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WoRMS taxon details

Checked: verified by a taxonomic editorDesmidiaceae Ralfs, 1848 
AphiaID: 162724

Classification: Biota > Checked: verified by a taxonomic editorPlantae (Kingdom) > Checked: verified by a taxonomic editorCharophyta (Phylum) > Unreviewed: has not been verified by a taxonomic editorZygnematophyceae (Class) > Checked: verified by a taxonomic editorZygnematales (Order) > Checked: verified by a taxonomic editorDesmidiaceae (Family)
Status accepted
Rank Family
Parent Checked: verified by a taxonomic editorZygnematales
Source  basis of record Algaebase, available online at http://www.algaebase.org [details]

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taxa (1103)

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Genus Checked: verified by a taxonomic editorActinotaenium (Nägeli) Teiling, 1954
  » Species Checked: verified by a taxonomic editorActinotaenium adelochondrum (Elfving) Teiling, 1954
  » Variety Checked: verified by a taxonomic editorActinotaenium adelochondrum var. kriegeri (Messikommer) Teiling accepted as Checked: verified by a taxonomic editorActinotaenium kriegeri (Messikommer) Kouwets, 1997
» Species Unreviewed: has not been verified by a taxonomic editorActinotaenium australe (Raciborski) Croasdale
» Species Unreviewed: has not been verified by a taxonomic editorActinotaenium bibernicum (Wittrock ex De Toni) Ruzicka, 1978
» Species Checked: verified by a taxonomic editorActinotaenium borgeanum (Skuja) Kouwets & Coesel, 1984
» Species Checked: verified by a taxonomic editorActinotaenium capax (Joshua) Teiling, 1954
  » Variety Unreviewed: has not been verified by a taxonomic editorActinotaenium capax var. capax (Joshua) Teiling, 1954
» Variety Unreviewed: has not been verified by a taxonomic editorActinotaenium capax var. minus (Schmidle) Teiling ex Ruzicka & Pouzar
» Species Checked: verified by a taxonomic editorActinotaenium clevei (P.Lundell) Teiling, 1954
  » Variety Checked: verified by a taxonomic editorActinotaenium clevei var. crassum (West & G.S.West) Teiling, 1954
» Species Checked: verified by a taxonomic editorActinotaenium colpopelta (Brébisson ex W.Archer) Compère, 1976
  » Forma Unreviewed: has not been verified by a taxonomic editorActinotaenium colpopelta f. colpopelta (Brébisson) Compère, 1976
» Forma Checked: verified by a taxonomic editorActinotaenium colpopelta f. minus (West) Compère, 1976
» Variety Checked: verified by a taxonomic editorActinotaenium colpopelta var. groenbladii Bourrelly
» Species Checked: verified by a taxonomic editorActinotaenium cordanum (Brébisson) Ruzicka & Pouzar, 1978
» Species Checked: verified by a taxonomic editorActinotaenium crassiusculum (De Bary) Teiling, 1954
» Species Checked: verified by a taxonomic editorActinotaenium cruciferum (De Bary) Teiling, 1954
  » Forma Checked: verified by a taxonomic editorActinotaenium cruciferum f. latius Teiling, 1954
» Variety Unreviewed: has not been verified by a taxonomic editorActinotaenium cruciferum var. cruciferum (De Bary) Teiling, 1954
» Species Checked: verified by a taxonomic editorActinotaenium cucurbita (Brébisson ex Ralfs) Teiling, 1954
  » Variety Unreviewed: has not been verified by a taxonomic editorActinotaenium cucurbita var. cucurbita (Brébisson ex Ralfs) Teiling
» Forma Checked: verified by a taxonomic editorActinotaenium cucurbita f. latius (West & West) Teiling, 1954 accepted as Checked: verified by a taxonomic editorActinotaenium cucurbita (Brébisson ex Ralfs) Teiling, 1954
» Variety Checked: verified by a taxonomic editorActinotaenium cucurbita var. attenuatum (G.S.West) Teiling, 1954 accepted as Checked: verified by a taxonomic editorActinotaenium cucurbita (Brébisson ex Ralfs) Teiling, 1954
» Species Checked: verified by a taxonomic editorActinotaenium cucurbitinum (Bisset) Teiling, 1954
  » Subspecies Unreviewed: has not been verified by a taxonomic editorActinotaenium cucurbitinum subsp. cucurbitinum
  » Variety Checked: verified by a taxonomic editorActinotaenium cucurbitinum cucurbitinum var. longum (A.M.Scott & R.Grönblad) Croasdale, 1981
» Variety Checked: verified by a taxonomic editorActinotaenium cucurbitinum var. minutum (G.W.Prescott) G.H.Tomaszewicz, 1988
» Forma Checked: verified by a taxonomic editorActinotaenium cucurbitinum f. minus (West & West) Teiling, 1954 accepted as Checked: verified by a taxonomic editorActinotaenium cucurbitinum (Bisset) Teiling, 1954
» Variety Checked: verified by a taxonomic editorActinotaenium cucurbitinum var. minutum (G.W.Prescott) Teiling, 1954 accepted as Checked: verified by a taxonomic editorActinotaenium cucurbitinum var. minutum (G.W.Prescott) G.H.Tomaszewicz, 1988
» Variety Checked: verified by a taxonomic editorActinotaenium cucurbitinum var. subpolymorphum (Nordstedt) Teiling, 1976 accepted as Checked: verified by a taxonomic editorActinotaenium cucurbitinum (Bisset) Teiling, 1954
» Species Unreviewed: has not been verified by a taxonomic editorActinotaenium cucurbitum
  » Forma Unreviewed: has not been verified by a taxonomic editorActinotaenium cucurbitum f. roduntatum (Willi Krieger) Teiling
» Species Checked: verified by a taxonomic editorActinotaenium curtum (Brebisson ex Ralfs) Teiling, 1978
  » Variety Checked: verified by a taxonomic editorActinotaenium curtum var. attenuatum (Brébisson ex Ralfs) Teiling ex Ruzicka & Pouzar, 1978
» Variety Checked: verified by a taxonomic editorActinotaenium curtum var. bourrellyi Teiling
» Variety Unreviewed: has not been verified by a taxonomic editorActinotaenium curtum var. obtusum (West & G.S.West) Teiling ex Croasdale, 1981
» Species Checked: verified by a taxonomic editorActinotaenium didymocarpum (P.Lundell) Coesel & Delfos, 1986
» Species Checked: verified by a taxonomic editorActinotaenium diplosporum (P.Lundell) Teiling, 1954
  » Forma Unreviewed: has not been verified by a taxonomic editorActinotaenium diplosporum f. americananum (Lund.) Teil
» Forma Checked: verified by a taxonomic editorActinotaenium diplosporum f. majus (West) Teiling, 1954
» Forma Unreviewed: has not been verified by a taxonomic editorActinotaenium diplosporum f. minus (Cushman) Teiling
» Variety Checked: verified by a taxonomic editorActinotaenium diplosporum var. americanum (West & West) Teiling, 1954
» Variety Unreviewed: has not been verified by a taxonomic editorActinotaenium diplosporum var. americanum (West & G.S.West) Teiling
  » Forma Checked: verified by a taxonomic editorActinotaenium diplosporum var. americanum f. minus (Cushman) Teiling, 1954
» Variety Checked: verified by a taxonomic editorActinotaenium diplosporum var. australe (Raciborski) Croasdale, 1973
» Variety Unreviewed: has not been verified by a taxonomic editorActinotaenium diplosporum var. diplosporum (Lund.) Teil, 1954
  » Forma Checked: verified by a taxonomic editorActinotaenium diplosporum var. diplosporum f. arcticum Croasdale, 1973
» Species Checked: verified by a taxonomic editorActinotaenium elongatum (Raciborski) Teiling, 1954
  » Variety Unreviewed: has not been verified by a taxonomic editorActinotaenium elongatum var. africanum (Schmann) Teiling
» Variety Unreviewed: has not been verified by a taxonomic editorActinotaenium elongatum var. elongatum (Racib.)Teil, 1954
» Variety Unreviewed: has not been verified by a taxonomic editorActinotaenium elongatum var. lanceolatum (Turner) Teiling
» Species Checked: verified by a taxonomic editorActinotaenium gelidum (Wittrock ex De Toni) Ruzicka, 1978
» Species Checked: verified by a taxonomic editorActinotaenium geniculatum Kouwets, 1988
» Species Checked: verified by a taxonomic editorActinotaenium globosum (Bulnheim) K.Förster ex Compère, 1976
  » Forma Unreviewed: has not been verified by a taxonomic editorActinotaenium globosum f. minus (Boldt) Förster ex Compère, 1976
» Species Checked: verified by a taxonomic editorActinotaenium grande (Delponte) Teiling
» Species Checked: verified by a taxonomic editorActinotaenium habeebense (Irénée-Marie) A.J.Brook & D.B.Williamson, 1990
» Species Checked: verified by a taxonomic editorActinotaenium hallei P.Bourrelly & A.Couté
» Species Checked: verified by a taxonomic editorActinotaenium hibernicum (West) Ružicka, 1978
» Species Checked: verified by a taxonomic editorActinotaenium hunanense (C.C.Jao) Y.Wei, 2006
» Species Checked: verified by a taxonomic editorActinotaenium inconspicuum (West & G.S.West) Teiling, 1954
  » Forma Checked: verified by a taxonomic editorActinotaenium inconspicuum f. bacillare Teiling
» Forma Unreviewed: has not been verified by a taxonomic editorActinotaenium inconspicuum f. inconspicuum (West & G.S.West) Teiling, 1954
» Forma Checked: verified by a taxonomic editorActinotaenium inconspicuum f. magnum Hinode
» Forma Checked: verified by a taxonomic editorActinotaenium inconspicuum f. majus A.A.Gontcharov
» Variety Checked: verified by a taxonomic editorActinotaenium inconspicuum var. curvatum Kouwets, 1991
» Species Unreviewed: has not been verified by a taxonomic editorActinotaenium incurvum (J.Lütkemüller ex R.Grönblad) J.A.Rino
» Species Checked: verified by a taxonomic editorActinotaenium infractum (Messikommer) D.B.Williamson, 2007
  » Variety Unreviewed: has not been verified by a taxonomic editorActinotaenium infractum var. curvatum
» Species Checked: verified by a taxonomic editorActinotaenium kriegeri (Messikommer) Kouwets, 1997
» Species Checked: verified by a taxonomic editorActinotaenium lagenarioides (Roy) Teiling, 1954
  » Variety Unreviewed: has not been verified by a taxonomic editorActinotaenium lagenarioides var. lagenarioides (Roy) Teil, 1954
» Species Checked: verified by a taxonomic editorActinotaenium messikommeri Ruzicka & Pouzar
» Species Checked: verified by a taxonomic editorActinotaenium minutissimum (Nordstedt) Teiling, 1954
  » Variety Unreviewed: has not been verified by a taxonomic editorActinotaenium minutissimum var. minutissimum (Nordst.) Teiling, 1954
» Variety Checked: verified by a taxonomic editorActinotaenium minutissimum var. suboctangulare (West) Teiling, 1954
» Species Checked: verified by a taxonomic editorActinotaenium mooreanum (W.Archer) Teiling, 1954
  » Variety Unreviewed: has not been verified by a taxonomic editorActinotaenium mooreanum var. mooreanum (W.Archer) Teiling, 1954
» Species Unreviewed: has not been verified by a taxonomic editorActinotaenium nivale
  » Variety Unreviewed: has not been verified by a taxonomic editorActinotaenium nivale var. suboctangulare (West) Teiling, 1954
» Species Checked: verified by a taxonomic editorActinotaenium obcuneatum (West) Teiling, 1954
  » Variety Unreviewed: has not been verified by a taxonomic editorActinotaenium obcuneatum var. kriegeri (Krieger & Gerloff) Förster
» Variety Unreviewed: has not been verified by a taxonomic editorActinotaenium obcuneatum var. obcuneatum (West) Teiling, 1954
» Variety Unreviewed: has not been verified by a taxonomic editorActinotaenium obcuneatum var. oravicum Ruzicka
» Species Checked: verified by a taxonomic editorActinotaenium palangula (Brébisson ex Ralfs) Teiling, 1954
» Species Checked: verified by a taxonomic editorActinotaenium perminutum (G.S.West) Teiling, 1954
» Species Checked: verified by a taxonomic editorActinotaenium phymatosporum (Nordstedt) Kouwets & Coesel, 1984
» Species Checked: verified by a taxonomic editorActinotaenium pinicolum Rosa, 1959
» Species Unreviewed: has not been verified by a taxonomic editorActinotaenium pseudocucurbita (Bourrelly) Teiling
» Species Checked: verified by a taxonomic editorActinotaenium pyramidatum (West & G.S.West) Teiling, 1954
» Species Checked: verified by a taxonomic editorActinotaenium rufescens (Cleve) Teiling, 1954
» Species Checked: verified by a taxonomic editorActinotaenium silvae-nigrae (Rabanus) Kouwets & Coesel, 1984
  » Forma Unreviewed: has not been verified by a taxonomic editorActinotaenium silvae-nigrae f. parallelum (Willi Krieger) Kossinsk.
