Silva Center for Phycological Documentation: Index Nominum Algarum


The INA is a card file and online reporting system maintained at the Silva Center for Phycological Documentation of the University Herbarium, University of California, Berkeley. It contains nearly 200,000 names of algae (in the broad sense). The BPU is a card file containing bibliographic references pertaining to algal taxonomy.
A working list of algal type specimens at UC is available here

Results from INA database

NameAuthorSourceCitationYear
COSMARIUM(Corda) Gay image
COSMARIUM(Corda) Reinsch image
COSMARIUMCorda Alman. Carlsbad 9: 242 1839
COSMARIUMCorda ex Ralfs image
COSMARIUMCorda Alman. Carlsbad 5: 178, etc. 1835
COSMARIUMDe Bary image
COSMARIUMNaegeli image
COSMARIUM image
COSMARIUM image
COSMARIUM image
COSMARIUM image
COSMARIUM image
COSMARIUM image
COSMARIUM image
COSMARIUM image
COSMARIUM image
COSMARIUM image
COSMARIUM image
Cosmarium abbreviatiformeM.C. Van Westen & P.F.M. Coesel Phytotaxa 385: 3, figs. 5, 15-20 2018
Cosmarium abbreviatum f. depressumKosinskaja image
Cosmarium abbreviatum f. germanicum_('germanica')Raciborski image
Cosmarium abbreviatum f. minus_('minor')West & West image
Cosmarium abbreviatum f. punctatumPrescott image
Cosmarium abbreviatum f. pygmaeum_('pygmaea')Messikommer image
Cosmarium abbreviatumRaciborski image
Cosmarium abbreviatum var. dorsipunctatum(Taylor) Krieger & Gerloff image
Cosmarium abbreviatum var. germanicum(Raciborski) Krieger & Gerloff image
Cosmarium abbreviatum var. latereprotractum_('latereprotactum')(Playfair) Krieger & Gerloff image
Cosmarium abbreviatum var. minus(W. West & G.S. West) Krieger & Gerloff image
Cosmarium abbreviatum var. planctonicumW. West & G.S. West image
Cosmarium abnorme var. triquetrumNordstedt Öfvers. K. [Svenska] Vet.-Akad. Förh. 29{6}: 32, pl. VI: fig. 15 1872
Cosmarium abruptum f. attenuatum_('attenuata')Petkoff image
Cosmarium abruptum f. simplexJ. Schaarschmidt image
Cosmarium abruptumLundell image
Cosmarium abruptum var. gostynienseRaciborski image
Cosmarium abruptum var. granulatumWest & West image
Cosmarium abruptum var. simplexInsam & Krieger image
Cosmarium abruptum var. suecicumRaciborski image
Cosmarium abruptum var. supergranulatumSchmidle image
Cosmarium abscissum f. minusKaiser image
Cosmarium abscissumGrönblad image
Cosmarium abscissumGrönblad Acta Soc. Fauna et Flora Fenn. 49{7}: 29, pl. VI: figs. 18, 19 1921
Cosmarium abscissum var. subetchachanenseGrönblad Acta Soc. Fauna et Flora Fenn. 49{7}: 30, pl. VI: figs. 20, 21, 30 1921
Cosmarium abscissum var. subetchachanenseGrönblad image
Cosmarium achondroidesG.S. West image
Cosmarium achondroides var. minusG.W. Prescott in Prescott et al. Syn. N. Amer. Desmids 2{3}: 62, pl. CLXXXI: figs. 8, 9 1981
Cosmarium actinophorumBrühl & Biswas image
Cosmarium aculeatum(Brebisson) Brebisson image
Cosmarium aculeatum(Ehrenberg) Corda image
Cosmarium aculeatumFörster & Eckert image
Cosmarium aculeatumKurt Förster & Eckert in Förster, Hydrobiologia 23: 386, pl. 22: fig. 25; pl. 45: fig. 14 1964
Cosmarium aculeatum var. africanumCouté & Rousselin image
Cosmarium aculeatum var. spinotruncatumCouté & Tell image
Cosmarium aculeatumWolle image
Cosmarium aculeatum_(`aculatum')Corda Alman. Carlsbad 9: 243 1839
Cosmarium acutangulumInsam & Krieger image
Cosmarium acutigonumD.B. Williamson Arch. Hydrobiol. Suppl. 128 (Algol. Stud. 93): 58, pl. 2: figs. 8, 9 1999
Cosmarium adelochondrum(Elfving) Lütkemüller image
Cosmarium adelochondrum var. kriegeriE. Messikommer Beitr. Geobot. Landesaufnahme Schweiz 24: 143, pl. IV: fig. 20 1942
Cosmarium adelochondrum var. kriegeriMessikommer image
Cosmarium adelochondrum var. minusKrieger & Gerloff image
Cosmarium adoxum f. minus_('minor')Huber-Pestalozzi image
Cosmarium adoxum var. denticulatumG.S. West image
Cosmarium adoxumWest & West image
Cosmarium adpressumNoda & Skvortzov image
Cosmarium advolatumNoda & Skvortzov image
Cosmarium advolatum var. concavumNoda & Skvortzov image
Cosmarium advolatum var. hinganicumNoda & Skvortzov image
Cosmarium aequale var. granulatumBernard image
Cosmarium aequaleW.B. Turner image
Cosmarium aequatumWest & West image
Cosmarium aequinoctialeW. West & G.S. West image
Cosmarium aethiopicumW. West & G.S. West image
Cosmarium affineRaciborski image
Cosmarium affine var. africanumW. West & G.S. West image
Cosmarium affine var. excavatumG.S. West image
Cosmarium affine var. maius(Schmidle) Krieger & Gerloff image
Cosmarium affine_('affinis')Noda & Skvortzov image
Cosmarium africanumW. & G.S. West image
Cosmarium aitchisoniiJ. Schaarschmidt image
Cosmarium aitchisonii var. punctatumW.B. Turner image
Cosmarium alaskanumCroasdale image
Cosmarium alatumCorda image
Cosmarium alatumCorda Alman. Carlsbad 9: 243, pl. VI: fig. 31 1839
Cosmarium alatumKirchner Alg. Schles.: 153 1878
Cosmarium alatum var. aequatorienseNordstedt image
Cosmarium alatum var. gostynienseRaciborski image
Cosmarium alatum var. indicumW.B. Turner image
Cosmarium alatum var. silesiacumRaciborski image
Cosmarium alatum var. suboblongumW. & G.S. West image
Cosmarium alexenkovii_('alexenkovi')Reinhard image
Cosmarium allorgeiP. Bourrelly & A. Couté Biblioth. Phycol. 86: 61, 188, pl. XXXVII: fig. 4 1991
Cosmarium allumNoda & Skvortzov image
Cosmarium alpestre f. depressum_('depressa')V. Allorge & P. Allorge image
Cosmarium alpestreRoy & Bisset image
Cosmarium alpestre var. depressum(V. Allorge & P. Allorge) Krieger & Gerloff image
Cosmarium alpestre var. ellipticum(Delponte) Ducellier image
Cosmarium alpestre var. minus_('minor')Ducellier image
Cosmarium alpestre var. minus_('minor')Irenee-Marie image
Cosmarium alpicola_('alpicolum')Messikommer image
Cosmarium alpigenumMessikommer image
Cosmarium alpinum(Raciborski) De Toni Syll. Alg.: 1: 942 1889
Cosmarium alpinumRaciborski image
Cosmarium alpinum var. garrolense(Roy & Bisset) Schmidle image
Cosmarium alpinum var. helveticumSchmidle image
Cosmarium alpinum var. quadrinodosum 'Borge' image
Cosmarium ambadienseGrönblad & Scott image
Cosmarium americanumLagerheim image
Cosmarium amesiiCushman image
Cosmarium amoenumBrebisson ex Ralfs image
Cosmarium amoenum f. crassius_('crassior')Nordstedt image
Cosmarium amoenum f. majus_('major')Arnoldi & Aleksenko image
Cosmarium amoenum var. alternansHirano image
Cosmarium amoenum var. annulatumEichler & Gutwinski image
Cosmarium amoenum var. compactumWest & West image
Cosmarium amoenum var. constrictumScott & Grönblad image
Cosmarium amoenum var. intumescensNordstedt image
Cosmarium amoenum var. intumescensNordstedt image
Cosmarium amoenum var. jiboense_('jiboensis')G.J.P. Ramos, C.E.M. Bicudo & C.W.N. Moura Phytotaxa 346: 61, figs. 3-8 2018
Cosmarium amoenum var. lundelliiRoy image
Cosmarium amoenum var. maiusKamat image
Cosmarium amoenum var. mediolaeveNordstedt image
Cosmarium amoenum var. mediolaeveNordstedt image
Cosmarium amoenum var. subintegrumBeck-Mannagetta image
Cosmarium amoenum var. tumidumWolle image
Cosmarium amoenum var. willei(W.B. Turner) Jao image
Cosmarium amoeviformeHirano image
Cosmarium amoeviforme var. angustatumHirano image
Cosmarium amphichondrumSkuja image
Cosmarium amplum f. trigonum_('trigona')Nordstedt image
Cosmarium amplumNordstedt image
Cosmarium amplumNordstedt image
Cosmarium amstelodamenseA. Van Geest & P. Coesel Phytotaxa 387: 125, figs. 4, 10, 22 2019
Cosmarium amurenseSkvortzov image
Cosmarium ananenseHinode image
Cosmarium anax f. capense_('capensis')Huber-Pestalozzi image
Cosmarium anax var. capense(Huber-Pestalozzi) Krieger & Gerloff image
Cosmarium anaxW. West & G.S. West image
Cosmarium ancepsDelponte image
Cosmarium anceps f. arcticumCroasdale image
Cosmarium anceps f. minusKosinskaya image
Cosmarium anceps f. subparvulum_('subparvula')E. Larsen Meddel. Gronl. 33: 326, pl. VII: fig. 6 1907
Cosmarium anceps f. variansBongale image
Cosmarium ancepsLundell image
Cosmarium ancepsNoda & Skvortzov image
Cosmarium anceps var. borgei(Krieger) Croasdale image
Cosmarium anceps var. borgei(Krieger) Ruzicka image
Cosmarium anceps var. inflatumG.W. Prescott in Prescott et al. Syn. N. Amer. Desmids 2{3}: 67, pl. CCIV: figs. 1, 2 1981
Cosmarium anceps var. minimumGutwinski image
Cosmarium anceps var. tatricoidesW. West image
Cosmarium anceps var. undulatumKrieger & Gerloff image
Cosmarium andinumA. Couté & A. Iltis Cryptog.: Algol. 9: 15, pl. 1: figs. 1-6; pl. 5: figs. 4, 5 1988
Cosmarium andinumA. Couté & A. Iltis image
Cosmarium angolenseW. West & G.S. West image
Cosmarium angulareL.N. Johnson image
Cosmarium angulareL.N. Johnson image
Cosmarium angulare var. bicostatumGrönblad image
Cosmarium angulare var. canadenseIrénée-Marie Fl. desmid. Montreal: 179, pl. 23: fig. 5; pl. 24: fig. 4 1938
Cosmarium angulare var. canadenseIrenee-Marie image
Cosmarium angulare var. octangulareWade image
Cosmarium angulatum(Perty) Rabenhorst image
Cosmarium angulatum f. majus(Grunow) W.B. Turner Alg. Ind. orient.: 56 1893
Cosmarium angulatum var. conicumPlayfair image
Cosmarium angulosumBrebisson image
Cosmarium angulosum f. rectangulareC.E. Bicudo in Prescott et al. Syn. N. Amer. Desmids 2{3}: 71, pl. CCXII: fig. 9 1981
Cosmarium angulosum f. rotundatumIrenee-Marie image
Cosmarium angulosum var. concinnumW. West & G.S. West image
Cosmarium angulosum var. euastroides(Delponte) Krieger & Gerloff image
Cosmarium angulosum var. octagonum_('octogonum')(W.B. Turner) Krieger & Gerloff image
Cosmarium angulosum var. octagonum_(`octogonum')(W.B. Turner) W. Krieger & J. Gerloff Gatt. Cosmarium: 193 1965
Cosmarium angulosum var. rotundatum_('rotundata')Irenee-Marie image
Cosmarium angulosum var. scrobiculatumGrönblad image
Cosmarium angulosum var. tumescensGrönblad image
Cosmarium angustatum(Wittrock) Nordstedt Öfvers. K. [Svenska] Vet.-Akad. Förh. 32{6}: 20 1875
Cosmarium angustatum f. obtusatum_('obtusata')Gutwinski image
Cosmarium angustatumSkuja image
Cosmarium angustatum var. trigonumNordstedt image
Cosmarium anisochondrumNordstedt image
Cosmarium anisochondrum var. confusumPlayfair image
Cosmarium anisochondrum var. geminatumMessikommer image
Cosmarium anisochondrum var. geminatumMessikommer image
Cosmarium anisochondrum var. isthmolatumTherezien image
Cosmarium anisochondrum var. laeveHansgirg image
Cosmarium anisochondrum var. tetrachondrumScott & Grönblad image
Cosmarium annulatum(Nägeli) De Bary ex G.W. Prescott, H. Croasdale, W.C. Vinyard, & C.E. Bicudo Syn. N. Amer. Desmids 2{3}: 72 1981
Cosmarium annulatumDelponte image
Cosmarium annulatum f. curtumGrönblad image
Cosmarium annulatum var. bicrenulatumWille image
Cosmarium annulatum var. elegansNordstedt image
Cosmarium annulatum var. latiusGrönblad image
Cosmarium anomalumDelponte image
Cosmarium anomalumFörster & Eckert image
Cosmarium anomalum f. symmetricumFörster & Eckert image
Cosmarium ansatum(Ehrenberg) Corda Alman. Carlsbad 9: 243 1839
Cosmarium ansatumCorda image
Cosmarium antarcticumGain image
Cosmarium anthophorumCouté & Rousselin image
Cosmarium antilopaeumBrebisson image
Cosmarium antioquienseG.S. West image
Cosmarium antiquorumNoda & Skvortzov image
Cosmarium antiquorum var. latumNoda & Skvortzov image
Cosmarium apertiusculumSkuja image
Cosmarium apertumW.B. Turner image
Cosmarium aphanichondrumNordstedt image
Cosmarium aphanichondrum var. calcareumHansgirg image
Cosmarium aphanichondrum var. pusillumHansgirg image
Cosmarium apiatumScott & Prescott image
Cosmarium araucaniense_('araucaniensis')Thomasson image
Cosmarium arcanumHinode image
Cosmarium archeri f. minus_('minor')Gutwinski image
Cosmarium archeri f. minus_('minor')Gutwinski image
Cosmarium archeri_('archerii')Roy image
Cosmarium arctoum f. minus_('minor')W. West image
Cosmarium arctoum f. mixtum_('mixta')Nordstedt image
Cosmarium arctoumNordstedt image
Cosmarium arctoum var. constrictumGrönblad & Scott image
Cosmarium arctoum var. hinganicumNoda & Skvortzov image
Cosmarium arctoum var. rectangulareTherezien & Couté image
Cosmarium arctoum var. reniformeFörster image
Cosmarium arctoum var. tatricumRaciborski image
Cosmarium arctoum var. trigonumNordstedt image
Cosmarium arcuatiporosumM.C. Van Westen & P.F.M. Coesel Phytotaxa 443: 112, figs. 3, 16-19, 27 2020
Cosmarium arcuatumKrieger & Gerloff image
Cosmarium arduennense_('arduennensis')H. Kufferath image
Cosmarium areguenseBorge image
Cosmarium aristonSkuja image
Cosmarium armatumBrebisson image
Cosmarium armatum var. verrucosumHirano image
Cosmarium armatumW. Joshua image
Cosmarium armillatumW.B. Turner image
Cosmarium arnelliiBoldt image
Cosmarium arnellii f. compressum_('compressa')W. West image
Cosmarium arnellii var. irregulareEichler & Gutwinski image
Cosmarium arnellii var. notatumGrönblad Soc. Sci. Fenn., Comment. Biol. 15{12}: 26, figs. 77, 78 1956
Cosmarium arnellii var. notatumR. Grönblad image
Cosmarium arnellii var. rotundatumGutwinski image
Cosmarium arrenseF.A.C. Kouwets Arch. Protistenk. 148: 41, figs. 38-46 1997
Cosmarium arrosumNordstedt image
Cosmarium arthrodesmiformeBorge image
Cosmarium arthrodesmiforme f. latius_('latior') 'Borge' image
Cosmarium arthrodesmiforme var. latiusKrieger & Gerloff image
Cosmarium askenasyi f. javanicum_('javanica')Gutwinski image
Cosmarium askenasyi f. latumScott & Prescott image
Cosmarium askenasyi f. majus_(`major')P. Bourrelly & A. Couté Biblioth. Phycol. 86: 61, 188, pl. XXXVII: fig. 1 1991
Cosmarium askenasyi f. minusW.C. Vinyard in Prescott et al. Syn. N. Amer. Desmids 2{3}: 75, pl. CCXXXIII: figs. 8, 9 1981
Cosmarium askenasyi f. trigonum_('trigona')Krieger image
Cosmarium askenasyi f. undulatumJ.A. Rino Revista Ci. Biol., Fac. Ci. Univ. Lourenc\*,o Marques, A, 5: 228, pl. XXVII: figs. 13-15 1972
Cosmarium askenasyiSchmidle image
Cosmarium askenasyi var. americanum_('americana')N. Carter image
Cosmarium askenasyi var. circulareBehre image
Cosmarium askenasyi var. crateriformePlayfair image
Cosmarium aspersum(W.B. Turner) Biswas image
Cosmarium asperulumP.F. Reinsch image
Cosmarium asperumM. Dingley Arch. Hydrobiol. Suppl. 152 (Algol. Stud. 112): 36, pl. 4: fig. C 2004
Cosmarium asperumW. West & G.S. West J. Roy. Microscop. Soc. 1894: 8, pl. I: fig. 21 1894
Cosmarium asperumWest & West image
Cosmarium asphaerosporum f. minusGrönblad image
Cosmarium asphaerosporumNordstedt image
Cosmarium asphaerosporum var. complanatumKrieger & Gerloff image
Cosmarium asphaerosporum var. corribense(W. West & G.S. West) Krieger & Gerloff image
Cosmarium asphaerosporum var. desectumGrönblad image
Cosmarium asphaerosporum var. montanenseSieminska image
Cosmarium asphaerosporum var. productumNordstedt image
Cosmarium asphaerosporum var. productumNordstedt image
Cosmarium asphaerosporum var. strigosumNordstedt image
Cosmarium asphaerosporum var. tinctumKrieger image
Cosmarium asterophorumSkuja image
Cosmarium asterosporumP.F.M. Coesel Cryptog.: Algol. 10: 182, pl. 1: figs. 1-7 1989
Cosmarium asymmetricumRich image
Cosmarium atlanthoideumDelponte image
Cosmarium atlanthoideum f. rectiusculum_('rectiuscula')Heimerl image
Cosmarium atomus(Eckert) Krieger & Gerloff Gatt. Cosmarium: 315 1969
Cosmarium attenuatumBrébisson ex Ralfs Brit. Desmid.: 110, pl. XVII: fig. 9 1848
Cosmarium attenuatumBrebisson ex Ralfs image
Cosmarium auriculatumReinsch image
Cosmarium auriculatum var. bogorienseBernard image
Cosmarium auriculatum var. chotanagpurense_('chotanagpurensis')M. Srivastava image
Cosmarium auriculatum var. reductumHinode image
Cosmarium auriculatum var. subtruncatumHinode image
Cosmarium auriculatum var. verrucosumW.B. Turner image
Cosmarium australe(Raciborski) Lütkemüller ex Krieger & Gerloff Gatt. Cosmarium: 356 1969
Cosmarium australe var. crassius(W. West & G.S. West) Krieger & Gerloff image
Cosmarium australe var. minus(Hodgetts) Krieger & Gerloff image
Cosmarium australienseP.F.M. Coesel & M. Dingley Syst. Geogr. Pl. 75: 37 2005
Cosmarium avalonenseWoodhead & Tweed image
Cosmarium aversiformeKrieger & Gerloff image
Cosmarium aversum var. sumatranumScott & Prescott image
Cosmarium aversumW. West & G.S. West image
Cosmarium baccatumScott & Grönblad image
Cosmarium bacciferumW.B. Turner image
Cosmarium bacillareLütkemüller Verh. K.K. Zool.-Bot. Ges. Wien 60: 484 1910
Cosmarium bacillareLütkemüller image
Cosmarium baffinense_('baffinensis')Whelden image
Cosmarium bahianumG.J.P. Ramos, C.E.M. Bicudo & C.W.N. Moura Phytotaxa 291: 67, figs. 1-22 2017
Cosmarium baileyi var. angolenseW. West & G.S. West image
Cosmarium baileyi var. latiusH. Croasdale in Prescott et al. Syn. N. Amer. Desmids 2{3}: 77 1981
Cosmarium baileyi var. majus_('major')W. West & G.S. West image
Cosmarium baileyiWolle image
Cosmarium baillyanumBrébisson ex Meneghini Linnaea 14: 222 1840
Cosmarium baillyanumBrebisson image
Cosmarium balteum var. coloradenseJ.A. Cushman image
Cosmarium balteumWest & West image
Cosmarium bangweuluenseP.F.M. Coesel & A. Van Geest Plant Ecology and Evolution 150: 331, figs. 1A,B, 4S-U 2017
Cosmarium bantamianumBernard image
Cosmarium barbaricumClaassen image
Cosmarium baroniiWest & West image
Cosmarium barrackporeanumW.B. Turner image
Cosmarium barramundienseP.F.M. Coesel Quekett J. Microsc. 39: 779, figs. 1, 2 2004
Cosmarium basidecorum(W.B. Turner) Biswas image
Cosmarium basilicumG.S. West image
Cosmarium basilicum var. ilamanenseGauthier-Lièvre image
Cosmarium basituberculatumBorge image
Cosmarium basituberculatum var. elongatumP. Bourrelly & A. Couté Biblioth. Phycol. 86: 62, 188, pl. XXXVII: fig. 3 1991
Cosmarium basituberculatum var. tuberculatumFörster & Eckert image
Cosmarium basituberculoidesP. Bourrelly & A. Couté Biblioth. Phycol. 86: 62, 188, pl. XXXIV: fig. 1 1991
Cosmarium beatum f. achondrumCompère image
Cosmarium beatum var. apertumCouté & Rousselin image
Cosmarium beatumWest & West image
Cosmarium beckiiGutwiński Wiss. Mitt. Bosnien u. Hercegovina 5: 460, pl. LXXVII: fig. 7 1897
Cosmarium bellumWest & West image
Cosmarium benedictumDucellier Bull. Soc. Bot. Genève, ser. 2, 11: 118, fig. 2 1919
Cosmarium bengalense var. generosumHinode image
Cosmarium bengalenseW.B. Turner image
Cosmarium berryenseF.A.C. Kouwets Cryptogamie: Algologie 19: 128 1998
Cosmarium bewsiiFritsch & Rich image
Cosmarium biauritumNordstedt image
Cosmarium bicardia f. intermedium_('intermedia')(Eichler & Gutwinski) Gutwinski image
Cosmarium bicardia f. majus_('major')Gutwinski image
Cosmarium bicardia f. majus_('major')Gutwinski image
Cosmarium bicardiaReinsch image
Cosmarium bicardia var. latiusGutwinski image
Cosmarium bicardia var. trapezicumEichler & Gutwinski image
Cosmarium biclavatumBorge image
Cosmarium biclavatum var. alaskanumHirano image
Cosmarium bicorneBrebisson image
Cosmarium bicorneO. Borge image
Cosmarium bicorne var. camerounenseCompère image
Cosmarium bicrenatumW.B. Turner image
Cosmarium bicuneatum(F. Gay) Nordstedt in De Toni Syll. alg. 1: 935 1889
Cosmarium bicuneatum var. tatricum(Raciborski) Schmidle image
Cosmarium bicuspidatumCorda Alman. Carlsbad 9: 243, pl. V: fig. 28 1839
Cosmarium bidentatumW.B. Turner image
Cosmarium bidentulumP.F.M. Coesel & A. Van Geest Plant Ecology and Evolution 150: 332, figs. 2D,E, 3A-C 2017
Cosmarium bifariumW. Joshua image
Cosmarium biforme_('biformis')Noda & Skvortzov image
Cosmarium bifurcatumSchmidle image
Cosmarium bigemmaRaciborski image
Cosmarium bigemma var. genuinum 'Raciborski' image
Cosmarium bigemma var. podolicumGutwinski image
Cosmarium bigemma var. turnerianumGutwinski image
Cosmarium bigibbumSchmidle image
Cosmarium bigorrenseGay image
Cosmarium bigranulatumO. Andersson image
Cosmarium bigranulatum var. polonicum_('polonica')Eichler & Raciborski image
Cosmarium bilunatumW. & G.S. West image
Cosmarium bimamillatum f. minus_('minor')Rich image
Cosmarium bimamillatum f. ornatum_('ornata')E.N. Lacoste in Lacoste et al. Darwiniana 27: 125, fig. 12 1986
Cosmarium bimamillatumKrieger image
Cosmarium bimamillatum var. atlanticumGauthier-Lièvre image
Cosmarium bimamillatum var. brasilienseGrönblad image
Cosmarium bimamillatum var. evolutumC.E. Bicudo in Prescott et al. Syn. N. Amer. Desmids 2{3}: 80, pl. CCXLVI: fig. 1 1981
Cosmarium bimarginatumBorge image
Cosmarium binale(Turpin) Meneghini image
Cosmarium binerveLundell image
Cosmarium binerve var. elongatumKrieger & Gerloff image
Cosmarium binerve var. elongatumWilli Krieger & Gerloff Gatt. Cosmarium: 258, pl. 44: fig. 2 1969
Cosmarium binerve var. latumKrieger & Gerloff image
Cosmarium binerve var. pseudobinerve(Grönblad) Krieger & Gerloff image
Cosmarium binerve var. subangulatumScott & Prescott image
Cosmarium binervoidesP.F.M. Coesel & A. Van Geest Plant Ecology and Evolution 150: 332 2017
Cosmarium binodosumP.F.M. Coesel & A. Van Geest Plant Ecology and Evolution 150: 332 2017
Cosmarium binodosum var. thomassoniiP.F.M. Coesel & A. Van Geest Plant Ecology and Evolution 150: 334, figs. 2I,J, 4V-Y, 5F 2017
Cosmarium binodulumReinsch image
Cosmarium binumNordstedt image
Cosmarium binum var. angustatumN. Carter image
Cosmarium binum var. australiense_('australiensis')Borge image
Cosmarium binum var. croaticumPevalek Rad Jugoslavenske akademije znanosti i umjetnosti 230: 75, fig. 15 1925
Cosmarium binum var. fontense(Playfair) Playfair image
Cosmarium biobconicumBrühl & Biswas image
Cosmarium bioculatum(Brébisson & Godey) Meneghini Consp. Alg. Eugan.: 18 1837
Cosmarium bioculatum(Brebisson & Godey) Meneghini image
Cosmarium bioculatumBrébisson ex Ralfs Brit. Desmid.: 95, pl. XV: fig. 5 1848
Cosmarium bioculatumBrebisson ex Ralfs image
Cosmarium bioculatum f. depressulumBeck-Mannagetta Ve\*vstn. Král. C\*veské Společn. Nauk, Tr\*v. Mat.-Pr\*vír. [Mém. Soc. Roy. Sci. Bohe\*^me, Cl. Sci.] 1926{10}: 7 1927
Cosmarium bioculatum f. depressumJ. Schaarschmidt Magyar Tud. Akad. Math. Termész. Köz. 18: 270, pl. 1: fig. 10 1883
Cosmarium bioculatum f. intermedium_('intermedia')Wille image
Cosmarium bioculatum f. majus_('major')Irenee-Marie image
Cosmarium bioculatum f. minusBeck-Mannagetta Ve\*vstn. Král. C\*veské Společn. Nauk, Tr\*v. Mat.-Pr\*vír. [Mém. Soc. Roy. Sci. Bohe\*^me, Cl. Sci.] 1926{10}: 7 1927
Cosmarium bioculatum f. minus_('minor')Huber-Pestalozzi image
Cosmarium bioculatum f. subquadratum_('subquadrata')W. West image
Cosmarium bioculatum subf. minus_('minor')Manguin image
Cosmarium bioculatum var. atomusEckert in Migula Crypt. Germaniae, Austriae et Helvetiae: fasc. 58: 281 1933
Cosmarium bioculatum var. bitrapezoidaleSkuja image
Cosmarium bioculatum var. boreale(Børgesen) Krieger & Gerloff image
Cosmarium bioculatum var. borgeiHirano Contrib. Biol. Lab. Kyoto Univ. 21: 14, pl. 4: fig. 5 1968
Cosmarium bioculatum var. canadenseKrieger & Gerloff Gatt. Cosmarium 1: 60, pl. 15: fig. 5 1962
Cosmarium bioculatum var. concavumPrintz image
Cosmarium bioculatum var. crenulatumNaegeli ex Rabenhorst image
Cosmarium bioculatum var. depressum(J. Schaarschmidt) Schmidle Flora 78: 51 1894
Cosmarium bioculatum var. excavatumGutwinski image
Cosmarium bioculatum var. hiansWest & West image
Cosmarium bioculatum var. minutissimumKrieger image
Cosmarium bioculatum var. omphalumJ. Schaarschmidt Magyar Tud. Akad. Math. Termész. Köz. 18: 270, pl. 1: fig. 9 1883
Cosmarium bioculatum var. parcumWille image
Cosmarium bioculatum var. punctatumIrenee-Marie image
Cosmarium bioculatum var. punctatumKützing image
Cosmarium bioculatum var. refringensCroasdale image
Cosmarium bioculatum var. subhiansGrönblad image
Cosmarium bioculatum var. subpunctulatum(Schmidle) Krieger & Gerloff image
Cosmarium bioculatum var. triquetrumNordstedt image
Cosmarium bipapillatum(West) West & West image
Cosmarium bipaxillumWest & West image
Cosmarium bipesCorda Alman. Carlsbad 5: 178, 197, pl. II: fig. 20 1835
Cosmarium bipunctatumBørgesen Vid. Medd. Naturh. Kjobenhavn 1890: 40, pl. IV: fig. 33 1890
Cosmarium bipunctatumBørgesen image
Cosmarium bipunctatum f. subrectangulare_('subrectangularis')West & West image
Cosmarium bipunctatum var. madagascarienseP. Bourrelly & A. Couté Biblioth. Phycol. 86: 64, 188, pl. XXXI: fig. 9 1991
Cosmarium bipunctatum var. maiusFörster & Eckert image
Cosmarium bipunctatum var. maiusK. Förster & Eckert Hydrobiologia 23: 387, pl. 23: fig. 11 1964
Cosmarium bipunctatum var. podlachicumEichler Pamietnik Fizyjograficzny 14{Dzial 3}: 128, fig. 28 1896
Cosmarium bipunctatum var. spinuliferumHegde Phykos 25: 108, fig. 5 1986
Cosmarium bipunctatum var. unipapillatumInsam & Krieger image
Cosmarium bipyrenoideumP. Coesel & K. Meesters Phytotaxa 208: 55, figs. 1-3, 11-15 2015
Cosmarium bireme f. bavaricumKaiser image
Cosmarium bireme f. punctatum_('punctata')Krieger image
Cosmarium bireme var. barbadenseG.S. West image
Cosmarium bireme var. bourrellyiLacoste de Díaz image
Cosmarium bireme var. crassumWest & West image
Cosmarium bireme var. galicienseGutwinski image
Cosmarium bireme var. huzeliiK. Förster Amazoniana 2: 45, pl. 14: figs. 11, 12 1969
Cosmarium bireme var. inermeMessikommer image
Cosmarium bireme var. rotundatumWest & West image
Cosmarium bireme_('biremum')Nordstedt image
Cosmarium biretiformeG.S. West image
Cosmarium biretumBrebisson image
Cosmarium biretum f. groenlandicum_('groenlandica')Boldt image
Cosmarium biretum f. minus_('minor')Borge image
Cosmarium biretum f. subconspersum_('subconspersa')Boldt image
Cosmarium biretum f. supernumerarium_('supernumeraria')Nordstedt image
Cosmarium biretum subsp. trigibberumNordstedt image
Cosmarium biretum var. floridenseWolle Fresh-water Alg. U.S.: 34, pl. LXII: fig. 6 1887
Cosmarium biretum var. intermediumWille image
Cosmarium biretum var. majusPrintz image
Cosmarium biretum var. minusHansgirg image
Cosmarium biretum var. triquetrumBrebisson image
Cosmarium biscarrossiiCapdevielle image
Cosmarium biscrobiculatumWest & West image
Cosmarium biseriatumKrieger image
Cosmarium bisphaericum f. borgeiCedergren image
Cosmarium bisphaericumPrintz image
Cosmarium bisphaericum var. densegranulatumGrönblad image
Cosmarium bissetiiW.B. Turner image
Cosmarium bitrapezoideumBrühl & Biswas image
Cosmarium bitriangulumGrönblad image
Cosmarium bitriangulum var. bitrapezoidaleKrieger & Gerloff image
Cosmarium bitriangulum var. groenbladiiK. Förster Amazoniana 2: 46, pl. 15: fig. 8 1969
Cosmarium bituberculatumF.E. Fritsch & M.F. Rich Trans. Roy. Soc. S. Afr. 25: 181, fig. 12E,F 1937
Cosmarium bituberculatumFritsch & Rich image
Cosmarium bivertexRaciborski image
Cosmarium blacklochenseD.B. Williamson Quekett Journal of Microscopy 43: 301, figs. 1, 2 2018
Cosmarium blanjinensePevalek image
Cosmarium blonskiiRaciborski image
Cosmarium blyttii f. australicum_('australica')Schmidle image
Cosmarium blyttii f. berolinense_('berolinensis')Raciborski image
Cosmarium blyttii f. bipunctatumJ. Dick Krypt. Forsch. 1: 448, pl. XIX: figs. 13-16 1926
Cosmarium blyttii f. lithuanicum_('lithuanica')Raciborski image
Cosmarium blyttii f. quadrinotatumLütkemüller image
Cosmarium blyttii f. tristriatumLütkemüller image
Cosmarium blyttii subsp. hoffiiBørgesen image
Cosmarium blyttii var. basiornatumJao image
Cosmarium blyttii var. bipunctatum(J. Dick) image
Cosmarium blyttii var. bipunctatum(J. Dick) J. Ru\*oz\*vička Arch. Protistenk. 114: 465 1972
Cosmarium blyttii var. casinoensePlayfair image
Cosmarium blyttii var. floridenseScott & Grönblad image
Cosmarium blyttii var. lismorensePlayfair image
Cosmarium blyttii var. novae-sylvae_('NovaeSylvae') West & West image
Cosmarium blyttii var. pseudorichmondiaeGrönblad image
Cosmarium blyttii var. quaternigranulatumA.M. Scott ex H. Croasdale in Croasdale & Scott Nova Hedwigia 27: 531, pl. 9:8,9. 1976
Cosmarium blyttii var. quaternigranulatumScott ex Croasdale image
Cosmarium blyttii var. richmondiaePlayfair image
Cosmarium blyttii var. sexpunctatumKrieger & Bourrelly image
Cosmarium blyttii var. tristriatum(Lütkemüller) Lütkemüller image
Cosmarium blyttiiWille image
Cosmarium boeckii f. irregulareG.W. Prescott in Prescott et al. Syn. N. Amer. Desmids 2{3}: 87, pl. CCLXIV: fig. 4 1981
Cosmarium boeckii f. minus_('minor')Eichler Pamietnik Fizyjograficzny 14{Dzial 3}: 126, no fig. 1896
Cosmarium boeckii f. minus_('minor')Hodgetts image
Cosmarium boeckii subsp. bipapillatumW. West image
Cosmarium boeckii var. areolatumG.J.P. Ramos & C.W.N. Moura in Ramos et al., Phytotaxa 483: 292, figs. 1, 9-12 2021
Cosmarium boeckii var. imperfectumPlayfair image
Cosmarium boeckii var. isthmolaeveSkuja image
Cosmarium boeckii var. papillatumGutwinski image
Cosmarium boeckii var. trifoliatumPlayfair image
Cosmarium boeckiiWille image
Cosmarium boergeseniiGrönblad image
Cosmarium boergesenii var. polymorphumFörster image
Cosmarium bohemicumRoubal image
Cosmarium bohlinii_('Bohlini')Schmidle Bih. K. Svenska Vet.-Akad. Handl. 24{Afd. III, 8}: 26, pl. I: fig. 29 1898
Cosmarium boitierenseF.A.C. Kouwets Cryptogamie: Algologie 19: 129, figs. 53-55 1998
Cosmarium boitierense var. inambitiosumF.A.C. Kouwets Cryptogamie: Algologie 19: 129, figs. 56-62 1998
Cosmarium boldtianumGutwiński Spraw. Kom. Fizyogr. Akad. Umiej. Krakowie (Mater. Fizyogr. Kraj. II) 30: 100, pl. II: fig. 36 1894
Cosmarium boldtiiW.B. Turner image
Cosmarium bonumNoda & Skvortzov image
Cosmarium borealeBørgesen image
Cosmarium borealeBørgesen image
Cosmarium borgei(Hirano) H. Croasdale in Prescott et al. Syn. N. Amer. Desmids 2{3}: 88 1981
Cosmarium botesiiClaassen image
