa Gregory, 1857 (unassessed)
Species Navicula nebulosa Manguin in Bourrelly & Manguin, 1952 (unassessed)
Species Navicula nebulosa (Meneghini) Grunow, 1880 (unassessed)
Species Navicula neglecta Karsten, 1899 (unassessed)
Species Navicula neglecta Kützing, 1844 (unassessed)
Species Navicula neglecta Krasske, 1929 (unassessed)
Species Navicula neidioides Manguin in Bourrelly & Manguin, 1952 (unassessed)
Species Navicula nemoris M.H.Hohn & Hellerman, 1963 (unassessed)
Species Navicula neocaledonica Manguin, 1962 (unassessed)
Species Navicula neocomplanata Hustedt, 1962 (unassessed)
Species Navicula neocruciata De Toni, 1891 (unassessed)
Species Navicula neogena Pantocsek, 1892 (unassessed)
Species Navicula neoiridis (unassessed)
Species Navicula neoplicata Hustedt, 1962 (unassessed)
Species Navicula neoreversa VanLandingham, 1975 (unassessed)
Species Navicula neoseptentrionalis VanLandingham, 1971 (unassessed)
Species Navicula nervosa Brebisson (in litt.?) ex Kutzing, 1849 (unassessed)
Species Navicula netroformis Andrews, 1971 (unassessed)
Species Navicula neumayeri Janisch in Schmidt et al., 1876 (unassessed)
Species Navicula neumayeriana Pantocsek, 1905 (unassessed)
Species Navicula neumayerii Pantocsek, 1892 (unassessed)
Species Navicula neupaueri Pantocsek, 1886 (unassessed)
Species Navicula nezsideriana Pantocsek, 1912 (unassessed)
Species Navicula niceaensis H. Peragallo, 1888 (unassessed)
Species Navicula nicobarica Grunow, 1863 (unassessed)
Species Navicula nicolai Pantocsek, 1902 (unassessed)
Species Navicula nidulans Cleve, 1891 (unassessed)
Species Navicula nienta J.R.Carter, 1966 (unassessed)
Species Navicula nigra Thum's slides (unassessed)
Species Navicula nigri De Notaris in De Notaris & Baglietto, 1872 (unassessed)
Species Navicula nigricans Pantocsek, 1892 (unassessed)
Species Navicula nigrii De Notaris emend Granetti, 1968 (unassessed)
Species Navicula nimbus M.H.Hohn & Hellerman, 1963 (unassessed)
Species Navicula niobrara Andrews, 1970 (unassessed)
Species Navicula nipkowii Meister, 1932 (unassessed)
Species Navicula nippon Skvortzow, 1936 (unassessed)
Species Navicula nipponica (Skvortzov) Lange-Bertalot, 1993 (unassessed)
Species Navicula nitida Smith ex Gregory (unassessed)
Species Navicula nitrifuga Cholnoky, 1964 (unassessed)
Species Navicula nitrophila J.B.Petersen, 1928 (unassessed)
Species Navicula nitzschii Ehrenberg, 1837 (unassessed)
Species Navicula nivalis Ehrenberg, 1853 (unassessed)
Species Navicula nivaloides W.Bock, 1962 (unassessed)
Species Navicula nivellis Fusey, 1953 (unassessed)
Species Navicula nivorum M.Peragallo (unassessed)
Species Navicula nodosa sensu Neupauer, 1867 (unassessed)
Species Navicula nodosa Schmidt in Schmidt et al., 1876 (unassessed)
Species Navicula nodulosa (Brébisson) Kützing (unassessed)
Species Navicula nolens Simonsen, 1959 (unassessed)
Species Navicula nolensoides Bock, 1970 (unassessed)
Species Navicula nonana Cholnoky, 1966 (unassessed)
Species Navicula nootkana Bory, 1827 (unassessed)
Species Navicula nordenskioeldi Foged, 1964 (unassessed)
Species Navicula nordstedtiana Grunow in Cleve & Möller, 1879 (unassessed)
Species Navicula normalis Hustedt, 1955 (unassessed)
Species Navicula normaloides Cholnoky, 1968 (unassessed)
Species Navicula normanni Rebenhorst (unassessed)
Species Navicula northumricaeformis M. Peragallo in Héribaud et al., 1920 (unassessed)
Species Navicula norwegica Ehrenberg, 1840 (unassessed)
Species Navicula notabilis sensu Pantocsek, 1902 (unassessed)
Species Navicula notabilis Pantocsek, 1889 (unassessed)
Species Navicula notanda Østrup, 1913 (unassessed)
Species Navicula notanda Cleve-Euler, 1953 (unassessed)