» Variety Checked: verified by a taxonomic editorActinotaenium silvae-nigrae var. parallelum (Willi Krieger) Kouwets & Coesel, 1984
» Species Checked: verified by a taxonomic editorActinotaenium sinense (C.C.Jao) Y.Wei, 2006
» Species Checked: verified by a taxonomic editorActinotaenium spinospermum (Joshua) Kouwets & Coesel, 1984
» Species Checked: verified by a taxonomic editorActinotaenium subglobosum (Nordstedt) Teiling, 1954
» Species Unreviewed: has not been verified by a taxonomic editorActinotaenium subpalangula (Elfving) Teiling, 1954
  » Forma Unreviewed: has not been verified by a taxonomic editorActinotaenium subpalangula f. subpalangula (Elfving) Teiling, 1954
» Species Checked: verified by a taxonomic editorActinotaenium subsparsepunctatum (Grönblad) Coesel
» Species Checked: verified by a taxonomic editorActinotaenium subtile (West & G.S.West) Teiling, 1954
  » Variety Unreviewed: has not been verified by a taxonomic editorActinotaenium subtile var. subtile (West & G.S.West) Teiling, 1954
» Species Checked: verified by a taxonomic editorActinotaenium terrestre (C.C.Jao) Y.Wei, 2006
» Species Checked: verified by a taxonomic editorActinotaenium trachypolum (West & G.S.West) Teiling, 1954
  » Variety Unreviewed: has not been verified by a taxonomic editorActinotaenium trachypolum var. trachypolum (West & G.S.West) Teiling, 1954
» Species Checked: verified by a taxonomic editorActinotaenium truncatum (Brébisson ex Ralfs) Teiling ex Ruzicka & Pouzar, 1978
» Species Checked: verified by a taxonomic editorActinotaenium turgidum (Brébisson ex Ralfs) Teiling, 1954
  » Variety Unreviewed: has not been verified by a taxonomic editorActinotaenium turgidum var. turgidum (Brébisson ex Ralfs) Teiling, 1954
» Variety Unreviewed: has not been verified by a taxonomic editorActinotaenium turgidum var. westii (C.Bernard) Thomasson
» Variety Checked: verified by a taxonomic editorActinotaenium turgidum var. ovatum (Nordstedt) Teiling, 1954 accepted as Checked: verified by a taxonomic editorActinotaenium turgidum (Brébisson ex Ralfs) Teiling, 1954
» Species Checked: verified by a taxonomic editorActinotaenium wollei (West & G.S.West) Teiling, 1954
  » Forma Unreviewed: has not been verified by a taxonomic editorActinotaenium wollei f. longius (Grönblad) G.H.Tomaszewicz
» Variety Unreviewed: has not been verified by a taxonomic editorActinotaenium wollei var. wollei (West & G.S.West) Teiling
» Species Checked: verified by a taxonomic editorActinotaenium globosum (Bulnheim) Kreiger & Gerloff, 1969 accepted as Checked: verified by a taxonomic editorActinotaenium globosum (Bulnheim) K.Förster ex Compère, 1976
» Species Checked: verified by a taxonomic editorActinotaenium viride (Corda ex Joshua) Teiling, 1954 accepted as Checked: verified by a taxonomic editorActinotaenium colpopelta (Brébisson ex W.Archer) Compère, 1976
Genus Checked: verified by a taxonomic editorAllorgeia Gauthier-Lièvre, 1809
  » Species Checked: verified by a taxonomic editorAllorgeia valiae Gauthier-Lièvre, 1958
Genus Checked: verified by a taxonomic editorAmscottia Groenblad, 1954
  » Species Checked: verified by a taxonomic editorAmscottia gulungulana H.U.Ling & P.A.Tyler
» Species Checked: verified by a taxonomic editorAmscottia mira (Groenblad) Groenblad
Genus Checked: verified by a taxonomic editorBambusina Kützing ex Kützing, 1849
  » Species Checked: verified by a taxonomic editorBambusina borreri (Ralfs) Cleve, 1864
  » Variety Unreviewed: has not been verified by a taxonomic editorBambusina borreri var. brasiliensis (K.Förster) P.Bourrelly & A.Couté
» Species Checked: verified by a taxonomic editorBambusina sphaerospora A.M.Scott & Grönblad
» Species Checked: verified by a taxonomic editorBambusina brebissonii Kützing ex Kützing, 1849 accepted as Checked: verified by a taxonomic editorBambusina borreri (Ralfs) Cleve, 1864
  » Forma Checked: verified by a taxonomic editorBambusina brebissonii f. constricta A.M.Scott & Prescott
» Variety Unreviewed: has not been verified by a taxonomic editorBambusina brebissonii var. gracilescens (Nordstedt) Wolle
» Species Checked: verified by a taxonomic editorBambusina moniliformis Teiling accepted as Checked: verified by a taxonomic editorBambusina borreri (Ralfs) Cleve, 1864
Genus Checked: verified by a taxonomic editorBourrellyodesmus Compère, 1977
  » Species Checked: verified by a taxonomic editorBourrellyodesmus heimii (Bourrelly) Compère, 1977
Genus Checked: verified by a taxonomic editorBrachytheca A.A.Gontcharov & M.Watanabe, 1999
  » Species Checked: verified by a taxonomic editorBrachytheca inopinata Fumanti & Alfinito, 2004
» Species Checked: verified by a taxonomic editorBrachytheca sulcata A.A.Gontcharov & M.Watanabe, 1999
Genus Checked: verified by a taxonomic editorCosmarium Corda ex Ralfs, 1848
  » Species Checked: verified by a taxonomic editorCosmarium abbreviatum Raciborski, 1885
  » Variety Unreviewed: has not been verified by a taxonomic editorCosmarium abbreviatum var. germanicum (Raciborski) Willi Krieger & Gerloff
» Variety Checked: verified by a taxonomic editorCosmarium abbreviatum var. minus (West & G.S.West) Willi Krieger & Gerloff, 1969
» Forma Checked: verified by a taxonomic editorCosmarium abbreviatum f. minor West & G.S.West, 1900 accepted as Checked: verified by a taxonomic editorCosmarium abbreviatum var. minus (West & G.S.West) Willi Krieger & Gerloff, 1969
» Forma Checked: verified by a taxonomic editorCosmarium abbreviatum f. pygmaeum Messikommer accepted as Unreviewed: has not been verified by a taxonomic editorCosmarium abbreviatum var. germanicum (Raciborski) Willi Krieger & Gerloff
» Variety Checked: verified by a taxonomic editorCosmarium abbreviatum var. planctonicum West & G.S West, 1905 accepted as Checked: verified by a taxonomic editorCosmarium depressum var. planctonicum Reverdin, 1919
» Species Checked: verified by a taxonomic editorCosmarium abruptum P.Lundell, 1871
  » Variety Unreviewed: has not been verified by a taxonomic editorCosmarium abruptum var. brevius (West & G.S.West) West & G.S.West
» Variety Checked: verified by a taxonomic editorCosmarium abruptum var. granulatum West & G.S.West
» Variety Checked: verified by a taxonomic editorCosmarium abruptum var. simplex Insam & Krieger, 1936
» Forma Checked: verified by a taxonomic editorCosmarium abruptum f. maius Huber-Pestalozzi, 1935 accepted as Checked: verified by a taxonomic editorClosterium abruptum var. maius (Huber-Pestalozzi) Willi Krieger, 1935
» Species Unreviewed: has not been verified by a taxonomic editorCosmarium abscissum Lutkem
» Species Checked: verified by a taxonomic editorCosmarium achondroides G.S.West
» Species Checked: verified by a taxonomic editorCosmarium acutangulum Insam & Krieger, 1936
» Species Checked: verified by a taxonomic editorCosmarium acutigonum D.B.Williamson, 1999
» Species Unreviewed: has not been verified by a taxonomic editorCosmarium adelochondrum
  » Variety Checked: verified by a taxonomic editorCosmarium adelochondrum var. kriegeri Messikommer, 1942 accepted as Checked: verified by a taxonomic editorActinotaenium kriegeri (Messikommer) Kouwets, 1997
» Species Checked: verified by a taxonomic editorCosmarium adoxum West & G.S.West, 1897
  » Variety Checked: verified by a taxonomic editorCosmarium adoxum var. denticulatum G.S.West
» Species Checked: verified by a taxonomic editorCosmarium affine Raciborski
  » Variety Checked: verified by a taxonomic editorCosmarium affine var. excavatum G.S.West
» Species Checked: verified by a taxonomic editorCosmarium alpestre J.Roy & Bisset, 1893
  » Variety Checked: verified by a taxonomic editorCosmarium alpestre var. depressum (V.Allorge & P.Allorge) Krieger & Gerloff, 1969
» Forma Checked: verified by a taxonomic editorCosmarium alpestre f. depressa V.Allorge & P.Allorge, 1930 accepted as Checked: verified by a taxonomic editorCosmarium alpestre var. depressum (V.Allorge & P.Allorge) Krieger & Gerloff, 1969
» Species Unreviewed: has not been verified by a taxonomic editorCosmarium alpicolum Schmidle, 1895
» Species Checked: verified by a taxonomic editorCosmarium alpigenum Messikommer, 1942
  » Variety Checked: verified by a taxonomic editorCosmarium alpigenum var. gaviense Dell'Uomo, 1980
» Species Unreviewed: has not been verified by a taxonomic editorCosmarium alpinum Raciborski
» Species Checked: verified by a taxonomic editorCosmarium amoenum Brébisson ex Ralfs, 1848
  » Variety Checked: verified by a taxonomic editorCosmarium amoenum var. constrictum Scott & Grönblad
» Variety Checked: verified by a taxonomic editorCosmarium amoenum var. intumescens Nordstedt, 1887
» Variety Checked: verified by a taxonomic editorCosmarium amoenum var. mediolaeve Nordstedt, 1887
» Species Checked: verified by a taxonomic editorCosmarium amplum Nordstedt, 1887
  » Forma Unreviewed: has not been verified by a taxonomic editorCosmarium amplum f. trigonum Nordstedt, 1888
» Variety Unreviewed: has not been verified by a taxonomic editorCosmarium amplum var. ciastoni (Raciborski) Playfair
» Species Checked: verified by a taxonomic editorCosmarium anceps P.Lundell, 1871
  » Forma Checked: verified by a taxonomic editorCosmarium anceps f. arcticum Croasdale, 1973
» Forma Unreviewed: has not been verified by a taxonomic editorCosmarium anceps f. crispula Nordstedt, 1873
» Variety Unreviewed: has not been verified by a taxonomic editorCosmarium anceps var. borgei (Wille Krieger) Ruzicka
» Variety Unreviewed: has not been verified by a taxonomic editorCosmarium anceps var. crispulum (Nordstedt) Willi Krieger & Gerloff, 1965
» Variety Checked: verified by a taxonomic editorCosmarium anceps var. minimum Gutwinski
» Variety Checked: verified by a taxonomic editorCosmarium anceps var. tatricoides West, 1912
» Species Checked: verified by a taxonomic editorCosmarium andinum A.Couté & A.Iltis
» Species Checked: verified by a taxonomic editorCosmarium angulare L.N.Johnson, 1894
  » Variety Checked: verified by a taxonomic editorCosmarium angulare var. octangulare Wade, 1957
» Species Checked: verified by a taxonomic editorCosmarium angulatum (Perty) Rabenhorst, 1868
  » Forma Unreviewed: has not been verified by a taxonomic editorCosmarium angulatum f. major (Grunow) Turner
» Variety Checked: verified by a taxonomic editorCosmarium angulatum var. conicum Playfair
» Variety Checked: verified by a taxonomic editorCosmarium angulatum var. subcucumis (Schmidle) Playfair accepted as Checked: verified by a taxonomic editorCosmarium subcucumis Schmidle, 1893
» Species Checked: verified by a taxonomic editorCosmarium angulosum Brébisson, 1856
  » Variety Unreviewed: has not been verified by a taxonomic editorCosmarium angulosum var. angulosum Brébisson, 1856
» Variety Checked: verified by a taxonomic editorCosmarium angulosum var. concinnum (Rabenhorst) West & G.S.West, 1901
» Variety Checked: verified by a taxonomic editorCosmarium angulosum var. euastroides (Delponte) Krieger & Gerloff
» Variety Checked: verified by a taxonomic editorCosmarium angulosum var. sorbiculatum Grönblad
» Species Checked: verified by a taxonomic editorCosmarium anisochondrum Nordstedt, 1878
  » Variety Checked: verified by a taxonomic editorCosmarium anisochondrum var. confusum Playfair
» Species Checked: verified by a taxonomic editorCosmarium annulatum (Nägeli) de Bary, 1849
  » Variety Checked: verified by a taxonomic editorCosmarium annulatum var. eIegans Nordstedt, 1873
» Species Checked: verified by a taxonomic editorCosmarium apertiuscula Skuja
» Species Checked: verified by a taxonomic editorCosmarium aphanichondrum Nordstedt
» Species Checked: verified by a taxonomic editorCosmarium arctoum Nordstedt, 1875
  » Variety Unreviewed: has not been verified by a taxonomic editorCosmarium arctoum var. constrictum Gronblad & Scott, 1958
» Forma Checked: verified by a taxonomic editorCosmarium arctoum f. minus West, 1892 accepted as Checked: verified by a taxonomic editorCosmarium arctoum Nordstedt, 1875
» Variety Checked: verified by a taxonomic editorCosmarium arctoum var. tatricum Raciborski, 1885 accepted as Checked: verified by a taxonomic editorCosmarium bicuneatum (F.Gay) Nordstedt, 1889
» Species Checked: verified by a taxonomic editorCosmarium arnellii Boldt, 1885
  » Forma Checked: verified by a taxonomic editorCosmarium arnellii f. compressum West, 1892
» Forma Checked: verified by a taxonomic editorCosmarium arnellii f. subrotundatum West, 1892
» Variety Checked: verified by a taxonomic editorCosmarium arnellii var. notatum R.Grönblad
» Species Unreviewed: has not been verified by a taxonomic editorCosmarium arrense Kouwets, 1997
» Species Checked: verified by a taxonomic editorCosmarium askenasyi Schmidle, 1895
  » Forma Checked: verified by a taxonomic editorCosmarium askenasyi f. latum A.M.Scott & Prescott
» Forma Checked: verified by a taxonomic editorCosmarium askenasyi f. undulatum J.A.Rino
» Variety Checked: verified by a taxonomic editorCosmarium askenasyi var. crateriforme Playfair accepted as Checked: verified by a taxonomic editorCosmarium askenasyi Schmidle, 1895
» Species Checked: verified by a taxonomic editorCosmarium asperum M.Dingley, 2004
» Species Checked: verified by a taxonomic editorCosmarium asphaerosporum Wittrock, 1879
  » Variety Checked: verified by a taxonomic editorCosmarium asphaerosporum var. corribense (West & G.S.West) Willi Krieger & Gerloff, 1969
» Variety Checked: verified by a taxonomic editorCosmarium asphaerosporum var. productum Nordstedt, 1887
» Variety Checked: verified by a taxonomic editorCosmarium asphaerosporum var. strigosum Nordstedt, 1897
» Species Checked: verified by a taxonomic editorCosmarium asterosporum Coesel, 1989
» Species Checked: verified by a taxonomic editorCosmarium asymmetricum Rich, 1935
» Species Checked: verified by a taxonomic editorCosmarium auriculatum Reinsch
» Species Unreviewed: has not been verified by a taxonomic editorCosmarium australe
  » Variety Unreviewed: has not been verified by a taxonomic editorCosmarium australe var. crassius (G.S West) Willi Kreiger & Gerloff
» Species Checked: verified by a taxonomic editorCosmarium baileyi Wolle, 1884
» Species Checked: verified by a taxonomic editorCosmarium basilicum G.S.West, 1899
» Species Unreviewed: has not been verified by a taxonomic editorCosmarium basiornatum (Grönblad) Coesel
» Species Checked: verified by a taxonomic editorCosmarium berryense Kouwets, 1998
» Species Checked: verified by a taxonomic editorCosmarium bicuneatum (F.Gay) Nordstedt, 1889
  » Variety Unreviewed: has not been verified by a taxonomic editorCosmarium bicuneatum var. tatricum (Raciborski) Schmidle, 1898
» Species Checked: verified by a taxonomic editorCosmarium binerve P.Lundell
  » Variety Checked: verified by a taxonomic editorCosmarium binerve var. latum Krieger & Gerloff
» Species Checked: verified by a taxonomic editorCosmarium binodulum Reinsch
» Species Checked: verified by a taxonomic editorCosmarium binum Nordstedt, 1880
  » Variety Checked: verified by a taxonomic editorCosmarium binum var. australiensis Borge
» Variety Unreviewed: has not been verified by a taxonomic editorCosmarium binum var. fontense (Playfair) Playfair