Cosmarium botrytis(Bory) Meneghini image
Cosmarium botrytis f. bacciferoideumCroasdale image
Cosmarium botrytis f. boldtiiGutwinski image
Cosmarium botrytis f. irenee-marieWade image
Cosmarium botrytis f. latumC.E. Bicudo in Prescott et al. Syn. N. Amer. Desmids 2{3}: 90, pl. CCLXV: fig. 4 1981
Cosmarium botrytis f. latum_('lata')Schmidle Ber. Deutsch. Bot. Ges. 11: 550, pl. 28: fig. 12 1894
Cosmarium botrytis f. majusBeck-Mannagetta Ve\*vstn. Král. C\*veské Společn. Nauk, Tr\*v. Mat.-Pr\*vír. [Mém. Soc. Roy. Sci. Bohe\*^me, Cl. Sci.] 1926{10}: 10 1927
Cosmarium botrytis f. majus_('major')Cedergren image
Cosmarium botrytis f. majus_('major')Petkoff image
Cosmarium botrytis f. majus_(`major')Petkoff Fl. Alg. Macédoine: 106, 163, pl. III: fig. 63 1910
Cosmarium botrytis f. minus_('minor')Voronikhin image
Cosmarium botrytis f. nudumWade image
Cosmarium botrytis f. obliquum_('obliqua')Wille image
Cosmarium botrytis f. triquetrum_('triquetra')Messikommer image
Cosmarium botrytis f. typicum_('typica')Gutwinski image
Cosmarium botrytisMeneghini ex Ralfs Brit. Desmid.: 99, pl. XVI: fig. 1 1848
Cosmarium botrytis var. afghanicumJ. Schaarschmidt image
Cosmarium botrytis var. brebissonii(Meneghini) Rabenhorst image
Cosmarium botrytis var. canadenseIrenee-Marie image
Cosmarium botrytis var. crenulatum_('crenulata')Reinsch Int. Polarforsch. 1882-1883, Deutsch. Exped. Ergebn. 2: 347, pl. II: fig. 9 1890
Cosmarium botrytis var. dayenseA. Couté & A. Dehbi-Zebboudj Cryptog.: Algol. 9: 154, figs. 1-12 1988
Cosmarium botrytis var. dayenseA. Couté & A. Dehbi-Zebboudj image
Cosmarium botrytis var. depressumW. & G.S. West image
Cosmarium botrytis var. emarginato-constrictumLemmermann image
Cosmarium botrytis var. emarginatumHansgirg image
Cosmarium botrytis var. gemmiferum(Brebisson) Nordstedt image
Cosmarium botrytis var. glabrumJ. Schaarschmidt Magyar Tud. Akad. Math. Termész. Köz. 18: 263 1883
Cosmarium botrytis var. granulatumJ. Schaarschmidt Magyar Tud. Akad. Math. Termész. Köz. 18: 263 1883
Cosmarium botrytis var. hungaricum_('hungarica')Palik image
Cosmarium botrytis var. hyacinthi_('hyacinthii')(Gutwiński) O.A. Petlovany in P.M. Tsarenko et al. (eds.) Algae of Ukraine 4: 153 2015
Cosmarium botrytis var. indicumW. Joshua image
Cosmarium botrytis var. interstitiale(Kützing) Kützing image
Cosmarium botrytis var. janovienseGutwinski image
Cosmarium botrytis var. japonicum_('japonica')Borge image
Cosmarium botrytis var. mediolaeveW. West image
Cosmarium botrytis var. mesoleiumNordstedt image
Cosmarium botrytis var. ochtodes(Nordstedt) Klebs image
Cosmarium botrytis var. paxillosporumWest & West image
Cosmarium botrytis var. pegleriFritsch image
Cosmarium botrytis var. pseudospeciosumIstvanffi image
Cosmarium botrytis var. pseudospeciosum_('pseudospeciosa')Istvanffi image
Cosmarium botrytis var. pulchrumIstvanffi image
Cosmarium botrytis var. pulchrum_('pulchra')Istvanffi image
Cosmarium botrytis var. rangtangenseHirano image
Cosmarium botrytis var. squamosumJ. Schaarschmidt Magyar Tud. Akad. Math. Termész. Köz. 18: 263, fig. 13 1883
Cosmarium botrytis var. submesoleiumGutwinski image
Cosmarium botrytis var. submesoleiumGutwinski image
Cosmarium botrytis var. subovaleKlebs image
Cosmarium botrytis var. subpulchrumEichler Pamietnik Fizyjograficzny 14{Dzial 3}: 127, fig. 22 1896
Cosmarium botrytis var. subtumidumWittrock image
Cosmarium botrytis var. tuberculatumKlebs image
Cosmarium botrytis var. tumidumWolle image
Cosmarium botrytis var. verruculosumKlebs image
Cosmarium brancoiBicudo image
Cosmarium brasiliense(Wille) Nordstedt image
Cosmarium brasiliense subsp. ordinatumBørgesen image
Cosmarium brasiliense var. taphrosporumNordstedt image
Cosmarium brasiliense var. taphrosporumNordstedt image
Cosmarium braunii f. deformatum_('deformata')Schmidle image
Cosmarium braunii f. deformatum_('deformata')Schmidle image
Cosmarium braunii f. intermedium(Reinsch) Riabinine Bull. Soc. Imp. Naturalistes Moscou, ser. 2, 2: 325 [misprinted 225] 1888
Cosmarium braunii f. meneghinii(Brébisson ex Ralfs) Riabinine Bull. Soc. Imp. Naturalistes Moscou, ser. 2, 2: 325 [misprinted 225] 1888
Cosmarium braunii f. minimum(Reinsch) Riabinine Bull. Soc. Imp. Naturalistes Moscou, ser. 2, 2: 325 [misprinted 225] 1888
Cosmarium braunii f. minus(Reinsch) Riabinine Bull. Soc. Imp. Naturalistes Moscou, ser. 2, 2: 325 [misprinted 225] 1888
Cosmarium braunii var. lobulatumSchmidle image
Cosmarium braunii var. lobulatumSchmidle image
Cosmarium braunii var. pseudoregnelliiMessikommer image
Cosmarium braunii var. subimpressulumJ. Dick Mitteilungen der Pollichia, n.f., III: 135, pl. VIII: fig. 6 1930
Cosmarium braunii_('brauni')Reinsch image
Cosmarium braunii_(`brauni')(Reinsch) Riabinine Bull. Soc. Imp. Naturalistes Moscou, ser. 2, 2: 325 [misprinted 225] 1888
Cosmarium braunii_(`brauni')Reinsch Algenfl. Franken: caption to pl. X: fig. III 1866
Cosmarium brebissonii f. angustius_('angustior')Jacobsen image
Cosmarium brebissonii f. erosum_('erosa')W. West image
Cosmarium brebissonii f. horridum_('horrida')Jacobsen image
Cosmarium brebissonii f. latius_('latior')Jacobsen image
Cosmarium brebissonii f. subtumidum_('subtumida')Nordstedt image
Cosmarium brebissoniiMeneghini image
Cosmarium brebissoniiMeneghini ex Ralfs image
Cosmarium broomei f. minus_('minor')U.C. Pandey & D.C. Pandey image
Cosmarium broomei f. minus_(`minor')U.C. Pandey & D.C. Pandey J. Indian Bot. Soc. 59: 246, fig. 6 1980
Cosmarium broomei f. rotundatum_('rotundata')Wille image
Cosmarium broomeiThwaites ex Ralfs image
Cosmarium broomei var. obliquum_('obliqua')Wille image
Cosmarium buchansianumWoodhead & Tweed image
Cosmarium bulgaricumRoubal image
Cosmarium bulliferumRuzicka image
Cosmarium burkillii var. depressumScott & Prescott image
Cosmarium burkillii var. latumBehre image
Cosmarium burkillii var. rectangulareWest & West image
Cosmarium burkilliiWest & West image
Cosmarium caelatum f. arcticumKosinskaya image
Cosmarium caelatum f. elongatum_('elongata')Gay image
Cosmarium caelatum f. minus_('minor')Gutwinski image
Cosmarium caelatumRalfs image
Cosmarium caelatum var. abnormaleJ.A. Cushman image
Cosmarium caelatum var. bohemicum_('bohemica')Raciborski image
Cosmarium caelatum var. coronatumGeorgevitch image
Cosmarium caelatum var. decemlobumBeck-Mannagetta Ve\*vstn. Král. C\*veské Společn. Nauk, Tr\*v. Mat.-Pr\*vír. [Mém. Soc. Roy. Sci. Bohe\*^me, Cl. Sci.] 1926{10}: 11, fig. 23 1927
Cosmarium caelatum var. distinguendumSkuja image
Cosmarium caelatum var. hexagonumW. West J. Roy. Microscop. Soc. 1890: 290, pl. VI: fig. 30 1890
Cosmarium caelatum var. nasutumInsam & Krieger image
Cosmarium caelatum var. nasutumWoronichin image
Cosmarium caelatum var. spectabile(De Notaris) Nordstedt image
Cosmarium caelatum var. subcaelatumVoronikhin image
Cosmarium caelatum var. triverrucosumGutwinski image
Cosmarium caelatum var. truncatumW.R. Taylor Amer. J. Botany 22: 776, pl. 1: fig. 10 1935
Cosmarium caffrorumClaassen image
Cosmarium calamistratumGrönblad image
Cosmarium calcareum f. minus_('minor')Bongale image
Cosmarium calcareum var. brasilienseBorge image
Cosmarium calcareum var. irenee-marieiG.W. Prescott in Prescott et al. Syn. N. Amer. Desmids 2{3}: 94, pl. CCXXIV: fig. 2 1981
Cosmarium calcareum var. nordstedtii(Schmidle) Schmidle image
Cosmarium calcareum var. spetsbergense(Borge) Förster Int. Rev. Hydrobiol. 57: 416 1972
Cosmarium calcareum var. spetsbergense(Borge) Förster image
Cosmarium calcareum var. subtilissimumSchmidle image
Cosmarium calcareumWittrock image
Cosmarium calculusP.F.M. Coesel Syst. Geogr. Pl. 77: 6, fig. 7-11 2007
Cosmarium callistumW. & G.S. West image
Cosmarium callosissimumScott & Grönblad image
Cosmarium callosissimum var. americanumScott & Grönblad image
Cosmarium calodermum(F. Gay) De Toni Syll. Alg.: 1: 967 1889
Cosmarium calodermum var. suecicumNordstedt image
Cosmarium calvatumNoda & Skvortzov image
Cosmarium calvatum var. punctatumNoda & Skvortzov image
Cosmarium cambodienseHirano image
Cosmarium cambricumCooke & Wills image
Cosmarium cambricum f. minus_('minor')W.B. Turner image
Cosmarium cambricum var. dubiumRaciborski image
Cosmarium campanuliformeP.F.M. Coesel & A. Van Geest Plant Ecology and Evolution 150: 334, figs. 1D,E, 4N-P 2017
Cosmarium canadenseIrenee-Marie image
Cosmarium canadense var. prescottiiIrénée-Marie Nat. Canad. 75: 143, pl. I: fig. 3 1948
Cosmarium canadense var. prescottiiIrenee-Marie image
Cosmarium canaliculatum f. majus_('major')Thomasson image
Cosmarium canaliculatumWest & West image
Cosmarium candianumDelponte image
Cosmarium candianum f. minus_('minor')Wille Forh. Vid.Selsk. Christiania 1880{11}: 33, pl. VIII: figs. 1-6 in Delponte (1873) 1880
Cosmarium candianum f. minutumCompère Bull. Jard. Bot. Natl. Belgique 46: 458 1976
Cosmarium candianum var. depressum(Irénée-Marie) H. Croasdale in Prescott et al. Syn. N. Amer. Desmids 2{3}: 96 1981
Cosmarium candianum var. latiusH. Croasdale in Prescott et al. Syn. N. Amer. Desmids 2{3}: 97, pl. CLVIII: figs. 7, 8 1981
Cosmarium candianum var. minutissimum(Kurt Förster & Eckert) G.J.P. Ramos & C.W.N. Moura Notulae algarum 123: 1 2020
Cosmarium capax var. minus(Schmidle) Hirano image
Cosmarium capaxW. Joshua image
Cosmarium capense(Nordstedt) De Toni Sylloge algarum 1: 969 1889
Cosmarium capense f. minimum_('minima')Kufferath image
Cosmarium capense var. minus_('minor')Fritsch image
Cosmarium capense var. nyassaeSchmidle image
Cosmarium capitulum f. rectangulare_('rectangularis')Raciborski image
Cosmarium capitulum f. trigonumCroasdale image
Cosmarium capitulumRoy & Bisset image
Cosmarium capitulum var. australeG.S. West image
Cosmarium capitulum var. australeG.S. West image
Cosmarium capitulum var. detritumPlayfair image
Cosmarium capitulum var. groenlandicum_('groenlandica')Børgesen image
Cosmarium capitulum var. krkense(Pevalek) Krieger & Gerloff image
Cosmarium capitulum var. rectangulum_('rectangula')Raciborski image
Cosmarium capitulum var. tortumSieminska image
Cosmarium carinatumNoda & Skvortzov image
Cosmarium carinthiacumLütkemüller image
Cosmarium casaresii_('casaresi')V. Allorge & P. Allorge image
Cosmarium cedercreutziiGrönblad image
Cosmarium centrosphinctumW.B. Turner image
Cosmarium centrotaphridiumW. & G.S. West image
Cosmarium ceratophoroidesBourrelly image
Cosmarium ceratophoroides var. madagascariense(Bourrelly) Bourrelly image
Cosmarium ceratophorumLütkemüller image
Cosmarium ceratophorum var. africanumBourrelly image
Cosmarium ceratophorum var. madagascarienseBourrelly image
Cosmarium ceratophorum var. sierra-leonumGrönblad ex Grönblad, Scott, & Croasdale image
Cosmarium cerradenseG.J.P. Ramos, C.E.M. Bicudo & C.W.N. Moura Notulae algarum 224: 2 2022
Cosmarium certumNoda & Skvortzov image
Cosmarium ceylanicum f. africanumBourrelly image
Cosmarium ceylanicum f. minusScott & Prescott image
Cosmarium ceylanicum var. coronatumLütkemüller image
Cosmarium ceylanicum var. sinicumJao image
Cosmarium ceylanicumWest & West image
Cosmarium chapuenseP.F.M. Coesel in Coesel et al. Fottea 17: 91, figs. 6, 7, 12-17 2017
Cosmarium chondriophorumBrühl & Biswas image
Cosmarium cinctutumNordstedt image
Cosmarium cinctutum var. reductumCroasdale image
Cosmarium circulare(Hassall) Kützing image
Cosmarium circulare f. minus_('minor')West & West image
Cosmarium circulareP. Reinsch image
Cosmarium circulareRaciborski image
Cosmarium circulare var. crassangulatumMessikommer image
Cosmarium circulare var. depressumIrénée-Marie Nat. Canad. 75: 144, pl. I: fig. 4 1948
Cosmarium circulare var. depressumIrenee-Marie image
Cosmarium circulare var. maculatum_('maculata')Istvanffi image
Cosmarium circulare var. maculatum_('maculata')Istvanffi image
Cosmarium circulare var. messikommeriKrieger & Gerloff image
Cosmarium circulare var. minusHansgirg image
Cosmarium circulare var. minutissimumK. Förster & Eckert image
Cosmarium circulare var. minutissimumKurt Förster & Eckert in Förster Rev. Alg., ser. 2, 7: 68, pl. 5: fig. 10 1963
Cosmarium ciskeium D.B. Williamson Arch. Hydrobiol. Suppl. 99: 454, pl. 16: fig. 5 1994
Cosmarium claasseniiA. Levanets in Levanets & Van Rensburg Desmids southern Africa: 332 2011
Cosmarium claviferumJ.A. Cushman image
Cosmarium clepshydraSpencer image
Cosmarium clepsydraDelponte image
Cosmarium clepsydra f. sexangulareCroasdale image
Cosmarium clepsydraNordstedt image
Cosmarium clepsydra var. alaskanumCroasdale image
Cosmarium clepsydra var. bicardia(Reinsch) Croasdale image
Cosmarium clepsydra var. delaunayiManguin image
Cosmarium clepsydra var. dissimile(Raciborski) Krieger & Gerloff image
Cosmarium clepsydra var. duplexPrescott image
Cosmarium clepsydra var. fluviatileKrieger & Gerloff image
Cosmarium clepsydra var. hoglandiaeGrönblad image
Cosmarium clepsydra var. incrassatumTherezien image
Cosmarium clepsydra var. latius(Gutwinski) Krieger & Gerloff image
Cosmarium clepsydra var. maius(Raciborski) Krieger & Gerloff image
Cosmarium clepsydra var. mauricianumIrenee-Marie image
Cosmarium clepsydra var. nanumScott & Grönblad image
Cosmarium clepsydra var. sumatranum(A.M. Scott & Prescott) G.J.P. Ramos & C.W.N. Moura in Ramos et al. Notulae algarum 146: 1 2020
Cosmarium clepsydra var. tchadenseCompère image
Cosmarium clepsydra var. trapezicum(Eichler & Gutwinski) Krieger & Gerloff image
Cosmarium clepsydra var. truncatumGutwinski image
Cosmarium clepsydra var. truncatumGutwinski image
Cosmarium clepsydra var. truncatumSchulz image
Cosmarium clevei(Lundell) Lütkemüller image
Cosmarium clevei var. africanum(Schmidle) Krieger & Gerloff image
Cosmarium clevei var. crassum(W. West & G.S. West) Krieger & Gerloff image
Cosmarium clevei var. gelidum(Wittrock) Krieger & Gerloff image
Cosmarium clevei var. groenbladiiKrieger & Gerloff image
Cosmarium clevei var. minus(W. West & G.S. West) Krieger & Gerloff image
Cosmarium clippertonensisW.R. Taylor image
Cosmarium coarctatum f. minus_('minor')Allorge & Manguin image
Cosmarium coarctatum var. casaresii(V. Allorge & P. Allorge) Krieger & Gerloff image
Cosmarium coarctatumWest image
Cosmarium coeseliiF.A.C. Kouwets, M.C. van Westen, & B.F. van Tooren Gorteria - Dutch Botanical Archives 43: 106, figs. 1b-d, 2b,c 2021
Cosmarium cohnii(Kirchner) Raciborski image
Cosmarium cohnii var. regulare(W.B. Turner) Okada image
Cosmarium coliferumLagerheim image
Cosmarium collectorensePlayfair image
Cosmarium collectorense var. croasdaleae_('croasdaleii')D.S. Agarkar & M.S. Agarker image
Cosmarium collectorense var. croasdaleae_(`croasdaleii')D.S. Agarkar & M.S. Agarkar Port. Acta Biol., Sér. B, 12: 165, 166, figs. 29-31 1974
Cosmarium coloratumW.B. Turner image
Cosmarium colpopeltaBrébisson ex Archer in Pritchard Hist. Infus. ed, 4: 734 1861
Cosmarium colpopeltaBrebisson ex Archer image
Cosmarium columbianumG.S. West image
Cosmarium commissuraleBrebisson image
Cosmarium commissuraleBrebisson ex Ralfs image
Cosmarium commissurale f. cruciformeKurt Förster Amazoniana 2: 47, pl. 19: figs. 6, 7 1969
Cosmarium commissurale f. lithuanicum_('lithuanica')Raciborski image
Cosmarium commissurale f. ralfsiiRaciborski image
Cosmarium commissurale var. aculeatumLemmermann image
Cosmarium commissurale var. acutumBrebisson image
Cosmarium commissurale var. acutumK. Förster Amazoniana 2: 46, pl. 19: figs. 8, 9 1969
Cosmarium commissurale var. amazonenseK. Förster Arch. Hydrobiol. Suppl. 60(3) (Algol. Stud. 28): 238, pl. 19: figs. 8, 9 (in K. Förster, Amazoniana 2: 46. 1969) 1981
Cosmarium commissurale var. crassumNordstedt image
Cosmarium commissurale var. cruciforme(Kurt Förster) G.J.P. Ramos & C.W.N. Moura in Ramos et al. Notulae algarum 146: 1 2020
Cosmarium commissurale var. madagascariense_(`madagascariensis')P. Bourrelly & A. Couté Biblioth. Phycol. 86: 66, 189, pl. XXXVI: fig. 4 1991
Cosmarium communeRaciborski Pam. Akad. Umiej. Krakowie, Mat.-Przyr. 10: (72) 1885
Cosmarium commune var. haaboeliense(Wille) Raciborski image
Cosmarium commune var. polonicum(Raciborski) Raciborski image
Cosmarium compactumNoda & Skvortzov image
Cosmarium complanatumSkvortzov & Noda image
Cosmarium concentricum var. radiatumW. West & G.S. West image
Cosmarium concentricumW.B. Turner image
Cosmarium concinnum(Rabenhorst) Reinsch image
Cosmarium concinnum f. majusReinsch image
Cosmarium concinnum f. majus_('major')Gutwinski image
Cosmarium concinnum f. majus_('major')Wille image
Cosmarium concinnum var. laeveWille image
Cosmarium confusumCooke image
Cosmarium confusumM.C. Cooke Brit. desm. 110, pl. XL: fig. 9 1887
Cosmarium confusum subsp. ambiguumW. West image
Cosmarium confusum var. regulariusNordstedt image
Cosmarium confusum var. regulariusNordstedt image
Cosmarium conglobatumSkvortzov & Noda image
Cosmarium conicoidesKrieger & Gerloff image
Cosmarium conicum(W.B. Turner) Biswas image
Cosmarium conicum var. breviusGutwinski image
Cosmarium conicumWest & West image
Cosmarium connatoidesP.F.M. Coesel & A. Van Geest Plant Ecology and Evolution 150: 334, figs. 2A, 3F-J, 5C 2017
Cosmarium connatumBrebisson ex Ralfs image
Cosmarium connatum f. circulareHinode image
Cosmarium connatum var. africanumFritsch & Rich image
Cosmarium connatum var. constrictumBourrelly image
Cosmarium connatum var. depressumIrenee-Marie image
Cosmarium connatum var. laeve(W.B. Turner) Krieger & Gerloff image
Cosmarium connatum var. minusWolle image
Cosmarium connatum var. pseudoconnatum(Nordstedt) Klebs image
Cosmarium connatum var. subellipticumClaassen image
Cosmarium connatum var. truncatumW. West image
Cosmarium connatum var. typicumKlebs image
Cosmarium connectumReinsch Int. Polarforsch. 1882-1883, Deutsch. Exped. Ergebn. 2: 344, pl. II: fig. 6a,b 1890
Cosmarium cononophorumW. & G.S. West image
Cosmarium conspersum f. boldtiiW.B. Turner image
Cosmarium conspersum f. dickieiCroasdale image
Cosmarium conspersum f. intermedium_('intermedia')Raciborski image
Cosmarium conspersum f. minusCedergren image
Cosmarium conspersum f. minus_('minor')Raciborski image
Cosmarium conspersum f. parvumCroasdale image
Cosmarium conspersum f. scandinavicum_('scandinavica')Raciborski image
Cosmarium conspersumRalfs image
Cosmarium conspersum var. americanumNordstedt image
Cosmarium conspersum var. attenuatumNordstedt image
Cosmarium conspersum var. capenseHodgetts image
Cosmarium conspersum var. elongatumRaciborski image
Cosmarium conspersum var. latum(Brebisson) West & West image
Cosmarium conspersum var. minus_('minor')Roubal image
Cosmarium conspersum var. ralfsiiRaciborski image
Cosmarium conspersum var. retusumWolle image
Cosmarium conspersum var. rotundatumWittrock image
Cosmarium conspersum var. scottiiCroasdale image
Cosmarium conspersum var. scottiiH. Croasdale in Croasdale & Scott Nova Hedwigia 27: 531, pl. 9:2 1976
Cosmarium conspersum var. sublatum(Krieger) Croasdale image
Cosmarium conspersum var. subrotundatumW. West image
Cosmarium constrictumDelponte image
Cosmarium constrictum f. glabrum_('glabra')Gutwinski image
Cosmarium constrictum f. minus_('minor')Fritsch & Rich image
Cosmarium constrictum f. punctatum_('punctata')Gutwinski image
Cosmarium constrictum var. schmidtii(W. West & G.S. West) Krieger & Gerloff image
Cosmarium constrictum var. subdeplanatum(Schmidle) Krieger & Gerloff image
Cosmarium contractiformeGrönblad & Scott image
Cosmarium contractum f. ellipticum(A.M. Scott & Grönblad) H. Croasdale in Prescott et al. Syn. N. Amer. Desmids 2{3}: 108 1981
Cosmarium contractum f. intermedium_('intermedia')Playfair image
Cosmarium contractum f. maculatum_('maculata')Grönblad & Scott image
Cosmarium contractum f. minus_('minor')G.M. Smith Trans. Wis. Acad. Sci. Arts & Lett. 20: 345, pl. X: figs. 2-5 1922
Cosmarium contractum f. minus_('minor')Wille image
Cosmarium contractum f. minus_('minor')Wille Deutsche Südpolar-Exped. 1901-1903, 8: 424, no fig. 1924
Cosmarium contractum f. punctatumNoda & Skvortzov image
Cosmarium contractum f. retusum_('retusa')West & West image
Cosmarium contractum f. retusum_(`retusa')W. West & G.S. West Monogr. Brit. Desmid. 2: 173, ppl. LXI: fig. 29 1905
Cosmarium contractumKirchner image
Cosmarium contractum var. abbreviatumBrühl & Biswas image
Cosmarium contractum var. amazonenseFörster image
Cosmarium contractum var. americanumH. Croasdale in Prescott et al. Syn. N. Amer. Desmids 2{3}: 703 1981
Cosmarium contractum var. aversum(W. West & G.S. West) Krieger & Gerloff image
Cosmarium contractum var. cracovienseRaciborski image
Cosmarium contractum var. distansBachmann image
Cosmarium contractum var. distinctumNoda & Skvortzov image
Cosmarium contractum var. ellipsoideum(Elfving) West & G.S. West image
Cosmarium contractum var. gartanenseWest & West image
Cosmarium contractum var. hinganicumNoda & Skvortzov image
Cosmarium contractum var. incrassatumFörster image
Cosmarium contractum var. incrassatumK. Förster Mitt. Naturw. Arbeitskr. Kempten 7: 48, pl. 1: fig. 11 1963
Cosmarium contractum var. incrassatumScott & Prescott image
Cosmarium contractum var. indentatum(Grönblad) Krieger & Gerloff image
Cosmarium contractum var. maximumWest & West image
Cosmarium contractum var. minus_('minor')Hieronymus image
Cosmarium contractum var. minutissimumGrönblad image
Cosmarium contractum var. minutum(Delponte) P.F.M. Coesel Cryptog.: Algol. 10: 183 1989
Cosmarium contractum var. minutum(Delponte) W. West & G.S. West image
Cosmarium contractum var. minutum(Delponte) W. West & G.S. West Monogr. Brit. Desmid. 2: 173 1905
Cosmarium contractum var. norvegicumRaciborski image
Cosmarium contractum var. ornatumFörster image
Cosmarium contractum var. pachydermumScott & Prescott image
Cosmarium contractum var. papillatumWest & West image
Cosmarium contractum var. pseudogartanenseClaassen image
Cosmarium contractum var. punctatumW.B. Turner image
Cosmarium contractum var. rectangulareIrenee-Marie image
Cosmarium contractum var. retusum(W. West & G.S. West) W. Krieger & J. Gerloff Gatt. Cosmarium: 76 1962
Cosmarium contractum var. retusum(West & West) Krieger & Gerloff image
Cosmarium contractum var. retusumBeck-Mannagetta Ve\*vstn. Král. C\*veské Společn. Nauk, Tr\*v. Mat.-Pr\*vír. [Mém. Soc. Roy. Sci. Bohe\*^me, Cl. Sci.] 1926{10}: 7, fig. 14 1927
Cosmarium contractum var. rotundatumBorge image
Cosmarium contractum var. silesiacumRaciborski image
Cosmarium contractum var. sparsipunctatumK. Förster Amazoniana 2: 48, pl. 13: figs. 13, 14 1969
Cosmarium contractum var. sphagnicola_('sphagnicolum')Noda & Skvortzov image
Cosmarium contractum var. subellipticum 'Playfair' image
Cosmarium contractum var. subfoveatum 'Playfair' image
Cosmarium contractum var. subglobosumK. Förster Ark. Bot., ser. 2 6: 134, pl. 3: fig. 13, pl. 10: fig. 20 1965
Cosmarium contractum var. submoniliformeMessikommer image
Cosmarium contractum var. subtrapeziformeFörster image
Cosmarium controversum f. majus_('major')Thomasson image
Cosmarium controversum var. schulziiGrönblad image
Cosmarium controversumW. West image
Cosmarium conwentziiSteinecke image
Cosmarium corbula(Brebisson) Brebisson image
Cosmarium corbula f. podalicum_('podalica')Gutwinski image
Cosmarium corbula var. hiansD.B. Williamson Quekett J. Microscopy 37: 42, figs. 1-4 1993
Cosmarium corbula var. latius_('latior')Gutwinski image
Cosmarium corbula var. pyretiGutwinski image
Cosmarium cordanumBrébisson in Rabenhorst Fl. Eur. Alg. 3: 177 1868
Cosmarium cordanum f. minus_('minor')Maskell image
Cosmarium cornigerum(Nordstedt) K. Förster Arch. Hydrobiol. Suppl. 60(3) (Algol. Stud. 28): 238 1981
Cosmarium cornubienseWest & West image
Cosmarium cornutumCorda Alman. Carlsbad 9: 243, pl. V: fig. 30 1839
Cosmarium cornutumSkvortzov & Noda image
Cosmarium coronaGaidukov image
Cosmarium coronatumCooke & Wills image
Cosmarium corribenseWest & West image
Cosmarium corrienseBisset ex Roy Ann. Scot. Nat. Hist. 3: 44, pl. II: fig. 6 1894
Cosmarium corrugatumScott & Grönblad image
Cosmarium corruptum f. minus_('minor')Gutwiński Spraw. Kom. Fizyogr. Akad. Umiej. Krakowie (Mater. Fizyogr. Kraj. II) 30: 88, pl. III: fig. 19 1894
Cosmarium corruptumW.B. Turner image
Cosmarium corsavaggenseSkuja image
Cosmarium corumbenseBorge image
Cosmarium cosmarioides(De Bary) J. Ru\*oz\*vička Arch. Hydrobiol. Suppl. 78 (Algol. Stud. 46): 42 1987
Cosmarium cosmarioides(De Bary) J. Ruzicka image
Cosmarium cosmetiformeJao image
Cosmarium cosmetumWest & West image
Cosmarium costatum(Nordstedt) Nordstedt image
Cosmarium costatum f. majus_('major')Boldt image
Cosmarium costatum f. majus_('major')Schmidle image
Cosmarium costatum f. minus_('minor')Boldt image
Cosmarium costatum var. gutwinskiiCroasdale image
Cosmarium costatum var. oelandicumGrönblad image
Cosmarium costatum var. pizsolenseMessikommer image
Cosmarium costatum var. subhexalobumBoldt image
Cosmarium costatum var. tatrenseGutwinski image
Cosmarium costatum var. triquetrum(Nordstedt) Nordstedt image
Cosmarium craspedopleurumW.B. Turner image
Cosmarium crassangulatumBorge image
Cosmarium crassangulatum f. granulatumHegde image
Cosmarium crassangulatum f. truncatumScott & Prescott image
Cosmarium crassangulatum var. champesianumDucellier Bull. Soc. Bot. Genève, ser. 2, 10: 13, fig. 2 1918
Cosmarium crassangulatum var. ellipticum(Grönblad) Krieger & Gerloff Gatt. Cosmarium: 32 1962
Cosmarium crassangulatum var. triverrucosumKrieger image
Cosmarium crassidentatumBernard image
Cosmarium crassipelleBoldt image
Cosmarium crassipelle f. lateraleE.A. Flint & D.B. Williamson New Zealand J. Bot. 37: 544, fig. 2 F 1999
Cosmarium crassipelle var. champesianum(Ducellier) J. image
Cosmarium crassipelle var. champesianum(Ducellier) J. Ru\*oz\*vička Arch. Hydrobiol. Suppl. 78 (Algol. Stud. 46): 43 1987
Cosmarium crassipelle var. ellipticumGrönblad Acta Soc. Sci. Fenn. n.s.B, 2{5}: 37, pl. II: fig. 10 1942
Cosmarium crassipelle var. ellipticumGrönblad image
Cosmarium crassipelle var. monochondrumD.B. Williamson image
Cosmarium crassipelle var. monochrondrumD.B. Williamson Bot. J. Scotland 47: 117, fig. 2(1,2) 1994
Cosmarium crassipelle var. noduliferumE.A. Flint & D.B. Williamson Arch. Hydrobiol. Suppl. 126 (Algol. Stud. 91): 84, pl. 5: 2 1998
Cosmarium crassipelle var. ornatumE.E. Flint & D.B. Williamson New Zealand J. Botany 43: 293, fig. 3B 2005
Cosmarium crassiusculum(De Bary) Insam & Krieger image
Cosmarium crassiusculum var. pulchrumKrieger & Gerloff image
Cosmarium crassumBrebisson image
Cosmarium crenatiforme f. minus_('minor')Grönblad image
Cosmarium crenatiformeGrönblad image
Cosmarium crenatum f. alpinumRaciborski Pam. Akad. Umiej. Krakowie, Mat.-Przyr. 10: (76), pl. II(=XI): fig. 11 1885
Cosmarium crenatum f. boldtianum_('boldtiana')(Gutwinski) West & West image
Cosmarium crenatum f. groenlandicum_('groenlandica')E. Larsen Meddel. Gronl. 33: 329, pl. VII: fig. 8 1907
Cosmarium crenatum f. intermedium_('intermedia')Boldt image
Cosmarium crenatum f. minusBeck-Mannagetta Ve\*vstn. Král. C\*veské Společn. Nauk, Tr\*v. Mat.-Pr\*vír. [Mém. Soc. Roy. Sci. Bohe\*^me, Cl. Sci.] 1926{10}: 8 1927
Cosmarium crenatum f. minutum_('minuta')W.B. Turner image
Cosmarium crenatum f. sublaevisSchmidle image
Cosmarium crenatum f. tricrenatum_('tricrenata')Boldt image
Cosmarium crenatumRalfs Ann. & Mag. Nat. Hist. 14: 394, pl. XI: fig. 6 1844
Cosmarium crenatumRalfs ex Ralfs Brit. Desmid.: 96, pl. XV: fig. 7 1848
Cosmarium crenatum subsp. costatumNordstedt image
Cosmarium crenatum var. alpinumRaciborski image
Cosmarium crenatum var. bicrenatumNordstedt image
Cosmarium crenatum var. boldtianum(Gutwiński) K. Förster Arch. Hydrobiol. Suppl. 60(3) (Algol. Stud. 28): 238 1981
Cosmarium crenatum var. kerguelenseReinsch image
Cosmarium crenatum var. majus_('major')Raciborski image
Cosmarium crenatum var. nanumWittrock image
Cosmarium crenatum var. parvumMessikommer image
Cosmarium crenatum var. psychophilumSchmidle image
Cosmarium crenatum var. subcrenatumRabenhorst image
Cosmarium creniferumW.B. Turner image
Cosmarium crenulatum(Ehrenberg) Brebisson image
Cosmarium crenulatum var. tumidulumInsam & Krieger image
Cosmarium creperum var. compressumWest & West image
Cosmarium creperum var. sinenseJao image
Cosmarium creperumWest & West image
Cosmarium crispatumHirano image
Cosmarium cristatumRalfs image
Cosmarium croasdaleaeGrönblad image
Cosmarium croasdaleaeSuxena & Venkateswarlu image
Cosmarium cruciatumBrebisson image
Cosmarium cruciferumde Bary Untersuch. Conjugaten: 72, pl. VII G: 3-6 1858
Cosmarium cruciferumDe Bary image
Cosmarium crux-melitensis_('crux melitensis')(Ehrenberg) Corda image
Cosmarium crux-melitensis_(`crux melitensis')(Ehrenberg) Corda Alman. Carlsbad 9: 243 1839
Cosmarium ctenoideumW.B. Turner image
Cosmarium cucumisCorda Alman. Carlsbad 9: 242-243 1839
Cosmarium cucumisCorda ex Ralfs Brit. Desmid.: 93, pl. XV: fig. 1 1848
Cosmarium cucumisCorda Alman. Carlsbad 5: 206, pl. II: fig. 27 1835
Cosmarium cucumis f. elongatum_('elongata')Jacobsen image
Cosmarium cucumis f. granulare_('granularis')Meister image
Cosmarium cucumis f. incisum_('incisa')Jacobsen image
Cosmarium cucumis f. majus_('major')Nordstedt image
Cosmarium cucumis f. majus_('major')Nordstedt image
Cosmarium cucumis f. maximumCompère image
Cosmarium cucumis f. monstrosum_('monstrosa')Wille image
Cosmarium cucumis f. quadratum_('quadrata')(Ralfs) Jacobsen image