Species Navicula notha Wallace, 1960 (unassessed)
Species Navicula novadecipiens Hustedt, 1966 (unassessed)
Species Navicula novaeguineaensis Tempère in Brun et al., 1891 (unassessed)
Species Navicula novaeseelandiae Hustedt, 1964 (unassessed)
Species Navicula novaesiberica Lange-Bertalot, 1993 (unassessed)
Species Navicula nsutaensis Foged, 1966 (unassessed)
Species Navicula nubicola Grunow in Van Heurck, 1880 (unassessed)
Species Navicula nubila Manguin, 1964 (unassessed)
Species Navicula nuda Pantocsek, 1889 (unassessed)
Species Navicula nugalis M.H.Hohn & Hellerman, 1963 (unassessed)
Species Navicula nugax W. Smith in Greville, 1855 (unassessed)
Species Navicula nummularia Greville, 1859 (unassessed)
Species Navicula nummularioides M. Peragallo in Tempère & Peragallo, 1908 (unassessed)
Species Navicula nunguaensis Foged, 1966 (unassessed)
Species Navicula nunivakiana Patrick & Freese, 1961 (unassessed)
Species Navicula nutata Carter & Denny, 1982 (unassessed)
Species Navicula nuwukiana Patrick & Freese, 1961 (unassessed)
Species Navicula ny Cleve, 1894 (unassessed)
Species Navicula nyella Hustedt, 1964 (unassessed)
Species Navicula nympharum Hustedt in Schmidt et al., 1936 (unassessed)
Species Navicula oamaruensis Schrader, 1969 (unassessed)
Species Navicula oamaruensis Grunow in Schmidt et al., 1888 (unassessed)
Species Navicula obdurata Hohn & Hellermann, 1963 (unassessed)
Species Navicula oberohensis Hustedt, 1954 (unassessed)
Species Navicula obesa Otto Müller, 1910 (unassessed)
Species Navicula obiecta Cholnoky, 1964 (unassessed)
Species Navicula obligata Hustedt, 1966 (unassessed)
Species Navicula obliqua Ehrenberg in Ralfs in Pritchard, 1861 (unassessed)
Species Navicula obliqua Turpin, 1816-1829 (unassessed)
Species Navicula oblique striata Schmidt in Schmidt et al., 1877 (unassessed)
Species Navicula oblita Mereschkowsky, 1902 (unassessed)
Species Navicula oblonga Østrup, 1910 (unassessed)
Species Navicula oblonga Neupauer, 1867 (unassessed)
Species Navicula oblonga Ehrenberg, 1843 (unassessed)
Species Navicula oblongella sensu Grunow, 1860 (unassessed)
Species Navicula oblongiformis Hustedt in Schmidt et al., 1934 (unassessed)
Species Navicula oblongopunctata Zakrzewski, 1934 (unassessed)
Species Navicula obscura Hustedt, 1942 (unassessed)
Species Navicula obscura Hustedt, 1937 (unassessed)
Species Navicula obscura Pantocsek, 1909 (unassessed)
Species Navicula observabilis Heiden & Kolbe, 1928 (unassessed)
Species Navicula observanda Simonsen, 1959 (unassessed)
Species Navicula obsidialis Hustedt, 1942 (unassessed)
Species Navicula obsita Hustedt, 1945 (unassessed)
Species Navicula obsoleta Hustedt, 1942 (unassessed)
Species Navicula obstinata Krasske, 1939 (unassessed)
Species Navicula obtecta I.Jüttner & E.J.Cox (unassessed)
Species Navicula obtusa W.Smith, 1853 (unassessed)
Species Navicula obtusa Bory, 1824 (unassessed)
Species Navicula obtusa Ehrenberg, 1843 (unassessed)
Species Navicula obtusa Bory, 1827 (unassessed)
Species Navicula obtusangula Hustedt, 1942 (unassessed)
Species Navicula obtusata Karajeva, 1964 (unassessed)
Species Navicula obtuseprotracta Hustedt, 1966 † (unassessed)
Species Navicula obtuserostrata Hustedt, 1961 (unassessed)
Species Navicula ocalli Hohn, 1961 (unassessed)
Species Navicula occasa Giffen, 1975 (unassessed)
Species Navicula occidentalis Cleve, 1894 (unassessed)
Species Navicula occulta Krasske, 1929 (unassessed)
Species Navicula ocellata Østrup, 1904 (unassessed)
Species Navicula ocellata Mann, 1925 (unassessed)
Species Navicula ocellata Skvortzov (unassessed)
Species Navicula ochridana Hustedt, 1945 (unassessed)