» Species Checked: verified by a taxonomic editorCosmarium bioculatum Brébisson ex Ralfs, 1848
  » Variety Checked: verified by a taxonomic editorCosmarium bioculatum var. bioculatum Ralfs, 1848
» Variety Checked: verified by a taxonomic editorCosmarium bioculatum var. boreale (Børgesen) Krieger & Gerloff
» Variety Checked: verified by a taxonomic editorCosmarium bioculatum var. canadense Willi Krieger & Gerloff, 1962
» Variety Checked: verified by a taxonomic editorCosmarium bioculatum var. depressum (Schaarschmidt) Schmidle, 1894
» Variety Checked: verified by a taxonomic editorCosmarium bioculatum var. hians West & G.S.West, 1897
» Forma Checked: verified by a taxonomic editorCosmarium bioculatum f. depressa Schaarschmidt, 1883 accepted as Checked: verified by a taxonomic editorCosmarium bioculatum var. depressum (Schaarschmidt) Schmidle, 1894
» Variety Checked: verified by a taxonomic editorCosmarium bioculatum var. omphalum Schaarschmidt, 1883 accepted as Checked: verified by a taxonomic editorCosmarium phaseolus var. omphalum (Schaarschmidt) Raciborski, 1889
  » Forma Checked: verified by a taxonomic editorCosmarium bioculatum var. omphalum f. subquadrata West, 1891 accepted as Checked: verified by a taxonomic editorCosmarium phaseolus var. subquadratum (West) Krieger & Gerloff, 1962
» Species Checked: verified by a taxonomic editorCosmarium bipapillatum (West) West & G.S.West, 1894
» Species Checked: verified by a taxonomic editorCosmarium bipunctatum Børgesen, 1890
  » Forma Checked: verified by a taxonomic editorCosmarium bipunctatum f. subrectangularis West & G.S.West
» Variety Checked: verified by a taxonomic editorCosmarium bipunctatum var. unipapillatum Insam & Krieger
» Species Checked: verified by a taxonomic editorCosmarium bireme Nordstedt, 1888
» Species Checked: verified by a taxonomic editorCosmarium biretiforme G.S.West
» Species Checked: verified by a taxonomic editorCosmarium biretum Brébisson ex Ralfs, 1848
  » Forma Unreviewed: has not been verified by a taxonomic editorCosmarium biretum f. minor
» Variety Checked: verified by a taxonomic editorCosmarium biretum var. trigibberum Nordstedt, 1875
» Variety Checked: verified by a taxonomic editorCosmarium biretum var. minus Hansgirg, 1888 accepted as Checked: verified by a taxonomic editorCosmarium biretum Brébisson ex Ralfs, 1848
» Variety Checked: verified by a taxonomic editorCosmarium biretum var. triquetrum Brebisson, 1856 accepted as Checked: verified by a taxonomic editorCosmarium biretum Brébisson ex Ralfs, 1848
» Species Checked: verified by a taxonomic editorCosmarium biscarrossense Capdevielle, 1983
» Species Checked: verified by a taxonomic editorCosmarium bisphaericum Printz
» Species Checked: verified by a taxonomic editorCosmarium bitriangulum Grönblad, 1945
  » Variety Checked: verified by a taxonomic editorCosmarium bitriangulum var. bitrapezoidale Willi Krieger & Gerloff, 1969
» Species Unreviewed: has not been verified by a taxonomic editorCosmarium blytii
  » Variety Unreviewed: has not been verified by a taxonomic editorCosmarium blytii var. bipunctatum (Dick) Ruzicka
» Species Checked: verified by a taxonomic editorCosmarium blyttii Wille, 1880
  » Forma Checked: verified by a taxonomic editorCosmarium blyttii f. australiacum Schmidle, 1896
» Forma Checked: verified by a taxonomic editorCosmarium blyttii f. australica Schmidle
» Variety Unreviewed: has not been verified by a taxonomic editorCosmarium blyttii var. blyttii
  » Forma Checked: verified by a taxonomic editorCosmarium blyttii var. blyttii f. tristriatum Lütkemuller, 1893 † accepted as Checked: verified by a taxonomic editorCosmarium sexnotatum var. tristriatum (Lütkemuller) Schmidle, 1895
» Variety Checked: verified by a taxonomic editorCosmarium blyttii var. casinoense Playfair
» Variety Checked: verified by a taxonomic editorCosmarium blyttii var. lismorense Playfair
» Variety Checked: verified by a taxonomic editorCosmarium blyttii var. novae-sylvae West & G.S.West, 1897
» Variety Checked: verified by a taxonomic editorCosmarium blyttii var. quaternigranulatum Scott ex Croasdale
» Variety Checked: verified by a taxonomic editorCosmarium blyttii var. richmondiae Playfair
» Forma Checked: verified by a taxonomic editorCosmarium blyttii f. bipunctatum J.Dick accepted as Checked: verified by a taxonomic editorCosmarium dickii Coesel, 1989
» Variety Checked: verified by a taxonomic editorCosmarium blyttii var. bipunctata (Dick) Ruzicka accepted as Checked: verified by a taxonomic editorCosmarium dickii Coesel, 1989
» Variety Checked: verified by a taxonomic editorCosmarium blyttii var. bipunctatum (Dick) Rzicka accepted as Checked: verified by a taxonomic editorCosmarium dickii Coesel, 1989
» Species Checked: verified by a taxonomic editorCosmarium boeckii Wille, 1880
  » Variety Checked: verified by a taxonomic editorCosmarium boeckii var. boeckii Wille, 1880
» Variety Checked: verified by a taxonomic editorCosmarium boeckii var. imperfectum Playfair
» Variety Checked: verified by a taxonomic editorCosmarium boeckii var. trifoliatum Playfair
» Subspecies Checked: verified by a taxonomic editorCosmarium boeckii subsp. bipapillatum West, 1892 accepted as Checked: verified by a taxonomic editorCosmarium bipapillatum (West) West & G.S.West, 1894
» Variety Checked: verified by a taxonomic editorCosmarium boeckii var. isthmolaeve Skuja ex Kouwets, 1976 accepted as Checked: verified by a taxonomic editorCosmarium limnophilum Schmidle, 1895
» Species Checked: verified by a taxonomic editorCosmarium boitierense Kouwets, 1998
  » Variety Checked: verified by a taxonomic editorCosmarium boitierense var. inambitiosum Kouwets, 1998
» Species Checked: verified by a taxonomic editorCosmarium boldtianum Gutwinski, 1894
» Species Checked: verified by a taxonomic editorCosmarium botrytis Meneghini ex Ralfs, 1848
  » Variety Checked: verified by a taxonomic editorCosmarium botrytis var. dayense A.Couté & A.Dehbi-Zebboudj
» Variety Checked: verified by a taxonomic editorCosmarium botrytis var. depressum West & G.S.West, 1905
» Variety Checked: verified by a taxonomic editorCosmarium botrytis var. emarginatum Hansgirg, 1888
» Variety Checked: verified by a taxonomic editorCosmarium botrytis var. gemmiferum (Brébisson) Nordstedt, 1888
» Variety Unreviewed: has not been verified by a taxonomic editorCosmarium botrytis var. glabrum
» Variety Unreviewed: has not been verified by a taxonomic editorCosmarium botrytis var. granulatum
» Variety Unreviewed: has not been verified by a taxonomic editorCosmarium botrytis var. mamillatum
» Variety Checked: verified by a taxonomic editorCosmarium botrytis var. mediolaeve West, 1892
» Variety Checked: verified by a taxonomic editorCosmarium botrytis var. mesoleium Nordstedt
» Variety Checked: verified by a taxonomic editorCosmarium botrytis var. paxillosporum West & G.S.West, 1912
» Variety Unreviewed: has not been verified by a taxonomic editorCosmarium botrytis var. squamosum
» Variety Checked: verified by a taxonomic editorCosmarium botrytis var. subtumidum Wittrock, 1872
» Variety Checked: verified by a taxonomic editorCosmarium botrytis var. tumidum Wolle, 1884
» Variety Checked: verified by a taxonomic editorCosmarium botrytis var. janoviense Gutwinski, 1890 accepted as Checked: verified by a taxonomic editorCosmarium hornavanense var. janoviense (Gutwinski) Ruzicka, 1949
» Species Unreviewed: has not been verified by a taxonomic editorCosmarium brasiliense
  » Variety Unreviewed: has not been verified by a taxonomic editorCosmarium brasiliense var. brasiliense Nordstedt, 1887
» Variety Checked: verified by a taxonomic editorCosmarium brasiliense var. taphrosporum Nordstedt, 1887
» Variety Checked: verified by a taxonomic editorCosmarium brasiliense var. ordinatum Børgesen, 1890 accepted as Checked: verified by a taxonomic editorCosmarium ordinatum (Børgesen) West & G.S.West, 1896
» Species Checked: verified by a taxonomic editorCosmarium braunii Reinsch, 1866
  » Variety Checked: verified by a taxonomic editorCosmarium braunii var. pseudoregnellii Messikommer, 1929 accepted as Checked: verified by a taxonomic editorCosmarium regnellii var. pseudoregnellii (Messikommer) Willi Krieger & Gerloff, 1944
» Species Checked: verified by a taxonomic editorCosmarium brebissonii Meneghini ex Ralfs, 1848
  » Variety Checked: verified by a taxonomic editorCosmarium brebissonii var. major Huber-Pestalozzi, 1918 accepted as Checked: verified by a taxonomic editorCylindrocystis brebissonii (Ralfs) de Bary, 1858
» Species Checked: verified by a taxonomic editorCosmarium broomei Thwaites ex Ralfs, 1848
  » Forma Checked: verified by a taxonomic editorCosmarium broomei f. minus U.C.Pandey & D.C.Pandey
» Variety Checked: verified by a taxonomic editorCosmarium broomei var. obliqua Wille
» Species Checked: verified by a taxonomic editorCosmarium burkillii West & G.S.West
  » Variety Checked: verified by a taxonomic editorCosmarium burkillii var. depressum A.M.Scott & Prescott
» Species Checked: verified by a taxonomic editorCosmarium caelatum Ralfs, 1848
  » Forma Checked: verified by a taxonomic editorCosmarium caelatum f. elongata F.Gay, 1892
» Variety Checked: verified by a taxonomic editorCosmarium caelatum var. bohemicum Raciborski, 1889
» Variety Checked: verified by a taxonomic editorCosmarium caelatum var. hexagonum West, 1890
» Variety Checked: verified by a taxonomic editorCosmarium caelatum var. nasutum Insam & Krieger, 1936
» Variety Checked: verified by a taxonomic editorCosmarium caelatum var. spectabile (De Notaris) Nordstedt, 1876
» Species Checked: verified by a taxonomic editorCosmarium calcareum Wittrock, 1872
  » Variety Unreviewed: has not been verified by a taxonomic editorCosmarium calcareum var. spetsbergense (O.Borge) Kurt Först., 1972
» Species Checked: verified by a taxonomic editorCosmarium calculus Coesel, 2007
» Species Checked: verified by a taxonomic editorCosmarium callosissimum A.M.Scott & Grönblad
  » Variety Unreviewed: has not been verified by a taxonomic editorCosmarium callosissimum var. callosissimum
» Species Unreviewed: has not been verified by a taxonomic editorCosmarium calodermum (Gay) de Toni
» Species Checked: verified by a taxonomic editorCosmarium cambricum Cooke & Wills
» Species Checked: verified by a taxonomic editorCosmarium canaliculatum West & G.S.West, 1896
» Species Checked: verified by a taxonomic editorCosmarium candianum Delponte, 1877
» Species Checked: verified by a taxonomic editorCosmarium capitulum J.Roy & Bissett, 1886
  » Variety Checked: verified by a taxonomic editorCosmarium capitulum var. australe G.S.West
» Variety Checked: verified by a taxonomic editorCosmarium capitulum var. groenlandicum Børgesen, 1894
» Variety Checked: verified by a taxonomic editorCosmarium capitulum var. rectangula Raciborski
» Variety Checked: verified by a taxonomic editorCosmarium capitulum var. detritum Playfair, 1913 accepted as Checked: verified by a taxonomic editorCosmarium subcontractum West & G.S.West, 1905
» Species Checked: verified by a taxonomic editorCosmarium carinthiacum Lütkemuller, 1942
» Species Checked: verified by a taxonomic editorCosmarium centiculatum
» Species Checked: verified by a taxonomic editorCosmarium ceylanicum West & G.S.West
  » Forma Checked: verified by a taxonomic editorCosmarium ceylanicum f. minus A.M.Scott & Prescott
» Species Checked: verified by a taxonomic editorCosmarium cinctutum Nordstedt, 1875
» Species Checked: verified by a taxonomic editorCosmarium circulare Reinsch, 1867
  » Variety Unreviewed: has not been verified by a taxonomic editorCosmarium circulare var. circulare
  » Forma Checked: verified by a taxonomic editorCosmarium circulare var. circulare f. minus West & G.S.West, 1905
» Variety Checked: verified by a taxonomic editorCosmarium circulare var. messikommeri Krieger & Gerloff, 1962
» Variety Unreviewed: has not been verified by a taxonomic editorCosmarium circulare var. minus Hansgirg
» Species Checked: verified by a taxonomic editorCosmarium ciskeium D.B.Williamson
» Species Checked: verified by a taxonomic editorCosmarium clepsydra Nordstedt, 1870
  » Variety Unreviewed: has not been verified by a taxonomic editorCosmarium clepsydra var. bicardia (Reinsch) Croasdale, 1956
» Variety Unreviewed: has not been verified by a taxonomic editorCosmarium clepsydra var. delaunayi Manguin, 1936
» Variety Checked: verified by a taxonomic editorCosmarium clepsydra var. hoglandica Grönblad, 1960
» Species Checked: verified by a taxonomic editorCosmarium clepsydra Delponte, 1877
» Species Checked: verified by a taxonomic editorCosmarium coarctatum West, 1892
  » Variety Checked: verified by a taxonomic editorCosmarium coarctatum var. casaresii (V.Allorge & P.Allorge) Krieger & Gerloff, 1969
» Species Checked: verified by a taxonomic editorCosmarium collectorense Playfair
» Species Checked: verified by a taxonomic editorCosmarium commissurale Brébisson ex Ralfs, 1848
  » Variety Checked: verified by a taxonomic editorCosmarium commissurale var. acutum Brébisson, 1856
» Variety Checked: verified by a taxonomic editorCosmarium commissurale var. crassum Nordstedt, 1870
» Species Checked: verified by a taxonomic editorCosmarium conglobatum Skvortzov & Noda
» Species Checked: verified by a taxonomic editorCosmarium connatum Brébisson ex Ralfs, 1848
  » Variety Checked: verified by a taxonomic editorCosmarium connatum var. minus Wolle
» Variety Checked: verified by a taxonomic editorCosmarium connatum var. truncatum West, 1892
» Species Checked: verified by a taxonomic editorCosmarium conspersum Ralfs, 1848
  » Forma Checked: verified by a taxonomic editorCosmarium conspersum f. dickiei Croasdale, 1973
» Variety Checked: verified by a taxonomic editorCosmarium conspersum var. latum (Brébisson) West & G.S.West, 1912
  » Forma Checked: verified by a taxonomic editorCosmarium conspersum var. latum f. parvum Croasdale, 1965
» Variety Checked: verified by a taxonomic editorCosmarium conspersum var. minus Raciborski, 1885
» Variety Checked: verified by a taxonomic editorCosmarium conspersum var. rotundatum Wittrock, 1869
» Variety Checked: verified by a taxonomic editorCosmarium conspersum var. scottii Croasdale
» Variety Checked: verified by a taxonomic editorCosmarium conspersum var. subrotundatum West, 1892
» Species Checked: verified by a taxonomic editorCosmarium constrictum Delponte
  » Forma Checked: verified by a taxonomic editorCosmarium constrictum f. minor F.E.Fritsch & M.F.Rich
» Variety Checked: verified by a taxonomic editorCosmarium constrictum var. subdeplanatum (Schmidle) Krieger & Gerloff, 1965 accepted as Checked: verified by a taxonomic editorCosmarium subdeplanatum Schmidle, 1898
» Species Checked: verified by a taxonomic editorCosmarium contractiforme Grönblad & Scott
» Species Checked: verified by a taxonomic editorCosmarium contractum O.Kirchner, 1878
  » Forma Unreviewed: has not been verified by a taxonomic editorCosmarium contractum f. ellipticum (A.M.Scott & Grönblad) Croasdale
» Forma Unreviewed: has not been verified by a taxonomic editorCosmarium contractum f. indentatum
» Forma Checked: verified by a taxonomic editorCosmarium contractum f. intermedia Playfair