Cosmarium cucumis f. rotundatum_('rotundata')Jacobsen image
Cosmarium cucumis var. anglicum_('anglica')Raciborski image
Cosmarium cucumis var. elongatum(Hirano) Krieger & Gerloff image
Cosmarium cucumis var. helveticumNordstedt image
Cosmarium cucumis var. incisum 'Jacobsen' image
Cosmarium cucumis var. lacustreGrunow image
Cosmarium cucumis var. magnumRaciborski image
Cosmarium cucumis var. polonicum_('polonica')Raciborski image
Cosmarium cucumis var. polonicum_('polonica')Raciborski image
Cosmarium cucumis var. punctulatumViret image
Cosmarium cucumis var. quadratum(Ralfs) Klebs image
Cosmarium cucumis var. suecicum_('suecica')Raciborski image
Cosmarium cucumis var. typicumKlebs image
Cosmarium cucurbitaBrebisson image
Cosmarium cucurbitaBrebisson ex Ralfs image
Cosmarium cucurbita f. latius_('latior')West & West image
Cosmarium cucurbita f. majus_('major')W. West image
Cosmarium cucurbita f. minusGrönblad image
Cosmarium cucurbita f. minusGrönblad image
Cosmarium cucurbita f. minusW. West & G.S. West J. Bot. (London) 35: 176 1897
Cosmarium cucurbita f. minus_('minor')W. & G.S. West image
Cosmarium cucurbita f. rotundatum_('rotundata')Krieger image
Cosmarium cucurbita f. wolleiEichler Pamietnik Fizyjograficzny 14{Dzial 3}: 126 1896
Cosmarium cucurbita var. attenuatumG.S. West image
Cosmarium cucurbita var. latius(W. West & G.S. West) Krieger & Gerloff image
Cosmarium cucurbita var. minimumW. West & G.S. West image
Cosmarium cucurbita var. palangula(Brébisson) Klebs Schr. Phys.-Ökon. Ges. Königsberg 20: 29 1879
Cosmarium cucurbita var. palangulum_('palangula')(Brebisson) Klebs image
Cosmarium cucurbita var. robustumKrieger image
Cosmarium cucurbita var. rotundatum(Krieger) Krieger & Gerloff image
Cosmarium cucurbita var. tessularisporum(Förster & Eckert) Krieger & Gerloff image
Cosmarium cucurbita var. typicumKlebs image
Cosmarium cucurbitaeformeRabanus image
Cosmarium cucurbitinum(Bisset) Lütkemüller image
Cosmarium cucurbitinum f. minus_('minor')(W. West & G.S. West) J. Sampaio image
Cosmarium cucurbitinum f. subretusum_('subretusa')Messikommer image
Cosmarium cucurbitinum var. angustumGrönblad Acta Soc. Sci. Fenn. n.s.B, 2{6}: 17, fig. 97 1945
Cosmarium cucurbitinum var. angustumGrönblad image
Cosmarium cucurbitinum var. conicumFörster image
Cosmarium cucurbitinum var. grandeGrönblad image
Cosmarium cucurbitinum var. longumScott & Grönblad image
Cosmarium cucurbitinum var. magellanicum(Borge) Krieger & Gerloff image
Cosmarium cucurbitinum var. manguinii(Teiling) Krieger & Gerloff image
Cosmarium cucurbitinum var. subpolymorphum(Nordstedt) Lütkemüller image
Cosmarium cucurbitinum var. truncatumKrieger image
Cosmarium cuneatum f. apertum_('aperta')Gutwinski image
Cosmarium cuneatum f. ceylonicum_('ceylonica')Gutwinski image
Cosmarium cuneatum f. crenatum_('crenata')Gutwinski image
Cosmarium cuneatum f. nudum_('nuda')Gutwinski image
Cosmarium cuneatum f. typicum_('typica')Gutwinski image
Cosmarium cuneatum var. americanumBorge image
Cosmarium cuneatum var. indicumW.B. Turner image
Cosmarium cuneatum var. ornatumHegde Phykos 25: 109, fig. 4 1986
Cosmarium cuneatum var. truncatumG.R. Hegde & S.W. Isaacs The Journal of the Bombay Natural History Society 86: 88, fig. 1 1989
Cosmarium cuneatum var. verrucosumY. Wei Chin. J. Oceanol. & Limnol. 9: 267, pl. III: fig. 5 1991
Cosmarium cuneatum var. verrucosumY.-X. Wei J. Phycol. 24(suppl.): 7 1988
Cosmarium cuneatumW. Joshua image
Cosmarium cunningtoniiG.S. West image
Cosmarium cunningtonii var. luxuriosumP.F.M. Coesel & A. Van Geest Plant Ecology and Evolution 150: 337, figs. 2G,H, 4F,H 2017
Cosmarium cupiformeD.B. Williamson Arch. Hydrobiol. Suppl. 128 (Algol. Stud. 93): 56, pl. 1: figs. 1-4 1999
Cosmarium curtum(Brebisson) Ralfs image
Cosmarium curtum f. compressum_('compressa')Maskell image
Cosmarium curtum f. nordstedtianumK. Förster Khumbu Himal; Ergebnisse 2: 38 1965
Cosmarium curtumRalfs Brit. Desmid.: 109, pl. XXXII: fig. 9 1848
Cosmarium curtum var. majusRabenhorst Fl. Eur. Alg. III: 177 1868
Cosmarium curtum var. minusRabenhorst Fl. Eur. Alg. III: 177 1868
Cosmarium curtum var. obtusum(W. West & G.S. West) Hirano image
Cosmarium curtum var. velebiticum(Pevalek) Krieger & Gerloff Gatt. Cosmarium: 354 1969
Cosmarium cushmaniiC.E. Bicudo in Prescott et al. Syn. N. Amer. Desmids 2{3}: 115 1981
Cosmarium cuspidatumKrieger & Gerloff image
Cosmarium cyathiformeWest & West image
Cosmarium cycladatumW.B. Turner image
Cosmarium cyclicum f. bicrenatum_('bicrenata')Milovanovic image
Cosmarium cyclicum f. crenulatumKamat image
Cosmarium cyclicum f. minus_('minor')Boldt image
Cosmarium cyclicum f. minutissimum_('minutissima')Eichler Pamietnik Fizyjograficzny 14{Dzial 3}: 126, fig. 20 1896
Cosmarium cyclicum f. punctatumSkvortzov image
Cosmarium cyclicum f. tatricum_('tatrica')Gutwinski image
Cosmarium cyclicumLundell image
Cosmarium cyclicum subsp. arcticumNordstedt image
Cosmarium cyclicum var. ampliatumMaskell image
Cosmarium cyclicum var. angulatumW. West image
Cosmarium cyclicum var. arcticum(Nordstedt) W. West & G.S. West image
Cosmarium cyclicum var. crassumWhelden image
Cosmarium cyclicum var. maculatumSchmidle image
Cosmarium cyclicum var. maximumBeck-Mannagetta Ve\*vstn. Král. C\*veské Společn. Nauk, Tr\*v. Mat.-Pr\*vír. [Mém. Soc. Roy. Sci. Bohe\*^me, Cl. Sci.] 1926{10}: 10 1927
Cosmarium cyclicum var. nordstedtianum(Reinsch) W. West & G.S. West image
Cosmarium cyclicum var. sinenseJao image
Cosmarium cyclicum var. subarcticumBoldt image
Cosmarium cyclicum var. subtruncatumHansgirg image
Cosmarium cyclicum var. truncatumBorge image
Cosmarium cyclopeumPlayfair image
Cosmarium cyclopsF.A.C. Kouwets Arch. Hydrobiol. Suppl. 137 (Algol. Stud. 101): 37, pl. 4: 9-13 2001
Cosmarium cylindricoideumScott & Prescott image
Cosmarium cylindricumRalfs British Desmid.: 106, pl. XVII: fig. 4 1848
Cosmarium cylindricumRalfs ex Ralfs image
Cosmarium cylindricum var. octogonumBeck-Mannagetta Ve\*vstn. Král. C\*veské Společn. Nauk, Tr\*v. Mat.-Pr\*vír. [Mém. Soc. Roy. Sci. Bohe\*^me, Cl. Sci.] 1926{10}: 10, fig. 21 1927
Cosmarium cylindrocystiformeG.S. West image
Cosmarium cymatium(W. West & G.S. West) Krieger & Gerloff image
Cosmarium cymatonotophorum f. ornatum_('ornata')Messikommer image
Cosmarium cymatonotophorum f. ornatum_(`ornata')Messikommer Mitt. Bot. Mus. Univ. Zürich 122: 101, pl. IV: fig. 12 1927
Cosmarium cymatonotophorum var. concavumJ. Siemińska Trans. Amer. Microscop. Soc. 84: 109, pl. III: figs. 21-25 1965
Cosmarium cymatonotophorum var. concavumSieminska image
Cosmarium cymatonotophorum var. granulatumR.L. Grönblad image
Cosmarium cymatonotophorumW. West image
Cosmarium cymatopleurum f. boreale_('borealis')Raciborski image
Cosmarium cymatopleurum f. minus_('minor')Kurz image
Cosmarium cymatopleurum f. minus_('minor')Roubal image
Cosmarium cymatopleurum f. polonicum_('polonica')Raciborski image
Cosmarium cymatopleurum f. tatricum_('tatrica')Raciborski image
Cosmarium cymatopleurumNordstedt image
Cosmarium cymatopleurum var. archeri_('archerii')(Roy & Bisset) W. West & G.S. West image
Cosmarium cymatopleurum var. archeri_('archerii')(Roy & Bisset) W. West & G.S. West image
Cosmarium cymatopleurum var. incrassatum_('incrassata')Borge image
Cosmarium cymatopleurum var. sikangenseJao image
Cosmarium cymatopleurum var. subtropicumIslam image
Cosmarium cymatopleurum var. triquetrumGrönblad image
Cosmarium cymatopleurum var. tyrolicumNordstedt Öfvers. K. [Svenska] Vet.-Akad. Förh. 33{6}: 30, pl. XII: fig. 5 1876
Cosmarium danicumBørgesen image
Cosmarium dartmouthiiSuxena & Venkateswarlu image
Cosmarium davidsoniiRoy image
Cosmarium davidsonii var. basiornatumGrönblad image
Cosmarium davidsonii var. elegans(Roy & Bisset) Ruzicka image
Cosmarium davidsonii var. heterocrenatum(W. West & G.S. West) Ruzicka image
Cosmarium davidsonii var. messikommeri(P. Bourrelly) P.F.M. Coesel & S. Alfinito Nord. J. Bot. 25: 247 2007
Cosmarium davidsonii var. simpliciusGutwinski image
Cosmarium debaryi f. borgeiSchmidle image
Cosmarium debaryi f. majus_('major')Wille image
Cosmarium debaryi f. spetsbergense_('spetsbergensis')Nordstedt image
Cosmarium debaryi var. inflatumKlebs image
Cosmarium debaryi var. maximumKrieger & Gerloff image
Cosmarium debaryi var. minus_('minor')Claassen image
Cosmarium debaryi var. novae-semliae_('NovaeSemliae') Wille image
Cosmarium debaryi var. turgidum(Brebisson) Klebs image
Cosmarium debaryi var. typicumKlebs image
Cosmarium debaryiW. Archer in Pritchard Hist. Infus. ed. 4: 735 1861
Cosmarium debaryi_('DeBaryi') Archer image
Cosmarium decachondrumRoy & Bisset image
Cosmarium decachondrum var. ornatumG.S. West image
Cosmarium decachondrum var. striatumSchmidle image
Cosmarium decachondrum var. taxichondriformeGutwinski image
Cosmarium decachondrum var. taxichondriformeGutwinski image
Cosmarium decacuminatumBrühl & Biswas image
Cosmarium decacuminatum var. circulareBourrelly image
Cosmarium decedens(Reinsch) Raciborski image
Cosmarium decedens f. costaricenseKufferath image
Cosmarium decedens f. minus_('minor')Skuja image
Cosmarium decedens f. minutissimum_('minutissima')Woodhead & Tweed North Western Naturalist 23: 26 1948
Cosmarium decedens f. nepalenseK. Förster Khumbu Himal; Ergebnisse 2: 39, pl. 3: figs. 23, 27; pl. 6: fig. 9 1965
Cosmarium decedens f. obtusangulum_('obtusangula')Messikommer image
Cosmarium decedens var. apertumKrieger & Gerloff image
Cosmarium decedens var. apiculatumBeck-Mannagetta image
Cosmarium decedens var. bahienseFörster & Eckert image
Cosmarium decedens var. basiornatum(Gutwiński) Krieger & Gerloff Gatt. Cosmarium: 179 1965
Cosmarium decedens var. borealeRaciborski image
Cosmarium decedens var. borgeiKrieger image
Cosmarium decedens var. carpaticumRaciborski image
Cosmarium decedens var. minutum(Gutwinski) Krieger & Gerloff image
Cosmarium decedens var. parallelumE.A. Messikommer Mitteilungen der Naturforschenden Gesellschaft in Bern N.F. 2: 101, pl. 2: fig. 42 1945
Cosmarium decedens var. parallelumMessikommer image
Cosmarium decedens var. scrobiculatum(Kurt Förster & Eckert) G.J.P. Ramos & C.W.N. Moura in Ramos et al. Notulae algarum 224: 3 2022
Cosmarium decedens var. sinuosum(Lundell) image
Cosmarium decemcrenatumM. Dingley Telopea 9: 609, fig. 1 2002
Cosmarium decemverrucosumSkuja image
Cosmarium decoratum f. kriegeriWoodhead & Tweed image
Cosmarium decoratum var. dentiferumWest & West image
Cosmarium decoratum var. galpiniiClaassen image
Cosmarium decoratum var. waterbergenseClaassen image
Cosmarium decoratumWest & West image
Cosmarium decussiferumBorge image
Cosmarium decussiferum var. mediogranulatumFörster & Eckert image
Cosmarium decussiferum var. mediogranulatumK. Förster & Eckert in Förster Hydrobiologia 23: 388, pl. 23: figs. 12-14; pl. 46: fig. 10 1964
Cosmarium decussiferum var. medionudumP. Bourrelly & A. Couté Amazoniana 7: 245, 260, pl. XVI: fig. 6 1982
Cosmarium decussiferum var. medionudumP. Bourrelly & A. Couté image
Cosmarium dedolatumNoda & Skvortzov image
Cosmarium deformeBorge image
Cosmarium deforme_('deformis')Noda & Skvortzov image
Cosmarium delatatumNoda & Skvortzov image
Cosmarium delicatissimumLemmermann image
Cosmarium delicatulum(Perty) Rabenhorst image
Cosmarium delicatulumO. Borge image
Cosmarium deltoidesCorda Alman. Carlsbad 5: 178, 180, 197, pl. II: figs. 18, 19 1835
Cosmarium deltoideumDelponte image
Cosmarium demangeoniiBrebisson image
Cosmarium demersumNoda & Skvortzov image
Cosmarium denotarisii_('DeNotarisii') (Wittrock) Nordstedt image
Cosmarium densegranulatumSkuja image
Cosmarium dentatum f. spinosumScott & Grönblad image
Cosmarium dentatum var. glabrumIrenee-Marie image
Cosmarium dentatum var. minusScott & Grönblad image
Cosmarium dentatum var. ornatumScott & Grönblad image
Cosmarium dentatumWolle image
Cosmarium denticulatumBorge image
Cosmarium denticulatum f. borgeiIrenee-Marie image
Cosmarium denticulatum f. giganteum_('gigantea')Grönblad image
Cosmarium denticulatum f. groenbladiiCouté image
Cosmarium denticulatum f. maius_('maior')Grönblad image
Cosmarium denticulatum f. mediolaeveK. Förster Amazoniana 2: 48, pl. 19: fig. 5 1969
Cosmarium denticulatum f. victoriniiIrenee-Marie image
Cosmarium denticulatum var. ellipsoideumScott & Prescott image
Cosmarium denticulatum var. hasanenseBharati & Hegde Nova Hedwigia 36: 740, pl. 12: fig. 1 1983
Cosmarium denticulatum var. multispinum(M. Hirano) Y. Kanetsuna Phycol. Res. 50: 106 2002
Cosmarium denticulatum var. ovaleGrönblad image
Cosmarium denticulatum var. perspinosumGrönblad image
Cosmarium denticulatum var. rotundatumLütkemüller image
Cosmarium denticulatum var. triangulareGrönblad image
Cosmarium dentiferumCorda Alman. Carlsbad 10: 215, pl. VI: fig. 41 1840
Cosmarium dentiferum f. maius_('maior')Gutwinski image
Cosmarium dentiferum f. minus_('minor')Huber-Pestalozzi image
Cosmarium dentiferum f. minus_('minor')Manguin image
Cosmarium dentiferum var. alpinumMessikommer image
Cosmarium dentiferum var. minusKarnat image
Cosmarium dentiferum var. porrectum(Nordstedt) Playfair image
Cosmarium dentiferum var. quadrum(Lund) Playfair image
Cosmarium dentiferum var. sublatum(Nordstedt) Playfair image
Cosmarium depauperatumNordstedt image
Cosmarium depressum(Naegeli) Lundell image
Cosmarium depressumBailey image
Cosmarium depressum f. brunneum_('brunnea')Schmidle image
Cosmarium depressum f. glabrum_('glabra')Schmidle image
Cosmarium depressum f. glabrum_('glabra')Woodhead & Tweed North Western Naturalist 23: 26, fig. 6 1948
Cosmarium depressum f. minimum_('minima')Schulz image
Cosmarium depressum f. minusBehre image
Cosmarium depressum f. minusHortobagyi image
Cosmarium depressum f. minus_('minor')U.C. Pandey & D.C. Pandey image
Cosmarium depressum f. minutumHeimerl Verh. Zool.-Bot. Ges. Wien 41: 598, pl. V: fig. 10 1891
Cosmarium depressum f. minutumU.C. Pandey & D.C. Pandey J. Indian Bot. Soc. 59: 247, fig. 11 1980
Cosmarium depressum f. minutum_('minuta')Heimerl image
Cosmarium depressum f. spinosumA.K.N. Islam & H.M. Irfanullah Bangladesh Journal of Plant Taxonomy 13: 11, pl. 7: fig. 70 2006
Cosmarium depressumKützing image
Cosmarium depressum var. achondrum(Boldt) W. West & G.S. West Monogr. Brit. Desmid. II: 177, pl. LXII: figs. 6-9 1905
Cosmarium depressum var. apertum(W.B. Turner) Hirano image
Cosmarium depressum var. brunneum(Schmidle) Krieger & Gerloff image
Cosmarium depressum var. circulareKrieger & Gerloff image
Cosmarium depressum var. divergensBehre image
Cosmarium depressum var. elevatumBorge Ark. Bot. 15{13}: 34, pl. 3: fig. 6 1918
Cosmarium depressum var. excavatumMessikommer image
Cosmarium depressum var. granulatumW.B. Turner image
Cosmarium depressum var. holsaticumHomfeld image
Cosmarium depressum var. japonicumHirano image
Cosmarium depressum var. mediopunctatumCroasdale image
Cosmarium depressum var. minus_('minor')West image
Cosmarium depressum var. minutum(Heimerl) Krieger & Gerloff image
Cosmarium depressum var. planctonicumReverdin Arch. Sci. Phys. et Nat., ser. 5, 1: 450, text-figs. 94-104 1919
Cosmarium depressum var. reniformeWest & G.S. West Monogr. Brit. Desmid. II: 178, pl. LXII: fig. 10 1905
Cosmarium depressum var. reniformeWest & West image
Cosmarium depressum var. schroederiKrieger & Gerloff image
Cosmarium depressum var. truncatumS. Yacubson Rev. Algol., ser. 2 11: 111, pl. V: fig. 51 1974
Cosmarium diadema var. majus_('major')Wei image
Cosmarium diademaW. Joshua image
Cosmarium diadematumJ. Schaarschmidt Magyar Tud. Akad. Math. Termész. Köz. 18: 267, fig. 8 1883
Cosmarium diadematumSchaarschmidt image
Cosmarium diamantinumG.J.P. Ramos & C.W.N. Moura in Ramos et al. Phytotaxa 391: 186, figs. 2-6 2019
Cosmarium dichondroidesGrönblad image
Cosmarium dichondrum var. subhexagonumWest & West image
Cosmarium dichondrum var. subpunctulatumBorge image
Cosmarium dichondrum var. tumidumBorge image
Cosmarium dichondrumWest & West image
Cosmarium dichotomumP.F.M. Coesel & M. Dingley Syst. Geogr. Pl. 75: 38, figs. 9, 10 2005
Cosmarium dickii_('dickiei')P.F.M. Coesel image
Cosmarium dickii_(`dickiei')P.F.M. Coesel Cryptog.: Algol. 10: 183 1989
Cosmarium didelta(Turpin) Meneghini image
Cosmarium didymochondrum f. bosniacum_('bosniaca')Gutwinski image
Cosmarium didymochondrum f. tatricum_('tatrica')Gutwinski image
Cosmarium didymochondrumNordstedt image
Cosmarium didymochondrum var. compressumD.B. Williamson & C.F. Carter in Williamson Notulae algarum 30: 1, fig. 1 in D.B. Williamson & C.F. Carter, Quekett Journal of Microscopy 42: 598. 2016 2017
Cosmarium didymochondrum var. compressumD.B. Williamson & C.F. Carter Quekett Journal of Microscopy 42: 598, 1 fig. 2016
Cosmarium didymochondrum var. novae-guineaeBernard image
Cosmarium didymopentachondrumRoy & Bisset mss. image
Cosmarium didymoprotupsumWest & West image
Cosmarium didymumBernard image
Cosmarium difficile f. laeveScott & Prescott image
Cosmarium difficile f. minus_('minor')Bourrelly image
Cosmarium difficile f. rectangulumD.B. Williamson Bot. J. Scotland 47: 116, fig. 1(1) 1994
Cosmarium difficile f. trigonumInsam & Krieger ex Krieger & Gerloff image
Cosmarium difficile f. trigonum_('trigona')Insam & Krieger image
Cosmarium difficile f. triquetrum_('triquetra')Grönblad image
Cosmarium difficileLütkemüller image
Cosmarium difficile var. constrictumMessikommer image
Cosmarium difficile var. depressumScott & Grönblad image
Cosmarium difficile var. dilatatumBorge image
Cosmarium difficile var. intermediumWoloszynska image
Cosmarium difficile var. interseptum(Jacobsen) Grönblad image
Cosmarium difficile var. messikommeri(H. Croasdale) F.A.C. Kouwets Arch. Protistenk. 148: 41 1997
Cosmarium difficile var. neocaledonicumBourrelly Rev. Hydrobiol. Trop. 17: 107, 111, pl. 2: fig. 159 1985
Cosmarium difficile var. rotundumScott & Grönblad image
Cosmarium difficile var. sinuatumSchmidle image
Cosmarium difficile var. subimpressulumMessikommer image
Cosmarium difficile var. subleveLütkemüller image
Cosmarium difficile var. subreinschiiJ. Ru\*oz\*vička Arch. Protistenk. 114: 467, pl. 60 (misprinted 61): figs. 14-16 1972
Cosmarium difficile var. subreinschiiJ. Ruzicka image
Cosmarium difficillimumPlayfair image
Cosmarium difficiloidesF.A.C. Kouwets Arch. Hydrobiol. Suppl. 137 (Algol. Stud. 101): 37, pl. 2: 11-14 2001
Cosmarium dilatatumJ. Lütkemüller in H. Järnefelt & Grönblad Schweiz. Z. Hydrol. 22: 150, Abb. 1 [= figs. 1-6] 1960
Cosmarium dilatatumJ. Lütkemüller image
Cosmarium dilatatumJ. Lütkemüller ex H. Järnefelt image
Cosmarium dilatatumLütkemüller image
Cosmarium dilatatum var. concavum(J. Siemińska) F.A.C. Kouwets Cryptogamie: Algologie 19: 130 1998
Cosmarium dimaziforme(Grönblad) Scott & Grönblad image
Cosmarium dimaziforme(R. Grönblad) A.M. Scott & Prescott image
Cosmarium dimaziforme var. brasiliense(Grönblad) P. Bourrelly & A. Couté Amazoniana 7: 246 1982
Cosmarium dimaziforme var. concavumFörster & Eckert image
Cosmarium dimaziforme var. floridanumScott & Grönblad image
Cosmarium dimaziforme var. goyazenseFörster & Eckert image
Cosmarium dimaziforme var. undulatumFörster & Eckert image
Cosmarium dingleyiA. Kenins Notulae algarum 13: 1 2016
Cosmarium diplodesmiumSkuja image
Cosmarium diplosporum(Lundell) Lütkemüller Verh. K. Zool.-Bot. Ges. Wien 63: 227 1913
Cosmarium diplosporum f. minus_('minor')Hirano image
Cosmarium diplosporum var. americanum(W. West & G.S. West) Krieger & Gerloff image
Cosmarium diplosporum var. intermedium_('intermedia')Irenee-Marie image
Cosmarium diplosporum var. majus(W. West) Lütkemüller Verh. K. Zool.-Bot. Ges. Wien 63: 228 1913
Cosmarium diplosporum var. minus(J.A. Cushman) Lütkemüller Verh. K. Zool.-Bot. Ges. Wien 63: 228 1913
Cosmarium diplosporum var. ornatum(Fritsch) Krieger & Gerloff image
Cosmarium diplosporum var. stenocarpum(Schmidle) Krieger & Gerloff image
Cosmarium discrepansJ. S\*vt\*vastný & F.A.C. Kouwets Fottea 12: 301, figs. 14-18, 52-57 2012
Cosmarium discretumBennett image
Cosmarium dispersum f. dentiferumG.W. Prescott in Prescott et al. Syn. N. Amer. Desmids 2{3}: 129, pl. CCXXVI: fig. 2 1981
Cosmarium dispersum f. truncatum_('truncata')West & West image
Cosmarium dispersumL.N. Johnson image
Cosmarium dispersum var. truncatum(W. West & G.S. West) Krieger image
Cosmarium dispersum var. wembaerenseSchmidle image
Cosmarium distentum(G.S. West) P. Coesel & K. Meesters Phytotaxa 208: 58 2015
Cosmarium distichoidesG.S. West image
Cosmarium distichumNordstedt image
Cosmarium distichumNordstedt image
Cosmarium distichum var. heterochondrumRaciborski image
Cosmarium distichum var. irregulareEichler & Gutwinski image
Cosmarium distichum var. suboctogonumJao image
Cosmarium distinguendumSkuja image
Cosmarium distortumFörster & Eckert image
Cosmarium distortum var. spinuliferumK. Förster Amazoniana 2: 50, pl. 20: figs. 8, 9 1969
Cosmarium divergensKrieger image
Cosmarium divergentiformeHirano image
Cosmarium docidioidesLütkemüller image
Cosmarium doidgeiFritsch & Rich image
Cosmarium doidgei var. depressumP.F.M. Coesel & A. Van Geest Syst. Geogr. Pls. 79: 16, figs. 5-7 2009
Cosmarium dolabriformeBrandham image
Cosmarium doliformeWest & West image
Cosmarium donnelliiWolle image
Cosmarium dorsirotundatumKrieger image
Cosmarium dorsitruncatiformeGutwinski image
Cosmarium dorsitruncatum(Nordstedt) G.S. West image
Cosmarium dorsitruncatum f. majus_(`major')B. Tracanna Opera Lilloana 35: 114, 125, pl. 47: figs. 2-4 1985
Cosmarium dorsitruncatum var. pseudoscenedesmus(W. West & G.S. West) Krieger & Gerloff image
Cosmarium dorsogranulatumWest & West image
Cosmarium dovrense f. tatricum_('tatrica')Raciborski image
Cosmarium dovrenseNordstedt image
Cosmarium dubium(Turner) Skuja image
Cosmarium dubium(W.B. Turner) Biswas image
Cosmarium dubiumBernard image
Cosmarium dubiumBorge image
Cosmarium dubovianumLütkemüller image
Cosmarium dulciferumW.B. Turner image
Cosmarium duseniiBorge image
Cosmarium dybowskiiGutwinski image
Cosmarium dybowskiiGutwinski image
Cosmarium dybowskii var. majusMessikommer image
Cosmarium eboracenseW. West image
Cosmarium echinodermumHinode image
Cosmarium eckertii(Kurt Förster) G.J.P. Ramos, C.E.M. Bicudo & C.W.N. Moura Notulae algarum 224: 2 2022
Cosmarium eductum f. minus_('minor')W. West J. Bot. (London) 29: 355, no fig. 1891
Cosmarium eductumRoy & Bisset image
Cosmarium eductum var. angustatumW. West image
Cosmarium eductum var. tatricumRaciborski image
Cosmarium eichleriRaciborski image
Cosmarium eichlerianum(Grönblad) Messikommer image
Cosmarium einarteilingiiKrieger & Gerloff image
Cosmarium elaboratum f. majus_(`major')P. Bourrelly & A. Couté Biblioth. Phycol. 86: 70, 189, pl. XXXV: figs. 10, 11 1991
Cosmarium elaboratum f. minus_(`minor')P. Bourrelly & A. Couté Biblioth. Phycol. 86: 70, 189, pl. XXXV: fig. 3 1991
Cosmarium elaboratumWest & West image
Cosmarium elegansBrebisson image
Cosmarium elegansRoy & Bisset image
Cosmarium elegantissimum f. intermediumKaiser image
Cosmarium elegantissimum f. majus_('major')Fritsch & Rich image
Cosmarium elegantissimum f. minus_('minor')Insam & Krieger image
Cosmarium elegantissimum f. minus_('minor')W. West J. Linn. Soc. London, Bot. 29: 164, pl. XXIV: fig. 10 1892
Cosmarium elegantissimum f. minus_(`minor')Insam & Krieger Hedwigia 76: 100, pl. IV: fig. 3 1936
Cosmarium elegantissimumLundell image
Cosmarium elegantissimum var. attenuatumC.E. Bicudo in Prescott et al. Syn. N. Amer. Desmids 2{3}: 132, pl. CCLXXXVII: fig. 8 1981
Cosmarium elegantissimum var. attenuatumW.R. Taylor Amer. J. Botany 22: 770, 776, pl. 1: fig. 8 1935
Cosmarium elegantissimum var. simpliciusW. West & G.S. West image
Cosmarium elegantissimum var. subsimplexGrönblad image
Cosmarium elegantulumMessikommer image
Cosmarium elegantulumMessikommer image
Cosmarium elfvingii f. sulcatum_('sulcata')Lütkemüller image
Cosmarium elfvingii var. altiusSchmidle image
Cosmarium elfvingii_('elfingii')Raciborski image
Cosmarium elgonenseKusel-Fetzmann Hochgebirgsforschung 1: 84, pl. 4: 39; pl. 7: 84, 85 1968
Cosmarium ellipsoidaleBrühl & Biswas image
Cosmarium ellipsoideumElfving image
Cosmarium ellipsoideum f. minus_('minor')Boldt image
Cosmarium ellipsoideum f. minus_('minor')O. Andersson image
Cosmarium ellipsoideum f. minus_('minor')O. Andersson [=Borge] Bih. K. Svenska vet.-Akad. Handl. 16{Afd. III, 5}: 16, fig. 9 1890
Cosmarium ellipsoideum var. borgeiSchmidle Bot. Jahrb. 26: 39 1898
Cosmarium ellipsoideum var. majus_('major')Raciborski image
Cosmarium ellipsoideum var. minus_('minor')Raciborski image
Cosmarium ellipsoideum var. notatumRaciborski image
Cosmarium ellipsoideum var. subellipticumPlayfair image
Cosmarium ellipsoideum var. subfoveatumPlayfair image
Cosmarium ellipticumDelponte image
Cosmarium eloiseanum var. depressumWest & West image
Cosmarium eloiseanum var. scrobiculatumHughes image
Cosmarium eloiseanumWolle image
Cosmarium elongatumRaciborski image
Cosmarium elongatum var. arcticum(Wille) Krieger & Gerloff image
Cosmarium elongatum var. lanceolatum(W.B. Turner) Krieger & Gerloff image
Cosmarium elongatum var. latumKrieger & Gerloff image
Cosmarium elongatum var. subcylindricum(W. West & G.S. West) Krieger & Gerloff image
Cosmarium emarginato-constrictum(Lemmermann) Lemmermann image
Cosmarium emarginatumBharati & Hegde Nova Hedwigia 36: 740, pl. 12: fig. 2 1983
Cosmarium emarginatumRabenhorst image
Cosmarium emarginatum var. curtumSchmidle image
Cosmarium emarginatumWest & West image
Cosmarium emarginulum(Perty) Raciborski image
Cosmarium emarginulum f. helveticum_('helvetica')Raciborski image
Cosmarium emarginulum f. polonicum_('polonica')Raciborski image
Cosmarium engleriSchmidle image
Cosmarium enontekienseGrönblad image
Cosmarium entochondrum var. gilletii_('gilleti')Therezien image
Cosmarium entochondrum var. granulatumP. Bourrelly & A. Couté Biblioth. Phycol. 86: 71, 189, pl. XXXIII: fig. 10 1991
Cosmarium entochondrum var. mediogranulatum(K. Förster & Eckert) K. Förster Arch. Hydrobiol. Suppl. 60(3) (Algol. Stud. 28): 239 1981
Cosmarium entochondrum var. subquinariumScott & Grönblad image
Cosmarium entochondrumWest & West image
Cosmarium erienseTaft image
Cosmarium erosumArcher image
Cosmarium erosumArcher ms. image
Cosmarium erosumDelponte image
Cosmarium etchachanenseRoy & Bisset image
Cosmarium euastriformeGutwinski image
Cosmarium euastroidesDelponte image
Cosmarium euastronW. Joshua image
Cosmarium euroumSkuja image
Cosmarium euroum var. metacystisSkuja image
Cosmarium euryisthmumBrühl & Biswas image
Cosmarium euryophrysSkuja image
Cosmarium euryophrys var. hemisphaericumSkuja image
Cosmarium euteliumSkuja image
Cosmarium everettenseWolle image
Cosmarium exactumKrieger & Bourrelly image
Cosmarium exasperatum var. spinatumScott & Prescott image
Cosmarium exasperatum var. subornatumK. Förster Amazoniana 2: 50, pl. 18: figs. 9, 10 1969
Cosmarium exasperatumW. Joshua image
Cosmarium excavatum f. duplo-majus_('duplo major')Lundell Nova Acta R. Soc. Sc. Upsal., ser. 3, 8{2}: 46, pl. LXXXVI: fig. 5 in Hassall, Brit. Alg. 1871
Cosmarium excavatum f. majus_('major')Boldt image
Cosmarium excavatumNordstedt image
Cosmarium excavatum var. duplo-majus_('duplo-maius')(Lundell) K. Förster Nova Hedwigia 23: 549 1972
Cosmarium excavatum var. ellipticumWille image
Cosmarium excavatum var. horizontale(Schmidle) Strøm image
Cosmarium excavatum var. longumGrönblad image
Cosmarium excavatum var. ornatumBourrelly image
Cosmarium excavatum var. trigonumLagerheim image
Cosmarium excentricumBorge image
Cosmarium excisumWoodhead & Tweed North Western Naturalist 23: 26, fig. 5 1948
Cosmarium excrescensScott & Grönblad image
Cosmarium exiguum f. incrassatumA.M. Scott & Grönblad Acta Soc. Sci. Fenn., n.s. B, 2{8}: 17, pl. 8: figs. 9, 10 1957
Cosmarium exiguum f. incrassatumScott & Grönblad image
Cosmarium exiguum f. maius_('maior')Nordstedt ex Krieger & Gerloff image
Cosmarium exiguum f. minus_('minor')(Reinsch) Lütkemüller image
Cosmarium exiguum f. minus_('minor')W.B. Turner image
Cosmarium exiguum f. ocellatumGrönblad & Croasdale image
Cosmarium exiguum f. pygmaeumScott & Grönblad image
Cosmarium exiguum f. trigonum_('trigona')Nordstedt image
Cosmarium exiguum var. crassumHinode image
Cosmarium exiguum var. dilatatum(Schmidle) Krieger & Gerloff image
Cosmarium exiguum var. hexagonum(Grönblad) Krieger & Gerloff image
Cosmarium exiguum var. incrassatum(A.M. Scott & Grönblad) M.A. Santos & C.W.N. Moura in Ramos et al. Notulae algarum 146: 2 2020
Cosmarium exiguum var. isthmolatumTherezien image
Cosmarium exiguum var. maiusKrieger & Gerloff image
Cosmarium exiguum var. norimbergense(Reinsch) Schmidle image
Cosmarium exiguum var. ocellatum(Schmidle) Krieger & Gerloff image
Cosmarium exiguum var. planum(W. West & G.S. West) Krieger & Gerloff image
Cosmarium exiguum var. pressumWest & West image
Cosmarium exiguum var. subrectangulumWest & West image
Cosmarium exiguumW. Archer Quart. J. Micr. Sci., ser. 2, 4: 178, pl. VI: figs. 32, 33 1864
Cosmarium exile(W.B. Turner) Biswas image
Cosmarium exile(W.B. Turner) West & West image
Cosmarium eximiumWest & West image
Cosmarium exornatumPrintz image
Cosmarium faakenseBeck-Mannagetta image
Cosmarium faberiLütkemüller image
Cosmarium fastidiosum var. quinquestriatumGrönblad image
Cosmarium fastidiosum var. simplexNoda & Skvortzov image