Species Navicula octavosignata Salah, 1953 (unassessed)
Species Navicula oculata Meunier, 1910 (unassessed)
Species Navicula oculiformis Hustedt, 1955 (unassessed)
Species Navicula oculus Østrup, 1897 (unassessed)
Species Navicula odiosa Wallace, 1960 (unassessed)
Species Navicula oerensis Cleve-Euler, 1953 (unassessed)
Species Navicula oestrupi Cleve, 1896 (unassessed)
Species Navicula oestrupi Heiden in Schmidt et al., 1905 (unassessed)
Species Navicula oestrupii Héribaud in Héribaud et al., 1920 (unassessed)
Species Navicula oestrupii Pantocsek, 1908 (unassessed)
Species Navicula oestrupioides Hustedt, 1961 (unassessed)
Species Navicula oetzvallensis H. Lange-Bertalot in Werum & Lange-Bertalot, 2004 (unassessed)
Species Navicula ognjanovae Z.Levkov & D.Metzeltin, 2007 (unassessed)
Species Navicula ohiensis Ehrenberg, 1856 (unassessed)
Species Navicula okawangoi Cholnoky, 1966 (unassessed)
Species Navicula okunoi Hustedt, 1966 (unassessed)
Species Navicula olgae Pantocsek, 1902 (unassessed)
Species Navicula oliffii Cholnoky, 1956 (unassessed)
Species Navicula oligotraphenta Lange-Bertalot & Hofmann, 1993 (unassessed)
Species Navicula olivacea Leuduger-Fortmorel, 1879 (unassessed)
Species Navicula olivieri Héribaud, 1903 (unassessed)
Species Navicula o'mearii (unassessed)
Species Navicula omega Cleve, 1893 (unassessed)
Species Navicula omegopsis Hustedt, 1944 (unassessed)
Species Navicula omicron Cleve, 1895 (unassessed)
Species Navicula omissa Hustedt, 1945 (unassessed)
Species Navicula omitta Pantocsek, 1913 (unassessed)
Species Navicula omphalia Ehrenberg, 1844 (1845) (unassessed)
Species Navicula onoensis Okuno, 1952 (unassessed)
Species Navicula opaia Schrader, 1969 (unassessed)
Species Navicula opalensis K.E. Lohman, 1957 (unassessed)
Species Navicula ophiocephala Cleve & Grove, 1891 (unassessed)
Species Navicula opiei Manguin ex Kociolek & Reviers, 1996 (unassessed)
Species Navicula opimoides Cholnoky, 1959 (unassessed)
Species Navicula opportuna Hustedt, 1950 (unassessed)
Species Navicula oppressa Hustedt, 1952 (unassessed)
Species Navicula oppugnata Hustedt, 1945 (unassessed)
Species Navicula optima Hanna, 1932 (unassessed)
Species Navicula opuntioides Simonsen, 1959 (unassessed)
Species Navicula oranensis A. Schmidt (unassessed)
Species Navicula orangiana Patrick, 1959 (unassessed)
Species Navicula orbiculata Patrick, 1959 (unassessed)
Species Navicula orbis J.R.Carter, 1981 (unassessed)
Species Navicula orbita Carter, 1966 (unassessed)
Species Navicula orcula Cholnoky, 1963 (unassessed)
Species Navicula ordinaria Hustedt, 1950 (unassessed)
Species Navicula ordinata Brébisson ex Ralfs in Pritchard, 1861 (unassessed)
Species Navicula oregonensis Hustedt, 1966 (unassessed)
Species Navicula orellana Hohn, 1966 (unassessed)
Species Navicula orensis A. Cleve, 1953 (unassessed)
Species Navicula oribica Cholnoky, 1960 (unassessed)
Species Navicula orientata Karajeva, 1964 (unassessed)
Species Navicula oris Zanon, 1949 (unassessed)
Species Navicula ornata A.W.F.Schmidt (unassessed)
Species Navicula orphei Pantocsek, 1905 (unassessed)
Species Navicula orthoneoides Hustedt, 1955 (unassessed)
Species Navicula ortolanae Hanna & Grant, 1926 (unassessed)
Species Navicula orvinii Foged, 1964 (unassessed)
Species Navicula oscitans A.W.F.Schmidt (unassessed)
Species Navicula osculata Ehrenberg, 1842 (unassessed)
Species Navicula osculifera Cleve Ms. in Tempère & Peragallo, 1889-1895 (unassessed)
Species Navicula osterosa Giffen, 1976 (unassessed)
Species Navicula ostii Cholnoky, 1963 (unassessed)
Species Navicula ostracodarum Pantocsek, 1892 (unassessed)