» Variety Checked: verified by a taxonomic editorCosmarium contractum var. contractum Kirchner, 1878
» Variety Checked: verified by a taxonomic editorCosmarium contractum var. cracoviense Raciborski, 1885
» Variety Checked: verified by a taxonomic editorCosmarium contractum var. ellipsoideum (Elfving) West & G.S.West, 1902
  » Forma Checked: verified by a taxonomic editorCosmarium contractum var. ellipsoideum f. interme Playfair
» Forma Checked: verified by a taxonomic editorCosmarium contractum var. ellipsoideum f. minor Raciborski accepted as Checked: verified by a taxonomic editorCosmarium contractum var. minutum (Delponte) Coesel, 1989
» Forma Checked: verified by a taxonomic editorCosmarium contractum var. ellipsoideum f. retusum West & G.S.West, 1905 accepted as Checked: verified by a taxonomic editorCosmarium contractum var. retusum (West & G.S.West) Willi Krieger & Gerloff, 1962
» Variety Checked: verified by a taxonomic editorCosmarium contractum var. gartanense West & G.S.West, 1902
» Variety Checked: verified by a taxonomic editorCosmarium contractum var. incrassatum A.M.Scott & Prescott, 1958
» Variety Checked: verified by a taxonomic editorCosmarium contractum var. incrassatum Föster, 1963
» Variety Unreviewed: has not been verified by a taxonomic editorCosmarium contractum var. indentatum (Grönblad) Willi Krieger & Gerloff, 1962
» Variety Checked: verified by a taxonomic editorCosmarium contractum var. maximum West & G.S.West
» Variety Checked: verified by a taxonomic editorCosmarium contractum var. minutum (Delponte) Coesel, 1989
» Variety Unreviewed: has not been verified by a taxonomic editorCosmarium contractum var. notatum (Raciborski) Playfair
» Variety Checked: verified by a taxonomic editorCosmarium contractum var. pachydermum A.M.Scott & Prescott
» Variety Checked: verified by a taxonomic editorCosmarium contractum var. retusum (West & G.S.West) Willi Krieger & Gerloff, 1962
» Variety Checked: verified by a taxonomic editorCosmarium contractum var. rotundatum Borge
» Variety Checked: verified by a taxonomic editorCosmarium contractum var. subellipticum Playfair
» Variety Checked: verified by a taxonomic editorCosmarium contractum var. subfoveatum Playfair
» Variety Checked: verified by a taxonomic editorCosmarium contractum var. subglobosum Förster, 1965
» Forma Checked: verified by a taxonomic editorCosmarium contractum f. jacobsenii (J.Roy) West & G.S.West accepted as Checked: verified by a taxonomic editorCosmarium contractum O.Kirchner, 1878
» Species Checked: verified by a taxonomic editorCosmarium controversum West, 1890
» Species Checked: verified by a taxonomic editorCosmarium corbula (Brébisson) Brébisson, 1856
» Species Checked: verified by a taxonomic editorCosmarium coronatum Wills, 1881
» Species Checked: verified by a taxonomic editorCosmarium corriense Bisset, 1894
» Species Checked: verified by a taxonomic editorCosmarium corsavaggense Skuja, 1964
» Species Unreviewed: has not been verified by a taxonomic editorCosmarium cosmarioides (De Bary) J.Rzicka
» Species Checked: verified by a taxonomic editorCosmarium costatum Nordstedt, 1875
  » Forma Unreviewed: has not been verified by a taxonomic editorCosmarium costatum f. minus Boldt, 1888
» Variety Checked: verified by a taxonomic editorCosmarium costatum var. subhexalobum Boldt
» Species Unreviewed: has not been verified by a taxonomic editorCosmarium crassangulatum Borge, 1894
  » Variety Checked: verified by a taxonomic editorCosmarium crassangulatum var. champesianum Ducellier
» Variety Unreviewed: has not been verified by a taxonomic editorCosmarium crassangulatum var. elliptiicum (Grönblad) Krieger & Gerloff
» Species Unreviewed: has not been verified by a taxonomic editorCosmarium crassipelle
  » Forma Checked: verified by a taxonomic editorCosmarium crassipelle f. laterale E.A.Flint & D.B.Williamson, 1999
» Variety Unreviewed: has not been verified by a taxonomic editorCosmarium crassipelle var. champesianum (Ducellier) J.Rzicka
» Variety Checked: verified by a taxonomic editorCosmarium crassipelle var. monochrondrum D.B.Williamson, 1994
» Variety Checked: verified by a taxonomic editorCosmarium crassipelle var. noduliferum E.A.Flint & D.B.Williamson, 1998
» Species Checked: verified by a taxonomic editorCosmarium crenatum Ralfs ex Ralfs, 1848
  » Forma Unreviewed: has not been verified by a taxonomic editorCosmarium crenatum f. boltiana (Gutwinski) West & G.S.West, 1912
» Variety Unreviewed: has not been verified by a taxonomic editorCosmarium crenatum var. alpinum
» Variety Checked: verified by a taxonomic editorCosmarium crenatum var. bicrenatum Nordstedt, 1872
» Variety Unreviewed: has not been verified by a taxonomic editorCosmarium crenatum var. nanum
» Species Checked: verified by a taxonomic editorCosmarium crenulatum Nägeli, 1849
» Species Checked: verified by a taxonomic editorCosmarium crenulatum Brébisson, 1856
» Species Checked: verified by a taxonomic editorCosmarium creperum West & G.S.West
» Species Checked: verified by a taxonomic editorCosmarium cristatum Ralfs, 1848
» Species Unreviewed: has not been verified by a taxonomic editorCosmarium cruciatum Brébisson, 1856
» Species Checked: verified by a taxonomic editorCosmarium cucumis Corda ex Ralfs, 1848
  » Variety Checked: verified by a taxonomic editorCosmarium cucumis var. helveticum Nordstedt, 1880
» Variety Checked: verified by a taxonomic editorCosmarium cucumis var. magnum Raciborski, 1885
» Variety Unreviewed: has not been verified by a taxonomic editorCosmarium cucumis var. polonicum
  » Forma Unreviewed: has not been verified by a taxonomic editorCosmarium cucumis var. polonicum f. minor
» Species Unreviewed: has not been verified by a taxonomic editorCosmarium cuneatum
  » Variety Checked: verified by a taxonomic editorCosmarium cuneatum var. verrucosum Y.-X.Wei
» Species Checked: verified by a taxonomic editorCosmarium cupiforme D.B.Williamson, 1999
» Species Unreviewed: has not been verified by a taxonomic editorCosmarium curcurbita
  » Forma Checked: verified by a taxonomic editorCosmarium curcurbita f. maior West, 1892 accepted as Checked: verified by a taxonomic editorActinotaenium cucurbita (Brébisson ex Ralfs) Teiling, 1954
» Species Checked: verified by a taxonomic editorCosmarium cyclicum P.Lundell, 1871
  » Variety Unreviewed: has not been verified by a taxonomic editorCosmarium cyclicum var. ampliatum Maskell, 1883
» Variety Checked: verified by a taxonomic editorCosmarium cyclicum var. angulatum West, 1889
» Variety Checked: verified by a taxonomic editorCosmarium cyclicum var. arcticum (Nordstedt) West & G.S.West, 1905
» Variety Checked: verified by a taxonomic editorCosmarium cyclicum var. nordstedtianum (Reinsch) West & G.S.West, 1905
» Variety Unreviewed: has not been verified by a taxonomic editorCosmarium cyclicum var. subtruncatum
» Subspecies Checked: verified by a taxonomic editorCosmarium cyclicum subsp. arcticum Nordstedt, 1872 accepted as Checked: verified by a taxonomic editorCosmarium cyclicum var. arcticum (Nordstedt) West & G.S.West, 1905
» Species Checked: verified by a taxonomic editorCosmarium cyclindricum Ralfs ex Ralfs, 1848
» Species Checked: verified by a taxonomic editorCosmarium cyclops F.A.C.Kouwets, 2001
» Species Checked: verified by a taxonomic editorCosmarium cylindricoideum A.M.Scott & Prescott
» Species Checked: verified by a taxonomic editorCosmarium cylindricum Ralfs, 1848
» Species Checked: verified by a taxonomic editorCosmarium cymatium (West & G.S.West) Willi Krieger & Gerloff, 1962
» Species Checked: verified by a taxonomic editorCosmarium cymatonotophorum West, 1892
  » Variety Unreviewed: has not been verified by a taxonomic editorCosmarium cymatonotophorum var. granulatum Gronblad
» Species Checked: verified by a taxonomic editorCosmarium cymatopleurum Nordstedt, 1872
  » Forma Checked: verified by a taxonomic editorCosmarium cymatopleurum f. minus Kurz
» Variety Unreviewed: has not been verified by a taxonomic editorCosmarium cymatopleurum var. archerii (Roy & Biss) West & G.S.West, 1900
» Variety Unreviewed: has not been verified by a taxonomic editorCosmarium cymatopleurum var. cymatopleurum
» Variety Checked: verified by a taxonomic editorCosmarium cymatopleurum var. minus A.Kurz
» Variety Checked: verified by a taxonomic editorCosmarium cymatopleurum var. tyrolicum Nordstedt, 1876 accepted as Checked: verified by a taxonomic editorCosmarium tyrolicum (Nordstedt) Willi Krieger & Gerloff, 1962
» Species Checked: verified by a taxonomic editorCosmarium davidsonii J.Roy & Bissett, 1893
» Species Checked: verified by a taxonomic editorCosmarium debaryi W.Archer, 1861
» Species Checked: verified by a taxonomic editorCosmarium decedens (Reinsch) Raciborski, 1889
  » Variety Checked: verified by a taxonomic editorCosmarium decedens var. apertum Willi Krieger & Gerloff, 1965
» Variety Unreviewed: has not been verified by a taxonomic editorCosmarium decedens var. carpaticum
» Variety Checked: verified by a taxonomic editorCosmarium decedens var. minutum (Gutwinski) Krieger & Gerloff, 1965
» Variety Checked: verified by a taxonomic editorCosmarium decedens var. sinuosum (P.Lundell) Raciborski, 1889
» Forma Checked: verified by a taxonomic editorCosmarium decedens f. minor Skuja, 1928 accepted as Checked: verified by a taxonomic editorCosmarium decedens var. minutum (Gutwinski) Krieger & Gerloff, 1965
» Variety Checked: verified by a taxonomic editorCosmarium decedens var. decedens Raciborski, 1889 accepted as Checked: verified by a taxonomic editorCosmarium decedens (Reinsch) Raciborski, 1889
» Species Checked: verified by a taxonomic editorCosmarium decoratum West & G.S.West
» Species Unreviewed: has not been verified by a taxonomic editorCosmarium decorum (F.Gay) de Toni
» Species Unreviewed: has not been verified by a taxonomic editorCosmarium decussiferum
  » Variety Checked: verified by a taxonomic editorCosmarium decussiferum var. medionudum P.Bourrelly & A.Couté
» Species Unreviewed: has not been verified by a taxonomic editorCosmarium demangeonii Mougeot, 1887
» Species Checked: verified by a taxonomic editorCosmarium denboeri Meesters & Coesel, 2007
» Species Unreviewed: has not been verified by a taxonomic editorCosmarium denotarisii (Wittrock) Nordstedt, 1876
» Species Checked: verified by a taxonomic editorCosmarium denticulatum Borge
  » Variety Checked: verified by a taxonomic editorCosmarium denticulatum var. ovale Grönblad
» Species Checked: verified by a taxonomic editorCosmarium dentiferum Corda ex Nordstedt
  » Forma Unreviewed: has not been verified by a taxonomic editorCosmarium dentiferum f. minus Huber-Pestalozzi, 1928
» Variety Checked: verified by a taxonomic editorCosmarium dentiferum var. alpinum Messikommer
» Variety Unreviewed: has not been verified by a taxonomic editorCosmarium dentiferum var. quadrum (P.Lundell) Playfair
» Variety Unreviewed: has not been verified by a taxonomic editorCosmarium dentiferum var. sublatum (Nordstedt) Playfair
» Variety Checked: verified by a taxonomic editorCosmarium dentiferum var. porrectum (Nordstedt) Playfair accepted as Checked: verified by a taxonomic editorCosmarium porrectum Nordstedt
» Species Checked: verified by a taxonomic editorCosmarium depauperatum Nordstedt, 1878
» Species Checked: verified by a taxonomic editorCosmarium depressum (Nägeli) P.Lundell, 1871
  » Variety Checked: verified by a taxonomic editorCosmarium depressum var. achondrum (Boldt) West & G.S.West, 1905
» Species Unreviewed: has not been verified by a taxonomic editorCosmarium diadema
  » Variety Checked: verified by a taxonomic editorCosmarium diadema var. major Wei, 1984
» Species Unreviewed: has not been verified by a taxonomic editorCosmarium diadematum Schaarschmidt, 1883
» Species Checked: verified by a taxonomic editorCosmarium dichondroides Grönblad, 1962
» Species Checked: verified by a taxonomic editorCosmarium dichondrum West & G.S.West, 1895
  » Variety Checked: verified by a taxonomic editorCosmarium dichondrum var. tumidum Borge, 1903
» Species Checked: verified by a taxonomic editorCosmarium dickii Coesel, 1989
» Species Checked: verified by a taxonomic editorCosmarium didymochondrum Nordstedt, 1876
» Species Checked: verified by a taxonomic editorCosmarium didymoprotupsum West & G.S.West, 1908
» Species Checked: verified by a taxonomic editorCosmarium difficile Lütkemüller, 1892
  » Forma Checked: verified by a taxonomic editorCosmarium difficile f. laeve A.M.Scott & Prescott
» Forma Checked: verified by a taxonomic editorCosmarium difficile f. rectangulum D.B.Williamson
» Variety Checked: verified by a taxonomic editorCosmarium difficile var. constrictum Messikommer
» Variety Unreviewed: has not been verified by a taxonomic editorCosmarium difficile var. dilatatum Borge, 1925
» Variety Checked: verified by a taxonomic editorCosmarium difficile var. messikommeri (Croasdale) Kouwets, 1997
» Variety Unreviewed: has not been verified by a taxonomic editorCosmarium difficile var. minutissimae (Woloszynska) Brook
» Variety Unreviewed: has not been verified by a taxonomic editorCosmarium difficile var. subimpressulum Messikommer, 1927
» Variety Checked: verified by a taxonomic editorCosmarium difficile var. sublaeve Lütkemüller, 1893
» Variety Checked: verified by a taxonomic editorCosmarium difficile var. sublaeve Roy & Bisset
» Species Checked: verified by a taxonomic editorCosmarium difficillimum Playfair
» Species Checked: verified by a taxonomic editorCosmarium difficiloides Kouwets, 2001
» Species Checked: verified by a taxonomic editorCosmarium dilatatum Lütkemüller, 1960
  » Variety Unreviewed: has not been verified by a taxonomic editorCosmarium dilatatum var. concavum (J.Sieminska) F.A.C.Kouwets
» Species Unreviewed: has not been verified by a taxonomic editorCosmarium dimaziforme
  » Variety Unreviewed: has not been verified by a taxonomic editorCosmarium dimaziforme var. brasiliense (R.Grönblad) P.Bourrelly & A.Couté
» Species Checked: verified by a taxonomic editorCosmarium diplodesmium Skuja, 1964
» Species Checked: verified by a taxonomic editorCosmarium distichum Nordstedt, 1887
  » Variety Checked: verified by a taxonomic editorCosmarium distichum var. heterochondrum Raciborski
» Species Checked: verified by a taxonomic editorCosmarium dorsitruncatum (Nordstedt) G.S.West, 1909
» Species Checked: verified by a taxonomic editorCosmarium dovrense Nordstedt, 1879
» Species Checked: verified by a taxonomic editorCosmarium dubium Borge
» Species Checked: verified by a taxonomic editorCosmarium dybowskii Gutwinski, 1896
» Species Checked: verified by a taxonomic editorCosmarium eductum J.Roy & Bisset, 1888
» Species Unreviewed: has not been verified by a taxonomic editorCosmarium eichlerianum (Grönblad) Messikommer, 1957
» Species Checked: verified by a taxonomic editorCosmarium elegantissimum P.Lundell, 1871
» Species Checked: verified by a taxonomic editorCosmarium entochondrum West & G.S.West, 1908
» Species Checked: verified by a taxonomic editorCosmarium erosum Delponte, 1877
» Species Checked: verified by a taxonomic editorCosmarium etchachanense J.Roy & Bisset, 1894