Cosmarium fastidiosumWest & West image
Cosmarium fastigatumA.M. Scott & Grönblad Acta Societatis Scientarum Fennicae, Nova Series B, 2{8}: 17, pl. VII: figs. 8, 9 1957
Cosmarium fastigatumScott & Grönblad image
Cosmarium fastigiatumA.M. Scott & Grönblad ex G.W. Prescott et al. Syn. N. Amer. Desmids 2{3}: 133, 138, 454, 709 1981
Cosmarium favum var. africanumFritsch & Rich image
Cosmarium favum var. indicumJ.P. Keshri & D. Das in Das & Keshri Biblioth. Phycologica 119: 104, pl. VI: figs. 201, 202 2016
Cosmarium favum var. subafricanumFörster & Eckert image
Cosmarium favumWest & West image
Cosmarium feldmanniiBourrelly image
Cosmarium feldmannii var. nasiferum(Grönblad & A.M. Scott) J.A. Rino Revista Ci. Biol., Fac. Ci. Univ. Lourenc\*,o Marques, A, 5: 235 1972
Cosmarium feldmannii var. nasiferum(Grönblad & Scott) J.A. Rino image
Cosmarium femmeasenseK. Förster Arch. Hydrobiol. Suppl. 60(3) (Algol. Stud. 28): 239 1981
Cosmarium fenestratumCorda Alman. Carlsbad 9: 243, pl. V: fig. 29 1839
Cosmarium fictopraemorsumK. Förster Arch. Hydrobiol. Suppl. 60(3) (Algol. Stud. 28): 239, pl. 38: figs. 1, 2 (in Skuja, Nov. Act. Reg. Soc. Sci. Upsal., ser. 4, 18(3). 1964) 1981
Cosmarium finlandicumG.W. Prescott in Prescott et al. Syn. N. Amer. Desmids 2{3}: 138 1981
Cosmarium finlandicum var. subetchachanense(Grönblad) G.W. Prescott in Prescott et al. Syn. N. Amer. Desmids 2{3}: 139 1981
Cosmarium finmarkiaeBorge image
Cosmarium flavumRoy & Bisset image
Cosmarium floridanumLütkemüller Verh. K. Zool.-Bot. Ges. Wien 63: 228 1913
Cosmarium floridanum var. ambadienseGrönblad & Scott image
Cosmarium floridanum var. brasilienseGrönblad image
Cosmarium floriferumG.S. West image
Cosmarium fluviatilePlayfair image
Cosmarium foersteriMessikommer image
Cosmarium foersteriSchmidle image
Cosmarium fontarabiense f. majus_('maius')(Irénée-Marie) H. Croasdale in Prescott et al. Syn. N. Amer. Desmids 2{3}: 140 1981
Cosmarium fontarabienseH. Croasdale in Prescott et al. Syn. N. Amer. Desmids 2{3}: 139, pl. CLXXXVII: fig. 13 1981
Cosmarium fontigenum f. pseudofontigenum(Gutwiński) Borzecki Rozpr. Wydz. Mat.-Przyr. Polsk. Akad. Umiej., ser. 3, 19B: 23 1920
Cosmarium fontigenumNordstedt image
Cosmarium forcepsBrühl & Biswas image
Cosmarium formosulum f. tatricum(Gutwiński) Prescott et al. Syn. N. Amer. Desmids 2{3}: 142 1981
Cosmarium formosulum f. wisemanienseCroasdale image
Cosmarium formosulumHoff image
Cosmarium formosulum var. aequatorienseNordstedt image
Cosmarium formosulum var. depauperatumGutwinski image
Cosmarium formosulum var. hyperevolutumMessikommer image
Cosmarium formosulum var. inordinatumKiseleva image
Cosmarium formosulum var. mesochondrium(Schmidle) Hirano image
Cosmarium formosulum var. nathorstii(Boldt) West & West image
Cosmarium formosulum var. pergranulatumMessikommer image
Cosmarium formosulum var. pergranulatumMessikommer image
Cosmarium formosulum var. poljanaePevalek image
Cosmarium forteW.B. Turner image
Cosmarium foveatumSchmidle image
Cosmarium franconicumGutwinski image
Cosmarium franconicumGutwiński Bot. Centralbl. 43: 68 1890
Cosmarium franzstoniiTaft image
Cosmarium franzstonii var. subarcticumCroasdale image
Cosmarium freemanii var. duplexP. Bourrelly & A. Couté Biblioth. Phycol. 86: 72, 190, pl. XXXIV: figs. 10, 11 1991
Cosmarium freemanii var. ocellatumKrieger image
Cosmarium freemanii var. ornatumP. Bourrelly & A. Couté Biblioth. Phycol. 86: 73, 190, pl. XXXIV: fig. 9 1991
Cosmarium freemanii var. polytuberculatumP. Bourrelly & A. Couté Biblioth. Phycol. 86: 73, 190, pl. XXXIV: fig. 8 1991
Cosmarium freemanii var. verrucosumScott & Prescott image
Cosmarium freemaniiWest & West image
Cosmarium freystadtienseGrönblad image
Cosmarium friedaeSchmidle image
Cosmarium fritschiiHodgetts image
Cosmarium fruticosumA. Van Geest & P. Coesel Phytotaxa 387: 125, figs. 6, 17, 23 2019
Cosmarium fuelleborniformeP.F.M. Coesel & A. Van Geest Syst. Geogr. Pls. 79: 17, figs. 22, 23 2009
Cosmarium fuellebornii_('Füllebornei')Schmidle image
Cosmarium furcatospermum var. bipyrenoidosumCompère image
Cosmarium furcatospermum var. fallaxY. Kanetsuna Phycol. Res. 50: 106, figs. 30, 31, 77, 78 2002
Cosmarium furcatospermum var. koreanum_('koreana')Skvortzov image
Cosmarium furcatospermum var. maiusG.W. Prescott in Prescott et al. Syn. N. Amer. Desmids 2{3}: 143 1981
Cosmarium furcatospermum var. tumidumGrönblad image
Cosmarium furcatospermumW. West & G.S. West image
Cosmarium furcatumFörster & Eckert image
Cosmarium fuseenseHirano image
Cosmarium fusumRoy & Bisset image
Cosmarium galeatumA. Van Geest & P. Coesel Phytotaxa 387: 125, figs. 5, 15, 16 2019
Cosmarium galeritumNordstedt image
Cosmarium galeritum var. borgeiKrieger & Gerloff image
Cosmarium galeritum var. carpaticumPalamar-Mordvintseva Ukr. Bot. Zhurn. 42{2}: 56, figs. 1.10, 1.11 1985
Cosmarium galeritum var. granulatumSuxena & Venkateswarlu image
Cosmarium galeritum var. latum(Rich) Krieger & Gerloff image
Cosmarium galeritum var. minusReinsch image
Cosmarium galeritum var. minusWille image
Cosmarium galeritum var. muelleri(Schmidle) Krieger & Gerloff image
Cosmarium galeritum var. retusumG.S. West image
Cosmarium galeritum var. subtumidumBorge image
Cosmarium galeritum var. unicentricumGrönblad image
Cosmarium galeritum var. westiiKrieger & Gerloff image
Cosmarium galeritumW. West & G.S. West image
Cosmarium galiciense(R. Gutwiński) De-Lamonica-Freire & Heckman Int. Revue ges. Hydrobiol. 81: 276 1996
Cosmarium galpiniiClaassen image
Cosmarium gangenseW.B. Turner image
Cosmarium garrolense f. dimidio-minus_('dimidio-minor')Grönblad image
Cosmarium garrolenseRoy & Bisset image
Cosmarium garrolense var. crassumC.C. Jao Bot. Bull. Acad. Sin. 3: 51, fig. 1:38 1949
Cosmarium garrolense var. crassumJao image
Cosmarium garrolense var. dimidio-minus_('dimidio-minor')(Grönblad) Krieger & Gerloff image
Cosmarium garrolense var. minus_('minor')Kidd & Wade image
Cosmarium garrolense var. pyramidatumKrieger & Gerloff image
Cosmarium garrolense var. rodenseKrieger & Gerloff image
Cosmarium garrolense var. subundulatum(Schmidle) Krieger & Gerloff image
Cosmarium garrolense var. tholiforme(Taylor) Krieger & Gerloff image
Cosmarium gauthieraeJ. S\*vtastný & J. Neustupa Cryptogamie: Algologie 29: 256, figs. 1-13 2008
Cosmarium gayanumDe Toni Syll. alg. 1: 994 1889
Cosmarium gayanum f. kerguelense_('kerguelensis')Wille image
Cosmarium gayanum f. olympicum_('olympica')Petkov image
Cosmarium gayanum var. eboracense(West) West & West image
Cosmarium gayanum var. rotundatum_('rotundata')Fritsch image
Cosmarium gayiiGutwinski image
Cosmarium gbulienseWoodhead & Tweed image
Cosmarium geminatum f. berolinense_('berolinensis')Raciborski image
Cosmarium geminatum f. lapponicumFörster image
Cosmarium geminatum f. ornatumBehre image
Cosmarium geminatum f. polonicum_('polonica')Eichler & Gutwinski image
Cosmarium geminatum f. polonicum_('polonica')Eichler image
Cosmarium geminatum f. suecicum_('suecica')Raciborski image
Cosmarium geminatumLundell image
Cosmarium geminatum var. hexastichumVoronikhin image
Cosmarium geminatum var. rotundatumLütkemüller image
Cosmarium geminatum var. scottiiK. Förster Amazoniana 2: 50, pl. 18: figs. 7, 8 1969
Cosmarium geminatum var. triordinatumP. Bourrelly & A. Couté Biblioth. Phycol. 86: 74, 190, pl. XXXV: fig. 16 1991
Cosmarium gemmaGrönblad & Scott image
Cosmarium gemmatumBrebisson image
Cosmarium gemmatumTurner image
Cosmarium gemmatumWallich mscr. image
Cosmarium gemmiferumBrebisson image
Cosmarium genuosumNordstedt image
Cosmarium genuosumNordstedt image
Cosmarium genuosum var. minusGutwinski image
Cosmarium genuosum var. minusGutwinski image
Cosmarium genuosum var. minusGutwinski image
Cosmarium genuosum var. minusGutwinski image
Cosmarium geometricum var. adoxoidesW. West & G.S. West image
Cosmarium geometricum var. latumPrintz image
Cosmarium geometricum var. pseudoretusiforme(Grönblad) Krieger & Gerloff image
Cosmarium geometricum var. suecicumBorge image
Cosmarium geometricumWest & West image
Cosmarium georgicumReinsch Int. Polarforsch. 1882-1883, Deutsch. Exped. Ergebn. 2: 350, pl. II: fig. 8 1890
Cosmarium gerdaeCompère image
Cosmarium gerstenbergeri f. subreniforme_('subreniformis')P. Richter Hedwigia 34: 25, figs. a-f 1895
Cosmarium gerstenbergeri f. trapeziforme_('trapeziformis')P. Richter Hedwigia 34: 25, figs. a-f 1895
Cosmarium gerstenbergeriP. Richter Hedwigia 34: 25, figs. a-f 1895
Cosmarium gessneriKrieger & Bourrelly image
Cosmarium gibberulumLütkemüller image
Cosmarium gibberulum var. subdistichumGrönblad image
Cosmarium gibbosumBernard image
Cosmarium gietenenseM.C. van Westen & P.F.P. Coesel Desmidiologische Mededelingen 9: 13, fig. 4 2022
Cosmarium giganteum(Y. Thérézien) P.F.M. Coesel Cryptog.: Algol. 8: 132 1987
Cosmarium giganteum(Y. Therezien) P.F.M. Coesel image
Cosmarium ginzbergeriGrönblad Acta Soc. Sci. Fenn. n.s.B, 2{6}: 18, fig. 112 1945
Cosmarium ginzbergeriGrönblad image
Cosmarium ginzbergeri var. ornatumPrescott Phykos 5: 14, pl. III: fig. 14 1967
Cosmarium glaphyronotumWest & West image
Cosmarium glaziovii var. coliferum(Lagerheim) Krieger & Gerloff image
Cosmarium glaziovii var. simplexP. Bourrelly & A. Couté Biblioth. Phycol. 86: 75, 191, pl. XXVII: fig. 21 1991
Cosmarium glazioviiWille image
Cosmarium globosumBulnheim Hedwigia 2: 52, pl. IX:A: fig. 8 1861
Cosmarium globosum f. majus_('major')G.S. West image
Cosmarium globosum f. majus_('major')Wille image
Cosmarium globosum f. majus_('major')Wille image
Cosmarium globosum f. minus_('minor')Boldt image
Cosmarium globosum f. minus_('minor')Wittrock & Nordstedt image
Cosmarium globosum subsp. subarctoumLagerheim in Wittrock & Nordstedt Bot. Not. 1883: 152, no fig. 1883
Cosmarium globosum var. boldtiiKrieger & Gerloff image
Cosmarium globosum var. compressumWille image
Cosmarium globosum var. maius(Wille) Krieger & Gerloff image
Cosmarium globosum var. manguiniiKrieger & Gerloff image
Cosmarium globosum var. minus(Hansgirg) West & West image
Cosmarium globosum var. scrobiculatumBourrelly image
Cosmarium globosum var. scrobiculosumGrönblad image
Cosmarium globosum var. subaltumMessikommer image
Cosmarium globosum var. subarctoumLagerheim image
Cosmarium globosum var. trigonumWille image
Cosmarium globosum var. wolleiW. West & G.S. West Trans. Linn. Soc. London, Bot. 5: 252, pl. 15: fig. 17 1896
Cosmarium globosum var. wolleiWest & West image
Cosmarium globulatumW. & G.S. West image
Cosmarium glyptodermum var. tuberculatumScott & Prescott image
Cosmarium glyptodermumWest & West image
Cosmarium goniodes var. subturgidumWest & West image
Cosmarium goniodes var. triquetrumGrönblad image
Cosmarium goniodes var. variolatumWest & West image
Cosmarium goniodesWest & West image
Cosmarium gonioidesW. West & G.S. West ex G.W. Prescott et al. Syn. N. Amer. Desmids 2{3}: 41, 146, 536, 710 1981
Cosmarium goniostichumSkuja image
Cosmarium gorskiiWoloszynska image
Cosmarium gostyniense(Raciborski) Grönblad image
Cosmarium gostyniense var. foersteriSuxena & Venkateswarlu image
Cosmarium gostyniense var. umbonatum(Turner) Krieger & Gerloff image
Cosmarium gotlandicum var. cambrenseW. Turner image
Cosmarium gotlandicum var. minusWille image
Cosmarium gotlandicumWittrock image
Cosmarium goyazenseFörster & Eckert image
Cosmarium gradatumRoy Scottish Naturalist 27: 203 1890
Cosmarium granatoides(Schmidle) Schmidle Flora 78: 52 1894
Cosmarium granatumBrébisson ex Ralfs Brit. Desmid.: 96, pl. XXXII: fig. 6 1848
Cosmarium granatumBrebisson ex Ralfs image
Cosmarium granatum f. alatum_('alata')Jacobsen image
Cosmarium granatum f. crassum_('crassa')Roll image
Cosmarium granatum f. latius_('latior')Grönblad image
Cosmarium granatum f. latius_('latior')Wille image
Cosmarium granatum f. messikommeriCroasdale image
Cosmarium granatum f. pentagonum_('pentagona')Raciborski image
Cosmarium granatum f. scrobiculatumScott & Prescott image
Cosmarium granatum var. africanumFritsch image
Cosmarium granatum var. angustumHinode image
Cosmarium granatum var. borgeiLagerheim image
Cosmarium granatum var. concavumLagerheim image
Cosmarium granatum var. concavumLagerheim image
Cosmarium granatum var. delpontei_('delpontii')Gutwinski image
Cosmarium granatum var. depressumStrøm image
Cosmarium granatum var. elongatumNordstedt image
Cosmarium granatum var. gibbosumSchmidle image
Cosmarium granatum var. grunoviiRoy & Bisset image
Cosmarium granatum var. hexagonumKlebs image
Cosmarium granatum var. latum(Jacobsen) Förster image
Cosmarium granatum var. latumRich image
Cosmarium granatum var. mirificumJao image
Cosmarium granatum var. nordstedtiiHansgirg image
Cosmarium granatum var. ocellatumWest & West image
Cosmarium granatum var. pyramidale(Schmidle) Krieger & Gerloff image
Cosmarium granatum var. pyramidale_('pyramidalis')Schmidle image
Cosmarium granatum var. raneegungense(W.B. Turner) Krieger & Gerloff image
Cosmarium granatum var. rotundatumKrieger image
Cosmarium granatum var. subangulareWest & West image
Cosmarium granatum var. subgranatumNordstedt Alg. Aq. Dulc. Ins. Sandvic.: 13, pl. II: fig. 8 1878
Cosmarium granatum var. subhammeri_('subhammerii')Jao image
Cosmarium granatum var. triagonaleWille image
Cosmarium granatum var. trigoniumPrintz image
Cosmarium granatum var. typicumKlebs image
Cosmarium granatumW.B. Turner image
Cosmarium grande(Delponte) Biswas image
Cosmarium grande var. cuneatum(Turner) Biswas image
Cosmarium grandiforme var. americanum_('americana')J.A. Cushman image
Cosmarium grandituberculatumOlney image
Cosmarium grandituberculatumOlney image
Cosmarium grantiiRoy & Bisset image
Cosmarium granulatiformeHinode image
Cosmarium granulatumW. West image
Cosmarium granulosumBrühl & Biswas image
Cosmarium granulusculumRoy & Bisset image
Cosmarium gregoriiRoy & Bisset ined. image
Cosmarium gregoryiRoy & Bisset image
Cosmarium gregoryiRoy & Bisset image
Cosmarium gregoryi var. janovienseGutwiński Spraw. Kom. Fizyogr. Akad. Umiej. Krakowie (Mater. Fizyogr. Kraj. II) 28: 128, no fig. 1892
Cosmarium gregoryi var. papilliferumGutwinski image
Cosmarium gretaeF. Steinecke in Gams Int. Revue d. ges. Hydrob. u. Hydrogr. 18: 354, fig. 6 1928
Cosmarium groenbladii(Grönblad) Thomasson image
Cosmarium groenbladiiFörster image
Cosmarium groenbladii f. minus_('minor')Thomasson image
Cosmarium guatemalense var. reductumPrescott image
Cosmarium guatemalenseW.R. Taylor image
Cosmarium guianenseRaciborski image
Cosmarium gutwinskiiPrintz image
Cosmarium gutwinskiiRaciborski image
Cosmarium haaboeliense var. protractumWest & West image
Cosmarium haaboelienseWille image
Cosmarium hammeri f. abscissum_('abscissa')Schmidle image
Cosmarium hammeri f. ellipticumFörster & Eckert image
Cosmarium hammeri f. intermediumP. Reinsch image
Cosmarium hammeri f. majusP. Reinsch image
Cosmarium hammeri f. minimum_('minima')Hortobagyi image
Cosmarium hammeri f. minusReinsch image
Cosmarium hammeri f. minus_('minor')Palamar-Mordvintseva Ukr. Bot. Zhurn. 42{2}: 56, fig. 2.1 1985
Cosmarium hammeri f. octogibbosumReinsch Abh. Senckenberg. Naturf. Ges. 6: 115, pl. XXII:B:I: figs. 13-19 (fide Nordstedt) 1866
Cosmarium hammeri f. tumidumScott & Grönblad image
Cosmarium hammeri f. typicum_('typica')W.B. Turner image
Cosmarium hammeriP. Reinsch image
Cosmarium hammeri var. africanumFritsch image
Cosmarium hammeri var. croasdaleaeKrieger & Gerloff image
Cosmarium hammeri var. elevatumHinode image
Cosmarium hammeri var. hinganicumNoda & Skvortzov image
Cosmarium hammeri var. homalodermum(Nordstedt) W. West & G.S. West image
Cosmarium hammeri var. intermedium(Reinsch) Hansgirg image
Cosmarium hammeri var. minus_('minor')Claassen image
Cosmarium hammeri var. pachydermumReinsch Int. Polarforsch. 1882-1883, Deutsch. Exped. Ergebn. 2: 346, pl. II: fig. 2a-c 1890
Cosmarium hammeri var. palamar-mordvintsevaeO.A. Petlovany in P.M. Tsarenko et al. (eds.) Algae of Ukraine 4: 182, pl. III: figs. 51-53 2015
Cosmarium hammeri var. protuberansWest & West image
Cosmarium hammeri var. retusiformeWille image
Cosmarium hammeri var. samoense(Wille) Krieger & Gerloff image
Cosmarium hammeri var. schmidleiGrönblad & Scott image
Cosmarium hammeri var. scrobiculatumWoodhead & Tweed North Western Naturalist 23: 27, fig. 22 1948
Cosmarium hammeri var. sinuatumBorge image
Cosmarium hammeri var. subangustatumBoldt Öfvers. K. [Svenska] Vet.-Akad. Förh. 42{2}: 101, pl. V: fig. 3 1885
Cosmarium hammeri var. subbinaleNordstedt Bot. Not. 1887: 161, no fig. 1887
Cosmarium hammeri var. sublaeveRaciborski image
Cosmarium hansgirgianumSchmidle image
Cosmarium hardyiG.S. West image
Cosmarium hardyiG.S. West image
Cosmarium haydrichianumSchmidle image
Cosmarium haynaldiiJ. Schaarschmidt Magyar Tud. Akad. Math. Termész. Köz. 18: 267, fig. 5 1883
Cosmarium haynaldiiSchaarschmidt image
Cosmarium haynaldii var. africanumP.F.M. Coesel & A. Van Geest Syst. Geogr. Pls. 79: 18, figs. 11, 12 2009
Cosmarium haynaldii var. ambadiense(Grönblad & A.M. Scott) P.F.M. Coesel & A. Van Geest Syst. Geogr. Pls. 79: 18 2009
Cosmarium heimerlii var. tumidumW. & G.S. image
Cosmarium heimerliiW. West & G.S. West image
Cosmarium helcangulare f. simplexEichler Pamietnik Fizyjograficzny 14{Dzial 3}: 127, pl. 3: fig. 21 1896
Cosmarium helcangulareNordstedt image
Cosmarium helcangulare var. brasilienseKrieger image
Cosmarium helcangulare var. simplex(Eichler) Krieger & Gerloff Gatt. Cosmarium: 323 1969
Cosmarium heliosporumMaskell image
Cosmarium hellbergiiGrönblad & Croasdale image
Cosmarium heptangulareLacoste de Díaz image
Cosmarium herzogiiLemmermann image
Cosmarium heterochondrumNordstedt image
Cosmarium heterochondrum var. isochondrumCouté & Rousselin image
Cosmarium heterochondrum var. mediogemmatum(W. West & G.S. West) W. West & G.S. West image
Cosmarium heterochondrum var. polymorphumP. Bourrelly & A. Couté Biblioth. Phycol. 86: 76, 191, pl. XXIX: fig. 4 1991
Cosmarium heterodentatumHinode image
Cosmarium heterodoxum(W.B. Turner) Biswas image
Cosmarium heterodoxum var. armatum(Turner) Biswas image
Cosmarium heuflerianumGrunow in Rabenhorst Fl. Eur. Alg. III: 172 1868
Cosmarium heuflerianumGrunow ex Rabenhorst image
Cosmarium hexagonoidesBrühl & Biswas image
Cosmarium hexagonumElfving image
Cosmarium hexagonumNordstedt image
Cosmarium hexagonum var. ornatumBorge image
Cosmarium hexalobum f. longumKosinskaya image
Cosmarium hexalobumNordstedt image
Cosmarium hexalobum var. biseriatumKrieger image
Cosmarium hexalobum var. laticepsGrönblad image
Cosmarium hexalobum var. messikommeri_('messikommeri')P. Bourrelly Biblioth. Phycol. 76: 69, pl. XXXVII: figs. 18, 19 1987
Cosmarium hexalobum var. messikommeri_('messikommerii')Bourrelly image
Cosmarium hexalobum var. minus_('minor')Roy & Bisset image
Cosmarium hexalobum var. ornatumWoronichin image
Cosmarium hexalobum var. rossicumBorge image
Cosmarium hexangulare f. simplexEichler Pamietnik Fizyjograficzny 14{Dzial 3}: 127, fig. 21 1896
Cosmarium hexapapillatumJao image
Cosmarium hexapapillatum var. novempapillatumZhu & Hu image
Cosmarium hexastichumLundell Nova Acta R. Soc. Sci. Upsal., ser. 3, 8{2}: 33, pl. III: fig. 13 1871
Cosmarium hexastichum var. nordstedtiiWittrock image
Cosmarium hexastichum var. octastichumNordstedt Lunds Univ. A\*orsskr. 9{Afd. II, 10}: 14, no fig. 1873
Cosmarium hexastichum var. polystichumBoldt Bih. K. Svenska Vet.-Akad. Handl. 13{Afd. III,5}: 23, no fig. 1888
Cosmarium hiansBorge image
Cosmarium hibernicumW. West J. Linn. Soc., London. Botany 29: 163, pl. XXI: fig. 19 1892
Cosmarium hieronymusii f. majus_('major')Schmidle image
Cosmarium hieronymusiiSchmidle image
Cosmarium holmiense f. constrictum_('constricta')Gutwinski image
Cosmarium holmiense f. constrictum_('constricta')Gutwinski image
Cosmarium holmiense f. lobatum(Filarszky) Ruzicka image
Cosmarium holmiense f. majus_('major')Messikommer image
Cosmarium holmiense f. minus_('minor')Maskell image
Cosmarium holmiense f. minutumBeck-Mannagetta image
Cosmarium holmiense f. nepalenseK. Förster Khumbu Himal; Ergebnisse 2: 41, pl. 3: figs. 12, 13; pl. 6: fig. 22 1965
Cosmarium holmiense f. ovaleFörster image
Cosmarium holmiense f. trigonaleSkuja image
Cosmarium holmienseLundell Nova Acta R. Soc. Sci. Upsal., ser. 3, 8{2}: 49, pl. II: fig. 20 1871
Cosmarium holmiense var. africanumKrieger & Gerloff image
Cosmarium holmiense var. attenuatumGutwinski image
Cosmarium holmiense var. hibernicum(W. West) Schmidle Hedwigia 33: 95 1894
Cosmarium holmiense var. integrumLundell image
Cosmarium holmiense var. intermediumGutwinski image
Cosmarium holmiense var. intermediumGutwinski image
Cosmarium holmiense var. kirchnerianumRaciborski image
Cosmarium holmiense var. laticepsKrieger & Gerloff image
Cosmarium holmiense var. lundelliiRaciborski image
Cosmarium holmiense var. minusHansgirg image
Cosmarium holmiense var. minus_('minor')W. Archer in M.C. Cooke Brit. desm. 97, pl. XXXVII: fig. 15 1887
Cosmarium holmiense var. nanumGutwinski image
Cosmarium holmiense var. nordstedtiiRaciborski image
Cosmarium holmiense var. punctatum_('punctata')Kirchner image
Cosmarium holmiense var. saxicola_('saxicolum')Raciborski image
Cosmarium holmiense var. trigonumNordstedt image
Cosmarium holmiense var. undatumWest & West image
Cosmarium holmiense var. undulatum_('undulata')E. Larsen Meddel. Gronl. 33: 331, pl. VII: fig. 9 1907
Cosmarium holmii f. depauperatum_('depauperata')Boldt image
Cosmarium holmii f. minus_('minor')Boldt image
Cosmarium holmiiWille image
Cosmarium homalodermum f. typicum_('typica')W.B. Turner image
Cosmarium homalodermumNordstedt image
Cosmarium homalodermum var. javanicumBernard image
Cosmarium homalodermum var. maximum_('maxima')Istvanffi image
Cosmarium homalodermum var. maximum_('maxima')Istvanffi image
Cosmarium homalodermum var. minus_('minor')Schmidle image
Cosmarium homalodermum var. rotundatumWille image
Cosmarium homalodermum var. samoense_('samoensis')Wille image
Cosmarium homotaphridiumKrieger & Gerloff Gatt. Cosmarium: 354 1969
Cosmarium hookeriJ. Schaarschmidt image
Cosmarium horikawanumHinode image
Cosmarium horizontale(Schmidle) Cedergren image
Cosmarium horizontale(Schmidle) Cedergren Ark. Bot. 25A{4}: 60 1932
Cosmarium horizontale(Schmidle) F.A.C. Kouwets Arch. Protistenk. 148: 44 1997
Cosmarium hornavanense f. arcticumCroasdale image
Cosmarium hornavanense f. davosienseRuzicka image
Cosmarium hornavanense f. helveticum_('helvetica')Ducellier image
Cosmarium hornavanense f. hybridum_('hybrida')Ruzicka image
Cosmarium hornavanense f. luetkemuelleriRuzicka image
Cosmarium hornavanense f. messikommeriRuzicka image
Cosmarium hornavanense f. ochthodeiforme_('ochthodeiformis')Ruzicka image
Cosmarium hornavanense f. ochthodeiforme_('ochthodeiformis')Ruzicka image
Cosmarium hornavanenseGutwinski image
Cosmarium hornavanense var. dubovianum(Lütkemüller) Ruzicka image
Cosmarium hornavanense var. janoviense(Gutwinski) Ruzicka image
Cosmarium hornavanense var. mesoleium(Nordstedt) Ruzicka image
Cosmarium hornavanense var. minus_('minor')Roubal image
Cosmarium hornavanense var. mirabileRuzicka image
Cosmarium hornavanense var. subtetraophthalmumMessikommer image
Cosmarium horomuiense_('horomuiensis')Hirano image
Cosmarium horridumBorge image
Cosmarium hostensienseJ. S\*vt\*vastný & F.A.C. Kouwets Fottea 12: 302, figs. 19, 58-61 2012
Cosmarium huillenseW. & G.S. West image
Cosmarium humile f. jacuticaI.A. Kisselev Issl. oz. SSSR Gos. Gidrol. Inst. Vyp. 8: 83, figs. 15, 16 1935
Cosmarium humile f. majus_('major')Irenee-Marie image
Cosmarium humile f. minus_('minor')(Schmidle) Schmidle image
Cosmarium humileNordstedt ex De Toni image
Cosmarium humile var. danicum(Børgesen) Schmidle image
Cosmarium humile var. glabratum(Raciborski) Schmidle image
Cosmarium humile var. glabratumSchmidle image
Cosmarium humile var. glabrumGutwinski image
Cosmarium humile var. glabrumGutwinski image
Cosmarium humile var. granulatumNoda & Skvortzov image
Cosmarium humile var. lacustreTaylor image
Cosmarium humile var. lacustreW.R. Taylor Pap. Mich. Acad. Sci. Arts Lett. 19: 254, pl. LI: fig. 30 1934
Cosmarium humile var. ornatumKrieger & Bourrelly image
Cosmarium humile var. pseudodanicumSchmidle image
Cosmarium humile var. raciborskiiSchmidle image
Cosmarium humile var. striatum(Boldt) Schmidle image
Cosmarium humile var. subdanicum(West) Schmidle image
Cosmarium humile var. subhumile(Gutwinski) Schmidle image
Cosmarium humile var. substriatum(Nordstedt) Schmidle Österr. Bot. Z. 45: 389 1895
Cosmarium humile var. velebiticumPevalek Rad Jugoslavenske akademije znanosti i umjetnosti 230: 74, fig. 13 1925
Cosmarium hunanicumJao image
Cosmarium hunyadyanaSchaarschmidt image
Cosmarium hunyadyanumJ. Schaarschmidt Magyar Tud. Akad. Math. Termész. Köz. 18: 264, fig. 4 1883
Cosmarium hyacinthiGutwinski image
Cosmarium hypochondrum f. retusumScott & Grönblad image
Cosmarium hypochondrumScott & Grönblad image
Cosmarium ibicuyense_('ibicuyensis')Lacoste de Díaz image
Cosmarium illudensLütkemüller mscr. image
Cosmarium iltisiiTherezien image
Cosmarium imperialeG.J.P. Ramos & C.W.N. Moura in Ramos et al. Acta Botanica Brasilica 35: 207, fig. 8A-K 2021
Cosmarium impressulumElfving Acta Soc. Fauna et Flora Fenn. 2{2}: 13, pl. I: fig. 9 1881
Cosmarium impressulum f. croasdaleaeFörster image
Cosmarium impressulum f. granulatum_('granulata')Messikommer image
Cosmarium impressulum f. integratum_('integrata')Heimerl image
Cosmarium impressulum f. minus_('minor')Croasdale image
Cosmarium impressulum f. minus_('minor')Manguin image
Cosmarium impressulum f. minus_('minor')W.B. Turner image
Cosmarium impressulum f. scottiiCroasdale image
Cosmarium impressulum f. suborthogonum_('suborthogona')(Raciborski) W. West & G.S. West image
Cosmarium impressulum f. tholiformeTaylor image
Cosmarium impressulum f. tholiformeW.R. Taylor Pap. Mich. Acad. Sci. Arts Lett. 19: 255, pl. XLVIII: fig. 19 1934
Cosmarium impressulum var. alpicolaSchmidle image
Cosmarium impressulum var. cosandeyiJ. Ru\*oz\*vička Arch. Protistenk. 114: 468 1972
Cosmarium impressulum var. cosandeyiJ. Ruzicka image
Cosmarium impressulum var. crenulatumKrieger & Gerloff image
Cosmarium impressulum var. granulatum(Messikommer) Krieger & Gerloff image
Cosmarium impressulum var. johorenseBernard image
Cosmarium impressulum var. minus_('minor')F. Cosandey image
Cosmarium impressulum var. minus_(`minor')F. Cosandey Mém. Soc. Vaud. Sc. Nat. 4: 455, pl. V: fig. 80 1934
Cosmarium impressulum var. octangulare_('octangularis')Hirano image
Cosmarium impressulum var. punctatumStrøm image
Cosmarium impressulum var. suborthogonum_('suborthogona')(Raciborski) Taft image
Cosmarium impressulum var. trigonumKrieger & Gerloff image
Cosmarium inaequalinotatumScott & Grönblad image
Cosmarium inaequalipellicum f. minus_('minor')West & West image
Cosmarium inaequalipellicumWest & West image
Cosmarium inaneW.B. Turner image
Cosmarium incavatum f. tchadenseCompère image
Cosmarium incavatum var. planumW.B. Turner image
Cosmarium incavatumW.B. Turner image
Cosmarium incertum f. consociatumCroasdale image
Cosmarium incertum f. galiciense_('galiciensis')Gutwinski image
Cosmarium incertum f. galiciense_('galiciensis')R. Gutwiński Rozpr. Akad. Umiej. [Kraków] Wydz. Mat.-Przyr., ser. 2, 13: 55, pl. VI: fig. 26 1896
Cosmarium incertumSchmidle image
Cosmarium incertum var. borgeiKrieger & Gerloff image
Cosmarium incertum var. galiciense(Gutwinski) Krieger & Gerloff image
Cosmarium incertum var. groenlandicumGutwinski image
Cosmarium incertum var. groenlandicumGutwinski image
Cosmarium incisumRaciborski image
Cosmarium incisumW. Joshua image
Cosmarium inclusumBorge image
Cosmarium inconspicuum f. majus_('major')Milovanovic image
Cosmarium inconspicuum f. minus_('minor')Irenee-Marie image
Cosmarium inconspicuum var. skujaeGrönblad image
Cosmarium inconspicuumWest & West image
Cosmarium incrassatoplicatumHinode image
Cosmarium incrassatum(F.E. Fritsch & F. Rich) image
Cosmarium incrassatum(F.E. Fritsch & M.F. Rich) W. Krieger & J. Gerloff Gattung Cosmarium: 19 1962
Cosmarium incrassatumPlayfair image
Cosmarium incrassatum var. amazonenseFörster image
Cosmarium incrassatum var. brasilienseFörster image
Cosmarium incrassatum var. brasilienseK. Förster Amazoniana 2: 51, pl. 18: figs. 1, 2 1969
Cosmarium incrassatum var. schmidlei(Printz) Krieger & Gerloff image
Cosmarium incurvumJ. Lütkemüller ex Grönblad Acta Soc. Sci. Fenn., Ser. B, 2{5}: 38, pl. II: figs. 28, 29 1942
Cosmarium incurvumJ. Lütkemüller ex R. Grönblad image
Cosmarium incurvumSkuja image
Cosmarium incusBrebisson image
Cosmarium indentatumGrönblad image
Cosmarium indentatum var. ellipticumA.M. Scott & Grönblad Acta Soc. Sci. Fenn. n.s.B, 2{8}: 18, pl. 8: fig. 15 1957
Cosmarium indentatum var. ellipticumScott & Grönblad image
Cosmarium indicumW.B. Turner image
Cosmarium induratumGutwinski image
Cosmarium inferum(W.B. Turner) Biswas image
Cosmarium infirmum f. minus_('minor')Grönblad image
Cosmarium infirmumGrönblad image
Cosmarium infirmum var. minus(Grönblad) Krieger & Gerloff image
Cosmarium inflatumWolle image
Cosmarium innotumW.B. Turner image
Cosmarium inornatumW. Joshua image
Cosmarium insamii var. granuliferumGrönblad image
Cosmarium insamii_('insami')Insam & Krieger image
Cosmarium insigneSchmidle image