Species Navicula ostrearia Bory, 1831 (unassessed)
Species Navicula ostrearia Bory, 1827 (unassessed)
Species Navicula ostrearia Kützing, 1849 (unassessed)
Species Navicula ostrobottnica Cleve-Euler, 1939 (unassessed)
Species Navicula ostrogothica Cleve-Euler, 1953 (unassessed)
Species Navicula ostrupii Héribaud in Héribaud et al., 1920 (unassessed)
Species Navicula oswaldii Janisch, 1888 (unassessed)
Species Navicula ovalis W.Smith, 1853 (unassessed)
Species Navicula ovalis Naegeli in Kutzing, 1849 (unassessed)
Species Navicula ovata H.P. Gandhi, 1998 (unassessed)
Species Navicula ovata M. Peragallo (unassessed)
Species Navicula ovata M. Peragallo in Héribaud, 1893 (unassessed)
Species Navicula oviformis Cleve, 1895 (unassessed)
Species Navicula ovulum Schmidt, 1874 (unassessed)
Species Navicula ovulum Grunow, 1860 (unassessed)
Species Navicula ovumpaschale Schmidt in Schmidt et al., 1875 (unassessed)
Species Navicula oxeia Castracane, 1886 (unassessed)
Species Navicula oxyphyllum Kützing, 1844 (unassessed)
Species Navicula oxyptera Kützing, 1844 (unassessed)
Species Navicula oxysphenia Ehrenberg, 1846 (unassessed)
Species Navicula paanaensis A.Cleve, 1939 (unassessed)
Species Navicula paca Hohn & Hellerm., 1963 (unassessed)
Species Navicula pacardi I.Kaczmarska, 1985 † (unassessed)
Species Navicula pacha Schrader, 1969 (unassessed)
Species Navicula pachycephala sensu Schumann, 1867 (unassessed)
Species Navicula pacifica Meister, 1937 (unassessed)
Species Navicula pacifica Grunow, 1867 (unassessed)
Species Navicula paeninsulae Cholnoky, 1963 (unassessed)
Species Navicula pagesi Héribaud, 1902 (unassessed)
Species Navicula pagophila Grunow, 1884 (unassessed)
Species Navicula palea Hassall, 1845 (unassessed)
Species Navicula palea Skvortzov, 1936 (unassessed)
Species Navicula paleacea Pantocsek, 1902 (unassessed)
Species Navicula palearctica Hustedt, 1966 (unassessed)
Species Navicula palebralis (unassessed)
Species Navicula palestinae Gerloff, Natour & Rivera, 1984 (unassessed)
Species Navicula pallavicinii Krasske, 1848 (unassessed)
Species Navicula pallescens T.Marsson, 1900 (unassessed)
Species Navicula pallida Hustedt, 1962 (unassessed)
Species Navicula palludinarum (unassessed)
Species Navicula palpebrulum Cholnoky, 1961 (unassessed)
Species Navicula paludosa Hustedt, 1957 (unassessed)
Species Navicula pampeana Frenguelli, 1926 (unassessed)
Species Navicula panda Lohman & Andrews, 1968 (unassessed)
Species Navicula panduriformis Baranov, 1942 (unassessed)
Species Navicula pangeroni Leuduger-Fortmorel, 1892 (unassessed)
Species Navicula panhalgarhensis Gandhi, 1959 (unassessed)
Species Navicula pannonica Grunow, 1860 (unassessed)
Species Navicula pannosa Frenguelli, 1953 (unassessed)
Species Navicula pantocseki Hajós, 1968 (unassessed)
Species Navicula pantocsekiana De Toni, 1891 (unassessed)
Species Navicula papilio D.E. Kellog, M. Stuiver; T.B. Kellogg & G.H. Denton, 1980 (unassessed)
Species Navicula papilioarea A.Witkowski, C.Riaux-Gobin & G.Daniszewska-Kowalczyk, 2010 (unassessed)
Species Navicula papillifera O'Meara, 1876 (unassessed)
Species Navicula papula A.W.F.Schmidt, 1875 (unassessed)
Species Navicula parabilis Hohn & Hellerman, 1963 (unassessed)
Species Navicula paracari Lange-Bertalot, 1993 (unassessed)
Species Navicula paradoxa Ehrenberg, 1843 (unassessed)
Species Navicula paradoxa Skvortzow, 1937 (unassessed)
Species Navicula parahasta Lange-Bertalot & Miho, 2001 (unassessed)
Species Navicula parallela Castracane, 1886 (unassessed)
Species Navicula parallelistriata Pantocsek, 1889 (unassessed)
Species Navicula paranipponica Lange-Bertalot, 1993 (unassessed)
Species