» Species Unreviewed: has not been verified by a taxonomic editorCosmarium euryophrys
» Species Unreviewed: has not been verified by a taxonomic editorCosmarium eutelium Skuja, 1976
» Species Checked: verified by a taxonomic editorCosmarium exasperatum Joshua
» Species Checked: verified by a taxonomic editorCosmarium excavatum Nordstedt, 1870
» Species Checked: verified by a taxonomic editorCosmarium exiguum W.Archer, 1864
» Species Checked: verified by a taxonomic editorCosmarium fastidiosum West & G.S.West, 1897
» Species Checked: verified by a taxonomic editorCosmarium favum West & G.S.West
» Species Unreviewed: has not been verified by a taxonomic editorCosmarium feldmannii
» Species Checked: verified by a taxonomic editorCosmarium fictopraemorsum Kurt Förster, 1972
» Species Unreviewed: has not been verified by a taxonomic editorCosmarium finlandicum
» Species Checked: verified by a taxonomic editorCosmarium flavum Roy & Bisset, 1894
» Species Unreviewed: has not been verified by a taxonomic editorCosmarium floridarum (West & G.S.West) Lütkemüller
» Species Checked: verified by a taxonomic editorCosmarium fluviatile Playfair
» Species Checked: verified by a taxonomic editorCosmarium fontigenum Nordstedt, 1878
» Species Checked: verified by a taxonomic editorCosmarium formosulum Hoff, 1888
» Species Checked: verified by a taxonomic editorCosmarium foveatum Schmidle, 1898
» Species Checked: verified by a taxonomic editorCosmarium furcatospermum West & G.S.West, 1894
» Species Checked: verified by a taxonomic editorCosmarium furcatum K.Förster & Eckert, 1964
» Species Checked: verified by a taxonomic editorCosmarium fusum Roy & Bisset, 1886
» Species Checked: verified by a taxonomic editorCosmarium galeritum Nordstedt, 1870
» Species Checked: verified by a taxonomic editorCosmarium garrolense J.Roy & Bisset, 1894
» Species Unreviewed: has not been verified by a taxonomic editorCosmarium gauthierae St'asny & Neustupa, 2008
» Species Checked: verified by a taxonomic editorCosmarium gayanum De Toni, 1889
» Species Checked: verified by a taxonomic editorCosmarium geminatum P.Lundell, 1871
» Species Checked: verified by a taxonomic editorCosmarium gemma R.L.Grönblad & A.M.Scott, 1958
» Species Checked: verified by a taxonomic editorCosmarium geometricum West & G.S.West, 1895
» Species Checked: verified by a taxonomic editorCosmarium georgicum Reinsch, 1890
» Species Checked: verified by a taxonomic editorCosmarium gibberulum Lütekemüller
» Species Unreviewed: has not been verified by a taxonomic editorCosmarium giganteum (Y.Thérézien) P.F.M.Coesel
» Species Checked: verified by a taxonomic editorCosmarium glyptodermum West & G.S.West, 1895
» Species Checked: verified by a taxonomic editorCosmarium goniodes West & G.S.West, 1895
» Species Unreviewed: has not been verified by a taxonomic editorCosmarium gotlandicum
» Species Unreviewed: has not been verified by a taxonomic editorCosmarium granatoides (Schmidle) Schmidle
» Species Checked: verified by a taxonomic editorCosmarium granatum Brébisson ex Ralfs, 1848
» Species Checked: verified by a taxonomic editorCosmarium grantii Roy & Bisset, 1894
» Species Checked: verified by a taxonomic editorCosmarium granulatum West, 1889
» Species Checked: verified by a taxonomic editorCosmarium granuluscum J.Roy & Bisset
» Species Checked: verified by a taxonomic editorCosmarium gravatum W.Archer
» Species Checked: verified by a taxonomic editorCosmarium hammeri Reinsch, 1866
» Species Checked: verified by a taxonomic editorCosmarium hardyi G.S.West
» Species Unreviewed: has not been verified by a taxonomic editorCosmarium haxapapillatum
» Species Checked: verified by a taxonomic editorCosmarium haynaldii Schaarschmidt, 1883
» Species Checked: verified by a taxonomic editorCosmarium heimerlii West, 1895
» Species Checked: verified by a taxonomic editorCosmarium helcangulare Nordstedt, 1888
» Species Unreviewed: has not been verified by a taxonomic editorCosmarium helccangulare
» Species Checked: verified by a taxonomic editorCosmarium heliosporum Maskell, 1889
» Species Checked: verified by a taxonomic editorCosmarium hexalobum Nordstedt, 1872
» Species Checked: verified by a taxonomic editorCosmarium hians Borge
» Species Checked: verified by a taxonomic editorCosmarium holmiense P.Lundell, 1871
» Species Checked: verified by a taxonomic editorCosmarium holmii Wille, 1885
» Species Checked: verified by a taxonomic editorCosmarium homalodermum Nordstedt, 1875
» Species Checked: verified by a taxonomic editorCosmarium horizontale (Schmidle) Kouwets, 1997
» Species Checked: verified by a taxonomic editorCosmarium hornavanense Gutwinski, 1909
» Species Checked: verified by a taxonomic editorCosmarium humile Nordstedt ex De Toni, 1889
» Species Unreviewed: has not been verified by a taxonomic editorCosmarium hunyadyanum Schaarschmidt, 1882
» Species Checked: verified by a taxonomic editorCosmarium impressulum Elfving, 1881
» Species Checked: verified by a taxonomic editorCosmarium inacrassatoplicatum Hinode
» Species Checked: verified by a taxonomic editorCosmarium incertum Schmidle, 1895
» Species Checked: verified by a taxonomic editorCosmarium incognitum Playfair
» Species Checked: verified by a taxonomic editorCosmarium inconspicuum West & G.S.West, 1896
» Species Checked: verified by a taxonomic editorCosmarium incurvum Lütkemüller ex Grönblad, 1942
» Species Checked: verified by a taxonomic editorCosmarium indentatum Grönblad, 1920
» Species Unreviewed: has not been verified by a taxonomic editorCosmarium infirmum Grondblad, 1926
» Species Checked: verified by a taxonomic editorCosmarium insamii Insam & Krieger, 1936
» Species Checked: verified by a taxonomic editorCosmarium insigne W.B.Turner, 1893
» Species Checked: verified by a taxonomic editorCosmarium intermedium Delponte, 1878
» Species Checked: verified by a taxonomic editorCosmarium isthmium West, 1890
» Species Checked: verified by a taxonomic editorCosmarium isthmochondrum Nordstedt, 1873
» Species Checked: verified by a taxonomic editorCosmarium itatiayae Willi Krieger, 1950
» Species Checked: verified by a taxonomic editorCosmarium jaoi Kouwets, 1998
» Species Checked: verified by a taxonomic editorCosmarium javanicum Nordstedt, 1880
» Species Checked: verified by a taxonomic editorCosmarium jemtlandicum Grönblad
» Species Checked: verified by a taxonomic editorCosmarium jenisejense Boldt, 1885
» Species Checked: verified by a taxonomic editorCosmarium jugatum Coesel, 2007
» Species Unreviewed: has not been verified by a taxonomic editorCosmarium kanitzii Schaarschmidt, 1883
» Species Checked: verified by a taxonomic editorCosmarium kirchneri Børgesen, 1889
» Species Checked: verified by a taxonomic editorCosmarium kjellmanii Wille, 1879
» Species Checked: verified by a taxonomic editorCosmarium kolkwitzii Willi Krieger, 1950
» Species Checked: verified by a taxonomic editorCosmarium kostei K.Thomasson
» Species Checked: verified by a taxonomic editorCosmarium kotilainense Grönblad, 1962
» Species Checked: verified by a taxonomic editorCosmarium kwangsiense C.C.Jao, 1949
» Species Checked: verified by a taxonomic editorCosmarium laeve Rabenhorst, 1868
» Species Unreviewed: has not been verified by a taxonomic editorCosmarium lagenarioides (Roy) Lütkem., 1923
» Species Checked: verified by a taxonomic editorCosmarium lagerheimii Gutwinski, 1892
» Species Checked: verified by a taxonomic editorCosmarium lapponicum Borge
» Species Checked: verified by a taxonomic editorCosmarium latereprotractum Playfair
» Species Checked: verified by a taxonomic editorCosmarium laticeps Grunow ex Rabenhorst, 1868
» Species Checked: verified by a taxonomic editorCosmarium laticollum Delponte
» Species Checked: verified by a taxonomic editorCosmarium latifrons P.Lundell, 1871
» Species Checked: verified by a taxonomic editorCosmarium leiodermum F.Gay, 1884
» Species Checked: verified by a taxonomic editorCosmarium lepidum West, 1889
» Species Checked: verified by a taxonomic editorCosmarium levinotabile Croasdale, 1981
» Species Checked: verified by a taxonomic editorCosmarium limai J.Sampaio, 1941
» Species Checked: verified by a taxonomic editorCosmarium limnophilum Schmidle, 1895
» Species Checked: verified by a taxonomic editorCosmarium lobatosporum W.Archer, 1867
» Species Checked: verified by a taxonomic editorCosmarium lobulatum Schmidle, 1893
» Species Checked: verified by a taxonomic editorCosmarium logiense Bissett, 1884
» Species Unreviewed: has not been verified by a taxonomic editorCosmarium lomnicense
» Species Unreviewed: has not been verified by a taxonomic editorCosmarium lortetianum Rabenhorst
» Species Checked: verified by a taxonomic editorCosmarium lundellii Delponte, 1878
» Species Checked: verified by a taxonomic editorCosmarium lutetianum Kouwets, 1998
» Species Checked: verified by a taxonomic editorCosmarium luxuriosum (Kouwets) Coesel, 1989
» Species Checked: verified by a taxonomic editorCosmarium maamense D.B.Williamson & D.M.John, 2009
» Species Checked: verified by a taxonomic editorCosmarium macrochondrum Grönblad & Scott, 1958
» Species Checked: verified by a taxonomic editorCosmarium magnificum Nordstedt, 1887
» Species Checked: verified by a taxonomic editorCosmarium majae Strøm, 1922
» Species Checked: verified by a taxonomic editorCosmarium malinvernianum (Raciborski) Schmidle, 1894
» Species Unreviewed: has not been verified by a taxonomic editorCosmarium mamilliferum
» Species Checked: verified by a taxonomic editorCosmarium mansangense West & G.S.West
» Species Checked: verified by a taxonomic editorCosmarium margaritaceum
» Species Checked: verified by a taxonomic editorCosmarium margaritatum (P.Lundell) J.Roy & Bisset, 1886
» Species Checked: verified by a taxonomic editorCosmarium margaritiferum Meneghini ex Ralfs, 1848
» Species Checked: verified by a taxonomic editorCosmarium maskellii H.Croasdale, 1988
» Species Checked: verified by a taxonomic editorCosmarium mateyucense P.F.M.Coesel
» Species Checked: verified by a taxonomic editorCosmarium mbabanicum D.B.Williamson
» Species Checked: verified by a taxonomic editorCosmarium medioretrusum Coesel, 2007
» Species Checked: verified by a taxonomic editorCosmarium medioscrobiculatum West & G.S.West
» Species Checked: verified by a taxonomic editorCosmarium melanosporum W.Archer & J.Roy, 1883
» Species Unreviewed: has not been verified by a taxonomic editorCosmarium meneghini
» Species Checked: verified by a taxonomic editorCosmarium meneghinii Brébisson ex Ralfs, 1848
» Species Unreviewed: has not been verified by a taxonomic editorCosmarium mentiens Schaarschmidt, 1883
» Species Unreviewed: has not been verified by a taxonomic editorCosmarium mesoleium (Raciborski) Playfair
» Species Checked: verified by a taxonomic editorCosmarium messikommeri Coesel, 1989
» Species Checked: verified by a taxonomic editorCosmarium microsphinctum Nordstedt, 1876
» Species Checked: verified by a taxonomic editorCosmarium minimum West & G.S.West, 1895
» Species Checked: verified by a taxonomic editorCosmarium minor
» Species Checked: verified by a taxonomic editorCosmarium minutissimum W.Archer, 1877
» Species Checked: verified by a taxonomic editorCosmarium miscellum Skuja & Messikommer
» Species Checked: verified by a taxonomic editorCosmarium moerlianum Lütkemüller, 1893
» Species Checked: verified by a taxonomic editorCosmarium moniliferum Reinsch, 1875
» Species Checked: verified by a taxonomic editorCosmarium moniliforme Ralfs, 1848
» Species Checked: verified by a taxonomic editorCosmarium monochondrum Nordstedt, 1873
» Species Checked: verified by a taxonomic editorCosmarium monomazum P.Lundell, 1871
» Species Checked: verified by a taxonomic editorCosmarium montrealense Croasdale, 1981
» Species Checked: verified by a taxonomic editorCosmarium mooreanum (Archer) Lütekmuller
» Species Checked: verified by a taxonomic editorCosmarium morsum West, 1892
» Species Checked: verified by a taxonomic editorCosmarium multigranulatum Prescott & A.M.Scott
» Species Checked: verified by a taxonomic editorCosmarium multiordinatum West & G.S.West
» Species Checked: verified by a taxonomic editorCosmarium multituberculatum F.E.Fritsch & M.F.Rich
» Species Checked: verified by a taxonomic editorCosmarium murrayi Playfair
» Species Checked: verified by a taxonomic editorCosmarium naegelianum Brébisson, 1856
» Species Unreviewed: has not been verified by a taxonomic editorCosmarium naeglianum
» Species Checked: verified by a taxonomic editorCosmarium nagelianum Brébisson, 1856
» Species Checked: verified by a taxonomic editorCosmarium nasutum Nordstedt, 1872
» Species Unreviewed: has not been verified by a taxonomic editorCosmarium nathorstii Boldt
» Species Checked: verified by a taxonomic editorCosmarium neapolitanum F.Balsamo, 1889
» Species Checked: verified by a taxonomic editorCosmarium neouviellense Kouwets, 1997
» Species Checked: verified by a taxonomic editorCosmarium netzerianum Schmidle, 1895
» Species Checked: verified by a taxonomic editorCosmarium nitidulum De Notaris, 1867
» Species Checked: verified by a taxonomic editorCosmarium nivram M.Dingley, 2004
» Species Unreviewed: has not been verified by a taxonomic editorCosmarium nordstedtii Delponte, 1878
» Species Checked: verified by a taxonomic editorCosmarium norimbergense Reinsch, 1867
» Species Checked: verified by a taxonomic editorCosmarium norvegicum Strøm
» Species Checked: verified by a taxonomic editorCosmarium norwegicum Strøm, 1926
» Species Checked: verified by a taxonomic editorCosmarium notabile Brébisson, 1856
» Species Unreviewed: has not been verified by a taxonomic editorCosmarium notatum (Grönblad) Coesel, 1989
» Species Checked: verified by a taxonomic editorCosmarium novae-semliae Wille, 1879
» Species Unreviewed: has not been verified by a taxonomic editorCosmarium novae-somliae
» Species Unreviewed: has not been verified by a taxonomic editorCosmarium nudum (W.B.Turner) Gutwinski
» Species Checked: verified by a taxonomic editorCosmarium nuttallii West, 1892
» Species Checked: verified by a taxonomic editorCosmarium nymannianum Grunow, 1868
» Species Unreviewed: has not been verified by a taxonomic editorCosmarium obgoletum (Hantzsch) Reinsch, 1867
» Species Checked: verified by a taxonomic editorCosmarium obliquum Nordstedt, 1873
» Species Checked: verified by a taxonomic editorCosmarium oblongum Bennett, 1886
» Species Checked: verified by a taxonomic editorCosmarium obsoletum (Hantzsch) Reinsch, 1867
» Species Unreviewed: has not been verified by a taxonomic editorCosmarium obsoletum (Hantzsch) Reinsch
» Species Checked: verified by a taxonomic editorCosmarium obtusatum (Schmidle) Schmidle, 1898
» Species Checked: verified by a taxonomic editorCosmarium ocellatum B.Eichler & Gutwinski, 1894
» Species Checked: verified by a taxonomic editorCosmarium ochthodes Nordstedt, 1875
» Species Unreviewed: has not been verified by a taxonomic editorCosmarium octhodes
» Species Checked: verified by a taxonomic editorCosmarium oenpelliense A.M.Scott & Prescott
» Species Checked: verified by a taxonomic editorCosmarium oligogongrus Reinsch, 1875
» Species Checked: verified by a taxonomic editorCosmarium oliveri Schaarschm.