Cosmarium insigneSchmidle Ber. Naturf. Ges. Freiburg 7: 100, pl. VI: fig. 14 1893
Cosmarium insigneW.B. Turner Alg. Ind. Orient.: 58, pl. VIII: fig. 46 1893
Cosmarium insulare(Wittrock) Schmidle image
Cosmarium integerrimumKützing Species algarum: 174 1849
Cosmarium integerrimumRaciborski image
Cosmarium integerrimumRaciborski Pam. Akad. Umiej. Krakowie, Mat.-Przyr. 17: 77, pl. V(I): fig. 35 1889
Cosmarium intermediumDelponte image
Cosmarium intermedium f. minus_('minor')Schmidle image
Cosmarium intermedium var. majus_('major')Irenee-Marie & Hilliard image
Cosmarium inusitatumK. Förster & Eckert image
Cosmarium iracouboenseTherezien image
Cosmarium irregulareWolle image
Cosmarium ishimadaeSkvortzov & Noda image
Cosmarium isthmium f. hibernicum_('hibernica')W. West & G.S. West image
Cosmarium isthmium var. brasilienseGrönblad image
Cosmarium isthmium var. horizontaleSchmidle Bih. Kongl. Svenska Vetensk.-Akad. Handl. 24(Afd. III, 8): 31, pl. I: fig. 40 1898
Cosmarium isthmium var. willeiW. West image
Cosmarium isthmiumW. West image
Cosmarium isthmochondrum f. bipapillatumCompère image
Cosmarium isthmochondrum f. integrum_('integra')Schmidle image
Cosmarium isthmochondrumNordstedt image
Cosmarium isthmochondrum var. achondrumW.B. Turner image
Cosmarium isthmochondrum var. asymmetricumScott & Grönblad image
Cosmarium isthmochondrum var. biseriatumWest & West image
Cosmarium isthmochondrum var. brasilienseBorge image
Cosmarium isthmochondrum var. decussiferum(O.Borge) Croasdale image
Cosmarium isthmochondrum var. groenbladii(K. Förster) K. Förster Arch. Hydrobiol. Suppl. 60(3) (Algol. Stud. 28): 240 1981
Cosmarium isthmochondrum var. ornatumBorge image
Cosmarium isthmochondrum var. pergranulatumWest & West image
Cosmarium isthmochondrum var. variabileMessikommer image
Cosmarium isthmocymatiumSkuja image
Cosmarium istvanffiiGutwinski image
Cosmarium itatiayaeKrieger image
Cosmarium jaoiF.A.C. Kouwets Cryptogamie: Algologie 19: 131 1998
Cosmarium javanicumNordstedt image
Cosmarium javanicum var. elongatumKrieger & Gerloff image
Cosmarium javanicum var. latumLütkemüller image
Cosmarium javanicum var. perpastum(W.B. Turner) Krieger & Gerloff image
Cosmarium javanicum var. profundo-constrictumFritsch image
Cosmarium javanicum var. williamsoniiP.F.M. Coesel Nord. J. Bot. 20: 377, figs. 46 2000
Cosmarium javenseBernard image
Cosmarium jelskiiWoloszynska image
Cosmarium jemtlandicumGrönblad image
Cosmarium jenisejenseBoldt image
Cosmarium jenisejense var. australePlayfair image
Cosmarium jenisejense var. bicrenatumGutwinski image
Cosmarium jenisejense var. bicrenatumGutwinski image
Cosmarium jenisejense var. notatum(Grönblad) Förster image
Cosmarium jenisejense var. notatum(Grönblad) Förster image
Cosmarium jenisejense var. rectangulumGutwinski image
Cosmarium joadjense M. Dingley Telopea 9: 611, fig. 2 2002
Cosmarium johnsonii(W. West & G.S. West) Grönblad image
Cosmarium johnsoniiW. West & G.S. West image
Cosmarium johorenseBernard image
Cosmarium joshuaeW.B. Turner image
Cosmarium jugatumP.F.M. Coesel Syst. Geogr. Pl. 77: 8, figs. 12-15 2007
Cosmarium jundzilliiRaciborski image
Cosmarium jundzillii var. podlachicumEichler & Gutwinski image
Cosmarium kaiseriMessikommer image
Cosmarium kamiyamenseHinode image
Cosmarium kanadenseG.R. Hegde & S.W. Isaacs The Journal of the Bombay Natural History Society 86: 88, fig. 2 1989
Cosmarium kanetsunaeG.J.P. Ramos & C.W.N. Moura in Ramos et al., Phytotaxa 483: 294 2021
Cosmarium kangofurinenseWoodhead & Tweed image
Cosmarium kanitziiJ. Schaarschmidt Magyar Tud. Akad. Math. Termész. Köz. 18: 268, fig. 6 1883
Cosmarium kanitziiSchaarschmidt image
Cosmarium kanitzii var. brasilienseGrönblad Acta Soc. Sci. Fenn., Ser. B, 2{6}: 19, pl. VI: fig. 119 1945
Cosmarium kanitzii var. brasilienseR. Grönblad image
Cosmarium karibanumP.F.M. Coesel & A. Van Geest Syst. Geogr. Pls. 79: 20 2009
Cosmarium karlinskiiGutwinski image
Cosmarium kazanowskiiWoloszynska image
Cosmarium kilimanenseSchmidle image
Cosmarium kirchneriBørgesen Bot. Tidsskr. 17: 143 (D), 150 (L), pl. 6: fig. 3 1889
Cosmarium kirchneriBørgesen image
Cosmarium kirchneri var. uniformeWest & West image
Cosmarium kitamuranumHirano image
Cosmarium kitamuranumHirano image
Cosmarium kitcheliiWolle Bull. Torrey Bot. Club 9: 26, pl. 13: figs. 3, 3', 3'' 1882
Cosmarium kivuenseConrad image
Cosmarium kjellmanii f. minus_('minor')Gutwinski image
Cosmarium kjellmanii subsp. grandeWille image
Cosmarium kjellmanii var. grande(Wille) W. West & G.S. West image
Cosmarium kjellmanii var. ornatumWille image
Cosmarium kjellmanii var. podolicumGutwinski image
Cosmarium kjellmanii_('kjellmani')Wille image
Cosmarium klebsianumW.B. Turner image
Cosmarium klebsiiGutwinski image
Cosmarium klebsii var. subpunctulatumSchmidle image
Cosmarium klebsii_('klebsi')Gutwinski image
Cosmarium kolkwitziiKrieger image
Cosmarium kosteiK. Thomasson Bot. Not. 130: 41, figs. 1 C-E, 4 1977
Cosmarium kotilainenseGrönblad image
Cosmarium kouwetsiiM.C. Van Westen & P.F.M. Coesel Phytotaxa 385: 6 2018
Cosmarium krkensePevalek image
Cosmarium ktenophorumSkuja image
Cosmarium kuetzingianum(Reinsch) J.E. Weiss image
Cosmarium kufferathiiVan Oye image
Cosmarium kwangsienseJao image
Cosmarium labiatumBorge image
Cosmarium laciniatumW.B. Turner image
Cosmarium lacunatumG.S. West image
Cosmarium lacustre(W.R. Taylor) K. Förster Arch. Hydrobiol. Suppl. 60(3) (Algol. Stud. 28): 240 1981
Cosmarium lacustreBrühl & Biswas image
Cosmarium laeve f. acuminatum_('acuminata')Fritsch & Stephens image
Cosmarium laeve f. lacustreB. Tracanna Opera Lilloana 35: 116, 125, pl. 48: figs. 10, 12, 17 1985
Cosmarium laeve f. majus_('major')Irenee-Marie image
Cosmarium laeve f. majus_('major')West & West image
Cosmarium laeve f. maximum_('maxima')Pevalek image
Cosmarium laeve f. minus_('minor')W.B. Turner image
Cosmarium laeve f. protuberans(Scott & Prescott) Krieger & Gerloff image
Cosmarium laeve f. protuberansScott & Prescott image
Cosmarium laeve f. rotundatum_('rotundata')Fritsch & Stephens image
Cosmarium laeve f. rotundatum_(`rotundata')Fritsch & Stephens Trans. Roy. Soc. South Africa 9: 35, fig. 11 F 1921
Cosmarium laeve f. typicaFritsch & Stephens Trans. Roy. Soc. South Africa 9: 35 1921
Cosmarium laeveRabenhorst Fl. Eur. Alg. III: 161 1868
Cosmarium laeve var. acervatumFörster & Eckert image
Cosmarium laeve var. africanumKrieger & Gerloff image
Cosmarium laeve var. brasilienseCroasdale image
Cosmarium laeve var. cymatiumWest & West image
Cosmarium laeve var. depressumCroasdale image
Cosmarium laeve var. distentumG.S. West Ann. S. African Mus. 9: 86, fig. 48 1912
Cosmarium laeve var. gotlandiaeKrieger & Gerloff image
Cosmarium laeve var. hispanicum_('hispanica')Lewin image
Cosmarium laeve var. majusClaassen image
Cosmarium laeve var. meridenseS. Yacubson Rev. Algol., ser. 2 11: 114, pl. VII: fig. 76; pl. XI: fig. 97 1974
Cosmarium laeve var. messikommeriH. Croasdale in G.W. Prescott et al. Syn. N. Amer. Desmids 2{3}: 168 1981
Cosmarium laeve var. minimumW. & G.S. West image
Cosmarium laeve var. octangulare_('octangularis')(Wille) West & West image
Cosmarium laeve var. pseudo-octangulare_('pseudo-octangularis')Fritsch image
Cosmarium laeve var. reniformeHirano image
Cosmarium laeve var. rotundatumE. Messikommer Vierteljahrsschr. Naturf. Ges. Zürich 80(Beiblatt 24): 47, pl. III: fig. 25 1935
Cosmarium laeve var. rotundatumMessikommer image
Cosmarium laeve var. septentrionale_('septemtrionale')Wille image
Cosmarium laeve var. tumidumGrönblad image
Cosmarium laeve var. undulatum_('undulata')Schmidle Ber. Deutsch. Bot. Ges. 11: 548, pl. 28: fig. 5 1894
Cosmarium laeve var. westiiKrieger & Gerloff image
Cosmarium lagenarioides(Roy) Carter image
Cosmarium lagenariumCorda ex Ralfs Brit. Desmid.: 212, pl. 2: fig. 26 in Corda, Almanach Carlsbad 1835 1848
Cosmarium lagenariumCorda Alman. Carlsbad 5: 206, pl. II: fig. 26 1835
Cosmarium lagenariumCorda Alman. Carlsbad 9: 243 1839
Cosmarium lagerheimianum(W.B. Turner) Biswas image
Cosmarium lagerheimianumW.B. Turner image
Cosmarium lagerheimiiGutwinski image
Cosmarium lagerheimiiGutwinski image
Cosmarium lagerheimii var. papillosumKrieger & Gerloff image
Cosmarium lagoense(Nordstedt) Nordstedt image
Cosmarium lagoense var. amoebumFörster & Eckert image
Cosmarium lagoense var. borgeiG. Tell & A. Couté Protistologica 15: 634, pl. I: figs. 4-6; pl. II: figs. 4-6; pl. II: figs. a, b 1979
Cosmarium lagoense var. cornigerumNordstedt Öfvers. K. [Svenska] Vet.-Akad. Förh. 34{3}: 20, pl. II: fig. 6 1877
Cosmarium lagoense var. floridensG. Tell & A. Couté Protistologica 15: 634, pl. I: figs. 1-3; pl. II: figs. 1-3; pl. II: figs. c-p 1979
Cosmarium lagoense var. octihastatumK. Förster Amazoniana 2: 52, pl. 20: fig. 5 1969
Cosmarium lamyfortanumCompère image
Cosmarium lanceolatum f. turgidumGrönblad image
Cosmarium lapeanumC. Bicudo & Ventrice image
Cosmarium lapponicumBorge image
Cosmarium lapponicum var. granulatumHirano image
Cosmarium lapponicum var. undulatumBorge image
Cosmarium lasiosparumArcher image
Cosmarium latereprotractumPlayfair image
Cosmarium latereundatusRoy & Bisset ms. image
Cosmarium laticepsGrunow ex Rabenhorst image
Cosmarium laticolle var. rotundatumHirano image
Cosmarium laticollumDelponte image
Cosmarium laticollum var. minutumY. Kanetsuna Phycol. Res. 52: 163, figs. 10-12, 27-30 2004
Cosmarium latifrons f. rectangularePalamar-Mordvintseva Ukr. Bot. Zhurn. 42{2}: 57, fig. 2.7 1985
Cosmarium latifronsLundell image
Cosmarium latifrons var. borgeiGutwinski image
Cosmarium latifrons var. borgeiGutwinski image
Cosmarium latifrons var. minus_('minor')J. Sampaio image
Cosmarium latifrons var. minus_('minor')Skuja image
Cosmarium latifrons var. sibericumLagerheim image
Cosmarium latipyramidatumScott & Grönblad image
Cosmarium latumBrebisson image
Cosmarium latum f. minus_('minor')Boldt image
Cosmarium latum var. margaritatumLundell image
Cosmarium latum var. minus_('minor')Boldt Bih. K. Svenska Vet.-Akad. Handl. 13{Afd. III, 5}: 26, no fig. 1888
Cosmarium latum var. minus_('minor')Roy & Bisset Ann. Scot. Nat. Hist. 3: 105 (Apr. 1894), pl. II: fig. 11 (Jan. 1894) 1894
Cosmarium lauterbachiiSchmidle image
Cosmarium laxumHinode image
Cosmarium leiodermum(Gay) Hansgirg image
Cosmarium lenzenwegeriJ. S\*vt\*vastný & F.A.C. Kouwets Fottea 12: 2 2012
Cosmarium lepidumW. West image
Cosmarium levinotabile f. latius(F. Gay) H. Croasdale in Prescott et al. Syn. N. Amer. Desmids 2{3}: 173 1981
Cosmarium levinotabile f. medium(Gutwiński) H. Croasdale in Prescott et al. Syn. N. Amer. Desmids 2{3}: 173 1981
Cosmarium levinotabileH. Croasdale in Prescott et al. Syn. N. Amer. Desmids 2{3}: 172, pl. CXCVIII: figs. 1-5 1981
Cosmarium levinotabile var. benedictum(Ducellier) H. Croasdale in Prescott et al. Syn. N. Amer. Desmids 2{3}: 173 1981
Cosmarium levinotabile var. heterocrenatum(W. West & G.S. West) H. Croasdale in Prescott et al. Syn. N. Amer. Desmids 2{3}: 173 1981
Cosmarium libongense var. inevolutumG.S. West image
Cosmarium libongenseW. & G.S. West image
Cosmarium lidanumRaciborski image
Cosmarium ligoniforme f. undulatumHegde image
Cosmarium ligoniforme var. borgeiKrieger & Gerloff image
Cosmarium ligoniforme var. crassumFörster image
Cosmarium ligoniformeW. West & G.S. West image
Cosmarium limaiJ. Sampaio image
Cosmarium limnophilumSchmidle image
Cosmarium lindauiSchmidle image
Cosmarium lindauiSchmidle image
Cosmarium lindiaeP.F.M. Coesel & A. Van Geest Plant Ecology and Evolution 150: 337, figs. 2B,C, 4A-C 2017
Cosmarium lineatumF.M. Costa, G.J.P. Ramos & C.W.N. Moura Phytotaxa 632: 194, figs. 2, 6-14 2023
Cosmarium lineogranulosumP.F.M. Coesel & M. Dingley Syst. Geogr. Pl. 75: 39, figs. 7, 8, 40 2005
Cosmarium lingulatumNoda & Skvortzov image
Cosmarium lobatosporumArcher image
Cosmarium lobatulumWolle image
Cosmarium lobatumBørgesen image
Cosmarium lobatum f. majus_('major')Fritsch & Rich image
Cosmarium lobatum f. minus(G.M. Smith) H. Croasdale in Prescott et al. Syn. N. Amer. Desmids 2{3}: 176 1981
Cosmarium lobatum f. minusG.M. Smith ex Teiling, err. cit. image
Cosmarium lobatum var. ellipticum_('elliptica')Fritsch & Rich image
Cosmarium lobatum var. maius_('maior')(Fritsch & Rich) Krieger & Gerloff image
Cosmarium lobatum var. minus_('minor')(G.M. Smith) Grönblad Acta Soc. Sci. Fenn. n.s.B, 2{6}: 19 1945
Cosmarium lobatum var. minus_('minor')Grönblad image
Cosmarium lobatum var. papillatum(W. West & G.S. West) Krieger & Gerloff image
Cosmarium lobatum var. triquetrumGrönblad image
Cosmarium lobulatumSchmidle image
Cosmarium loefgreniiBorge image
Cosmarium logienseBisset image
Cosmarium logiense f. expansum_('expansa')W. West & G.S. West Monogr. Brit. Desmid. IV: 16, pl. XC: fig. 7 1912
Cosmarium logiense f. minusC. Bicudo image
Cosmarium logiense f. reductum_('reducta')Messikommer image
Cosmarium logiense f. subcirculareD.B. Williamson Arch. Hydrobiol. Suppl. 132 (Algol. Stud. 97): 24, pl. 5: 4', 4" 2000
Cosmarium logiensiformeM.C. Van Westen & P.F.M. Coesel Phytotaxa 443: 113, figs. 1, 20-22, 28 2020
Cosmarium loktakenseBrühl & Biswas image
Cosmarium lomnicenseLütkemüller image
Cosmarium lomnicense var. latumGrönblad image
Cosmarium lomnicense var. silesiacumGrönblad image
Cosmarium longicollumBrühl & Biswas image
Cosmarium longicylindricumScott & Grönblad image
Cosmarium longicylindricum var. indicumJ.P. Keshri & D. Das in Das & Keshri Biblioth. Phycologica 119: 110, pl. VI: figs. 162, 163 2016
Cosmarium longiiTaylor image
Cosmarium lortetianumRabenhorst image
Cosmarium loukaskiniiSkvortzov & Noda image
Cosmarium luapulaenseP.F.M. Coesel & A. Van Geest Plant Ecology and Evolution 150: 337, figs. 1G,H, 4I 2017
Cosmarium luetkemuelleriGrönblad Soc. Sci. Fenn., Comment. Biol. 5{4}: 4 1935
Cosmarium luetkemuelleri var. suboctangulare(W. West) Krieger & Gerloff image
Cosmarium luetzelburgiiKurt Förster & Eckert in Förster Hydrobiologia 23: 395, pl. 23: fig. 2; pl. 42: fig. 17 1964
Cosmarium luetzelburgiiKurt Förster & Eckert image
Cosmarium lunatum var. depressumW. West & G.S. West image
Cosmarium lunatum var. orientaleScott & Prescott image
Cosmarium lunatum var. sparsum(W.B. Turner) Krieger & Gerloff image
Cosmarium lunatumWolle image
Cosmarium lundelliiDelponte image
Cosmarium lundellii f. crassangulatumScott & Prescott image
Cosmarium lundellii f. minusHinode image
Cosmarium lundellii f. minusPrescott image
Cosmarium lundellii f. minusStrøm image
Cosmarium lundellii f. minus_('minor')(Fritsch) Woodhead & Tweed image
Cosmarium lundellii f. minus_('minor')Messikommer image
Cosmarium lundellii f. scrobiculatum_('scrobiculata')Irenee-Marie image
Cosmarium lundellii f. scrobiculatum_('scrobiculata')W. West & G.S. West image
Cosmarium lundellii subsp. corruptum(Turner) Brühl & Biswas image
Cosmarium lundellii var. aethiopicumW. West & G.S. West image
Cosmarium lundellii var. bipunctatumNoda & Skvortzov image
Cosmarium lundellii var. borgeiKrieger & Gerloff image
Cosmarium lundellii var. capense(Nordstedt) Grönblad image
Cosmarium lundellii var. circulare(Reinsch) Krieger image
Cosmarium lundellii var. corruptum(W.B. Turner) W. West & G.S. West image
Cosmarium lundellii var. depressumMessikommer image
Cosmarium lundellii var. dobsinense_('dobsinensis')Uherkovich image
Cosmarium lundellii var. ellipticumWest & West image
Cosmarium lundellii var. japonicumHinode image
Cosmarium lundellii var. madagascarienseW. West & G.S. West image
Cosmarium lundellii var. minus_('minor')Skvortzov & Noda image
Cosmarium lundellii var. nyassae(Schmidle) Krieger image
Cosmarium lundellii var. pachydermumHinode image
Cosmarium lundellii var. pseudotuddalenseJao image
Cosmarium lundellii var. scrobiculatumHinode image
Cosmarium lundellii var. sinenseKrieger & Gerloff image
Cosmarium lundellii var. strusovienseO.A. Petlovany in P.M. Tsarenko et al. (eds.) Algae of Ukraine 4: 198 2015
Cosmarium lundellii var. subangulareW. West & G.S. West image
Cosmarium lundellii var. subcirculareMessikommer image
Cosmarium lundellii var. subellipticumMessikommer image
Cosmarium luscumBorge image
Cosmarium lutetianumF.A.C. Kouwets Cryptogamie: Algologie 19: 132 1998
Cosmarium luxuriosum(F.A.C. Kouwets) P.F.M. Coesel Cryptog.: Algol. 10: 186 1989
Cosmarium luxuriosum var. papilliforme_('papilliformis')D.B. Williamson & C. Johnson Quekett Journal of Microscopy 44(1): 53, figs. 1-5 2021
Cosmarium maamenseD.B. Williamson & D.M. John in D.M. John & D.B. Williamson Desmids of the west of Ireland: 70, pl. 14D 2009
Cosmarium maamense var. fogoense_('fogoensis')C.F. Carter & D.B. Williamson Algological Studies 154: 53, figs. 6.3, 16.1 2018
Cosmarium macrochondrumGrönblad & Scott image
Cosmarium macrosporumW.B. Turner image
Cosmarium maculatiformeSchmidle image
Cosmarium maculatum f. latum_('lata')Hinode image
Cosmarium maculatum var. majus_('major')Jao image
Cosmarium maculatumW.B. Turner image
Cosmarium madagascarienseP.F.M. Coesel Nordic J. Botany 22: 242, figs. 25, 26 2003
Cosmarium magdalenenseW.R. Taylor Amer. J. Botany 22: 776, pl. 1: fig. 2 1935
Cosmarium magellanicum(Borge) Hirano image
Cosmarium magellanicumRaciborski image
Cosmarium magnificumNordstedt image
Cosmarium magnificumNordstedt image
Cosmarium magnificum var. fluviatilePlayfair image
Cosmarium magnificum var. granulorumScott & Prescott image
Cosmarium magnificum var. italicumRaciborski image
Cosmarium magnificum var. minusP.F.M. Coesel Cryptog.: Algol. 10: 186, pl. 3: fig. 4 1989
Cosmarium magnificum var. patagonicumBorge image
Cosmarium magnificum var. sinicumJao image
Cosmarium magnificum var. subcirculareSkuja image
Cosmarium magnificum var. suecicumBorge image
Cosmarium maharastrenseKamat image
Cosmarium majaeStrøm image
Cosmarium majaeformeP.F.M. Coesel & S. Alfinito Nord. J. Bot. 25: 247, figs. 5-8 2007
Cosmarium malinvernianum(Raciborski) Schmidle image
Cosmarium malinvernianum f. tropicum_('tropica')Gutwinski image
Cosmarium malinvernianum var. badenseSchmidle image
Cosmarium malinvernianum var. intermediumGutwinski image
Cosmarium malinvernianum var. intermediumGutwinski image
Cosmarium malinvernianum var. trapeziformeGrönblad image
Cosmarium malleumKrieger image
Cosmarium malleum var. menggalenseScott & Prescott image
Cosmarium malmeiBorge image
Cosmarium malmei var. condensatumTaylor image
Cosmarium mamilliferumNordstedt image
Cosmarium mamilliferum var. amazumNordstedt image
Cosmarium mamilliferum var. basirotundumScott & Grönblad image
Cosmarium mamilliferum var. bituberculatum(Fritsch & Rich) Bourrelly image
Cosmarium mamilliferum var. brasiliense(Borge) P. Bourrelly & A. Couté Amazoniana 7: 246 1982
Cosmarium mamilliferum var. brasiliense(Borge) P. Bourrelly & A. Couté image
Cosmarium mamilliferum var. dubalhatienseA.K.M.N. Islam & A.K.Y. Haroon Int. Revue ges. Hydrobiol. 65: 576, pl. 18: figs. 258, 260 1980
Cosmarium mamilliferum var. madagascarienseWest & West image
Cosmarium mamilliferum var. punctatumKiseleva image
Cosmarium mamillomarginatumGrönblad image
Cosmarium mammillatumBorge image
Cosmarium mandosiiM.C. Van Westen & P.F.M. Coesel Phytotaxa 443: 113, figs. 2, 23-26 2020
Cosmarium mangenotiiBourrelly image
Cosmarium manguiniiBourrelly image
Cosmarium manipurenseBrühl & Biswas image
Cosmarium mansangense var. africanumF.E. Fritsch & M.F. Rich Trans. Roy. Soc. S. Afr. 11: 345, fig. 18D,E 1924
Cosmarium mansangense var. africanumFritsch & Rich image
Cosmarium mansangenseWest & West image
Cosmarium margaritatum(Lundell) Roy & Bisset image
Cosmarium margaritatum f. africanum_('africana')Bourrelly image
Cosmarium margaritatum f. divergensP. Schulz image
Cosmarium margaritatum f. minus_('minor')West & G.S. West J. Bot. (London) 35: 121 1897
Cosmarium margaritatum f. minutum_('minuta')Borzecki image
Cosmarium margaritatum f. pseudoconspersumDick image
Cosmarium margaritatum f. pyramidatumPrescott & Scott image
Cosmarium margaritatum f. subrotundatumWest & G.S. West Monogr. Desmid. IV: 19, pl. C: fig. 1 1912
Cosmarium margaritatum f. subrotundatum_('subrotundata')West & West image
Cosmarium margaritatum var. favum(W. West & G.S. West) Schmidle image
Cosmarium margaritatum var. majus_('major')Schmidle image
Cosmarium margaritatum var. ornatumSchulz image
Cosmarium margaritatum var. quadrumKrieger image
Cosmarium margaritatum var. ridibundumTaylor image
Cosmarium margaritatum var. rotundatumHirano image
Cosmarium margaritatum var. sublatum(Nordstedt) Krieger image
Cosmarium margaritatum var. subrotundatum(West & G.S. West) O.A. Petlovany in P.M. Tsarenko et al. (eds.) Algae of Ukraine 4: 199 2015
Cosmarium margaritiferum(Turpin) Meneghini image
Cosmarium margaritiferum f. badense(Schmidle) Coesel image
Cosmarium margaritiferum f. basipapillatumMessikommer image
Cosmarium margaritiferum f. basipapillatum_('basipapillata')Messikommer image
Cosmarium margaritiferum f. calvum_('calva')Schmidle image
Cosmarium margaritiferum f. confusumGistl image
Cosmarium margaritiferum f. incisonotatumBeck-Mannagetta Ve\*vstn. Král. C\*veské Společn. Nauk, Tr\*v. Mat.-Pr\*vír. [Mém. Soc. Roy. Sci. Bohe\*^me, Cl. Sci.] 1926{10}: 10, fig. 18 1927
Cosmarium margaritiferum f. kirchneri(Børgesen) W. West & G.S. West image
Cosmarium margaritiferum f. latum_('lata')(Brebisson) Jacobsen image
Cosmarium margaritiferum f. luxuriosumF.A.C. Kouwets Acta Bot. Neerl. 37: 71, pl. 6: figs. 1-5 1988
Cosmarium margaritiferum f. majusculaHieronymus image
Cosmarium margaritiferum f. minus_('minor')E. Larsen Meddel. Gronl. 33: 332, pl. VII: fig. 10 1907
Cosmarium margaritiferum f. regularius_('regularior')(Nordstedt) W. West & G.S. West image
Cosmarium margaritiferum f. trigonum_('trigona')Messikommer image
Cosmarium margaritiferumMeneghini ex Ralfs Brit. Desmid.: 100, pl. XVI: fig. 2; pl. XXXIII: fig. 6 [misprinted fig. 3] 1848
Cosmarium margaritiferum var. badense(Schmidle) P.F.M. Coesel Cryptog.: Algol. 10: 187 1989
Cosmarium margaritiferum var. brasilienseK. Förster Amazoniana 2: 52, pl. 18: fig. 5 1969
Cosmarium margaritiferum var. chinganicumSkvortzov & Noda image
Cosmarium margaritiferum var. egyptiacumNayal image
Cosmarium margaritiferum var. exsertumFritsch & Rich image
Cosmarium margaritiferum var. genuinumKirchner image
Cosmarium margaritiferum var. incisumKirchner image
Cosmarium margaritiferum var. kirchneri(Børgesen) K. Förster Arch. Hydrobiol. Suppl. 60(3) (Algol. Stud. 28): 241 1981
Cosmarium margaritiferum var. punctulatum(Brebisson) Rabenhorst image
Cosmarium margaritiferum var. quinquepunctatumWoodhead & Tweed image
Cosmarium margaritiferum var. reniforme_('reniformis')Ralfs image
Cosmarium margaritiferum var. reniforme_(`reniformis')Ralfs Brit. Desmid.: 100, pl. XVI: fig. 2a 1848
Cosmarium margaritiferum var. retusumBeck-Mannagetta Ve\*vstn. Král. C\*veské Společn. Nauk, Tr\*v. Mat.-Pr\*vír. [Mém. Soc. Roy. Sci. Bohe\*^me, Cl. Sci.] 1926{10}: 10, fig. 19 1927
Cosmarium margaritiferum var. tumidumReinsch Int. Polarforsch. 1882-1883, Deutsch. Exped. Ergebn. 2: 347, pl. II: fig. 7 1890
Cosmarium margaritumWolle image
Cosmarium margigranulatumF.M. Costa & C.W.N. Moura in Costa et al. Phytotaxa 632: 197, figs. 3, 15-18 2023
Cosmarium marginitumCedergren image
Cosmarium margispinatumHirano image
Cosmarium marocanumJ. Darley & A. Couté Cryptog.: Algol. 4: 103, pl. I, tab. I 1983
Cosmarium maskelliiH. Croasdale in H. Croasdale & E.A. Flint Fl. New Zealand: Desmids 2: 75 1988
Cosmarium mateyucenseP.F.M. Coesel Cryptog.: Algol. 8: 132, pl. III: figs. 1, 2 1987
Cosmarium maximum(Børgesen) W. & G.S. West image
Cosmarium maximum var. clausumKrieger & Gerloff image
Cosmarium maximum var. latumScott image
Cosmarium maximum var. minus_('minor')W. & G.S. West image
Cosmarium maximum var. natalenseKrieger & Gerloff image
Cosmarium maximum var. semicirculareKrieger image
Cosmarium mayorii_('mayori')G.S. West image
Cosmarium mbabanicumD.B. Williamson Arch. Hydrobiol. Suppl. 99: 459, pl. 18: fig. 4 1994
Cosmarium mbugenseLind image
Cosmarium mediogemmatumW. & G.S. West image
Cosmarium medioglabrumW.B. Turner image
Cosmarium medioleveEichler & Gutwinski image
Cosmarium medioplanumWhelden image
Cosmarium medioretusumP.F.M. Coesel Syst. Geogr. Pl. 77: 8, figs. 16, 17 2007
Cosmarium medioscrobiculatum f. majus_('major')U.C. Pandey & D.C. Pandey image
Cosmarium medioscrobiculatum var. aequaleKrieger & Gerloff image
Cosmarium medioscrobiculatum var. egranulatumGutwinski image
Cosmarium medioscrobiculatum var. inflatumPrintz image
Cosmarium medioscrobiculatum var. karnatakenseBharati & Hegde Nova Hedwigia 36: 746, pl. 12: fig. 3. 1983
Cosmarium medioscrobiculatum var. platydesmium(Nordstedt) Krieger & Gerloff image
Cosmarium medioscrobiculatumWest & G.S. West image
Cosmarium meestersiiP.F.P. Coesel & M.C. van Westen in van Westen & Coesel, Desmidiologische Mededelingen 9: 14, fig. 5 2022
Cosmarium melanosporumArcher & Roy image
Cosmarium melanosporumArcher ex Joshua image
Cosmarium melanosporum f. orientale_('orientalis')W.B. Turner image
Cosmarium meneghiniiBrébisson ex Ralfs Brit. Desmid.: 96, pl. XV: fig. 6 1848
Cosmarium meneghiniiBrebisson ex Ralfs image
Cosmarium meneghinii f. africanum_('africana')Fritsch & Stephens image
Cosmarium meneghinii f. boldtiiW. West image
Cosmarium meneghinii f. concinnum(Reinsch) Lundell image
Cosmarium meneghinii f. elongatum_('elongata')Schmidle image
Cosmarium meneghinii f. himalaicum_('himalaica')Hirano image
Cosmarium meneghinii f. interruptum_('interrupta')Jacobsen image
Cosmarium meneghinii f. latiusculum_('latiuscula')Jacobsen image
Cosmarium meneghinii f. majus(Gutwinski) Gutwinski image
Cosmarium meneghinii f. majus(Reinsch) Lundell image
Cosmarium meneghinii f. majus_('major')Borge Bih. Kongl. Svenska Vetensk.-Akad. Handl. 17(Afd. III,{4}): 12, fig. 11 1892
Cosmarium meneghinii f. minutum_('minuta')Børgesen image
Cosmarium meneghinii f. norvegicum_('norvegica')Nordstedt image
Cosmarium meneghinii f. octangulare_('octangularis')Wille image
Cosmarium meneghinii f. polonicum_('polonica')Gutwinski image
Cosmarium meneghinii f. polonicum_('polonica')Gutwinski image
Cosmarium meneghinii f. reinschiiIstvanffi image
Cosmarium meneghinii f. reinschiiIstvanffi image
Cosmarium meneghinii f. rotundatum_('rotundata')Jacobsen image
Cosmarium meneghinii f. stockmayeriGutwinski image
Cosmarium meneghinii f. trigonum_('trigona')Nordstedt image
Cosmarium meneghinii f. typica-minus_('typica minor')Reinsch Int. Polarforsch. 1882-1883, Deutsch. Exped. Ergebn. 2: 346, pl. II: fig. 5 1890
Cosmarium meneghinii f. vulgare_('vulgaris')Jacobsen image
Cosmarium meneghinii var. angulosum(Ehrenberg) Rabenhorst image
Cosmarium meneghinii var. angulosumAuclair image
Cosmarium meneghinii var. borgeiRuzicka image
Cosmarium meneghinii var. braunii(Reinsch) Hansgirg Prodr. Alg. Böhmen 1: 195 1888
Cosmarium meneghinii var. concinnum(Rabenhorst) Rabenhorst image
Cosmarium meneghinii var. constrictumC.E. Bicudo in Prescott et al. Syn. N. Amer. Desmids 2{3}: 186, pl. CCVI: fig. 9 1981
Cosmarium meneghinii var. crenulatum(Naegeli) Hansgirg image
Cosmarium meneghinii var. dilatatumMessikommer image
Cosmarium meneghinii var. disjunctumMessikommer image
Cosmarium meneghinii var. genuinumKirchner image
Cosmarium meneghinii var. granatoidesSchmidle Ber. Naturf. Ges. Freiburg 7: 95, pl. VI: fig. 15 1893
Cosmarium meneghinii var. laeve(Wille) Gutwinski image
Cosmarium meneghinii var. loktakenseBrühl & Biswas image
Cosmarium meneghinii var. majus(Reinsch) J.E. Weiss image
Cosmarium meneghinii var. majus(Reinsch) J.E. Weiss Ber. Bayer. Bot. Ges. 2{B}: 46 1893
Cosmarium meneghinii var. majus_('major')Krieger & Gerloff image
Cosmarium meneghinii var. nanumWille image
Cosmarium meneghinii var. octangulariformeGutwinski image
Cosmarium meneghinii var. regnellii(Wille) Playfair image
Cosmarium meneghinii var. reinschii(Istvanffi) Gutwinski image
Cosmarium meneghinii var. simplicimumWille image
Cosmarium meneghinii var. sinenseLütkemüller image
Cosmarium meneghinii var. subhexagonumHansgirg image
Cosmarium meneghinii var. trigonum(Nordstedt) Krieger & Gerloff image
Cosmarium meneghinii var. wolleiLagerheim image
Cosmarium mentiensJ. Schaarschmidt Magyar Tud. Akad. Math. Termész. Köz. 18: 265, fig. 11 1883
Cosmarium mentiensSchaarschmidt image
Cosmarium mesoleium(Raciborski) Playfair image
Cosmarium mesoleium f. adultum_('adulta')Playfair image
Cosmarium mesoleium f. asperrimum_('asperrima')Playfair image
Cosmarium mesoleium f. australe_('australis')Playfair image
Cosmarium mesoleium var. arcuatumPlayfair image
Cosmarium mesoleium var. rhomboideum(Raciborski) Playfair image
Cosmarium messikommeriP.F.M. Coesel Cryptog.: Algol. 10: 187 1989
Cosmarium messochondrionSchmidle image
Cosmarium meteoronotumW. & G.S. West image
Cosmarium meyeri(Schmidle) Krieger & Gerloff image
Cosmarium mickeyoidesP.F.M. Coesel in Coesel et al. Fottea 17: 92, figs. 8, 9, 16-20 2017
Cosmarium microgonum(Viret) Ducellier image
Cosmarium microscopicumW.B. Turner image
Cosmarium microsphinctum f. groenlandicum_('groenlandica')Børgesen image
Cosmarium microsphinctum f. majusRoy & Bisset image
Cosmarium microsphinctum f. parvulum_('parvula')W.B. Turner image
Cosmarium microsphinctum f. parvulum_('parvula')Wille image
Cosmarium microsphinctumNordstedt image