» Species Unreviewed: has not been verified by a taxonomic editorCosmarium onychonema
» Species Checked: verified by a taxonomic editorCosmarium ophelii Prescott & A.M.Scott
» Species Checked: verified by a taxonomic editorCosmarium orbiculatum Ralfs ex Ralfs, 1848
» Species Checked: verified by a taxonomic editorCosmarium ordinatum (Børgesen) West & G.S.West, 1896
» Species Checked: verified by a taxonomic editorCosmarium ornatulum Coesel
» Species Checked: verified by a taxonomic editorCosmarium ornatum Ralfs ex Ralfs, 1848
» Species Checked: verified by a taxonomic editorCosmarium orthogonum Delponte, 1878
» Species Checked: verified by a taxonomic editorCosmarium orthopunctulatum Schmidle, 1895
» Species Checked: verified by a taxonomic editorCosmarium orthostichum P.Lundell, 1871
» Species Checked: verified by a taxonomic editorCosmarium ovale Ralfs ex Ralfs, 1848
» Species Checked: verified by a taxonomic editorCosmarium pachydermum P.Lundell, 1871
» Species Checked: verified by a taxonomic editorCosmarium palustre W.B.Turner, 1893
» Species Checked: verified by a taxonomic editorCosmarium panduratum Delponte
» Species Checked: verified by a taxonomic editorCosmarium panduriforme W.B.Turner
» Species Unreviewed: has not been verified by a taxonomic editorCosmarium pankakoskii Gronblad
» Species Checked: verified by a taxonomic editorCosmarium papilliferum Schmidle
» Species Checked: verified by a taxonomic editorCosmarium paragranatoides Skuja, 1930
» Species Checked: verified by a taxonomic editorCosmarium pardalis Cohn
» Species Checked: verified by a taxonomic editorCosmarium parvulum Brébisson, 1856
» Species Checked: verified by a taxonomic editorCosmarium paucigranulatum Borge
» Species Checked: verified by a taxonomic editorCosmarium perfissum G.S.West, 1909
» Species Checked: verified by a taxonomic editorCosmarium perforatum P.Lundell, 1871
» Species Checked: verified by a taxonomic editorCosmarium pericymatium Nordstedt, 1875
» Species Checked: verified by a taxonomic editorCosmarium perigranulatum A.M.Scott & Prescott
» Species Checked: verified by a taxonomic editorCosmarium permaculatum R.L.Grönblad & A.M.Scott, 1958
» Species Checked: verified by a taxonomic editorCosmarium perpusillum West, 1892
» Species Checked: verified by a taxonomic editorCosmarium petsamoense Cedercreutz, 1932
» Species Checked: verified by a taxonomic editorCosmarium phaseolus Brébisson ex Ralfs, 1848
» Species Checked: verified by a taxonomic editorCosmarium pileolatum Brébisson ex Comère, 1901
» Species Checked: verified by a taxonomic editorCosmarium planogranatum Croasdale, 1962
» Species Checked: verified by a taxonomic editorCosmarium plicatum Reinsch, 1867
» Species Checked: verified by a taxonomic editorCosmarium pluviale W.Archer, 1861
» Species Checked: verified by a taxonomic editorCosmarium pokornyanum (Grunow) West & G.S.West, 1900
» Species Checked: verified by a taxonomic editorCosmarium polygonatum Halász, 1940
» Species Checked: verified by a taxonomic editorCosmarium polygonum (Nägeli) W.Archer, 1861
» Species Checked: verified by a taxonomic editorCosmarium polymorphum Nordstedt, 1870
» Species Checked: verified by a taxonomic editorCosmarium porrectum Nordstedt
» Species Checked: verified by a taxonomic editorCosmarium porteanum W.Archer, 1860
» Species Checked: verified by a taxonomic editorCosmarium praecisum Borge, 1921
» Species Checked: verified by a taxonomic editorCosmarium praegrande P.Lundell, 1871
» Species Checked: verified by a taxonomic editorCosmarium praemorsum Brébisson, 1856
» Species Checked: verified by a taxonomic editorCosmarium prometopidion Skuja, 1976
» Species Checked: verified by a taxonomic editorCosmarium prominulum Raciborski, 1885
» Species Checked: verified by a taxonomic editorCosmarium promontorium West & G.S.West, 1894
» Species Checked: verified by a taxonomic editorCosmarium protomphalum Skuja
» Species Checked: verified by a taxonomic editorCosmarium protractum (Nägeli) De Bary, 1858
» Species Checked: verified by a taxonomic editorCosmarium protruberans P.Lundell, 1871
» Species Checked: verified by a taxonomic editorCosmarium protuberans P.Lundell, 1871
» Species Checked: verified by a taxonomic editorCosmarium prowsei Grönblad & Scott, 1958
» Species Checked: verified by a taxonomic editorCosmarium pseudamoenum Wille, 1884
» Species Checked: verified by a taxonomic editorCosmarium pseudarctoides Strøm
» Species Checked: verified by a taxonomic editorCosmarium pseudarctoum Nordstedt, 1879
» Species Checked: verified by a taxonomic editorCosmarium pseudatlantoideum West, 1892
» Species Checked: verified by a taxonomic editorCosmarium pseudoamoenum Wille, 1884
» Species Checked: verified by a taxonomic editorCosmarium pseudoarmatum A.M.Scott & Prescott
» Species Checked: verified by a taxonomic editorCosmarium pseudobiremum Boldt, 1885
» Species Checked: verified by a taxonomic editorCosmarium pseudobotrytis F.Gay, 1884
» Species Checked: verified by a taxonomic editorCosmarium pseudobroomei Wolle, 1884
» Species Checked: verified by a taxonomic editorCosmarium pseudocommissurale F.A.C.Kouwets, 1991
» Species Checked: verified by a taxonomic editorCosmarium pseudoconnatum Nordstedt, 1870
» Species Checked: verified by a taxonomic editorCosmarium pseudoexiguum Raciborski, 1885
» Species Checked: verified by a taxonomic editorCosmarium pseudogranatum Nordstedt, 1870
» Species Checked: verified by a taxonomic editorCosmarium pseudoholmii Borge, 1913
» Species Checked: verified by a taxonomic editorCosmarium pseudoincrassatum P.Bourrelly & A.Couté
» Species Checked: verified by a taxonomic editorCosmarium pseudoinsigne Prescott, 1981
» Species Unreviewed: has not been verified by a taxonomic editorCosmarium pseudomargaritiferum Reinsch
» Species Checked: verified by a taxonomic editorCosmarium pseudonitidulum Nordstedt, 1873
» Species Checked: verified by a taxonomic editorCosmarium pseudoornatum B.Eichler & Gutwinski, 1894
» Species Checked: verified by a taxonomic editorCosmarium pseudopachydermum Nordstedt, 1887
» Species Checked: verified by a taxonomic editorCosmarium pseudopericymatium Hinode, 1965
» Species Checked: verified by a taxonomic editorCosmarium pseudophaseolus Brühl & Biswas, 1926
» Species Checked: verified by a taxonomic editorCosmarium pseudoprotuberans O.Kirchner, 1878
» Species Checked: verified by a taxonomic editorCosmarium pseudopyramidatum P.Lundell, 1871
» Species Unreviewed: has not been verified by a taxonomic editorCosmarium pseudopyrimidatum
» Species Checked: verified by a taxonomic editorCosmarium pseudoquadratulum Prescott & A.M.Scott
» Species Checked: verified by a taxonomic editorCosmarium pseudoretusum F.Ducellier
» Species Checked: verified by a taxonomic editorCosmarium pseudoscenedesmus West & G.S.West
» Species Checked: verified by a taxonomic editorCosmarium pseudospeciosum Raciborski, 1892
» Species Unreviewed: has not been verified by a taxonomic editorCosmarium pseudotinescense
» Species Checked: verified by a taxonomic editorCosmarium pseudovariolatum Grönblad
» Species Checked: verified by a taxonomic editorCosmarium pseudowembaerense Kouwets, 1998
» Species Checked: verified by a taxonomic editorCosmarium pulcherrimum Nordstedt, 1870
» Species Checked: verified by a taxonomic editorCosmarium punctatum Nordstedt
» Species Checked: verified by a taxonomic editorCosmarium punctulatum Brébisson, 1856
» Species Checked: verified by a taxonomic editorCosmarium pycnochondrum Nordstedt, 1873
» Species Checked: verified by a taxonomic editorCosmarium pygmaeum W.Archer, 1864
» Species Checked: verified by a taxonomic editorCosmarium pyramidatum Brébisson ex Ralfs, 1848
» Species Checked: verified by a taxonomic editorCosmarium pyriforme Nordstedt
» Species Checked: verified by a taxonomic editorCosmarium quadratulum (F.Gay) De Toni, 1889
» Species Checked: verified by a taxonomic editorCosmarium quadratum Ralfs ex Ralfs, 1848
» Species Checked: verified by a taxonomic editorCosmarium quadridentatum West & G.S.West, 1902
» Species Checked: verified by a taxonomic editorCosmarium quadrifarium P.Lundell, 1871
» Species Checked: verified by a taxonomic editorCosmarium quadrimamillatum West & G.S.West, 1903
» Species Checked: verified by a taxonomic editorCosmarium quadriverrucosum West & G.S.West, 1907
» Species Checked: verified by a taxonomic editorCosmarium quadrogranulatum West & G.S.West, 1895
» Species Unreviewed: has not been verified by a taxonomic editorCosmarium quadrulatum
» Species Checked: verified by a taxonomic editorCosmarium quadrum P.Lundell, 1871
» Species Checked: verified by a taxonomic editorCosmarium quasillus P.Lundell, 1871
» Species Checked: verified by a taxonomic editorCosmarium quaternarium Nordstedt, 1880
» Species Checked: verified by a taxonomic editorCosmarium quinarium P.Lundell, 1871
» Species Checked: verified by a taxonomic editorCosmarium raciborskii Lagerheim, 1887
» Species Checked: verified by a taxonomic editorCosmarium radiosum Wolle, 1884
» Species Checked: verified by a taxonomic editorCosmarium raeticum Messikommer, 1935
» Species Checked: verified by a taxonomic editorCosmarium ralfsii Brébisson ex Ralfs, 1848
» Species Checked: verified by a taxonomic editorCosmarium rarissimum D.B.Williamson
» Species Checked: verified by a taxonomic editorCosmarium rectangulare Grunow, 1868
» Species Checked: verified by a taxonomic editorCosmarium rectangulum Reinsch, 1875
» Species Checked: verified by a taxonomic editorCosmarium refringens
» Species Checked: verified by a taxonomic editorCosmarium regnellii Wille, 1884
» Species Checked: verified by a taxonomic editorCosmarium regnesii Reinsch, 1866
» Species Checked: verified by a taxonomic editorCosmarium regulare Schmidle, 1894
» Species Checked: verified by a taxonomic editorCosmarium reinschii W.Archer, 1876
» Species Checked: verified by a taxonomic editorCosmarium reniforme (Ralfs) W.Archer, 1874
» Species Checked: verified by a taxonomic editorCosmarium repandum Nordstedt, 1887
» Species Checked: verified by a taxonomic editorCosmarium retusiforme (Wille) Gutwinski, 1890
» Species Checked: verified by a taxonomic editorCosmarium retusum (Perty) Rabenhorst, 1868
» Species Checked: verified by a taxonomic editorCosmarium rotundatum (F.Gay) De Toni, 1889
» Species Checked: verified by a taxonomic editorCosmarium rotundum Prescott & A.M.Scott
» Species Checked: verified by a taxonomic editorCosmarium rupestre (Nägeli) W.Archer, 1861
» Species Checked: verified by a taxonomic editorCosmarium salinum Hansgirg, 1886
» Species Checked: verified by a taxonomic editorCosmarium saxicola Kaiser, 1926
» Species Checked: verified by a taxonomic editorCosmarium scopulorum O.Borge, 1913
» Species Checked: verified by a taxonomic editorCosmarium scoticum West & G.S.West, 1894
» Species Unreviewed: has not been verified by a taxonomic editorCosmarium scottii
» Species Checked: verified by a taxonomic editorCosmarium securiforme Borge
» Species Checked: verified by a taxonomic editorCosmarium seelyanum Wolle
» Species Checked: verified by a taxonomic editorCosmarium sexangulare P.Lundell, 1871
» Species Checked: verified by a taxonomic editorCosmarium sexnotatum Gutwinski, 1892
» Species Checked: verified by a taxonomic editorCosmarium simii Roy & Bisset, 1894
» Species Checked: verified by a taxonomic editorCosmarium simplex (F.Gay) De Toni
» Species Checked: verified by a taxonomic editorCosmarium simplicius (West & G.S.West) Grönblad, 1931
» Species Checked: verified by a taxonomic editorCosmarium simulum Borge
» Species Checked: verified by a taxonomic editorCosmarium sinostegos Schaarschmidt, 1882
» Species Checked: verified by a taxonomic editorCosmarium skujae Willi Krieger & Gerloff, 1965
» Species Checked: verified by a taxonomic editorCosmarium slewdrumense Roy, 1890
» Species Checked: verified by a taxonomic editorCosmarium smolandicum P.Lundell, 1871
» Species Checked: verified by a taxonomic editorCosmarium sniatyniense Gutwinski
» Species Checked: verified by a taxonomic editorCosmarium solidum Nordstedt, 1887
» Species Checked: verified by a taxonomic editorCosmarium sparsepunctatum (Schmidle) West & G.S.West, 1897
» Species Checked: verified by a taxonomic editorCosmarium spechtii A.M.Scott & Prescott
» Species Checked: verified by a taxonomic editorCosmarium speciosissimum Schmidle, 1895
» Species Checked: verified by a taxonomic editorCosmarium speciosum P.Lundell, 1871
» Species Checked: verified by a taxonomic editorCosmarium sphaeroideum West, 1892
» Species Checked: verified by a taxonomic editorCosmarium sphagnicola West & G.S.West, 1897
» Species Checked: verified by a taxonomic editorCosmarium sphalerostichum Nordstedt, 1876
» Species Checked: verified by a taxonomic editorCosmarium sphyrelatum Coesel, 1989
» Species Checked: verified by a taxonomic editorCosmarium spinuliferum West & G.S.West
» Species Unreviewed: has not been verified by a taxonomic editorCosmarium spirale (Playfair) Willi Krieger & J.Gerloff
» Species Checked: verified by a taxonomic editorCosmarium sportella Brébisson ex Kützing, 1849
» Species Checked: verified by a taxonomic editorCosmarium spyridion West & G.S.West, 1895
» Species Checked: verified by a taxonomic editorCosmarium staurastroides Eichler & Gutwinski, 1894
» Species Checked: verified by a taxonomic editorCosmarium staurochondrum Lemaire
» Species Unreviewed: has not been verified by a taxonomic editorCosmarium stenonotum
» Species Checked: verified by a taxonomic editorCosmarium stigmosum (Nordstedt) Krieger, 1932
» Species Checked: verified by a taxonomic editorCosmarium striolatum (Nägeli) W.Archer, 1861
» Species Checked: verified by a taxonomic editorCosmarium subadoxum Grönblad
» Species Checked: verified by a taxonomic editorCosmarium subalatum West & G.S.West, 1895
» Species Checked: verified by a taxonomic editorCosmarium subarctoum (Lagerheim) Raciborski, 1892
» Species Checked: verified by a taxonomic editorCosmarium subaversum Barges., 1897
» Species Unreviewed: has not been verified by a taxonomic editorCosmarium subbinale (Nordstedt) Lager.
» Species Checked: verified by a taxonomic editorCosmarium subbroomei Schmidle, 1893
» Species Checked: verified by a taxonomic editorCosmarium subcapitulum West
» Species Checked: verified by a taxonomic editorCosmarium subcontractum West & G.S.West, 1905
» Species Checked: verified by a taxonomic editorCosmarium subcostatum Nordstedt, 1876
» Species Checked: verified by a taxonomic editorCosmarium subcrenatum Hantzsch, 1868
» Species Checked: verified by a taxonomic editorCosmarium subcrenulatum Hantzsch, 1861
» Species Checked: verified by a taxonomic editorCosmarium subcucumis Schmidle, 1893
» Species Unreviewed: has not been verified by a taxonomic editorCosmarium subcyclicum Maskell, 1889
» Species Checked: verified by a taxonomic editorCosmarium subcylindricum West, 1892
» Species Checked: verified by a taxonomic editorCosmarium subdanicum West, 1892
» Species Checked: verified by a taxonomic editorCosmarium subdeplanatum Schmidle, 1898
» Species Checked: verified by a taxonomic editorCosmarium subdepressum West & G.S.West
» Species Checked: verified by a taxonomic editorCosmarium subdistichum Raciborski
» Species Unreviewed: has not been verified by a taxonomic editorCosmarium subeductum
» Species Checked: verified by a taxonomic editorCosmarium subexcavatum West & G.S.West, 1900
» Species Checked: verified by a taxonomic editorCosmarium subgranatum (Nordstedt) Lütkemüller, 1902
» Species Checked: verified by a taxonomic editorCosmarium subhammeri Rich
» Species Checked: verified by a taxonomic editorCosmarium subhexapapillatum Wei, 1984
» Species Checked: verified by a taxonomic editorCosmarium subimpressulum O.Borge, 1894
» Species Checked: verified by a taxonomic editorCosmarium subjenisejense Grönblad, 1964
» Species Checked: verified by a taxonomic editorCosmarium sublobatiforme R.L.Grönblad & A.M.Scott, 1958
» Species Checked: verified by a taxonomic editorCosmarium submammilliferum West & G.S.West
» Species Checked: verified by a taxonomic editorCosmarium subnudiceps West & G.S.West, 1898
» Species Checked: verified by a taxonomic editorCosmarium subochthodes Schmidle, 1895
» Species Unreviewed: has not been verified by a taxonomic editorCosmarium subochtodes
» Species Checked: verified by a taxonomic editorCosmarium suborthostichum Raciborski