Cosmarium microsphinctum var. antarcticumKrieger & Gerloff image
Cosmarium microsphinctum var. crispulum(Nordstedt) Nordstedt image
Cosmarium microsphinctum var. groenlandicum(Børgesen) Krieger & Gerloff image
Cosmarium microsphinctum var. hexagonumK. Förster Khumbu Himal; Ergebnisse 2: 42, pl. 2: figs. 3, 4; pl. 6: fig. 19 1965
Cosmarium microsphinctum var. majusRoy & Bisset image
Cosmarium miedzyrzecenseEichler & Gutwinski image
Cosmarium miedzyrzecense var. monomazumGrönblad image
Cosmarium mikronSkuja image
Cosmarium mikron var. asymmetricumD.B. Williamson Arch. Hydrobiol. Suppl. 162 (Algol. Stud. 119): 68, pl. 3: 5 2006
Cosmarium mikutowicziiSkuja image
Cosmarium mikutowiczii var. elegantulum(Messikommer) Krieger & Gerloff image
Cosmarium mikutowiczii var. gotlandicumGrönblad image
Cosmarium minimum f. antarcticumThérézien & Couté CNFRA [Comité Natl. Franc\*,. Rech. Antarct.] 43: 66, 76, pl. XIV: fig. 11 1977
Cosmarium minimum f. antarcticum_('antarctica')Therezien & Couté image
Cosmarium minimum var. antarcticum(Thérézien & Couté) K. Förster Arch. Hydrobiol. Suppl. 60(3) (Algol. Stud. 28): 241 1981
Cosmarium minimum var. rotundatumMessikommer image
Cosmarium minimum var. rotundatumMessikommer image
Cosmarium minimum var. subrotundatumWest & West image
Cosmarium minimumWest & West image
Cosmarium minneapolitanumHansgirg image
Cosmarium minus f. australe_('australis')Raciborski image
Cosmarium minus f. minus_('minor')Woodhead & Tweed image
Cosmarium minus_('minor')(Raciborski) Raciborski image
Cosmarium minutissimumHeimerl image
Cosmarium minutissimum var. depressumIrenee-Marie image
Cosmarium minutissimumW. Archer Quart. J. Micr. Sci., ser. 2, 17: 194, 301, no fig. 1877
Cosmarium minutum(Ralfs) Gutwinski image
Cosmarium minutumBennett image
Cosmarium minutumDelponte Mem. Reale Accad. Sci. Torino, ser. 2, 30 (Cl. Sc. Fis. e Mat.): 9, pl. VII: figs. 37-39 1878
Cosmarium minutum f. javanicum_('javanica')Gutwinski image
Cosmarium minutum f. novizelandicum_('novizelandica')Nordstedt image
Cosmarium minutum var. angustissimumGrönblad image
Cosmarium mirabileNoda & Skvortzov image
Cosmarium miraculumGrönblad image
Cosmarium miraculum var. subfossileMessikommer image
Cosmarium mirificumSchmidle image
Cosmarium mirumK. Thomasson Exploration hydrobiologique du bassin du lac Bangweolo et du Luapula 4(2): 23, pl. I: fig. 20; pl. IX: figs. 16-18 1966
Cosmarium miscellumSkuja image
Cosmarium mitraP.F.M. Coesel & A. Van Geest Plant Ecology and Evolution 150: 337, figs. 1F, 4J-M, 5E 2017
Cosmarium miyajimenseHinode image
Cosmarium modestumW. West & G.S. West image
Cosmarium moerlianum f. punctulatum_('punctulata')Woloszynska image
Cosmarium moerlianumLütkemüller image
Cosmarium moerlianum var. brasilienseBorge Ark. Bot. 15{13}: 36, pl. 3: fig. 13 1918
Cosmarium moerlianum var. simplexWoloszynska image
Cosmarium monile(W.B. Turner) Biswas image
Cosmarium moniliferumReinsch image
Cosmarium moniliforme(Turpin) Ralfs image
Cosmarium moniliforme f. ellipticum_('elliptica')Lagerheim image
Cosmarium moniliforme f. ellipticum_('elliptica')Nordstedt image
Cosmarium moniliforme f. elongatum_('elongata')W. West & G.S. West image
Cosmarium moniliforme f. giganticum_('gigantica')Agarkar image
Cosmarium moniliforme f. panduriforme_('panduriformis')Heimerl Verh. Zool.-Bot. Ges. Wien 41: 598, pl. V: fig. 11 1891
Cosmarium moniliforme f. subviride(Schmidle) Schmidle image
Cosmarium moniliformeRalfs image
Cosmarium moniliforme var. ellipticum(Lagerheim) Krieger & Gerloff image
Cosmarium moniliforme var. ellipticum(Nordstedt) Klebs image
Cosmarium moniliforme var. indentatumScott & Grönblad image
Cosmarium moniliforme var. limneticumWest & West image
Cosmarium moniliforme var. minimumBernard image
Cosmarium moniliforme var. nanumGrönblad & Croasdale image
Cosmarium moniliforme var. panduriforme(Heimerl) Schmidle Österr. Bot. Z. 45: 387 1895
Cosmarium moniliforme var. pseudofuelleborneiK. Förster Amazoniana 2: 52, pl. 13: figs. 3, 4 1969
Cosmarium moniliforme var. pulcherrimumSteinecke image
Cosmarium moniliforme var. punctatumLagerheim image
Cosmarium moniliforme var. sikkimicumJ.P. Keshri & D. Das in Das & Keshri Biblioth. Phycologica 119: 112, pl. V: fig. 147 2016
Cosmarium moniliforme var. subelongatumFörster Int. Rev. Hydrobiol. 57: 418, pl. I:19 1972
Cosmarium moniliforme var. subelongatumFörster image
Cosmarium moniliforme var. subglobosum(Förster) W. Scharf Cryptog.: Algol. 2: 42 1981
Cosmarium moniliforme var. subpanduriforme_('subpanduriformis')Jao image
Cosmarium moniliforme var. subpyriformeGrönblad image
Cosmarium moniliforme var. subpyriformeWest & West image
Cosmarium moniliforme var. subquadratumPlayfair image
Cosmarium moniliforme var. subtruncatumLemmermann image
Cosmarium moniliforme var. typicumKlebs image
Cosmarium monochondrumNordstedt image
Cosmarium monochondrum var. fallaxRuzicka image
Cosmarium monochondrum var. rotundatumKrieger & Gerloff image
Cosmarium monochondrum var. skujaeKrieger & Gerloff image
Cosmarium monodiiBourrelly image
Cosmarium monodii var. duplo-majus_('duplo-major')(Woodhead & Tweed) P.F.M. Coesel Nordic J. Botany 22: 242 2003
Cosmarium monomazum f. brasilienseFörster & Eckert image
Cosmarium monomazum f. brasilienseKurt Förster & Eckert in Förster Hydrobiologia 23: 396, pl. 22: fig. 24; pl. 47: fig. 18 1964
Cosmarium monomazumLundell image
Cosmarium monomazum var. africanumBourrelly image
Cosmarium monomazum var. amazumRaciborski image
Cosmarium monomazum var. americanum(Borge) Scott & Grönblad image
Cosmarium monomazum var. asymmetricumGrönblad & Scott image
Cosmarium monomazum var. brasiliense(Kurt Förster & Eckert) G.J.P. Ramos & C.W.N. Moura in Ramos et al. Notulae algarum 146: 2 2020
Cosmarium monomazum var. dimaziformeGrönblad image
Cosmarium monomazum var. dimazumKrieger image
Cosmarium monomazum var. glabrumHinode image
Cosmarium monomazum var. polymazumNordstedt image
Cosmarium monomazum var. subcristatumCedergren image
Cosmarium monomazum var. submonomazum(Rich) K. Förster Arch. Hydrobiol. Suppl. 60(3) (Algol. Stud. 28): 241 1981
Cosmarium monomazum var. tristichumW. West & G.S. West image
Cosmarium montanum(Schmidle) Schmidle image
Cosmarium montanum var. pseudoregnesii(West) Borge image
Cosmarium montrealenseH. Croasdale in Prescott et al. Syn. N. Amer. Desmids 2{3}: 195 1981
Cosmarium mordaxW.B. Turner image
Cosmarium moremienseP.F.M. Coesel & A. Van Geest Syst. Geogr. Pls. 79: 20, figs. 24, 25 2009
Cosmarium morsumWest image
Cosmarium mucronatumW. & G.S. West image
Cosmarium muelleri_('Mülleri')Schmidle image
Cosmarium muenster-stroemiiPevalek image
Cosmarium multigranulatumPrescott & Scott image
Cosmarium multiordinatum var. africanumBourrelly image
Cosmarium multiordinatum var. burmenseWest & West image
Cosmarium multiordinatum var. rotundatumKrieger image
Cosmarium multiordinatumW. & G.S. West image
Cosmarium multispinosumG.J.P. Ramos, C.E.M. Bicudo & C.W.N. Moura Notulae algarum 224: 2 2022
Cosmarium multituberculatumFritsch & Rich image
Cosmarium multituberculatum var. africanumBourrelly image
Cosmarium multiundulatumGrönblad image
Cosmarium munitumW.B. Turner image
Cosmarium murielaeCompère image
Cosmarium murrayiPlayfair image
Cosmarium mutatumGrönblad Acta Soc. Sci. Fenn. n.s.B, 2{5}: 36 1942
Cosmarium mutatumGrönblad image
Cosmarium mwangadanenseW. & G.S. West image
Cosmarium nabugabonumP. Coesel & A. Van Geest in Van Geest & Coesel Fottea 12: 103, figs. 25-27 2012
Cosmarium naegelianumBrebisson image
Cosmarium naegelianumBrebisson ex Archer image
Cosmarium naegelianumDe Notaris Elem. Desmid. Ital.: 43, pl. IV: fig. 32 1867
Cosmarium naegelianum f. binucleatumBeck-Mannagetta image
Cosmarium naegelianum f. minusBeck-Mannagetta image
Cosmarium naegelianum var. crenatumMargalef image
Cosmarium naegelianum var. crenulatumSchmidle image
Cosmarium naegelianum var. latumMaskell Trans. & Proc. New Zealand Inst. 21: 17, pl. III: fig. 27 1889
Cosmarium nakaoanumHirano image
Cosmarium nannosSkuja image
Cosmarium nanumBrühl & Biswas image
Cosmarium nanumClaassen image
Cosmarium naplesienseScott & Grönblad image
Cosmarium nasutum f. apertum_('aperta')Cedergren image
Cosmarium nasutum f. apertum_('aperta')Roubal image
Cosmarium nasutum f. formatumDucellier image
Cosmarium nasutum f. granulatum_('granulata')Nordstedt image
Cosmarium nasutumNordstedt image
Cosmarium nasutum var. asperum(West & West) West & West image
Cosmarium nasutum var. blatusa_('Blatus\*va')Pevalek Rad Jugoslavenske akademije znanosti i umjetnosti 230: 76, fig. 15 1925
Cosmarium nasutum var. crenatilobumBeck-Mannagetta Ve\*vstn. Král. C\*veské Společn. Nauk, Tr\*v. Mat.-Pr\*vír. [Mém. Soc. Roy. Sci. Bohe\*^me, Cl. Sci.] 1926{10}: 12, fig. 26 1927
Cosmarium nasutum var. decemlobumBeck-Mannagetta Ve\*vstn. Král. C\*veské Společn. Nauk, Tr\*v. Mat.-Pr\*vír. [Mém. Soc. Roy. Sci. Bohe\*^me, Cl. Sci.] 1926{10}: 12, fig. 27 1927
Cosmarium nasutum var. euastriformeSchmidle image
Cosmarium nasutum var. perornatumSkuja image
Cosmarium nasutum var. simplexIstvanffi image
Cosmarium nasutum var. simplexIstvanffi image
Cosmarium nasutum var. subcirculareSkuja image
Cosmarium nasutum var. subnasutum(Raciborski) Nordstedt image
Cosmarium nasutum var. wolleiLagerheim image
Cosmarium nathorstiiBoldt image
Cosmarium nathorstii f. tatricum_('tatrica')Gutwiński Bull. Int. Acad. Sci. Cracovie, Cl. Sci. Math. et Nat. 1909: 464, pl. VIII: fig. 33 1909
Cosmarium nathorstii var. majusWoloszynska image
Cosmarium nathorstii var. trinotatumGutwinski image
Cosmarium nauiKiselev image
Cosmarium naviculareBorge image
Cosmarium neapolitanumBalsamo Atti [Reale] Accad. Sci. Fis. e Mat. [Napoli], ser. 2, 1{14}: 39, pl. II: figs. 1-4 1885
Cosmarium neapolitanum var. australicumSchmidle image
Cosmarium neglectumKrieger image
Cosmarium neocrenatumVan Westen & Coesel Phytotaxa 522: 240, figs. 5, 12, 13, 14, 31 2021
Cosmarium neodepressum var. achondrum(Boldt) G.J.P. Ramos & C.W.N. Moura Notulae algarum 123: 1 2020
Cosmarium neodepressum var. elevatum(Borge) G.J.P. Ramos & C.W.N. Moura Notulae algarum 123: 1 2020
Cosmarium neodepressum var. minutum(Heimerl) G.J.P. Ramos & C.W.N. Moura Notulae algarum 123: 2 2020
Cosmarium neodepressum var. planctonicum(Reverdin) G.J.P. Ramos & C.W.N. Moura Notulae algarum 123: 2 2020
Cosmarium neodepressum var. reniforme(West & G.S. West) G.J.P. Ramos & C.W.N. Moura Notulae algarum 123: 2 2020
Cosmarium neonotabileVan Westen & Coesel Phytotaxa 522: 244, figs. 3, 4, 15, 16, 17, 32 2021
Cosmarium neouviellenseF.A.C. Kouwets Arch. Protistenk. 148: 46, figs. 51-55 1997
Cosmarium nephroideum(Wittrock) Roy & Bisset image
Cosmarium netzerianumSchmidle image
Cosmarium nigrocirratumW.B. Turner image
Cosmarium nilssoniiLewin image
Cosmarium nipponicumHirano image
Cosmarium nitidulumDe Notaris Elem. Desmid. Ital.: 42, pl. III: fig. 26 1867
Cosmarium nitidulum f. gaditanum_('gaditana')González Guerrero image
Cosmarium nitidulum f. genuinum_('genuina')Lundell image
Cosmarium nitidulum f. hiansIrenee-Marie image
Cosmarium nitidulum f. majus_('major')Lundell image
Cosmarium nitidulum f. punctulatum_('punctulata')Gutwinski image
Cosmarium nitidulum var. javanicumKrieger & Gerloff image
Cosmarium nitidulum var. mesotumidulumGutwinski image
Cosmarium nitidulum var. minutumPrescott image
Cosmarium nitidulum var. pseudorectangulareMessikommer image
Cosmarium nitidulum var. pseudovalidumTaft image
Cosmarium nitidulum var. subundulatum_('subundulata')Schmidle image
Cosmarium nivramM. Dingley Arch. Hydrobiol. Suppl. 152 (Algol. Stud. 112): 38, pl. 5: fig. B 2004
Cosmarium nobile(W.B. Turner) W. Krieger Rabenhorst's Krypt.-Fl. Deutschl., 2.Aufl., 13(1,3): 655 1937
Cosmarium nodosumO. Andersson image
Cosmarium nodosum var. stellatum_('stellata')Eichler & Raciborski image
Cosmarium noduliferumW.B. Turner image
Cosmarium nordstedtianumReinsch image
Cosmarium nordstedtiiDelponte image
Cosmarium nordstedtiiRaciborski image
Cosmarium norimbergense f. boldtiiMessikommer image
Cosmarium norimbergense f. depressum_('depressa')W. & G.S. West image
Cosmarium norimbergense f. dilatatum_('dilatata')Schmidle image
Cosmarium norimbergense f. elongatum_('elongata')W. West & G.S. West image
Cosmarium norimbergense f. majusReinsch image
Cosmarium norimbergense f. minusReinsch image
Cosmarium norimbergenseReinsch image
Cosmarium norimbergense var. boldtii(Messikommer) Ruzicka image
Cosmarium norimbergense var. depressum(West & West) Krieger & Gerloff image
Cosmarium norimbergense var. elongatum(West & G.S. West) Krieger image
Cosmarium norimbergense var. incrassatumP. Bourrelly & A. Couté Biblioth. Phycol. 86: 81, 191, pl. XXVIII: fig. 13 1991
Cosmarium norimbergense var. microscopicumW.B. Turner image
Cosmarium norimbergense var. ocellatumP. Bourrelly & A. Couté Biblioth. Phycol. 86: 81, 191, pl. XXVIII: fig. 11 1991
Cosmarium norimbergense var. pseudodepressumFörster image
Cosmarium norimbergense var. sublobatiforme(Grönblad) Krieger & Gerloff image
Cosmarium norimbergense var. tumidumP. Bourrelly & A. Couté Biblioth. Phycol. 86: 82, 192, pl. XXVIII: fig. 12 1991
Cosmarium norvegicumStrøm image
Cosmarium noshaquenseHirano image
Cosmarium notabileBrébisson Mém. Soc. Imp. Sci. Nat. Cherbourg 4: 129, pl. I: fig. 15 1856
Cosmarium notabileBrebisson image
Cosmarium notabile f. arcticumKosinskaya image
Cosmarium notabile f. mediumGutwiński Bot. Centralbl. 43: 66 1890
Cosmarium notabile f. medium_('media')Gutwinski image
Cosmarium notabile f. minus_('minor')Wille image
Cosmarium notabile f. ornatum_('ornata')Nordstedt image
Cosmarium notabile var. benedictum(Ducellier) Krieger & Gerloff image
Cosmarium notabile var. granulatumSuxena & Venkateswarlu image
Cosmarium notabile var. heterocrenatum(West & West) Krieger & Gerloff image
Cosmarium notabile var. latius(F. Gay) Krieger & Gerloff Gatt. Cosmarium: 210 1965
Cosmarium notabile var. medium(Gutwinski) Krieger & Gerloff image
Cosmarium notabile var. transiensInsam & Krieger image
Cosmarium notatum(Grönblad) P.F.M. Coesel Cryptog.: Algol. 10: 189 1989
Cosmarium notatum(R. Grönblad) P.F.M. Coesel image
Cosmarium notochondrumWest & West image
Cosmarium nova-pandoraWoodhead & Tweed North Western Naturalist 23: 27, fig. 28 1948
Cosmarium novae-semliae var. granulatumSchmidle image
Cosmarium novae-semliae var. hinganicumNoda & Skvortzov image
Cosmarium novae-semliae var. polonicumEichler & Gutwinski image
Cosmarium novae-semliae var. sibiricumBoldt image
Cosmarium novae-semliae var. suecicumLemmermann image
Cosmarium novae-semliae var. tibeticumWei image
Cosmarium novae-semliae_('novae-semliae')Wille image
Cosmarium novae-terraeTaylor image
Cosmarium nudicepsJohnson image
Cosmarium nudicepsL.N. Johnson image
Cosmarium nudum(Turner) Gutwinski image
Cosmarium nudum var. compressumGutwinski image
Cosmarium nudum var. javanicumGutwinski image
Cosmarium nudum var. minus_('minor')Bourrelly image
Cosmarium nuristanicumHirano image
Cosmarium nuristanicumHirano image
Cosmarium nuttalliiW. West image
Cosmarium nygaardiiBongale image
Cosmarium nylstromicumClaassen image
Cosmarium nymannianum f. brevius_('brevior')Wille image
Cosmarium nymannianum f. elongatum_('elongata')Raciborski image
Cosmarium nymannianum f. majus_('major')Raciborski image
Cosmarium nymannianum f. minusKosinskaya image
Cosmarium nymannianum f. minus_('minor')Raciborski image
Cosmarium nymannianum f. pygmaeum_('pygmaea')Gutwinski image
Cosmarium nymannianumGrunow ex Rabenhorst image
Cosmarium nymannianum var. abyssinicum(Lagerheim) Krieger & Gerloff image
Cosmarium nymannianum var. brevius(Wille) Krieger & Gerloff image
Cosmarium nymannianum var. fallaxScott & Grönblad image
Cosmarium nymannianum var. subkolkwitziiFörster & Eckert image
Cosmarium obcuneatumW. West image
Cosmarium obliquum(Greville) Brebisson image
Cosmarium obliquum f. concavulumBeck-Mannagetta Ve\*vstn. Král. C\*veské Společn. Nauk, Tr\*v. Mat.-Pr\*vír. [Mém. Soc. Roy. Sci. Bohe\*^me, Cl. Sci.] 1926{10}: 8, fig. 15 1927
Cosmarium obliquum f. laticeps(Grunow) Cedergren image
Cosmarium obliquum f. majus_('major')Nordstedt image
Cosmarium obliquum f. medium_('media')Nordstedt image
Cosmarium obliquum f. minimum_('minima')W. West image
Cosmarium obliquum f. minus_('minor')Nordstedt image
Cosmarium obliquum f. minutissimum_('minutissima')Ducellier image
Cosmarium obliquum f. tatricum_('tatrica')Gutwinski image
Cosmarium obliquum f. undulatum_('undulata')Casandey image
Cosmarium obliquumNordstedt image
Cosmarium obliquum var. corribensiformeMessikommer image
Cosmarium obliquum var. elongatum(Sampaio) Krieger & Gerloff image
Cosmarium obliquum var. euastroidesGrönblad image
Cosmarium obliquum var. minimum(W. West) Krieger & Gerloff image
Cosmarium obliquum var. ornatumKrieger image
Cosmarium obliquum var. ovaleGrönblad image
Cosmarium obliquum var. symmetricumGrönblad image
Cosmarium obliquum var. tatricum(Gutwinski) Krieger & Gerloff image
Cosmarium obliquum var. trigonumW. West image
Cosmarium obliquum var. triquetrumGrönblad image
Cosmarium oblongumBennett J. Roy. Microsc. Soc., ser. 2, 6: 10, pl. I: fig. 16 1886
Cosmarium obsoletum(Hantzsch) Reinsch Algenfl. Franken: 110 1866
Cosmarium obsoletum f. dentatum_('dentata')Playfair image
Cosmarium obsoletum f. galicienseGutwinski image
Cosmarium obsoletum f. galiciense_('galiciensis')Gutwinski image
Cosmarium obsoletum f. majus_('major')W.B. Turner image
Cosmarium obsoletum subsp. maximumBørgesen image
Cosmarium obsoletum subsp. palustre(Turner) Brühl & Biswas image
Cosmarium obsoletum var. angustatumW. West image
Cosmarium obsoletum var. dorsitruncatiforme(Gutwinski) Krieger image
Cosmarium obsoletum var. glabrum_('glabra') vanOye image
Cosmarium obsoletum var. majus_('major')Wolle Desmids U.S.: 64, pl. XLXIX: fig. 12 1884
Cosmarium obsoletum var. minus(Messikommer) Krieger & Gerloff image
Cosmarium obsoletum var. ovale(Turner) Bernard image
Cosmarium obsoletum var. pevalkiiGrönblad image
Cosmarium obsoletum var. punctatumMaskell image
Cosmarium obsoletum var. scrobiculatumGutwinski image
Cosmarium obsoletum var. singaporenseBernard image
Cosmarium obsoletum var. sitvenseGutwinski image
Cosmarium obsoletum var. tinecenseRaciborski image
Cosmarium obsoletum var. transvaalenseClaassen image
Cosmarium obtusatum(Schmidle) Schmidle Bot. Jahrb. 26: 38 1898
Cosmarium obtusatum f. aequale_('aequalis')Ruzicka image
Cosmarium obtusatum f. minusSkuja image
Cosmarium obtusatum f. perornatum_('perornata')Messikommer image
Cosmarium obtusatum var. beanlandii(West & West) W. West & G.S. West image
Cosmarium obtusatum var. burmenseRuzicka image
Cosmarium obtusatum var. glabrumBorge image
Cosmarium obtusatum var. horwoodiiF. Rich image
Cosmarium obtusatum var. hyalinumNoda & Skvortzov image
Cosmarium obtusatum var. skujaeRuzicka image
Cosmarium obtusatum var. undulatumFritsch & Rich image
Cosmarium occidentale var. intermediumGutwinski image
Cosmarium occidentale var. ornatumW.B. Turner image
Cosmarium occidentaleW.B. Turner image
Cosmarium occultumSchmidle image
Cosmarium ocellatumEichler & Gutwinski image
Cosmarium ocellatum var. americanumW. West & G.S. West image
Cosmarium ocellatum var. brasilienseFörster & Eckert image
Cosmarium ocellatum var. elongatumP. Bourrelly & A. Couté Biblioth. Phycol. 86: 84, 192, pl. XXIX: fig. 13 1991
Cosmarium ocellatum var. forsteriSuxena & Venkateswarlu image
Cosmarium ocellatum var. glabrumHinode image
Cosmarium ocellatum var. gutwinskiiWoloszynska image
Cosmarium ocellatum var. incrassatumWest & West image
Cosmarium ocellatum var. notatum(Nordstedt) Krieger & Gerloff image
Cosmarium ocellatum var. papillatumHinode image
Cosmarium ocellatum var. rotundatumFritsch & Rich image
Cosmarium ochthodes f. giganteumBeck-Mannagetta image
Cosmarium ochthodes f. granulosumLütkemüller image
Cosmarium ochthodes f. minusDick image
Cosmarium ochthodesNordstedt image
Cosmarium ochthodes var. aequale_('aequalis')Insam & Krieger image
Cosmarium ochthodes var. amoeba-granulosaSchmidle image
Cosmarium ochthodes var. amoebumW. West image
Cosmarium ochthodes var. calvumNoda & Skvortzov image
Cosmarium ochthodes var. mesoleiumRaciborski image
Cosmarium ochthodes var. minusUherkovich image
Cosmarium ochthodes var. novae-terraeWade ex G.W. Prescott, H.T. Croasdale, W.C. Vinyard & C.E. Bicudo Syn. N. Amer. Desmids 2{3}: 207, pl. CCLXX: fig. 1 1981
Cosmarium ochthodes var. obtusatumGutwinski image
Cosmarium ochthodes var. obtusatum_('obtusata')Noda & Skvortzov image
Cosmarium ochthodes var. pyramidatumNoda & Skvortzov image
Cosmarium ochthodes var. subcirculareWille image
Cosmarium octagonum var. constrictumLagerheim image
Cosmarium octagonumW.B. Turner Alg. Aquae Dulc. Ind. Orient.: 69, pl. X: fig. 12 1893
Cosmarium octogibbosum(Reinsch) W.B. Turner Alg. Aquae Dulc. Ind. Orient.: 52 1893
Cosmarium octogibbosum f. minus_('minor')W.B. Turner image
Cosmarium octogibbosum var. indicum_('indica')W.B. Turner image
Cosmarium oculiferumLagerheim image
Cosmarium oculumKrieger & Gerloff image
Cosmarium odontopleurumArcher ex Roy & Bisset Ann. Scot. Nat. Hist. 3: 169 (July 1894), pl. II: fig. 13 (Jan. 1894) 1894
Cosmarium oenpellienseScott & Prescott image
Cosmarium okavangicumP.F.M. Coesel & A. Van Geest Syst. Geogr. Pls. 79: 21, figs. 8-10 2009
Cosmarium oligogongrusReinsch image
Cosmarium oliveiraeG.J.P. Ramos, C.E.M. Bicudo & C.W.N. Moura Phytotaxa 346: 63, figs. 34-38 2018
Cosmarium oliveriJ. Schaarschmidt image
Cosmarium onychonemaRaciborski image
Cosmarium onychonema var. africanumKrieger & Gerloff image
Cosmarium oocystidumW. West & G.S. West image
Cosmarium ophaliiPrescott & Scott image
Cosmarium orbiculareRalfs image
Cosmarium orbiculatum f. majus_('major')West & G.S. West Monogr. Brit. Desmid. III: 150, pl. LXXVII: fig. 18 1908
Cosmarium orbiculatum f. majus_('major')West & West image
Cosmarium orbiculatumRalfs image
Cosmarium orbiculatumRalfs ex Ralfs image
Cosmarium orbiculatum var. calvum(Schmidle) Schmidle image
Cosmarium orbiculatum var. majus_('maius')(West & G.S. West) O.A. Petlovany in P.M. Tsarenko et al. (eds.) Algae of Ukraine 4: 212 2015
Cosmarium ordinatum(Børgesen) West & West image
Cosmarium ordinatumE. Larsen Meddel. Gronl. 33: 333, pl. VII: fig. 11 1907
Cosmarium ordinatum f. mucronatum_('mucronata')Bharati & Hegde image
Cosmarium ordinatumSkuja image
Cosmarium ordinatum var. areguayenseE.N. Lacoste de Díaz Lilloa 35(3): 72, pl. II: fig. 6 1981
Cosmarium ordinatum var. borgeiBharati & Hegde Nova Hedwigia 36: 748, pl. 11: fig. 13. 1983
Cosmarium ordinatum var. borgeiScott & Grönblad image
Cosmarium ordinatum var. depressumW. West & G.S. West image
Cosmarium ordinatum var. montanumGutwinski image
Cosmarium ordinatum var. schulzii(Messikommer) Förster image
Cosmarium orientaleW.B. Turner image
Cosmarium ornatissimumSchmidle image
Cosmarium ornatulumP.F.M. Coesel Arch. Hydrobiol. Suppl. 142 (Algol. Stud. 104): 74, figs. 21, 22 2002
Cosmarium ornatulum var. depressumP.F.M. Coesel Arch. Hydrobiol. Suppl. 142 (Algol. Stud. 104): 75, figs. 23, 24 2002
Cosmarium ornatum f. depauperatum_('depauperata')Jacobsen image
Cosmarium ornatum f. ellipsiferum_('ellipsifera')Schmidle image
Cosmarium ornatum f. majus_('major')Børgesen image
Cosmarium ornatum f. rotundatum_('rotundata')Schmidle image
Cosmarium ornatum f. simplexIrenee-Marie image
Cosmarium ornatumRalfs image
Cosmarium ornatumRalfs ex Ralfs Brit. Desmid.: 104, pl. XVI: fig. 7 1848
Cosmarium ornatumRalfs Ann. Mag. Nat. Hist. 14: 392, pl. XI: fig. 3 1844
Cosmarium ornatum var. amoebumFörster & Eckert image
Cosmarium ornatum var. anglicum_('anglica')Raciborski image
Cosmarium ornatum var. depressumEichler Pamietnik Fizyjograficzny 14{Dzial 3}: 127, fig. 25 1896
Cosmarium ornatum var. incertumGrönblad Acta Soc. Sci. Fenn., Ser. B, Opera Biol. 2{5}: 38, pl. II: figs. 48, 49 1942
Cosmarium ornatum var. incertumGrönblad image
Cosmarium ornatum var. lagoenseNordstedt image
Cosmarium ornatum var. lapponicumSchmidle image
Cosmarium ornatum var. lithuanicum_('lithuanica')Raciborski image
Cosmarium ornatum var. minus_('minor')Wille image
Cosmarium ornatum var. perornatumGrönblad image
Cosmarium ornatum var. polonicumRaciborski image
Cosmarium ornatum var. protractumWolle image
Cosmarium ornatum var. pseudolagoenseFörster & Eckert image
Cosmarium ornatum var. sikkimicumJ.P. Keshri & D. Das in Das & Keshri Biblioth. Phycologica 119: 114, pl. VI: figs. 185, 186 2016
Cosmarium ornatum var. sublagoenseFörster & Eckert image
Cosmarium ornatum var. subpolonicumGutwinski image
Cosmarium ornatum var. woloszynskaeGrönblad image
Cosmarium orochonicumNoda & Skvortzov image
Cosmarium orochonicum var. rectumNoda & Skvortzov image
Cosmarium orthogonumDelponte image
Cosmarium orthogonum f. crenulatum_('crenulata')Hortobagyi image
Cosmarium orthogonum var. constrictumLagerheim Öfvers. K. [Svenska] Vet.-Akad. Förh. 42{7}: 239, pl. XXVII: fig. 12 1886
Cosmarium orthogonum var. gutwinskiiKrieger & Gerloff image
Cosmarium orthopleurumRoy & Bisset image
Cosmarium orthopunctulatumSchmidle image
Cosmarium orthostichum f. divaricatumC.E. Bicudo in Prescott et al. Syn. N. Amer. Desmids 2{3}: 212, pl. CCLXXXIX: fig. 5 1981
Cosmarium orthostichum f. groenlandicum_('groenlandica')E. Larsen Meddel. Gronl. 33: 334, pl. VII: fig. 12 1907
Cosmarium orthostichum f. schulziiMessikommer image
Cosmarium orthostichum f. subpolonicum_('subpolonica')Messikommer image
Cosmarium orthostichumLundell image
Cosmarium orthostichum var. carinthiacum_('carinthiaca')Schmidle image
Cosmarium orthostichum var. carniolicum_('carniolica')Schmidle image
Cosmarium orthostichum var. compactumWest & West image
Cosmarium orthostichum var. minutumSkvortzov & Noda image
Cosmarium orthostichum var. pseudopumilumClaassen image
Cosmarium orthostichum var. pumilumLundell image
Cosmarium orthostichum var. rectangulumEichler & Gutwinski image
Cosmarium orthostichum var. transvaalenseClaassen image
Cosmarium orthostichum var. trigonumLagerheim image
Cosmarium orthostichum var. truncatumMessikommer image
Cosmarium ortogonumDelponte image
Cosmarium ortogonum var. concinnumRaciborski image
Cosmarium osteriSchmidle image
Cosmarium otusKrieger image
Cosmarium otus var. ornatumScott & Prescott image
Cosmarium ovaleRalfs Ann. Mag. Nat. Hist. 14: 394, pl. XI: fig. 7 1844
Cosmarium ovaleRalfs ex Ralfs Brit. Desmid.: 98, pl. XV: fig. 9 1848
Cosmarium ovale var. excisumRaciborski image
Cosmarium ovale var. prescottiiIrenee-Marie image
Cosmarium ovale var. subglabrumWest & West image
Cosmarium ovinumF. Kouwets Desmidiologische Mededelingen 8: 22 2022
Cosmarium ozenseHirano image
Cosmarium pachydermum f. intermedium_('intermedia')Maskell image
Cosmarium pachydermum f. minus_('minor')Rich image
Cosmarium pachydermum f. parvumH. Croasdale in Prescott et al. Syn. N. Amer. Desmids 2{3}: 215, CLXI: figs. 7, 8 1981
Cosmarium pachydermum f. rectangulareGeissbühler image
Cosmarium pachydermum f. tortumGrönblad image
Cosmarium pachydermum f. transitorium_('transitoria')Heimerl image
Cosmarium pachydermumLundell image
Cosmarium pachydermum var. aethiopicum(West & West) W. West & G.S. West image
Cosmarium pachydermum var. alaskenseHirano image
Cosmarium pachydermum var. complanatumScott & Grönblad image
Cosmarium pachydermum var. deflandreanumLaporte image
Cosmarium pachydermum var. ellipticumHinode image
Cosmarium pachydermum var. heptagenumGrönblad image
Cosmarium pachydermum var. hexagonumGutwinski image
Cosmarium pachydermum var. hinganicumNoda & Skvortzov image
Cosmarium pachydermum var. incrassatumScott & Grönblad image
Cosmarium pachydermum var. indicumIyengar & Vimala Bai image
Cosmarium pachydermum var. latumKlebs image
Cosmarium pachydermum var. majusA.K.M.N. Islam & A.K.Y. Haroon Int. Revue ges. Hydrobiol. 65: 576, pl. 13: fig. 182 1980
Cosmarium pachydermum var. majusPrintz image
Cosmarium pachydermum var. minusNordstedt image
Cosmarium pachydermum var. ochthodiforme_('ochthodiformis')Istvanffi image
Cosmarium pachydermum var. ochthodiforme_('ochthodiformis')Istvanffi image
Cosmarium pachydermum var. pusillumIrenee-Marie image
Cosmarium pachydermum var. rectangulare(Geissbühler) Krieger & Gerloff image
Cosmarium pachydermum var. schmidleiPrintz image
Cosmarium pachydermum var. sudanenseGrönblad & Scott image
Cosmarium pachydermum var. tortum(Grönblad) Krieger & Gerloff image
Cosmarium pachydermum var. tuberculatumFritsch image
Cosmarium pachydermum var. typicumKlebs image
Cosmarium pachydermum var. waterbergenseClaassen image
Cosmarium pacificumL.N. Johnson image
Cosmarium pakistanicumIslam image
Cosmarium palangulaBrébisson in Ralfs Brit. Desmid.: 212 1848
Cosmarium palangulaBrebisson ex Ralfs image
Cosmarium palangula var. debaryiRabenhorst Fl. Eur. Alg. III: 175 1868
Cosmarium palangula var. debaryi_('DeBaryi') Rabenhorst image
Cosmarium palangula var. genuinumRabenhorst image
Cosmarium palangula var. notarisiiRabenhorst image
Cosmarium palatiniformeVan Westen & Coesel Phytotaxa 522: 246, figs. 2, 18, 19, 20, 33 2021
Cosmarium palatinumJ. Dick Mitteilungen der Pollichia, n.f., III: 135, pl. VIII: fig. 7 1930
Cosmarium palmatumBrebisson image
Cosmarium palmatumBrebisson ms. image
Cosmarium paludicolaE.E. Flint & D.B. Williamson New Zealand J. Botany 43: 294, fig. 3A 2005