» Species Checked: verified by a taxonomic editorCosmarium subpachydermum Schmidle, 1893
» Species Checked: verified by a taxonomic editorCosmarium subpalangula Elfving, 1881
» Species Checked: verified by a taxonomic editorCosmarium subphaseolus F.A.C.Kouwets
» Species Checked: verified by a taxonomic editorCosmarium subprotumidum Nordstedt, 1876
» Species Unreviewed: has not been verified by a taxonomic editorCosmarium subpyramidatum Nordstedt
» Species Checked: verified by a taxonomic editorCosmarium subquadrans West & G.S.West, 1905
» Species Checked: verified by a taxonomic editorCosmarium subquadratum Nordstedt, 1876
» Species Checked: verified by a taxonomic editorCosmarium subraciborskii Taft, 1945
» Species Checked: verified by a taxonomic editorCosmarium subrectangulare Gutwinski, 1894
» Species Checked: verified by a taxonomic editorCosmarium subreinschii Schmidle
» Species Checked: verified by a taxonomic editorCosmarium subreinschii Schmidle, 1894
» Species Checked: verified by a taxonomic editorCosmarium subreniforme Nordstedt, 1875
» Species Checked: verified by a taxonomic editorCosmarium subretusiforme West & G.S.West, 1894
» Species Checked: verified by a taxonomic editorCosmarium subspeciosum Nordstedt, 1875
» Species Unreviewed: has not been verified by a taxonomic editorCosmarium subtholiforme
» Species Checked: verified by a taxonomic editorCosmarium subtransiens Croasdale, 1956
» Species Checked: verified by a taxonomic editorCosmarium subtrinodulum West & G.S.West, 1900
» Species Checked: verified by a taxonomic editorCosmarium subtriordinatum West & G.S.West
» Species Checked: verified by a taxonomic editorCosmarium subtumidum Nordstedt, 1889
» Species Unreviewed: has not been verified by a taxonomic editorCosmarium subturgidum (W.B.Turner) Schmidle
» Species Checked: verified by a taxonomic editorCosmarium subundulatum Wille, 1880
» Species Unreviewed: has not been verified by a taxonomic editorCosmarium sumatranum Krieger, 1932
» Species Unreviewed: has not been verified by a taxonomic editorCosmarium supraconnatum (W.B.Turner) Biswas, 1949
» Species Checked: verified by a taxonomic editorCosmarium synthlibomenum West, 1892
» Species Checked: verified by a taxonomic editorCosmarium tatricum Raciborski, 1885
» Species Checked: verified by a taxonomic editorCosmarium taxichondriforme Eichler & Gutwinski, 1894
» Species Checked: verified by a taxonomic editorCosmarium taxichondrum P.Lundell, 1871
» Species Checked: verified by a taxonomic editorCosmarium taxillus P.F.M.Coesel & A.Delfos, 1986
» Species Checked: verified by a taxonomic editorCosmarium tenellum Brébisson ex Comère
» Species Checked: verified by a taxonomic editorCosmarium tenue W.Archer, 1868
» Species Unreviewed: has not been verified by a taxonomic editorCosmarium teodorescui Péterfi, 1964
» Species Unreviewed: has not been verified by a taxonomic editorCosmarium tetracentrotum Skuja, 1976
» Species Checked: verified by a taxonomic editorCosmarium tetrachondrum P.Lundell, 1871
» Species Checked: verified by a taxonomic editorCosmarium tetragonum (Nägeli) W.Archer, 1861
» Species Checked: verified by a taxonomic editorCosmarium tetraodon R.L.Grönblad & A.M.Scott, 1958
» Species Checked: verified by a taxonomic editorCosmarium tetraophthalmum Brébisson ex Ralfs, 1848
» Species Checked: verified by a taxonomic editorCosmarium tholiforme Cohn
» Species Checked: verified by a taxonomic editorCosmarium thwaitesii Ralfs, 1848
» Species Checked: verified by a taxonomic editorCosmarium tibeticum Wei, 1984
» Species Checked: verified by a taxonomic editorCosmarium tinctum Ralfs, 1848
» Species Checked: verified by a taxonomic editorCosmarium tithoporoides Willi Krieger
» Species Checked: verified by a taxonomic editorCosmarium tjibenongense Gutwinski
» Species Checked: verified by a taxonomic editorCosmarium trachydermum West & G.S.West, 1895
» Species Checked: verified by a taxonomic editorCosmarium trachypleurum P.Lundell, 1871
» Species Checked: verified by a taxonomic editorCosmarium trafalgaricum Wittrock & Wittrock, 1877
» Species Unreviewed: has not been verified by a taxonomic editorCosmarium transitorium (Heimer) Ducellier, 1918
» Species Checked: verified by a taxonomic editorCosmarium triangulare Borge
» Species Checked: verified by a taxonomic editorCosmarium triglavense Pevalek
» Species Checked: verified by a taxonomic editorCosmarium trilobulatum Reinsch, 1866
» Species Checked: verified by a taxonomic editorCosmarium trinodulum Nordstedt
» Species Checked: verified by a taxonomic editorCosmarium triplicatum Wolle
» Species Checked: verified by a taxonomic editorCosmarium truncatellum (Perty) Rabenhorst, 1868
» Species Checked: verified by a taxonomic editorCosmarium truncatum Brébisson, 1848
» Species Checked: verified by a taxonomic editorCosmarium tuberculatum W.Archer, 1862
» Species Unreviewed: has not been verified by a taxonomic editorCosmarium tuddalense
» Species Checked: verified by a taxonomic editorCosmarium tumens Nordstedt, 1872
» Species Checked: verified by a taxonomic editorCosmarium tumidum P.Lundell, 1871
» Species Checked: verified by a taxonomic editorCosmarium turneri J.Roy, 1890
» Species Checked: verified by a taxonomic editorCosmarium turnerianum Maskell, 1889
» Species Checked: verified by a taxonomic editorCosmarium turpinii Brébisson, 1856
» Species Checked: verified by a taxonomic editorCosmarium tyrolicum (Nordstedt) Willi Krieger & Gerloff, 1962
» Species Checked: verified by a taxonomic editorCosmarium uliginosum Playfair
» Species Checked: verified by a taxonomic editorCosmarium umbilicatum Lütkemüller, 1893
» Species Checked: verified by a taxonomic editorCosmarium undulatum Corda ex Ralfs, 1848
» Species Checked: verified by a taxonomic editorCosmarium ungerianum (Nägeli) De Bary, 1858
» Species Checked: verified by a taxonomic editorCosmarium vanoisii Baier & Martinot
» Species Unreviewed: has not been verified by a taxonomic editorCosmarium variabile Maskell, 1889
» Species Checked: verified by a taxonomic editorCosmarium variolatum P.Lundell, 1871
» Species Checked: verified by a taxonomic editorCosmarium varsoviense Raciborski, 1889
» Species Checked: verified by a taxonomic editorCosmarium venustum (Brébisson) W.Archer, 1861
» Species Unreviewed: has not been verified by a taxonomic editorCosmarium verruculosum (Schmidle) Migula
» Species Checked: verified by a taxonomic editorCosmarium vexatum West, 1892
» Species Unreviewed: has not been verified by a taxonomic editorCosmarium vexatum (Schmidle) Migula
» Species Checked: verified by a taxonomic editorCosmarium vicenistriatum Playfair
» Species Checked: verified by a taxonomic editorCosmarium visbyense Grönblad
» Species Checked: verified by a taxonomic editorCosmarium vogesiacum Lemaire, 1883
» Species Checked: verified by a taxonomic editorCosmarium wembaerense Schmidle, 1898
» Species Unreviewed: has not been verified by a taxonomic editorCosmarium westii Bernard, 1908
» Species Checked: verified by a taxonomic editorCosmarium willeanum Raciborski
» Species Checked: verified by a taxonomic editorCosmarium wittrockii P.Lundell, 1871
» Species Checked: verified by a taxonomic editorCosmarium woloszynskae Coesel & Meesters, 2004
» Species Checked: verified by a taxonomic editorCosmarium woodlawnense Playfair
» Species Checked: verified by a taxonomic editorCosmarium xainzaense Wei, 1984
» Species Checked: verified by a taxonomic editorCosmarium zonatum P.Lundell, 1871
» Species Checked: verified by a taxonomic editorCosmarium angustatum (Wittrock) Nordstedt, 1872 accepted as Checked: verified by a taxonomic editorCosmarium pokornyanum (Grunow) West & G.S.West, 1900
» Species Checked: verified by a taxonomic editorCosmarium anomalum Delponte, 1877 accepted as Checked: verified by a taxonomic editorCosmarium conspersum var. latum (Brébisson) West & G.S.West, 1912
» Species Checked: verified by a taxonomic editorCosmarium ansatum (Ehrenberg) Corda, 1839 accepted as Checked: verified by a taxonomic editorEuastrum ansatum Ehrenberg ex Ralfs, 1848
» Species Checked: verified by a taxonomic editorCosmarium ansatum (Ehrenberg) Rabenhorst, 1868 accepted as Checked: verified by a taxonomic editorCosmarium pseudopyramidatum var. ansatum Krieger & Gerloff, 1965
» Species Checked: verified by a taxonomic editorCosmarium antilopaeum Brébisson, 1840 accepted as Checked: verified by a taxonomic editorXanthidium antilopaeum (Brébisson) Kützing, 1849
» Species Checked: verified by a taxonomic editorCosmarium attenuatum Brébisson ex Ralfs, 1848 accepted as Checked: verified by a taxonomic editorActinotaenium curtum var. attenuatum (Brébisson ex Ralfs) Teiling ex Ruzicka & Pouzar, 1978
» Species Checked: verified by a taxonomic editorCosmarium bacillare Lütkemuller, 1910 accepted as Checked: verified by a taxonomic editorActinotaenium inconspicuum (West & G.S.West) Teiling, 1954
» Species Checked: verified by a taxonomic editorCosmarium bigorrense F.Gay, 1888 accepted as Checked: verified by a taxonomic editorCosmarium tetragonum var. lundellii Cooke, 1887
» Species Checked: verified by a taxonomic editorCosmarium boreale Børgesen accepted as Checked: verified by a taxonomic editorCosmarium bioculatum var. boreale (Børgesen) Krieger & Gerloff
» Species Checked: verified by a taxonomic editorCosmarium capax Joshua, 1886 accepted as Checked: verified by a taxonomic editorActinotaenium capax (Joshua) Teiling, 1954
» Species Checked: verified by a taxonomic editorCosmarium casaresii V.Allorge & P.Allorge, 1930 accepted as Checked: verified by a taxonomic editorCosmarium coarctatum var. casaresii (V.Allorge & P.Allorge) Krieger & Gerloff, 1969
» Species Checked: verified by a taxonomic editorCosmarium celatum (F.Gay) De Toni accepted as Checked: verified by a taxonomic editorCosmarium humile Nordstedt ex De Toni, 1889
» Species Checked: verified by a taxonomic editorCosmarium clevei (P.Lundell) Lütkemüller, 1910 accepted as Checked: verified by a taxonomic editorActinotaenium clevei (P.Lundell) Teiling, 1954
» Species Checked: verified by a taxonomic editorCosmarium colpopelta Brébisson ex W.Archer, 1861 accepted as Checked: verified by a taxonomic editorActinotaenium colpopelta (Brébisson ex W.Archer) Compère, 1976
» Species Checked: verified by a taxonomic editorCosmarium concinnum Reinsch, 1867 accepted as Checked: verified by a taxonomic editorCosmarium angulosum var. concinnum (Rabenhorst) West & G.S.West, 1901
» Species Checked: verified by a taxonomic editorCosmarium confusum Cooke, 1887 accepted as Checked: verified by a taxonomic editorCosmarium margaritiferum var. margaritiferum f. confusum (Cooke) West & G.S.West, 1908
» Species Checked: verified by a taxonomic editorCosmarium cordanum Brébisson ex Rabenhorst, 1868 accepted as Checked: verified by a taxonomic editorActinotaenium cordanum (Brébisson) Ruzicka & Pouzar, 1978
» Species Checked: verified by a taxonomic editorCosmarium corribense West & G.S.West, 1906 accepted as Checked: verified by a taxonomic editorCosmarium asphaerosporum var. corribense (West & G.S.West) Willi Krieger & Gerloff, 1969
» Species Checked: verified by a taxonomic editorCosmarium corruptum W.B.Turner, 1893 accepted as Checked: verified by a taxonomic editorCosmarium lundellii var. corruptum (W.B.Turner) West & G.S.West, 1902
» Species Checked: verified by a taxonomic editorCosmarium crassiusculum (De Bary) Insam & Krieger, 1936 accepted as Checked: verified by a taxonomic editorActinotaenium crassiusculum (De Bary) Teiling, 1954
» Species Checked: verified by a taxonomic editorCosmarium crenatum Ralfs, 1844 accepted as Checked: verified by a taxonomic editorCosmarium crenatum Ralfs ex Ralfs, 1848
» Species Checked: verified by a taxonomic editorCosmarium cruciferum De Bary, 1858 accepted as Checked: verified by a taxonomic editorActinotaenium cruciferum (De Bary) Teiling, 1954
» Species Checked: verified by a taxonomic editorCosmarium cucurbita Brébisson ex Ralfs, 1848 accepted as Checked: verified by a taxonomic editorActinotaenium cucurbita (Brébisson ex Ralfs) Teiling, 1954
» Species Checked: verified by a taxonomic editorCosmarium cucurbitinum (Bisset) Lütkemüller, 1902 accepted as Checked: verified by a taxonomic editorActinotaenium cucurbitinum (Bisset) Teiling, 1954
» Species Checked: verified by a taxonomic editorCosmarium curtum Brébisson ex Ralfs, 1848 accepted as Checked: verified by a taxonomic editorActinotaenium curtum (Brebisson ex Ralfs) Teiling, 1978
» Species Checked: verified by a taxonomic editorCosmarium cyclopeum Playfair accepted as Unreviewed: has not been verified by a taxonomic editorCosmarium rectangulare var. cyclopeum (Playfair) Playfair
» Species Checked: verified by a taxonomic editorCosmarium decachondrum J.Roy & Bisset, 1886 accepted as Checked: verified by a taxonomic editorCosmarium haynaldii Schaarschmidt, 1883
» Species Checked: verified by a taxonomic editorCosmarium deflandreanum Laporte accepted as Unreviewed: has not been verified by a taxonomic editorCosmarium pachydermum var. hexagonum Gutwinski, 1890
» Species Checked: verified by a taxonomic editorCosmarium depressum Bailey, 1851 accepted as Checked: verified by a taxonomic editorCosmarium baileyi Wolle, 1884
» Species Checked: verified by a taxonomic editorCosmarium diplosporum (P.Lundell) Lütkemuller, 1913 accepted as Checked: verified by a taxonomic editorActinotaenium diplosporum (P.Lundell) Teiling, 1954
» Species Checked: verified by a taxonomic editorCosmarium dubovianum Lütkemüller, 1910 accepted as Checked: verified by a taxonomic editorCosmarium hornavanense var. dubovianum (Lütkemüller) Ruzicka, 1949
» Species Checked: verified by a taxonomic editorCosmarium eboracense West, 1889 accepted as Checked: verified by a taxonomic editorCosmarium gayanum var. eboracense (West) West & G.S.West, 1912
» Species Checked: verified by a taxonomic editorCosmarium einarteilingii Willi Krieger ex Gerloff accepted as Checked: verified by a taxonomic editorActinotaenium truncatum (Brébisson ex Ralfs) Teiling ex Ruzicka & Pouzar, 1978
» Species Checked: verified by a taxonomic editorCosmarium elegans J.Roy & Bisset, 1894 accepted as Checked: verified by a taxonomic editorCosmarium tetragonum var. elegans (Roy & Bisset) West & G.S.West, 1908
» Species Checked: verified by a taxonomic editorCosmarium elfvingii Raciborski, 1885 accepted as Checked: verified by a taxonomic editorCosmarium rectangulare var. hexagonum (Elfving) West & G.S.West, 1908
» Species Checked: verified by a taxonomic editorCosmarium ellipsoideum Elfving accepted as Checked: verified by a taxonomic editorCosmarium contractum var. ellipsoideum (Elfving) West & G.S.West, 1902
» Species Checked: verified by a taxonomic editorCosmarium elongatum Raciborski accepted as Checked: verified by a taxonomic editorActinotaenium elongatum (Raciborski) Teiling, 1954
» Species Checked: verified by a taxonomic editorCosmarium euastroides Delponte accepted as Checked: verified by a taxonomic editorCosmarium angulosum var. euastroides (Delponte) Krieger & Gerloff
» Species Checked: verified by a taxonomic editorCosmarium gemmatum Brébisson, 1840 accepted as Checked: verified by a taxonomic editorEuastrum gemmatum (Brébisson) Ralfs, 1844
» Species Checked: verified by a taxonomic editorCosmarium gemmiferum Brebisson, 1856 accepted as Checked: verified by a taxonomic editorCosmarium botrytis var. gemmiferum (Brébisson) Nordstedt, 1888
» Species Checked: verified by a taxonomic editorCosmarium genuosum Nordstedt, 1887 accepted as Checked: verified by a taxonomic editorCosmarium subquadratum var. genuosum (Nordstedt) Krieger & Gerloff, 1969
» Species Checked: verified by a taxonomic editorCosmarium globosum Bulnheim, 1861 accepted as Checked: verified by a taxonomic editorActinotaenium globosum (Bulnheim) K.Förster ex Compère, 1976
» Species Checked: verified by a taxonomic editorCosmarium granulusculum Roy & Bissett, 1894 accepted as Checked: verified by a taxonomic editorCosmarium punctulatum var. granulusculum (Roy & Bissett) West & West, 1908
» Species Checked: verified by a taxonomic editorCosmarium gregorii Roy & Bisset, 1890 accepted as Checked: verified by a taxonomic editorCosmarium subprotumidum var. gregorii (Roy & Bisset) West & G.S.West, 1900
» Species Checked: verified by a taxonomic editorCosmarium hexagonum Elfving accepted as Checked: verified by a taxonomic editorCosmarium rectangulare var. hexagonum (Elfving) West & G.S.West, 1908
» Species Checked: verified by a taxonomic editorCosmarium hexagonum Elfving, 1881 accepted as Checked: verified by a taxonomic editorCosmarium rectangulare var. hexagonum (Elfving) West & G.S.West, 1908
» Species Checked: verified by a taxonomic editorCosmarium hexastichum P.Lundell, 1871 accepted as Checked: verified by a taxonomic editorCosmarium quadrifarium f. hexastichum (P.Lundell) Nordstedt, 1889
» Species Checked: verified by a taxonomic editorCosmarium hibernicum West, 1892 accepted as Checked: verified by a taxonomic editorActinotaenium hibernicum (West) Ružicka, 1978
» Species Checked: verified by a taxonomic editorCosmarium inaequalipellicum West & G.S.West, 1895 accepted as Checked: verified by a taxonomic editorCosmarium pseudoretusum var. inaequalipellicum (West & G.S.West) Willi Krieger & Gerloff, 1962
» Species Checked: verified by a taxonomic editorCosmarium incrassatum Playfair accepted as Checked: verified by a taxonomic editorCosmarium contractum var. incrassatum A.M.Scott & Prescott, 1958
» Species Checked: verified by a taxonomic editorCosmarium incurvum Skuja, 1956 accepted as Checked: verified by a taxonomic editorCosmarium skujae Willi Krieger & Gerloff, 1965
» Species Checked: verified by a taxonomic editorCosmarium insigne Schmidle, 1893 accepted as Checked: verified by a taxonomic editorCosmarium pseudoinsigne Prescott, 1981
» Species Checked: verified by a taxonomic editorCosmarium intermedium (F.Gay) De Toni accepted as Checked: verified by a taxonomic editorEuastrum transiens F.Gay, 1884
» Species Checked: verified by a taxonomic editorCosmarium klebsii Gutwinski, 1892 accepted as Checked: verified by a taxonomic editorCosmarium nitidulum De Notaris, 1867
» Species Checked: verified by a taxonomic editorCosmarium latum Brébisson, 1856 accepted as Checked: verified by a taxonomic editorCosmarium conspersum var. latum (Brébisson) West & G.S.West, 1912
» Species Checked: verified by a taxonomic editorCosmarium luetkemuelleri Grönblad accepted as Checked: verified by a taxonomic editorActinotaenium minutissimum (Nordstedt) Teiling, 1954
» Species Checked: verified by a taxonomic editorCosmarium maculatum Turner accepted as Checked: verified by a taxonomic editorCosmarium javanicum Nordstedt, 1880
» Species Checked: verified by a taxonomic editorCosmarium mamillomarginatum Grönblad, 1942 accepted as Checked: verified by a taxonomic editorCosmarium alpigenum Messikommer, 1942
» Species Checked: verified by a taxonomic editorCosmarium minutissimum Heimerl, 1891 accepted as Checked: verified by a taxonomic editorCosmarium heimerlii West, 1895
» Species Checked: verified by a taxonomic editorCosmarium minutum Delponte, 1877 accepted as Checked: verified by a taxonomic editorCosmarium contractum var. minutum (Delponte) Coesel, 1989
» Species Checked: verified by a taxonomic editorCosmarium nordstedtianum Reinsch, 1875 accepted as Checked: verified by a taxonomic editorCosmarium cyclicum var. nordstedtianum (Reinsch) West & G.S.West, 1905
» Species Checked: verified by a taxonomic editorCosmarium obcuneatum West, 1892 accepted as Checked: verified by a taxonomic editorActinotaenium obcuneatum (West) Teiling, 1954
» Species Checked: verified by a taxonomic editorCosmarium palangula Brébisson ex Ralfs, 1848 accepted as Checked: verified by a taxonomic editorActinotaenium palangula (Brébisson ex Ralfs) Teiling, 1954
» Species Checked: verified by a taxonomic editorCosmarium perminutum G.S.West, 1914 accepted as Checked: verified by a taxonomic editorActinotaenium perminutum (G.S.West) Teiling, 1954
» Species Checked: verified by a taxonomic editorCosmarium polonicum Raciborski, 1884 accepted as Checked: verified by a taxonomic editorCosmarium vogesiacum var. alpinum f. polonicum (Raciborski) Laporte, 1931
» Species Checked: verified by a taxonomic editorCosmarium polymazum Nordstedt, 1873 accepted as Checked: verified by a taxonomic editorCosmarium monomazum var. polymazum Nordstedt, 1873
» Species Checked: verified by a taxonomic editorCosmarium portuense J.Sampaio, 1922 accepted as Checked: verified by a taxonomic editorCosmarium laeve Rabenhorst, 1868
» Species Checked: verified by a taxonomic editorCosmarium pseudohibernicum Lutkemuller, 1910 accepted as Checked: verified by a taxonomic editorActinotaenium diplosporum (P.Lundell) Teiling, 1954
» Species Checked: verified by a taxonomic editorCosmarium pusillum (Brébisson) W.Archer, 1861 accepted as Checked: verified by a taxonomic editorHeimansia pusilla (L.Hilse) Coesel, 1993
» Species Checked: verified by a taxonomic editorCosmarium pygmaeum W.Archer, 1864 accepted as Checked: verified by a taxonomic editorSphaerozosma pygmaeum (W.Archer) Rabenhorst, 1968
» Species Checked: verified by a taxonomic editorCosmarium quadrangulatum Hantzsch, 1860 accepted as Checked: verified by a taxonomic editorCosmarium biretum Brébisson ex Ralfs, 1848
» Species Checked: verified by a taxonomic editorCosmarium quadrigemme Playfair accepted as Unreviewed: has not been verified by a taxonomic editorCosmarium submammilliferum var. quadrigemme (Playfair) Playfair
» Species Checked: verified by a taxonomic editorCosmarium regelianum (Nägeli) Brébisson, 1856 accepted as Checked: verified by a taxonomic editorActinotaenium curtum (Brebisson ex Ralfs) Teiling, 1978
» Species Checked: verified by a taxonomic editorCosmarium rostafinskii Gutwinski, 1890 accepted as Checked: verified by a taxonomic editorCosmarium speciosum var. rostafinskii (Gutwinski) West & G.S.West, 1908
» Species Checked: verified by a taxonomic editorCosmarium rufescens (Cleve) Lütkemüller, 1960 accepted as Checked: verified by a taxonomic editorActinotaenium rufescens (Cleve) Teiling, 1954
» Species Checked: verified by a taxonomic editorCosmarium scenedesmus Delponte, 1877 † accepted as Checked: verified by a taxonomic editorCosmarium depressum (Nägeli) P.Lundell, 1871
» Species Checked: verified by a taxonomic editorCosmarium schliephackeanum Grunow accepted as Checked: verified by a taxonomic editorCosmarium pygmaeum W.Archer, 1864
» Species Checked: verified by a taxonomic editorCosmarium schliephackianum Grunow accepted as Checked: verified by a taxonomic editorCosmarium pygmaeum W.Archer, 1864
» Species Checked: verified by a taxonomic editorCosmarium septentrionale Croasdale, 1973 accepted as Checked: verified by a taxonomic editorCosmarium subprotumidum var. septentrionale (Croasdale) Coesel, 1989
» Species Checked: verified by a taxonomic editorCosmarium sinuosum P.Lundell, 1871 accepted as Checked: verified by a taxonomic editorCosmarium decedens var. sinuosum (P.Lundell) Raciborski, 1889
» Species Checked: verified by a taxonomic editorCosmarium spectabile De Notaris, 1867 accepted as Checked: verified by a taxonomic editorCosmarium caelatum var. spectabile (De Notaris) Nordstedt, 1876
» Species Checked: verified by a taxonomic editorCosmarium stagnale J.Sampaio, 1922 accepted as Checked: verified by a taxonomic editorCosmarium granatum var. delpontei Gutwinski, 1891
» Species Checked: verified by a taxonomic editorCosmarium striatum Boldt, 1885 accepted as Checked: verified by a taxonomic editorCosmarium humile var. striatum (Boldt) Schmidle, 1895
» Species Checked: verified by a taxonomic editorCosmarium subcoliferum Grondlad, 1920 accepted as Checked: verified by a taxonomic editorCosmarium refringens var. subcoliferum (Grondblad) Willi Krieger & Gerloff, 1962
» Species Checked: verified by a taxonomic editorCosmarium subglobosum Nordstedt, 1878 accepted as Checked: verified by a taxonomic editorActinotaenium subglobosum (Nordstedt) Teiling, 1954
» Species Checked: verified by a taxonomic editorCosmarium sublatum Nordstedt, 1888 accepted as Checked: verified by a taxonomic editorCosmarium quadrum var. sublatum (Nordstedt) West & G.S.West, 1912
» Species Checked: verified by a taxonomic editorCosmarium sublobatum (Ralfs) W.Archer, 1861 accepted as Checked: verified by a taxonomic editorEuastrum sublobatum Brébisson ex Ralfs, 1848
» Species Checked: verified by a taxonomic editorCosmarium subnasutum Raciborski, 1885 accepted as Checked: verified by a taxonomic editorCosmarium nasutum var. subnasutum (Raciborski) Nordstedt, 1888
» Species Checked: verified by a taxonomic editorCosmarium subnotabile Wille, 1879 accepted as Checked: verified by a taxonomic editorCosmarium notabile var. subnotabile (Wille) Coesel, 2007
» Species Checked: verified by a taxonomic editorCosmarium suborthogonum Raciborski accepted as Checked: verified by a taxonomic editorCosmarium impressulum var. impressulum f. suborthogonum (Raciborski) West & G.S.West, 1908
» Species Checked: verified by a taxonomic editorCosmarium subpunctulatum Nordstedt, 1887 accepted as Checked: verified by a taxonomic editorCosmarium punctulatum var. subpunctulatum (Nordstedt) Børgesen, 1894
» Species Checked: verified by a taxonomic editorCosmarium substriatum Nordstedt, 1889 accepted as Checked: verified by a taxonomic editorCosmarium humile var. substriatum (Nordstedt) Schmidle, 1895
» Species Checked: verified by a taxonomic editorCosmarium subtile (West) Lütkemuller accepted as Checked: verified by a taxonomic editorActinotaenium subtile (West & G.S.West) Teiling, 1954
» Species Checked: verified by a taxonomic editorCosmarium succisum West, 1892 accepted as Checked: verified by a taxonomic editorCosmarium tinctum var. succisum (West & G.S.West) West & G.S.West, 1902
» Species Checked: verified by a taxonomic editorCosmarium sulcatum Nordstedt, 1878 accepted as Checked: verified by a taxonomic editorCosmarium pseudoprotuberans var. sulcatum (Nordstedt) Coesel, 1991
» Species Checked: verified by a taxonomic editorCosmarium tessellatum (Delponte) Nordstedt accepted as Checked: verified by a taxonomic editorCosmarium striolatum (Nägeli) W.Archer, 1861
» Species Checked: verified by a taxonomic editorCosmarium tortum Lagerheim & Nordstedt ex Wittrock accepted as Unreviewed: has not been verified by a taxonomic editorStaurastrum tortum (Lagerheim & Nordstedt) West & G.S.West
» Species Checked: verified by a taxonomic editorCosmarium trachypolum West & G.S.West accepted as Checked: verified by a taxonomic editorActinotaenium trachypolum (West & G.S.West) Teiling, 1954
» Species Checked: verified by a taxonomic editorCosmarium truncatum Corda, 1839 accepted as Checked: verified by a taxonomic editorMicrasterias truncata (Corda) Brébisson ex Ralfs, 1848
» Species Checked: verified by a taxonomic editorCosmarium turgidum Brébisson ex Ralfs, 1848 accepted as Checked: verified by a taxonomic editorActinotaenium turgidum (Brébisson ex Ralfs) Teiling, 1954
» Species Checked: verified by a taxonomic editorCosmarium viride Corda ex Joshua, 1885 accepted as Checked: verified by a taxonomic editorActinotaenium colpopelta (Brébisson ex W.Archer) Compère, 1976
» Species Checked: verified by a taxonomic editorCosmarium viridis (Corda) Joshua, 1885 accepted as Checked: verified by a taxonomic editorActinotaenium cordanum (Brébisson) Ruzicka & Pouzar, 1978
» Species Checked: verified by a taxonomic editorCosmarium wollei (West & G.S.West) Grönblad accepted as Checked: verified by a taxonomic editorActinotaenium wollei (West & G.S.West) Teiling, 1954
Genus Checked: verified by a taxonomic editorCosmocladium Brébisson, 1856
Genus Checked: verified by a taxonomic editorCroasdalea C.E.M.Bicudo & C.T.J.Mercante
Genus Checked: verified by a taxonomic editorCruciangulum D.B.Williamson
Genus Checked: verified by a taxonomic editorCylindriastrum (W.B.Turner) G.M.Palamar-Mordvintseva
Genus Checked: verified by a taxonomic editorDesmidium C.Agardh ex Ralfs, 1848
Genus Checked: verified by a taxonomic editorDocidium Brébisson ex Ralfs, 1848
Genus Checked: verified by a taxonomic editorEuastridium West & G.S.West, 1908
Genus Checked: verified by a taxonomic editorEuastrum Ehrenberg ex Ralfs, 1848
Genus Checked: verified by a taxonomic editorGroenbladia Teiling, 1952
Genus Checked: verified by a taxonomic editorHaplotaenium T.Bando, 1988
Genus Checked: verified by a taxonomic editorHeimansia Coesel, 1993
Genus Checked: verified by a taxonomic editorHyalotheca Ehrenberg ex Ralfs, 1848
Genus Checked: verified by a taxonomic editorIchthyocercus West & G.S.West, 1897
Genus Checked: verified by a taxonomic editorIchthyodontum A.M.Scott & G.W.Prescott, 1956
Genus Checked: verified by a taxonomic editorMateola R.Salisbury, 1936
Genus Checked: verified by a taxonomic editorMicrasterias C.Agardh ex Ralfs, 1848
Genus Checked: verified by a taxonomic editorOctacanthium (Hansgirg) P.Compère, 1996
Genus Checked: verified by a taxonomic editorOnychonema G.C.Wallich, 1860
Genus Checked: verified by a taxonomic editorOocardium Nägeli, 1849
Genus Checked: verified by a taxonomic editorPhycastrum Kützing ex Kützing, 1849
Genus Checked: verified by a taxonomic editorPhymatodocis Nordstedt, 1877
Genus Checked: verified by a taxonomic editorPleurotaenium Nägeli, 1849
Genus Checked: verified by a taxonomic editorPrescottiella C.E.M.Bicudo, 1940
Genus Unreviewed: has not been verified by a taxonomic editorSchistochilium J.Ralfs
Genus Checked: verified by a taxonomic editorSphaerozosma Corda ex Ralfs, 1848
Genus Checked: verified by a taxonomic editorSpinocosmarium G.W.Prescott & A.M.Scott, 1942
Genus Checked: verified by a taxonomic editorSpondylosium Brébisson ex Kützing, 1849
Genus Checked: verified by a taxonomic editorStaurastrum Meyen ex Ralfs, 1848
Genus Checked: verified by a taxonomic editorStaurodesmus Teiling, 1948
Genus Checked: verified by a taxonomic editorStreptonema Wallich, 1860
Genus Checked: verified by a taxonomic editorTeilingia Bourrelly, 1964
Genus Checked: verified by a taxonomic editorTetmemorus Ralfs ex Ralfs, 1848
Genus Checked: verified by a taxonomic editorTriplastrum Iyengar & Ramanathan, 1942
Genus Checked: verified by a taxonomic editorTriploceras J.W.Bailey, 1851
Genus Checked: verified by a taxonomic editorVincularia K.Fuciková & J.Kastovsky, 2009
Genus Checked: verified by a taxonomic editorXanthidium Ehrenberg ex Ralfs, 1848

Genus Checked: verified by a taxonomic editorXanthidiastrum Delponte (nomen dubium)

Genus Checked: verified by a taxonomic editorAptogonum Ehrenberg ex Ralfs, 1848 accepted as Checked: verified by a taxonomic editorDesmidium C.Agardh ex Ralfs, 1848
Genus Checked: verified by a taxonomic editorArthrodesmus Ehrenberg ex Ralfs, 1848 accepted as Checked: verified by a taxonomic editorStaurodesmus Teiling, 1948
Genus Checked: verified by a taxonomic editorCosmoastrum G.M.Palamar-Mordvintseva, 1976 accepted as Checked: verified by a taxonomic editorStaurastrum Meyen ex Ralfs, 1848
Genus Checked: verified by a taxonomic editorDidymocladon J.Ralfs, 1848 accepted as Checked: verified by a taxonomic editorStaurastrum Meyen ex Ralfs, 1848
Genus Checked: verified by a taxonomic editorEchinella Acharius in F. Weber & D. Mohr, 1810 (unaccepted)
Genus Checked: verified by a taxonomic editorHolacanthum (P.M.Lundell) N.Wille, 1890 (unaccepted)
Genus Checked: verified by a taxonomic editorHolocystis Hassall ex Wallich, 1876 (unaccepted)
Genus Checked: verified by a taxonomic editorPentasterias Ehrenberg, 1836 accepted as Checked: verified by a taxonomic editorStaurastrum Meyen ex Ralfs, 1848
Genus Checked: verified by a taxonomic editorPleurotaeniopsis (P.M.Lundell) G.Lagerheim, 1887 (unaccepted)
Genus Checked: verified by a taxonomic editorTetrachastrum R.V.Dixon, 1859 (unaccepted)
Links Unreviewed: has not been verified by a taxonomic editorTo GenBank  
Unreviewed: has not been verified by a taxonomic editorTo ITIS
LSID urn:lsid:marinespecies.org:taxname:162724
Taxonomic
Edit history
 
Date   action   by
2005-07-04 10:12:20Z  created  Braeckman, Ulrike
2011-07-18 07:02:06Z  changed  Guiry, Michael D.
  
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  Citation: Guiry, Michael D. (2014). Desmidiaceae Ralfs, 1848. In: Guiry, M.D. & Guiry, G.M. (2014). AlgaeBase. World-wide electronic publication, National University of Ireland, Galway (taxonomic information republished from AlgaeBase with permission of M.D. Guiry). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=162724 on 2014-12-29
  Creative Commons License The webpage text is licensed under a Creative Commons Attribution 4.0 License