Cosmarium palustre f. majus_('major')W.B. Turner image
Cosmarium palustre f. minus_('minor')W.B. Turner image
Cosmarium palustre var. ovaleW.B. Turner image
Cosmarium palustreW.B. Turner image
Cosmarium panamensePrescott image
Cosmarium panamense var. smithiiHughes image
Cosmarium panamense var. therezieniiF.M. Costa, G.J.P. Ramos & C.W.N. Moura Phytotaxa 632: 197, figs. 4, 19-23 2023
Cosmarium panduratumDelponte image
Cosmarium panduriformeW.B. Turner image
Cosmarium pankakoskiiGrönblad Acta Soc. Fauna et Flora Fenn. 66{1}: 24, pl. I: fig. 7 1947
Cosmarium pankakoskiiGrönblad image
Cosmarium papilioMeneghini image
Cosmarium papilioMeneghini ex Ralfs image
Cosmarium papillareFörster image
Cosmarium papilliferumSchmidle image
Cosmarium papilliferum var. eloisianumGrönblad image
Cosmarium papkuilenseFritsch & Rich image
Cosmarium pappekuilenseG.S. West image
Cosmarium paradoxum var. insigne(Turner) Schmidle image
Cosmarium paradoxumW.B. Turner image
Cosmarium paragranatoidesSkuja image
Cosmarium paragranatoides var. dickiiKrieger & Gerloff image
Cosmarium paraguayenseBorge image
Cosmarium parallelumBorge image
Cosmarium parallelum f. majus_('major')Petkoff image
Cosmarium pardalisCohn image
Cosmarium pardalis f. majus_('major')Lagerheim Öfvers. Kongl. Vet.-Akad. Förh. 42: 236, no fig. 1885
Cosmarium pardalis f. minus_('minor')W. Joshua image
Cosmarium pardalis var. scabrum(Turner) Bourrelly image
Cosmarium parietaleKrieger & Gerloff Gatt. Cosmarium: 316 1969
Cosmarium parvulumBrebisson image
Cosmarium parvulum f. minus_('minor')Reinsch Int. Polarforsch. 1882-1883, Deutsch. Exped. Ergebn. 2: 353, pl. II: fig. 10 1890
Cosmarium parvulum f. minus_('minor')West & G.S. West Trans. Linn. Soc. London, Bot. 6: 168, no fig. (dimensions only) 1902
Cosmarium parvulum f. minus_('minor')West & West image
Cosmarium parvulum var. attenuatumGutwinski image
Cosmarium parvulum var. attenuatumGutwinski image
Cosmarium parvulum var. excavatumInsam & Krieger image
Cosmarium parvulum var. helveticumKrieger & Gerloff image
Cosmarium parvulum var. kriegeriKrieger & Gerloff image
Cosmarium parvulum var. lenzenwegerienseG.V. Martello Arch. Hydrobiol. Suppl. 163 (Algol. Stud. 120): 17, figs. 2-4 2006
Cosmarium parvulum var. minusFörster image
Cosmarium parvulum var. nordstedtiiK. Förster Khumbu Himal; Ergebnisse 2: 43, pl. 3: figs. 19, 20 1965
Cosmarium parvulum var. pusillum(Hansgirg) Beck-Mannagetta image
Cosmarium parvulum var. undulatumSchmidle ms. image
Cosmarium patelliformeBorge image
Cosmarium paucigranulatumBorge image
Cosmarium paucigranulatumWhelden image
Cosmarium paucigranulatumWhelden Natl. Mus. Canada, Bull. 97: 84, pl. V: fig. 4 1947
Cosmarium paulense(Børgesen) L.N. Johnson Bull. Torrey Bot. Club 22: 293 1895
Cosmarium paulenseBørgesen image
Cosmarium paulense f. minus_('minor')Bourrelly image
Cosmarium paulense var. japonicumHirano image
Cosmarium paulense var. rotundatumGrönblad image
Cosmarium pauliiA.K.M.N. Islam & A.K.Y. Haroon Int. Revue ges. Hydrobiol. 65: 578, pl. 15: fig. 212 1980
Cosmarium paxillosum(Turner) Biswas image
Cosmarium pearsoniG.S. West image
Cosmarium pectinatumBrebisson image
Cosmarium pectinoidesWolle image
Cosmarium pedinochondrumSkuja image
Cosmarium peltaCorda Alman. Carlsbad 9: 242 1839
Cosmarium peltaCorda Alman. Carlsbad 5: 206, pl. II: fig. 25 1835
Cosmarium peniomorphumA.M. Scott & Prescott Hydrobiologia 17: 64 1961
Cosmarium peniomorphumScott & Prescott image
Cosmarium peniomorphum var. latius_('latior')A.M. Scott & Prescott Hydrobiologia 17: 65, pl. 27: fig. 15 1961
Cosmarium peniomorphum var. latius_('latior')Scott & Prescott image
Cosmarium pentachondrumBørgesen image
Cosmarium peranomalumK. Förster Arch. Hydrobiol. Suppl. 60(3) (Algol. Stud. 28): 241 1981
Cosmarium peregrinumW.B. Turner image
Cosmarium perfissumG.S. West image
Cosmarium perforatumLundell image
Cosmarium perforatum var. crassangulatumInsam & Krieger image
Cosmarium perforatum var. porosumGutwinski image
Cosmarium perforatum var. rauchiiDucellier image
Cosmarium perforatum var. rotundatum_('rotundata')Børgesen image
Cosmarium perforatum var. rotundatum_('rotundata')Børgesen image
Cosmarium perforatum var. rotundatum_('rotundata')Skuja image
Cosmarium perforatum var. rotundatum_('rotundata')Skuja Acta Hort. Bot. Univ. Latv. 3: 164, pl. IV: figs. 4, 5 1928
Cosmarium perforatum var. skujaeGrönblad image
Cosmarium perforatum var. typicumGutwinski image
Cosmarium pericymatiumNordstedt image
Cosmarium pericymatium var. eboracenseW. & G.S. West image
Cosmarium pericymatium var. eboracenseWest & West image
Cosmarium pericymatium var. laeveIrenee-Marie image
Cosmarium pericymatium var. latius_('latior')Fritsch & Rich image
Cosmarium pericymatium var. notabiliformeInsam & Krieger image
Cosmarium pericymatium var. pseudopericymatium(Deflandre) Krieger & Gerloff image
Cosmarium perigranulatumScott & Prescott image
Cosmarium perincisumGrönblad image
Cosmarium perincisum var. ahmedabadenseKamat image
Cosmarium peritaphrenumSkuja image
Cosmarium perizosmum var. granulatumW.B. Turner image
Cosmarium perizosmum var. ornatumW.B. Turner image
Cosmarium perizosmumW.B. Turner image
Cosmarium permaculatumGrönblad & Scott image
Cosmarium permaculatum var. bituberculatumP.F.M. Coesel & A. Van Geest Syst. Geogr. Pls. 79: 21, figs. 31-33 2009
Cosmarium permaculatum var. subnudumGrönblad & Scott image
Cosmarium perminutumG.S. West Mém. Soc. Neucha\*^teloise Sci. Nat. 5: 1041 1914
Cosmarium perminutum var. australe(Raciborski) Krieger & Gerloff image
Cosmarium perpastumW.B. Turner image
Cosmarium perpusillum var. nanum(Wille) Krieger & Gerloff image
Cosmarium perpusillumW. West image
Cosmarium pertyanumRaciborski image
Cosmarium pertyanum var. breviusGutwinski image
Cosmarium pertyanum var. breviusGutwinski image
Cosmarium petsamoenseCedercreutz Mem. Soc. Fauna Flora Fenn. 7: 244, fig. 12, 13 1931
Cosmarium petsamoense f. simpliciusKosinskaya image
Cosmarium petsamoense var. simplicius(Kossinskaja) Krieger & Gerloff image
Cosmarium phaseolus [subsp.] notatumNordstedt image
Cosmarium phaseolusBrébisson ex Ralfs Brit. Desmid.: 106, pl. XXXII: fig. 5 1848
Cosmarium phaseolusBrebisson image
Cosmarium phaseolusBrebisson ex Ralfs image
Cosmarium phaseolus f. bavaricumKaiser image
Cosmarium phaseolus f. depressumSkuja image
Cosmarium phaseolus f. epicondatumBongale image
Cosmarium phaseolus f. maius_('maior')Gutwinski image
Cosmarium phaseolus f. majus_('major')Borge image
Cosmarium phaseolus f. minus_('minor')Boldt image
Cosmarium phaseolus f. minus_('minor')Raciborski image
Cosmarium phaseolus f. minus_('minor')Rich image
Cosmarium phaseolus f. minutum_('minuta')Biswas image
Cosmarium phaseolus f. punctulatum_('punctulata')Raciborski image
Cosmarium phaseolus f. subquadratum(W. West) Croasdale image
Cosmarium phaseolus f. trinotatum_('trinotata')Schmidle image
Cosmarium phaseolus var. achondrumBoldt Öfvers. K. [Svenska] Vet.-Akad. Förh. 42{2}: 103, pl. V: fig. 7 1885
Cosmarium phaseolus var. bioculatum(Brebisson) Klebs image
Cosmarium phaseolus var. elevatumNordstedt image
Cosmarium phaseolus var. groenlandicumR. Lenzenweger Stapfia 22: 100, pl. II: fig. 26 1989
Cosmarium phaseolus var. karlukenseCroasdale image
Cosmarium phaseolus var. minus(Boldt) Krieger & Gerloff image
Cosmarium phaseolus var. minusRaciborski image
Cosmarium phaseolus var. minutum(Biswas) Krieger & Gerloff image
Cosmarium phaseolus var. omphalum(Schaarschmidt) Raciborski Pamiet. Wydz. III, Akad. Umiej. w Krakowie 17: 83 1889
Cosmarium phaseolus var. pseudostigmosumFörster image
Cosmarium phaseolus var. rectangulareInsam & Krieger image
Cosmarium phaseolus var. skujaeKrieger & Gerloff image
Cosmarium phaseolus var. stigmosumNordstedt image
Cosmarium phaseolus var. stigmosumNordstedt image
Cosmarium phaseolus var. subbiremumRaciborski image
Cosmarium phaseolus var. subquadratum(W. West) Krieger image
Cosmarium phaseolus var. typicumKlebs image
Cosmarium philippinenseBehre image
Cosmarium pileatumBorge image
Cosmarium pileatum var. brasiliense(Grönblad) Krieger & Gerloff image
Cosmarium pileatum var. cambodienseY. Kanetsuna Phycol. Res. 50: 106, figs. 32-34 2002
Cosmarium pileigerumLagerheim image
Cosmarium pileolatumBrebisson mss image
Cosmarium pilgeriSchmidle image
Cosmarium piriformeNordstedt image
Cosmarium pitenseSchmidle image
Cosmarium planctonicumPetkoff image
Cosmarium planogranatumCroasdale image
Cosmarium planogranatum f. minusCroasdale image
Cosmarium planogranatum var. trihedraleCroasdale image
Cosmarium planopapillosumKrieger image
Cosmarium planum var. ocellatumSchmidle image
Cosmarium planumWest & West image
Cosmarium platydesmium(Nordstedt) Nordstedt & Schmidle image
Cosmarium platyisthmumArcher Ann. Mag. Nat. Hist. ser. 5, 11: 215 1883
Cosmarium playfairiiKrieger & Gerloff image
Cosmarium pleurotaeniformeFörster & Eckert image
Cosmarium pleurotaeniforme var. simplexHegde Phykos 25: 111, fig. 3 1986
Cosmarium plicatum f. decedensP. Reinsch image
Cosmarium plicatum f. majusP. Reinsch image
Cosmarium plicatum f. minusP. Reinsch image
Cosmarium plicatumP. Reinsch image
Cosmarium plicatum var. hibernicumW. West J. Linn. Soc., London. Botany 29: 142, pl. XXIV: fig. 9 1892
Cosmarium plicatum var. scoticumRoy & Bisset image
Cosmarium plicatum var. subcuneatum(Schmidle) Krieger & Gerloff image
Cosmarium pluritumidumSchmidle image
Cosmarium pluvialeBrebisson image
Cosmarium pluviale var. americanumKrieger & Gerloff image
Cosmarium podlachiaeEichler & Gutwinski image
Cosmarium poeltiiK. Förster Arch. Hydrobiol. Suppl. 60(3) (Algol. Stud. 28): 241 1981
Cosmarium pokornyanum(Grunow) W. & G.S. West image
Cosmarium pokornyanum f. maiusFörster image
Cosmarium pokornyanum var. groenbladiiFörster image
Cosmarium pokornyanum var. minusK. Förster & Eckert image
Cosmarium pokornyanum var. skujaeKrieger & Gerloff image
Cosmarium pokornyanum var. tayloriiGrönblad image
Cosmarium pokornyanum var. trigonum(Nordstedt) Krieger & Gerloff image
Cosmarium polonicum f. bipunctatumLaporte image
Cosmarium polonicumRaciborski image
Cosmarium polonicum var. alpinumSchmidle image
Cosmarium polonicum var. intermediumGutwinski image
Cosmarium polonicum var. quadrigranulatumGutwinski image
Cosmarium polonicum var. quadrinodosumBorge image
Cosmarium polonicum var. supranotatumMessikommer image
Cosmarium poltavienseO.A. Petlovany in P.M. Tsarenko et al. (eds.) Algae of Ukraine 4: 221 2015
Cosmarium poluniniiWhelden image
Cosmarium polygonatumHalász image
Cosmarium polygonum(Naegeli) Archer image
Cosmarium polygonum f. rectumC.E. Bicudo in Prescott et al. Syn. N. Amer. Desmids 2{3}: 228, pl. CCXVI: fig. 10 1981
Cosmarium polygonum var. acutiusMessikommer image
Cosmarium polygonum var. depressumMessikommer image
Cosmarium polygonum var. exileW. West & G.S. West image
Cosmarium polygonum var. hexagonumGrönblad image
Cosmarium polygonum var. minusHieronymus image
Cosmarium polymorphum(Kützing) Meneghini image
Cosmarium polymorphumNordstedt image
Cosmarium polymorphum subsp. paulenseBørgesen Vid. Medd. Naturh. For. Kjobenhavn 1890: 38, pl. IV: fig. 28 1891
Cosmarium polymorphum subsp. paulenseBørgesen image
Cosmarium polymorphum var. africanumBourrelly image
Cosmarium polymorphum var. groenbladiiK. Förster Amazoniana 2: 54, pl. 16: figs. 8, 10 1969
Cosmarium polymorphum var. ornatumGrönblad image
Cosmarium polystictum 'Nygaard' image
Cosmarium porosumA.A. Gontcharov & M. Watanabe in Gontcharov, Watanabe & Watanabe Bull. Natl. Sci. Mus., Tokyo, Ser. B (Bot.), 25: 12, pl. IV: figs. 9-11; pl. VIII: fig. 12 1999
Cosmarium porosumP.F.M. Coesel & M. Dingley Syst. Geogr. Pl. 75: 41, figs. 12, 13 2005
Cosmarium porrectumNordstedt image
Cosmarium porteanumArcher image
Cosmarium porteanum f. attenuatum_('attenuata')W.B. Turner image
Cosmarium porteanum f. extensumG.W. Prescott in Prescott et al. Syn. N. Amer. Desmids 2{3}: 229, pl. CCLV: fig. 1 1981
Cosmarium porteanum f. majus_('major')Milovanovic image
Cosmarium porteanum f. minus_('minor')Hustedt image
Cosmarium porteanum var. brasilienseWille image
Cosmarium porteanum var. calvumSchmidle image
Cosmarium porteanum var. majusScott & Prescott image
Cosmarium porteanum var. majus_('major')B.H. Smith image
Cosmarium porteanum var. minus_('minor')Huber-Pestalozzi image
Cosmarium porteanum var. nephroideumWittrock Bih. K. Vet.-Akad. Handl. 1{1}: 57, no fig. 1872
Cosmarium porteanum var. orthostichumSchmidle Ber. Deutsch. Bot. Ges. 11: 549, pl. 28: fig. 7 1894
Cosmarium porteanum var. palaeotropicumSkuja image
Cosmarium porteanum var. pseudoporteanumJ.P. Keshri & D. Das in Das & Keshri Biblioth. Phycologica 119: 116, pl. VI: figs. 187, 188 2016
Cosmarium porteanum_('portianum')Archer Proc. Dublin Nat. Hist. Soc. 3: 49, pl. I: figs. 8, 9 1863
Cosmarium portuenseSampaio image
Cosmarium praecelsumW.B. Turner image
Cosmarium praecisumBorge image
Cosmarium praecisumBrebisson image
Cosmarium praecisum var. suecicum(Borge) Krieger & Gerloff image
Cosmarium praegrandeLundell image
Cosmarium praegrande var. sphaericum(Bennett) Lagerheim image
Cosmarium praegrandiformeSchmidle Bot. Jahrb. 26: 25, pl. II: fig. 1 1898
Cosmarium praegrandiforme var. americanum(J.A. Cushman) G.W. Prescott in Prescott et al. Syn. N. Amer. Desmids 2{3}: 231 1981
Cosmarium praegrandiforme var. americanum_('Americana')J.A. Cushman Rhodora 7: 257, pl. 64: fig. 5 1905
Cosmarium praemorsiformeGutwinski image
Cosmarium praemorsumBrebisson image
Cosmarium praemorsum f. minus_('minor')Irenee-Marie image
Cosmarium praemorsum var. bulbosumSchmidle image
Cosmarium praemorsum var. gallicumRaciborski image
Cosmarium praemorsum var. germanicumRaciborski image
Cosmarium praemorsum var. quadripunctatumInsam & Krieger image
Cosmarium praemorsum var. scandinavicumRaciborski image
Cosmarium praemorsum var. stelliferumGutwinski image
Cosmarium praemorsum var. stelliferumGutwinski image
Cosmarium prainiiWest & West image
Cosmarium prescottiiSuxena & Venkateswarlu image
Cosmarium printziiBorge image
Cosmarium promentariumWest & West image
Cosmarium prometopidionSkuja image
Cosmarium prominens var. ellipticumKrieger & Gerloff Gatt. Cosmarium: 220 1965
Cosmarium prominensW.B. Turner image
Cosmarium prominulum f. bavaricumKaiser image
Cosmarium prominulum f. ornatum_('ornata')Lütkemüller image
Cosmarium prominulumRaciborski image
Cosmarium prominulum var. orientaleScott & Prescott image
Cosmarium prominulum var. subundulatumWest & West image
Cosmarium promontoriumWest & G.S. West J. Roy. Micr. Soc. 1894: 7, pl. I: fig. 14 1894
Cosmarium propinquumG.S. West image
Cosmarium proteiforme var. wallichiiW.B. Turner image
Cosmarium proteiformeW.B. Turner image
Cosmarium protomphalumSkuja image
Cosmarium protomphalum var. angularePrescott & Scott image
Cosmarium protractulumBrühl & Biswas image
Cosmarium protractum(Nägeli) de Bary Untersuch. Conjugaten: 72 1858
Cosmarium protractum(Naegeli) Archer image
Cosmarium protractumBrühl & Biswas image
Cosmarium protractum f. basigranulatumWade image
Cosmarium protractum var. paraguayenseLemmermann image
Cosmarium protractum var. procerumR. Lenzenweger Stapfia 22: 101, pl. V: fig. 3 1989
Cosmarium protractum var. schmidleiGrönblad image
Cosmarium protuberans f. elevatum_('elevata')Eichler & Raciborski image
Cosmarium protuberans f. glabrumRaciborski image
Cosmarium protuberans f. paludosum_('paludosa')West & West image
Cosmarium protuberansLundell image
Cosmarium protuberans var. centratumSkuja image
Cosmarium protuberans var. elevatum(Eichler & Raciborski) Krieger & Gerloff image
Cosmarium protuberans var. granulatumWolle image
Cosmarium protuberans var. guyanenseP. Bourrelly & A. Couté image
Cosmarium protuberans var. guyanense_(`guyanensis')P. Bourrelly & A. Couté Amazoniana 7: 248, 260, pl. XVII: fig. 9 1982
Cosmarium protuberans var. minus_('minor')Schmidle image
Cosmarium protuberans var. paludosum(West & West) Krieger & Gerloff image
Cosmarium protuberans var. scrobiculatumCapdevielle image
Cosmarium protuberans var. skujaeGrönblad image
Cosmarium protuberans var. subgranulatumRaciborski image
Cosmarium protuberans var. sumatranumA.M. Scott & Prescott Hydrobiologia 17: 66, pl. 32: fig. 18 1961
Cosmarium protuberans var. sumatranumScott & Prescott image
Cosmarium protuberans var. transiensSkuja image
Cosmarium protumidum f. ellipticumNordstedt image
Cosmarium protumidum f. evolutumNordstedt image
Cosmarium protumidum f. intermediumNordstedt image
Cosmarium protumidum f. triquetrumNordstedt image
Cosmarium protumidumNordstedt image
Cosmarium protumidumNordstedt image
Cosmarium prowseiGrönblad & Scott image
Cosmarium prowsei var. depauperatumThomasson image
Cosmarium pseudadoxum f. minusS. Yacubson Rev. Algol., ser. 2 11: 115, pl. VI: fig. 65 1974
Cosmarium pseudadoxumJao image
Cosmarium pseudanaxBorge image
Cosmarium pseudarctoidesStrøm image
Cosmarium pseudarctoidesStrøm Nyt Mag. Naturvidensk. 57: 173 1920
Cosmarium pseudarctoum f. australe_('australis')(Raciborski) West & West image
Cosmarium pseudarctoumNordstedt image
Cosmarium pseudarctoum var. colorumHirano image
Cosmarium pseudarctoum var. trigonumBorge image
Cosmarium pseudatlanthoideumW. West image
Cosmarium pseudisthmochondrum var. lithuanicumWoloszynska image
Cosmarium pseudisthmochondrumWille image
Cosmarium pseudoamoenum f. minusK. Förster & Eckert image
Cosmarium pseudoamoenum var. basilareNordstedt image
Cosmarium pseudoamoenum var. basilareNordstedt image
Cosmarium pseudoamoenum var. carinthiacum_('carinthiaca')Schmidle image
Cosmarium pseudoamoenum var. carniolicum_('carniolica')Schmidle image
Cosmarium pseudoamoenum var. hunanicumJao image
Cosmarium pseudoamoenum var. inornatum(Joshua) Croasdale image
Cosmarium pseudoamoenum var. reductumHinode image
Cosmarium pseudoamoenumWille image
Cosmarium pseudoarmatumScott & Prescott image
Cosmarium pseudobaroniiWoodhead & Tweed image
Cosmarium pseudobengalenseG.W. Prescott in Prescott et al. Syn. N. Amer. Desmids 2{3}: 235, pl. CCVIII: fig. 11 1981
Cosmarium pseudobicuneatumJao image
Cosmarium pseudobinerveGrönblad image
Cosmarium pseudobioculatumGutwinski image
Cosmarium pseudobiremumBoldt image
Cosmarium pseudobiremum f. medioscrobiculatumJ.A. Rino Revista Ci. Biol., Fac. Ci. Univ. Lourenc\*,o Marques, A, 5: 239, pl. XXV: figs. 14, 15 1972
Cosmarium pseudobiremum f. minus_('minor')Boldt image
Cosmarium pseudobiremum var. hinganicumNoda & Skvortzov image
Cosmarium pseudobiremum var. punctatumFritsch & Rich image
Cosmarium pseudoblyttiiGrönblad image
Cosmarium pseudoboeckiiGutwinski image
Cosmarium pseudoboeckiiGutwinski image
Cosmarium pseudobotrytis(Gay) Hansgirg image
Cosmarium pseudobotrytis f. pyrenaicum_('pyrenaica')Gay image
Cosmarium pseudobotrytis var. majusBorge image
Cosmarium pseudobotrytis var. minus_('minor')Gutwinski image
Cosmarium pseudobroomei f. delpontiiHomfeld image
Cosmarium pseudobroomei var. apertumFörster image
Cosmarium pseudobroomei var. compressumG.S. West image
Cosmarium pseudobroomei var. convexumWest & West image
Cosmarium pseudobroomei var. elegansWest & West image
Cosmarium pseudobroomei var. madagascarienseWest & West image
Cosmarium pseudobroomei var. perigranulatumK. Förster Amazoniana 2: 54, pl. 15: fig. 16 1969
Cosmarium pseudobroomeiWolle image
Cosmarium pseudocellatumHirano image
Cosmarium pseudocommissuraleF.A.C. Kouwets Nova Hedwigia 53: 396 1991
Cosmarium pseudoconnatum f. majus_('major')Wille image
Cosmarium pseudoconnatum f. minus_('minor')U.C. Pandey & D.C. Pandey image
Cosmarium pseudoconnatumNordstedt image
Cosmarium pseudoconnatum var. attenuatumFörster & Eckert image
Cosmarium pseudoconnatum var. borgeiFörster image
Cosmarium pseudoconnatum var. constrictumW. West image
Cosmarium pseudoconnatum var. ellipsoideumWest & West image
Cosmarium pseudoconnatum var. latumKrieger & Gerloff image
Cosmarium pseudoconnatum var. ornatumV. Allorge & P. Allorge image
Cosmarium pseudoconnatum var. pluriradiansScott & Grönblad image
Cosmarium pseudoconnatum var. subconstrictumJao image
Cosmarium pseudoconnatum var. truncatumFritsch image
Cosmarium pseudocoronatumW.B. Turner image
Cosmarium pseudocostatumGutwinski image
Cosmarium pseudocrenatumGutwinski image
Cosmarium pseudocucurbitaBourrelly image
Cosmarium pseudocyclicumJ.P. Keshri & D. Das in Das & Keshri Biblioth. Phycologica 119: 117, pl. V: figs. 131, 132 2016
Cosmarium pseudocymatiumDeflandre image
Cosmarium pseudodavidsoniiSkuja image
Cosmarium pseudodebaryiJ.P. Keshri & D. Das in Das & Keshri Biblioth. Phycologica 119: 118, pl. IV: figs. 115, 116 2016
Cosmarium pseudodecoratumSchmidle image
Cosmarium pseudodifficileM. Van Westen Phytotaxa 238: 232, figs. 4, 11-13, 49, 50 2015
Cosmarium pseudoemarginatumKrieger & Gerloff image
Cosmarium pseudoexiguumRaciborski image
Cosmarium pseudoexiguum var. angustatumWest & West image
Cosmarium pseudoexiguum var. bigemmatumGrönblad image
Cosmarium pseudoexiguum var. clausumSkuja image
Cosmarium pseudoexiguum var. hexagonumGrönblad image
Cosmarium pseudoexiguum var. quadratumKrieger image
Cosmarium pseudoexiguum var. reniforme(Hirano) Krieger & Gerloff image
Cosmarium pseudoexiguum var. retusumHirano image
Cosmarium pseudoexiguum var. subhexagonumHinode image
Cosmarium pseudofontigenum_('pseudo-fontigenum')Gutwiński Bot. Centralbl. 43: 67 1890
Cosmarium pseudoformosulumM. Van Westen Phytotaxa 238: 232, figs. 6, 14-16, 47 2015
Cosmarium pseudogranatum f. majus_('major')Nordstedt image
Cosmarium pseudogranatum f. medium_('media')Nordstedt image
Cosmarium pseudogranatum f. minus_('minor')Nordstedt image
Cosmarium pseudogranatumNordstedt image
Cosmarium pseudohammeri_('pseudo-hammeri')Noda & Skvortzov image
Cosmarium pseudohexagonoidesBrühl & Biswas image
Cosmarium pseudohibernicumLütkemüller image
Cosmarium pseudoholmiiBorge image
Cosmarium pseudoholmii f. minus_('minor')Thomasson image
Cosmarium pseudoholmii var. triquetrumSkuja image
Cosmarium pseudoincrassatumP. Bourrelly & A. Couté image
Cosmarium pseudoincrassatumP. Bourrelly & A. Couté Amazoniana 7: 248 1982
Cosmarium pseudoincrassatum var. brasiliense(K. Förster) P. Bourrelly & A. Couté image
Cosmarium pseudoincrassatum var. brasiliense(K. Förster) P. Bourrelly & A. Couté Amazoniana 7: 248 1982
Cosmarium pseudoinsigneG.W. Prescott in G.W. Prescott, H.T. Croasdale, W.C. Vinyard, & C.E.M. Bicudo Syn. N. Amer. Desmids 2{3}: 238 1981
Cosmarium pseudoinsigne var. minusD.B. Williamson Arch. Hydrobiol. Suppl. 152 (Algol. Stud. 112): 113, pl. 3: 5 2004
Cosmarium pseudokirchneriBorge image
Cosmarium pseudolundelliiA. Kenins Notulae algarum 13: 1 2016
Cosmarium pseudolundelliiJ.P. Keshri & D. Das in Das & Keshri Biblioth. Phycologica 119: 119, pl. VI: fig. 175 2016
Cosmarium pseudomagnificum f. brasilienseK. Förster & Eckert in Förster Rev. Algol., ser. 2, 7: 74, pl. 7: fig. 2 1963
Cosmarium pseudomagnificum f. brasilienseK. Förster & Eckert image
Cosmarium pseudomagnificumHinode image
Cosmarium pseudomagnificum var. brasiliense(K. Förster & Eckert) K. Förster Arch. Hydrobiol. Suppl. 60(3) (Algol. Stud. 28): 241 1981
Cosmarium pseudomansangenseK. Förster Arch. Hydrobiol. Suppl. 60(3) (Algol. Stud. 28): 242 1981
Cosmarium pseudomansangense var. scrobiculatumP. Bourrelly & A. Couté Biblioth. Phycol. 86: 92, 192, pl. XXXVI: fig. 10 1991
Cosmarium pseudomargaritatumNoda & Skvortzov image
Cosmarium pseudomargaritiferum f. minus_('minor')S. Peterfi image
Cosmarium pseudomargaritiferumReinsch image
Cosmarium pseudomeneghiniiFörster image
Cosmarium pseudonitidulumNordstedt image
Cosmarium pseudonitidulum var. angustissimumGrönblad image
Cosmarium pseudonitidulum var. levissimum_('levissima')Schmidle image
Cosmarium pseudonitidulum var. majusBernard image
Cosmarium pseudonitidulum var. majusReinsch image
Cosmarium pseudonitidulum var. rotundatumKrieger & Gerloff image
Cosmarium pseudonitidulum var. validumWest & West image
Cosmarium pseudonitidulum var. validumWest & West image
Cosmarium pseudoobsoletumJ.P. Keshri & D. Das in Das & Keshri Biblioth. Phycologica 119: 119, pl. V: fig. 144 2016
Cosmarium pseudooctangulareGrönblad image
Cosmarium pseudooctangulare var. incrassatumFörster image
Cosmarium pseudoorbiculatumJ.A. Cushman Bull. Torrey Bot. Club 32: 225, pl. 7: fig. 9 1905
Cosmarium pseudoornatumEichler & Gutwinski image
Cosmarium pseudoornatum var. caucasicumVoronikhin image
Cosmarium pseudoornatum var. uralenseWoronichin image
Cosmarium pseudopachydermumNordstedt image
Cosmarium pseudopachydermumNordstedt image
Cosmarium pseudopachydermum var. incrassatumF.E. Fritsch & Rich image
Cosmarium pseudopachydermum var. incrassatum_(`incrassata')F.E. Fritsch & M.F. Rich Trans. Roy. Soc. South Africa 25: 193, fig. 16 A, B 1937
Cosmarium pseudopectinoidesWolle image
Cosmarium pseudopericymatiumHinode image
Cosmarium pseudophaseolusBrühl & Biswas image
Cosmarium pseudophaseolus var. depressumSuxena & Venkateswarlu image
Cosmarium pseudophaseolus var. tithophoroides(Krieger) Krieger & Gerloff image
Cosmarium pseudopraemorsumHodgetts image
Cosmarium pseudopromentoriumGrönblad image
Cosmarium pseudoprotractumClaassen image
Cosmarium pseudoprotuberans f. excavatum_('excavata')Krieger & Gerloff image
Cosmarium pseudoprotuberans f. leopolienseGutwinski image
Cosmarium pseudoprotuberans f. minusKosinskaya image
Cosmarium pseudoprotuberans f. minus_('minor')Eichler Pamietnik Fizyjograficzny 14{Dzial 3}: 128, fig. 27 1896
Cosmarium pseudoprotuberans f. typicum_('typica')W.B. Turner image
Cosmarium pseudoprotuberansKirchner image
Cosmarium pseudoprotuberans var. alpinumRaciborski image
Cosmarium pseudoprotuberans var. angulatumKrieger image
Cosmarium pseudoprotuberans var. angustiusNordstedt image
Cosmarium pseudoprotuberans var. angustiusNordstedt image
Cosmarium pseudoprotuberans var. australePlayfair image
Cosmarium pseudoprotuberans var. boergeseniiGrönblad image
Cosmarium pseudoprotuberans var. borgeiInsam & Krieger image
Cosmarium pseudoprotuberans var. groenbladiiCroasdale image
Cosmarium pseudoprotuberans var. inapertumMessikommer image
Cosmarium pseudoprotuberans var. kirchneriRaciborski image
Cosmarium pseudoprotuberans var. kossinskajaeKrieger & Gerloff image
Cosmarium pseudoprotuberans var. notatumSkuja image
Cosmarium pseudoprotuberans var. pygmaeumGutwinski image
Cosmarium pseudoprotuberans var. retusiformeFritsch & Rich image
Cosmarium pseudoprotuberans var. saxonicum(Raciborski) Krieger & Gerloff image
Cosmarium pseudoprotuberans var. trapezoadricumPrintz image
Cosmarium pseudoprotuberans var. trigonumNordstedt image
Cosmarium pseudoprotuberans var. tumidumBorge Bot. Not. 1911: 200, pl. 2: fig. 4 1911
Cosmarium pseudopunctulatumCarlson image
Cosmarium pseudopyramidatum f. amplumBeck-Mannagetta image
Cosmarium pseudopyramidatum f. angustius_('angustior')Eichler Pamietnik Fizyjograficzny 14{Dzial 3}: 127, fig. 24 1896
Cosmarium pseudopyramidatum f. carolinarumSchmidle image
Cosmarium pseudopyramidatum f. excavatum_('excavata')Nordstedt image
Cosmarium pseudopyramidatum f. minus_('minor')Fritsch & Rich image
Cosmarium pseudopyramidatum f. minus_('minor')Raciborski image
Cosmarium pseudopyramidatum f. minus_('minor')Wille image
Cosmarium pseudopyramidatum f. tuberculatum_('tuberculata')Prescott & Scott image
Cosmarium pseudopyramidatumLundell Nova Acta R. Soc. Sci. Upsal., ser. 3, 8{2}: 41 1871
Cosmarium pseudopyramidatum subrectangulare_('subrectangularis')W. West image
Cosmarium pseudopyramidatum subsp. maximum_('maxima')Børgesen Vid. Medd. Naturh. For. Kjobenhavn 51: 327, no fig. 1899
Cosmarium pseudopyramidatum subsp. maximum_('maxima')Børgesen image
Cosmarium pseudopyramidatum subsp. stenonotumNordstedt Öfvers. K. [Svenska] Vet.-Akad. Förh. 33{6}: 32, pl. XII: fig. 8 1876
Cosmarium pseudopyramidatum subsp. umbonulatumNordstedt Bot. Not. 1887: 161, no fig. 1887
Cosmarium pseudopyramidatum var. abruptumKrieger & Gerloff image
Cosmarium pseudopyramidatum var. ansatumKrieger & Gerloff image
Cosmarium pseudopyramidatum var. borgeiKrieger & Gerloff image
Cosmarium pseudopyramidatum var. carniolicumLütkemüller image
Cosmarium pseudopyramidatum var. carolinarum(Schmidle) Krieger & Gerloff image
Cosmarium pseudopyramidatum var. crispulumNordstedt image
Cosmarium pseudopyramidatum var. excavatum(Nordstedt) Krieger & Gerloff image
Cosmarium pseudopyramidatum var. extensum(Nordstedt) Krieger & Gerloff image
Cosmarium pseudopyramidatum var. glabrum_('glabra') vanOye image
Cosmarium pseudopyramidatum var. gypsorum(Gutwiński) O.A. Petlovany in P.M. Tsarenko et al. (eds.) Algae of Ukraine 4: 230 2015
Cosmarium pseudopyramidatum var. lentiferumW.R. Taylor image
Cosmarium pseudopyramidatum var. maximum(Børgesen) G.W. Prescott, H.T. Croasdale, W.C. Vinyard & C.E. Bicudo Syn. N. Amer. Desmids 2{3}: 245 1981
Cosmarium pseudopyramidatum var. maximum_('maxima')Børgesen image
Cosmarium pseudopyramidatum var. minus(Wille) Hansgirg image
Cosmarium pseudopyramidatum var. nobileSkuja image
Cosmarium pseudopyramidatum var. oculatumKrieger image
Cosmarium pseudopyramidatum var. peixeiPrescott Los Angeles County Museum Contr. Sci. 11: 14, pl. 2: figs. 7, 8 1957
Cosmarium pseudopyramidatum var. rotundatumHinode image
Cosmarium pseudopyramidatum var. rotundatumKrieger & Gerloff image
Cosmarium pseudopyramidatum var. stenonotum(Nordstedt) W. West & G.S. West image
Cosmarium pseudopyramidatum var. subtumidumRaciborski image
Cosmarium pseudopyramidatum var. umbonulatum(Nordstedt) G.W. Prescott, H.T. Croasdale, W.C. Vinyard & C.E. Bicudo Syn. N. Amer. Desmids 2{3}: 245 1981
Cosmarium pseudopyramidatum var. variolatum(Lundell) Hansgirg image
Cosmarium pseudoquadratulumPrescott & Scott image
Cosmarium pseudoquadratulum var. papillosumFörster image
Cosmarium pseudoquadrifariumCholnoky image
Cosmarium pseudoquinariumHirano image
Cosmarium pseudoquinariumHirano image
Cosmarium pseudoralfsiiMigula Krypt.-Fl. Deutschl., Alg. 1: 423 1906
Cosmarium pseudorectangulareMessikommer image
Cosmarium pseudorectangulare var. incrassatumFörster image
Cosmarium pseudoredimitumP.F.M. Coesel & A. Van Geest Plant Ecology and Evolution 150: 340, figs. 2K,L, 4Q,R, 5A,B 2017
Cosmarium pseudoregnesiiWest & West image
Cosmarium pseudoreniformeM. Van Westen Phytotaxa 238: 233, figs. 3, 17-19, 48 2015
Cosmarium pseudoretusiformeGrönblad image
Cosmarium pseudoretusumDucellier Bull. Soc. Bot. Genève, ser. 2, 10: 99 1918
Cosmarium pseudoretusum var. africanum(Fritsch) W. West & G.S. West image
Cosmarium pseudoretusum var. inaequelipellicum(W. & W.) Krieger & Gerloff image
Cosmarium pseudorthopunctatumWest & West image
Cosmarium pseudoscenedesmusWest & West image
Cosmarium pseudosexangulareHodgetts image
Cosmarium pseudospeciosum f. latius_('latior')Gutwinski image
Cosmarium pseudospeciosumRaciborski image
Cosmarium pseudostaurastrumP.F.M. Coesel & S. Alfinito Nord. J. Bot. 25: 251 2007
Cosmarium pseudostenonotumEichler & Gutwinski image
Cosmarium pseudosulcatumRich Trans. Roy. Soc. S. Afr. 23: 138, fig. 14 1935
Cosmarium pseudosulcatum var. bituberculatum(F.E. Fritsch & M.F. Rich) P.F.M. Coesel Nordic J. Botany 22: 246 2003
Cosmarium pseudosulcatum var. polynodosumP. Bourrelly & A. Couté Biblioth. Phycol. 86: 94, 192, pl. XXIX: figs. 2, 3 1991
Cosmarium pseudosulcatum_('pseudo-sulcatum')Rich image
Cosmarium pseudotaxichondrumEichler & Gutwinski image
Cosmarium pseudotaxichondrum f. denticulatumScott & Prescott image
Cosmarium pseudotaxichondrum f. michiganenseC.E. Bicudo in Prescott et al. Syn. N. Amer. Desmids 2{3}: 249, pl. CCLVII: fig. 7 1981
Cosmarium pseudotaxichondrum f. scottiiG.W. Prescott in Prescott et al. Syn. N. Amer. Desmids 2{3}: 250, pl. CCLVIII: fig. 9 1981
Cosmarium pseudotaxichondrum f. simplexCompère image
Cosmarium pseudotaxichondrumNordstedt Öfvers. K. [Svenska] Vet.-Akad. Förh. 34{3}: 20, pl. II: fig. 5 1877
Cosmarium pseudotaxichondrum subsp. trichondrumLagerheim image
Cosmarium pseudotaxichondrum var. africanumW. West & G.S. West image
Cosmarium pseudotaxichondrum var. ambadiense(Grönblad & A.M. Scott) Bourrelly image
Cosmarium pseudotaxichondrum var. asymmetricumP. Bourrelly & A. Couté Amazoniana 7: 248, 260, pl. XVII: fig. 8 1982
Cosmarium pseudotaxichondrum var. asymmetricumP. Bourrelly & A. Couté image
Cosmarium pseudotaxichondrum var. atomicumClaassen image
Cosmarium pseudotaxichondrum var. biverrucosumBorge image
Cosmarium pseudotaxichondrum var. depressumEichler & Gutwinski image
Cosmarium pseudotaxichondrum var. distansFörster & Eckert image
Cosmarium pseudotaxichondrum var. floridenseW. West & G.S. West image
Cosmarium pseudotaxichondrum var. foersteriC.E. Bicudo in Prescott et al. Syn. N. Amer. Desmids 2{3}: 248, pl. CCLVII: fig. 5 1981
Cosmarium pseudotaxichondrum var. foggiiTaylor image
Cosmarium pseudotaxichondrum var. hiansLagerheim image
Cosmarium pseudotaxichondrum var. longii(Taylor) Scott image
Cosmarium pseudotaxichondrum var. paulenseBorge image
Cosmarium pseudotaxichondrum var. pentachondrumBourrelly Bull. Inst. Franc\*,. Afr. Noire, ser. A, 19: 1075, pl. 8: fig. 73 1957
Cosmarium pseudotaxichondrum var. pseudolongiiP. Bourrelly & A. Couté Biblioth. Phycol. 86: 96, 192, pl. XXXII: figs. 8, 9 1991
Cosmarium pseudotaxichondrum var. quadridentulumLagerheim image
Cosmarium pseudotaxichondrum var. rotundatumScott & Grönblad image
Cosmarium pseudotaxichondrum var. scottiiFörster image
Cosmarium pseudotaxichondrum var. septentrionaleW.R. Taylor image
Cosmarium pseudotaxichondrum var. siamenseW. West & G.S. West image
Cosmarium pseudotaxichondrum var. simplexP. Bourrelly & A. Couté Biblioth. Phycol. 86: 96, 193, pl. XXXIII: fig. 3 1991
Cosmarium pseudotaxichondrum var. sublongiiK. Förster Amazoniana 2: 55, pl. 20: figs. 13, 14 1969
Cosmarium pseudotetrachondrumWoloszynska image
Cosmarium pseudotinecenseGrönblad image
Cosmarium pseudotinecense var. faakense(Beck) Krieger & Gerloff image
Cosmarium pseudotithophorumWoodhead & Tweed image
Cosmarium pseudotrachypleurumM.C. van Westen & P.F.P. Coesel Desmidiologische Mededelingen 9: 15, fig. 6 2022
Cosmarium pseudotrachypleurumNoda & Skvortzov image
Cosmarium pseudotriplicatumScott & Grönblad image
Cosmarium pseudotusP.F.M. Coesel & A. Van Geest Syst. Geogr. Pls. 79: 22, figs. 18, 19 2009
Cosmarium pseudovariolatum f. elongatum(A.M. Scott & Grönblad) Y. Kanetsuna Phycol. Res. 52: 165 2004
Cosmarium pseudovariolatumGrönblad image
Cosmarium pseudovariolatum var. incrassatum(A.M. Scott & Grönblad) Y. Kanetsuna Phycol. Res. 52: 163 2004
Cosmarium pseudovariolatum var. majus_('major')Y. Kanetsuna Phycol. Res. 52: 165, figs. 15-17, 43-45 2004
Cosmarium pseudowembarenseF.A.C. Kouwets Cryptogamie: Algologie 19: 133, figs. 45-52 1998
Cosmarium pseudowolleanumG.W. Prescott in Prescott et al. Syn. N. Amer. Desmids 2{3}: 252 1981
Cosmarium pseudoxanthidiformeFörster & Eckert image
Cosmarium pseudoxanthidiumP.F.M. Coesel & A. Van Geest Syst. Geogr. Pls. 79: 24 2009
Cosmarium pterophorumWest & West image
Cosmarium ptilotumW.B. Turner image
Cosmarium pulchellum var. trapeziumGrönblad image
Cosmarium pulchellumW.B. Turner image
Cosmarium pulcherrimum f. minus_('minor')Schmidle image
Cosmarium pulcherrimum f. senegalense_('senegalensis')Nordstedt image
Cosmarium pulcherrimumNordstedt image
Cosmarium pulcherrimum var. borealeNordstedt image
Cosmarium pulcherrimum var. majusReinsch Int. Polarforsch. 1882-1883, Deutsch. Exped. Ergebn. 2: 349, pl. I: fig. 14a-c 1890
Cosmarium pulcherrimum var. truncatumGutwinski image
Cosmarium pulvinatumWest & West image
Cosmarium pumilioSeckt image
Cosmarium punctulatumBrebisson image
Cosmarium punctulatum f. arcticumCroasdale image
Cosmarium punctulatum f. circulare_('circularis')Lewin image
Cosmarium punctulatum f. majus_('major')Huber-Pestalozzi image
Cosmarium punctulatum f. malagense_('malagensis')M. Lewin image
Cosmarium punctulatum f. minus_('minor')Hinode image
Cosmarium punctulatum f. minus_('minor')Huber-Pestalozzi image
Cosmarium punctulatum f. typicum_('typica')Schmidle image
Cosmarium punctulatum f. welwitschiiWoodhead & Tweed image
Cosmarium punctulatum f. westianumPoljansky image
Cosmarium punctulatum subsp. brasilienseNordstedt image
Cosmarium punctulatum var. asiaticumSkvortzov & Noda image
Cosmarium punctulatum var. bidentulatumWille image
Cosmarium punctulatum var. brasiliense(Nordstedt) Hansgirg image
Cosmarium punctulatum var. creperiformeSchmidle image
Cosmarium punctulatum var. danicumWest image
Cosmarium punctulatum var. depressumW.B. Turner image
Cosmarium punctulatum var. elongatumKlebs image
Cosmarium punctulatum var. granulusculum(Roy & Bisset) West & West image
Cosmarium punctulatum var. klebsianumW.B. Turner image
Cosmarium punctulatum var. mesoleiumRaciborski image
Cosmarium punctulatum var. minus_('minor')P. Van Oye & G. Cornil Bull. Soc. Roy. Bot. Belgique LXXIII: 41, no fig. 1940
Cosmarium punctulatum var. ornatum_('ornata')Istvanffi image
Cosmarium punctulatum var. ornatum_('ornata')Istvanffi image
Cosmarium punctulatum var. perforatumEichler & Gutwinski image
Cosmarium punctulatum var. pindanumSkuja image
Cosmarium punctulatum var. rhomboideumRaciborski image
Cosmarium punctulatum var. rotundatumKlebs image
Cosmarium punctulatum var. seriatumKrieger image
Cosmarium punctulatum var. subpunctulatum(Nordstedt) Børgesen Medd. om Grönland 18: 11 1894
Cosmarium punctulatum var. subrectangulareMessikommer, inval. image
Cosmarium punctulatum var. subtilissimumSchmidle image
Cosmarium punctulatum var. triquetrumNordstedt image
Cosmarium punctulatum var. typicumKlebs image
Cosmarium pusillum(Brebisson) Archer image
Cosmarium pusillum f. intermedium_('intermedia')Gutwinski image
Cosmarium pusillum var. retusumW.B. Turner image
Cosmarium pustulatumFörster Int. Rev. Hydrobiol. 57: 420, pl. II:1-7 1972
Cosmarium pustulatumFörster image
Cosmarium puteale f. munitum_('munita')W.B. Turner image
Cosmarium putealeW.B. Turner image
Cosmarium pycnochondrumNordstedt image
Cosmarium pycnochondrum var. minus_('minor')Shirshov Trans. Arctic Inst. 14: 161, no fig. 1935
Cosmarium pygmaeum var. apertumSkuja Nova Acta Reg. Soc. Sci. Upsal., ser. 4, 16{3}: 213, pl. XXXVI: figs. 16-18 1956
Cosmarium pygmaeum var. atumidumGrönblad image
Cosmarium pygmaeum var. heimerlii(West & West) Krieger & Gerloff image
Cosmarium pygmaeum var. perornatumSkuja image
Cosmarium pygmaeum var. quadrimamillatum(W. & W.) Krieger image
Cosmarium pygmaeum var. schliephackianumWest image
Cosmarium pygmaeumW. Archer Quart. J. Micr. Sci., ser. 2, 4: 174, pl. VI: figs. 45-49 1864
Cosmarium pyramidatumBrebisson image
Cosmarium pyramidatum f. abnormeBeck-Mannagetta Ve\*vstn. Král. C\*veské Společn. Nauk, Tr\*v. Mat.-Pr\*vír. [Mém. Soc. Roy. Sci. Bohe\*^me, Cl. Sci.] 1926{10}: 7 1927
Cosmarium pyramidatum f. brebissonii(Reinsch) Riabinine Bull. Soc. Imp. Naturalistes Moscou, ser. 2, 2: 323 [misprinted 223] 1888
Cosmarium pyramidatum f. carolinarumSchmidle image
Cosmarium pyramidatum f. excavatum_('excavata')Nordstedt image
Cosmarium pyramidatum f. intermedium_('intermedia')Nordstedt image
Cosmarium pyramidatum f. maximum_('maxima') 'Borge' image
Cosmarium pyramidatum f. minus &Bicudo image
Cosmarium pyramidatum f. minusU.C. Pandey & D.C. Pandey J. Indian Bot. Soc. 59: 247, fig. 4 1980
Cosmarium pyramidatum f. minus_('minor')J. Schaarschmidt Magyar Tud. Akad. Math. Termész. Köz. 18: 268, no fig. 1883
Cosmarium pyramidatum f. minus_('minor')U.C. Pandey & D.C. Pandey image
Cosmarium pyramidatum f. stephaniiIrénée-Marie Fl. desmid. Montreal: 170, pl. 32: figs. 8-10 1939
Cosmarium pyramidatum f. stephanii_('stephani')Irenee-Marie image
Cosmarium pyramidatum f. tropicum_('tropica')W. & G.S. West image
Cosmarium pyramidatum f. typicumKlebs image
Cosmarium pyramidatum subsp. abnormeLütkemüller Verh. K.K. Zool.-Bot. Ges. Wien 42{Abh.}: 556 1893
Cosmarium pyramidatum subsp. abnormeLütkemüller image
Cosmarium pyramidatum subsp. capenseNordstedt Lunds Univ. A\*orsskr. 16, Afd. Math. och Naturv. 4: 6, fig. 8 1880
Cosmarium pyramidatum var. alpinumBeck-Mannagetta image
Cosmarium pyramidatum var. angustatumWest & West image
Cosmarium pyramidatum var. borgeiKrieger & Gerloff image
Cosmarium pyramidatum var. borgiiKrieger & Gerloff Gatt. Cosmarium: 123, pl. 25: fig. 5 1965
Cosmarium pyramidatum var. canadenseBourrelly image
Cosmarium pyramidatum var. convexumKrieger & Gerloff Gatt. Cosmarium: 123, pl. 25: fig. 6 1965
Cosmarium pyramidatum var. convexumKrieger & Gerloff image
Cosmarium pyramidatum var. elongatumClaassen image
Cosmarium pyramidatum var. gypsorumGutwiński Bot. Centralbl. 43: 68 1890
Cosmarium pyramidatum var. indicumJ.P. Keshri & D. Das in Das & Keshri Biblioth. Phycologica 119: 120, pl. VI: figs. 166-168 2016
Cosmarium pyramidatum var. majusClaassen image
Cosmarium pyramidatum var. maximumKrieger & Gerloff image
Cosmarium pyramidatum var. maximumKrieger & Gerloff Gatt. Cosmarium: 123 1965
Cosmarium pyramidatum var. minus_('minor')P. Reinsch image
Cosmarium pyramidatum var. minus_('minor')Reinsch in Rabenhorst Hedwigia 5: 152, no fig. 1866
Cosmarium pyramidatum var. parallelumW. & G.S. West image
Cosmarium pyramidatum var. pseudocucumisKlebs image
Cosmarium pyramidatum var. rotundatumHinode image
Cosmarium pyramidatum var. stenonotum(Nordstedt) Klebs image
Cosmarium pyramidatum var. stephanii_('stephani')(Irénée-Marie) Krieger & Gerloff Gatt. Cosmarium: 124 1965
Cosmarium pyramidatum var. stephanii_('stephani')(Irénée-Marie) Krieger & Gerloff image
Cosmarium pyramidatum var. subangustatumScott & Grönblad image
Cosmarium pyramidatum var. subgranatumKlebs image
Cosmarium pyramidatum var. trapeziformeFörster image
Cosmarium pyriforme f. reductumA.M. Scott ex H. Croasdale in Croasdale & Scott Nova Hedwigia 27: 534, pl. 9:3 1976
Cosmarium pyriforme f. reductumScott ex Croasdale image
Cosmarium pyriformeNordstedt image
Cosmarium pyriforme var. subpyriforme(Lagerheim) Krieger & Gerloff image
Cosmarium pyxisWoodhead & Tweed North Western Naturalist 23: 27, fig. 24 1948
Cosmarium quadragies-cuspidatumCorda Alman. Carlsbad 10: 215, pl. VI: fig. 40 1840
Cosmarium quadrangulareCorda Alman. Carlsbad 9: 243, pl. VI: fig. 32 1839
Cosmarium quadrangulatumHantzsch image
Cosmarium quadrangulatumHantzsch image
Cosmarium quadransW.B. Turner image
Cosmarium quadratulum(F. Gay) De Toni Syll. Alg. 1: 934 1889
Cosmarium quadratulum f. javanicum_('javanica')Gutwinski image
Cosmarium quadratulum f. majus_('major')Gutwinski image
Cosmarium quadratulum var. applanatumInsam & Krieger image
Cosmarium quadratulum var. boldtii(Messikommer) Krieger & Gerloff image
Cosmarium quadratulum var. euastriformeLaporte image
Cosmarium quadratulum var. latum_('lata')Irenee-Marie image
Cosmarium quadratulum var. pseudoboldtiiRuzicka image
Cosmarium quadratulum var. subimpressulum(J. Dick) Krieger & Gerloff Gatt. Cosmarium: 190 1965
Cosmarium quadratulum var. sublobatiformeGrönblad image
Cosmarium quadratulum var. tuberculatumScott & Grönblad image
Cosmarium quadratum f. borealeCroasdale image
Cosmarium quadratum f. cylindricum_('cylindrica')Eichler Pamietnik Fizyjograficzny 14{Dzial 3}: 126, fig. 15 1896
Cosmarium quadratum f. majusHalasz image
Cosmarium quadratum f. majus_('major')Irenee-Marie image
Cosmarium quadratum f. majus_('major')Wille image
Cosmarium quadratum f. punctatum_('punctata')Hodgetts image
Cosmarium quadratum f. tumidumCapdevielle image
Cosmarium quadratum f. willei(Schmidle) West & West image
Cosmarium quadratumRalfs image
Cosmarium quadratumRalfs ex Ralfs Brit. Desmid.: 92, pl. XV: fig. 1 1848
Cosmarium quadratum var. africanumFritsch image
Cosmarium quadratum var. angustatumWest & West image
Cosmarium quadratum var. compressumRoubal image
Cosmarium quadratum var. divergensHirano image
Cosmarium quadratum var. genuinumKirchner image
Cosmarium quadratum var. maiusLundell image
Cosmarium quadratum var. minusGrunow image
Cosmarium quadratum var. minusK. Förster Khumbu Himal; Ergebnisse 2: 44, pl. 1: figs. 44-48; pl. 7: figs. 3, 4 1965
Cosmarium quadratum var. nepalenseK. Förster Khumbu Himal; Ergebnisse 2: 44, pl. 1: figs. 41-43; pl. 7: figs. 1, 2 1965
Cosmarium quadratum var. willei(Schmidle) Krieger & Gerloff Gatt. Cosmarium: 283 1969
Cosmarium quadricrenumM. Dingley Telopea 9: 613, fig. 3 2002
Cosmarium quadridentatum var. mamillatumKrieger image
Cosmarium quadridentatumWest & West image
Cosmarium quadrifarium f. hexastichum_('hexasticha')(Lundell) Nordstedt image
Cosmarium quadrifarium f. majus_('major')Nordstedt image
Cosmarium quadrifarium f. minus_('minor')Nordstedt image
Cosmarium quadrifarium f. octastichum_('octasticha')(Nordstedt) Nordstedt image
Cosmarium quadrifarium f. ornatumE. Larsen Meddel. Gronl. 33: 336, pl. VII: fig. 15 1907
Cosmarium quadrifarium f. polystichum_('polysticha')(Boldt) West & West image
Cosmarium quadrifarium f. rosaceum_('rosacea')Playfair image
Cosmarium quadrifarium f. stellatum_('stellata')Gutwinski image
Cosmarium quadrifarium f. trifidumPrescott & Scott image
Cosmarium quadrifariumLundell image
Cosmarium quadrifarium var. brasilienseWille image
Cosmarium quadrifarium var. gemmulatumMaskell image
Cosmarium quadrifarium var. hexastichum(Lundell) K. Förster Arch. Hydrobiol. Suppl. 60(3) (Algol. Stud. 28): 242 1981
Cosmarium quadrifarium var. octastichum(Nordstedt) K. Förster Arch. Hydrobiol. Suppl. 60(3) (Algol. Stud. 28): 242 1981
Cosmarium quadrifarium var. ornatumKrieger & Bourrelly image
Cosmarium quadrifarium var. polystichum(Boldt) K. Förster Arch. Hydrobiol. Suppl. 60(3) (Algol. Stud. 28): 242 1981
Cosmarium quadrifarium var. quadridensWei image
Cosmarium quadrifarium var. simplexKrieger image
Cosmarium quadrifarium var. tayloriiWoodhead & Tweed image
Cosmarium quadrigemmaPlayfair image
Cosmarium quadrilaterumBrühl & Biswas image
Cosmarium quadrilobatumTherezien & Couté image
Cosmarium quadrilobumPrescott & Scott image
Cosmarium quadrimamillatum var. angustumCholnoky image
Cosmarium quadrimamillatumW. & G.S. West image
Cosmarium quadripapillatumScott & Grönblad image
Cosmarium quadriverrucosum var. supraornatumSkuja image
Cosmarium quadriverrucosumWest & West image
Cosmarium quadriverrucosumWest & West image
Cosmarium quadrogranulatumWest & West image
Cosmarium quadrum f. dilatatumScott & Grönblad image
Cosmarium quadrum f. johnsonii_('johnsoni')J.A. Cushman image
Cosmarium quadrum f. punctatumCroasdale image
Cosmarium quadrumLundell image
Cosmarium quadrum var. depressumPrescott Los Angeles County Museum Contr. Sci. 11: 14, pl. 2: fig. 33 1957
Cosmarium quadrum var. distentumFritsch & Rich image
Cosmarium quadrum var. madagascariense(West & West) W. West & G.S. West image
Cosmarium quadrum var. minusNordstedt image
Cosmarium quadrum var. samoenseSchmidle image
Cosmarium quadrum var. sublatum(Nordstedt) West & West image
Cosmarium qualum(Turner) Biswas image
Cosmarium quasillus f. devonenseCroasdale image
Cosmarium quasillus f. minus_('minor')Borge image
Cosmarium quasillus f. minus_('minor')Gutwinski image
Cosmarium quasillus f. quadriferum_('quadrifera')Jacobsen image
Cosmarium quasillus f. triquetrum_('triquetra')N. Carter image
Cosmarium quasillusLundell image
Cosmarium quasillus var. alpinumSchmidle image
Cosmarium quasillus var. bicrenatum_('bicrenata')Jacobsen image
Cosmarium quasillus var. calvumKaiser image
Cosmarium quasillus var. depressum_('depressa')Raciborski image
Cosmarium quasillus var. minimumC.E. Bicudo in Prescott et al. Syn. N. Amer. Desmids 2{3}: 266, pl. CCLXXI: fig. 2 1981
Cosmarium quasillus var. polycrenatum_('polycrenata')Jacobsen image
Cosmarium quasillus var. tricrenatum_('tricrenata')Jacobsen image
Cosmarium quaternariumNordstedt image
Cosmarium quaternarium var. tumefactumNordstedt image
Cosmarium quaternarium var. tumefactumNordstedt image
Cosmarium quimbyi_('Quimbyii')H.C. Wood Smithsonian Contrib. Knowl. 19{3}: 134, pl. I: fig. 9 1873
Cosmarium quimbyiiH.C. Wood image
Cosmarium quinarium f. alaskanumCroasdale image
Cosmarium quinarium f. granulatum_('granulata')Schmidle image
Cosmarium quinarium f. irregulare_('irregularis')Nordstedt image
Cosmarium quinariumLundell image
Cosmarium quinarium var. acutiusFörster image
Cosmarium quinarium var. brasilienseFörster & Eckert image
Cosmarium quinarium var. circulareNordstedt image
Cosmarium quinarium var. granulosumPrescott Los Angeles County Mus. Contr. Sci. 11: 15, pl. 2: figs. 9-11 1957
Cosmarium quinarium var. hexagonumHughes image
Cosmarium quinarium var. pictumSkuja image
Cosmarium raciborskianumDe Toni image
Cosmarium raciborskiiLagerheim image
Cosmarium radiatumLobb image
Cosmarium radiosumWolle image
Cosmarium raeticumMessikommer image
Cosmarium ralfsiiBrébisson in Ralfs Brit. Desmid.: 93, pl. XV: fig. 3 1848
Cosmarium ralfsiiBrebisson image
Cosmarium ralfsii f. alpinumRaciborski image
Cosmarium ralfsii f. depressum_('depressa')Istvanffi image
Cosmarium ralfsii f. montanumRaciborski image
Cosmarium ralfsii var. angulosum_('angulosa')Raciborski image
Cosmarium ralfsii var. azoricumBohlin image
Cosmarium ralfsii var. depressum_('depressa')Istvanffi image
Cosmarium ralfsii var. elegansKufferath image
Cosmarium ralfsii var. montanumAllorge & Manguin image
Cosmarium ralfsii var. nanumWoodhead & Tweed North Western Naturalist 23: 27, fig. 23 1948
Cosmarium ralfsii var. perforatum(Lundell) Klebs image
Cosmarium ralfsii var. rotundatumW. West image
Cosmarium ralfsii var. skvortzoviiC. Bicudo image
Cosmarium ralfsii var. spinigerumScott & Grönblad image
Cosmarium ralfsii var. sudeticumBeck-Mannagetta Ve\*vstn. Král. C\*veské Společn. Nauk, Tr\*v. Mat.-Pr\*vír. [Mém. Soc. Roy. Sci. Bohe\*^me, Cl. Sci.] 1926{10}: 7, fig. 13 1927
Cosmarium ralfsii var. tayloriiKrieger & Gerloff image
Cosmarium ralfsii var. typicumKlebs image
Cosmarium ralfsii var. typicum_('typica')Raciborski image
Cosmarium raneegungenseW.B. Turner image
Cosmarium rarissimumD.B. Williamson Nova Hedwigia 62: 433, figs. 7, 8 1996
Cosmarium reclavumK. Thomasson Exploration hydrobiologique du bassin du lac Bangweolo et du Luapula 4(2): 24, pl. IX: figs. 7, 8 1966
Cosmarium rectangulare f. angustius_('angustior')Playfair image
Cosmarium rectangulare f. granulatumPrescott & Scott image
Cosmarium rectangulare f. latius_('latior')Playfair image
Cosmarium rectangulare f. majus_('major')Playfair image
Cosmarium rectangulare f. minus_('minor')Manguin image
Cosmarium rectangulare f. minus_('minor')Manguin image
Cosmarium rectangulare f. minus_('minor')Playfair image
Cosmarium rectangulare f. minus_('minor')Playfair image
Cosmarium rectangulare f. minus_('minor')Playfair image
Cosmarium rectangulare f. multigranulatumPrescott & Scott image
Cosmarium rectangulare f. rectilineare_('rectilinearis')Playfair image
Cosmarium rectangulare f. senile_('senilis')Playfair image
Cosmarium rectangulareGrunow in Rabenhorst Fl. Eur. Alg. III: 166 1868
Cosmarium rectangulare var. africanumW. West & G.S. West J. Bot. (London) 34: 379, pl. 361: fig. 14 1896
Cosmarium rectangulare var. altiusPlayfair image
Cosmarium rectangulare var. angustius(Nordstedt) Playfair image
Cosmarium rectangulare var. australePlayfair image
Cosmarium rectangulare var. biretumPlayfair image
Cosmarium rectangulare var. boldtiiPlayfair image
Cosmarium rectangulare var. cambrense(Turner) W. West & G.S. West image
Cosmarium rectangulare var. croasdaleaeFörster image
Cosmarium rectangulare var. cyclopeum(Playfair) Playfair image
Cosmarium rectangulare var. dentatumPlayfair image
Cosmarium rectangulare var. eichlerianumGrönblad image
Cosmarium rectangulare var. finmarkiaePlayfair image
Cosmarium rectangulare var. hexagonum(Elfv.) West & West image
Cosmarium rectangulare var. incrassatumJao image
Cosmarium rectangulare var. koreanum_('koreana')Skvortzov image
Cosmarium rectangulare var. minus(Wille) Playfair image
Cosmarium rectangulare var. nodulatumPlayfair image
Cosmarium rectangulare var. notatumPlayfair image
Cosmarium rectangulare var. ocellatumPlayfair image
Cosmarium rectangulare var. papillatumPlayfair image
Cosmarium rectangulare var. patereformePlayfair image
Cosmarium rectangulare var. quadrigeminatumPlayfair image
Cosmarium rectangulare var. reniformePlayfair image
Cosmarium rectangulare var. repandum(Nordstedt) Playfair image
Cosmarium rectangulare var. rotundatumPlayfair image
Cosmarium rectangulare var. saxonicum(Raciborski) Playfair image
Cosmarium rectangulare var. sexangulare(Lundell) Playfair image
Cosmarium rectangulare var. subhexagonumPlayfair image
Cosmarium rectangulare var. subrectangulareKrieger & Gerloff image
Cosmarium rectangulare var. subreniformePlayfair image
Cosmarium rectangulare var. sulcatum(Nordstedt) Playfair image
Cosmarium rectangulumReinsch image
Cosmarium rectangulumSchmidle image
Cosmarium rectangulum var. polonicum(Eichler & Gutwinski) Krieger & Gerloff image
Cosmarium rectimarginatumScott & Grönblad image
Cosmarium rectinatumSkvortzov & Noda image
Cosmarium rectosporumW.B. Turner image
Cosmarium redimitumBorge image
Cosmarium redimitum var. acroscrobiculatumG.J.P. Ramos, I.B. Oliveira & C.W.N. Moura Phytotaxa 514: 79, figs. 1, 2 2021
Cosmarium refringens f. grandeC.E. Bicudo in Prescott et al. Syn. N. Amer. Desmids 2{3}: 272 1981
Cosmarium refringens f. majus_('major')Irénée-Marie Nat. Canad. 82: 140, pl. [II]: fig. 11 1955
Cosmarium refringens f. majus_('major')Irenee-Marie image
Cosmarium refringensTaylor image
Cosmarium refringens var. majus_('major')Irenee-Marie image
Cosmarium refringens var. minus_('minor')Irenee-Marie image
Cosmarium refringens var. subcoliferum(Grönblad) Krieger & Gerloff image
Cosmarium regelianum(Naegeli) Brebisson image
Cosmarium regnellii f. angustumBongale image
Cosmarium regnellii f. basigranulatumMagnotta image
Cosmarium regnellii f. catenatum_('catenata')Krieger image
Cosmarium regnellii f. minimum_('minima')Viret image
Cosmarium regnellii f. minusGrönblad image
Cosmarium regnellii f. minus_('minor')Boldt image
Cosmarium regnellii var. altumHinode image
Cosmarium regnellii var. basigranulatum(Magnotta) Krieger & Gerloff image
Cosmarium regnellii var. catenatum(Krieger) Krieger & Gerloff image
Cosmarium regnellii var. chondrophorumSkuja image
Cosmarium regnellii var. dilatatum(Messikommer) Krieger & Gerloff image
Cosmarium regnellii var. kerguelenseKrieger & Gerloff image
Cosmarium regnellii var. madagascarienseWest & West image
Cosmarium regnellii var. majus_('major')W.B. Turner image
Cosmarium regnellii var. minimumEichler & Gutwinski image
Cosmarium regnellii var. minus_('minor')W.B. Turner image
Cosmarium regnellii var. muzzanenseHuber-Pestalozzi image
Cosmarium regnellii var. pseudoregnellii(Messikommer) Krieger image
Cosmarium regnellii var. rectangulareDucellier image
Cosmarium regnelliiWille image
Cosmarium regnesiReinsch Algenfl. Franken: 6: 116, pl. XXII: A: III 1866
Cosmarium regnesi var. minimumBernard image
Cosmarium regnesi var. montanumSchmidle image
Cosmarium regnesi var. ornatumMaskell image
Cosmarium regnesi var. polonicum(Eichler & Gutwinski) Compère image
Cosmarium regnesi var. productumWest & West image
Cosmarium regnesi var. pseudoregnesii(West & West) Borge image
Cosmarium regnesi var. sibiricum(Boldt) Schmidle image
Cosmarium regnesi var. subornatumVoronikhin image
Cosmarium regnesi var. tritumW. West image
Cosmarium regnesiformeVan Westen & Coesel Phytotaxa 522: 246, figs. 8, 21, 22, 23, 36, 37 2021
Cosmarium regulare f. minus_('minor')W. West & G.S. West image
Cosmarium regulareSchmidle image
Cosmarium regulare var. strabo(Brühl & Biswas) Krieger & Gerloff image
Cosmarium rehmanii(Gutwinski) Krieger & Gerloff image
Cosmarium reinschianumDe Toni image
Cosmarium reinschiiArcher image
Cosmarium reinschiiSchaarschmidt image
Cosmarium reinschii var. eboracenseWest & G.S. West image
Cosmarium reinschii var. hansgirgianum(Schmidle) Krieger & Gerloff image
Cosmarium reniforme(Ralfs) Archer J. Bot. 12: 92 1874
Cosmarium reniforme f. apertissimumBeck-Mannagetta Ve\*vstn. Král. C\*veské Společn. Nauk, Tr\*v. Mat.-Pr\*vír. [Mém. Soc. Roy. Sci. Bohe\*^me, Cl. Sci.] 1926{10}: 10, fig. 20 1927
Cosmarium reniforme f. groenlandicum_('groenlandica')E. Larsen Meddel. Gronl. 33: 337, pl. VII: fig. 16 1907
Cosmarium reniforme f. majus_('major')Irenee-Marie image
Cosmarium reniforme f. minus_('minor')P. Schulz image
Cosmarium reniforme f. parvumPeterfi image
Cosmarium reniforme var. alaskanumCroasdale image
Cosmarium reniforme var. apertumWest & West image
Cosmarium reniforme var. compressumNordstedt image
Cosmarium reniforme var. compressumNordstedt image
Cosmarium reniforme var. elevatumW. West & G.S. West image
Cosmarium reniforme var. laeveIrenee-Marie image
Cosmarium reniforme var. luetkemuelleriSkuja image
Cosmarium reniforme var. minus_('minor')Irenee-Marie image
Cosmarium reniforme var. minus_('minor')Irenee-Marie image
Cosmarium reniforme var. retusumSchmidle image
Cosmarium reniforme var. schneideri(Gutwiński) O.A. Petlovany in P.M. Tsarenko et al. (eds.) Algae of Ukraine 4: 246 2015
Cosmarium reniforme var. seminudumTaft image
Cosmarium repandum f. minus_('minor')W. West & G.S. West image
Cosmarium repandum f. sexangulareC.E. Bicudo in Prescott et al. Syn. N. Amer. Desmids 2{3}: 278, pl. CCIX: fig. 15 1981
Cosmarium repandumNordstedt image
Cosmarium repandumNordstedt image
Cosmarium repandum var. acuminatumJao image
Cosmarium repandum var. africanumKrieger & Gerloff image
Cosmarium repandum var. dorsipunctatumW.R. Taylor Amer. J. Botany 22: 776, pl. 2: fig. 3 1935
Cosmarium repandum var. minus(West & West) Krieger & Gerloff image
Cosmarium repandum var. papillatumD.B. Williamson Arch. Hydrobiol. Suppl. 118 (Algol. Stud. 84): 67, pl. 5: 1 1997
Cosmarium repandum var. pygmaeum(Gutwinski) Krieger & Gerloff image
Cosmarium repandum var. retusumPrintz image
Cosmarium retusiforme(Wille) Gutwinski image
Cosmarium retusiforme f. majusGutwinski image
Cosmarium retusiforme f. majus_('major')Gutwinski image
Cosmarium retusiforme f. minusGaidukov image
Cosmarium retusiforme f. ornatum_('ornata')Eichler Pamietnik Fizyjograficzny 14{Dzial 3}: 128, fig. 29 1896
Cosmarium retusiforme f. retusumKanetsuna Phycol. Res. 50: 107 2002
Cosmarium retusiforme f. scrobiculatum_('scrobiculata')Schmidle image
Cosmarium retusiforme var. abscissum(Schmidle) Krieger image
Cosmarium retusiforme var. acutum(Turner) Krieger & Gerloff image
Cosmarium retusiforme var. africanum(Fritsch) Compère image
Cosmarium retusiforme var. alpinumSchmidle image
Cosmarium retusiforme var. crassumFörster & Eckert image
Cosmarium retusiforme var. elevatumInsam & Krieger image