Harvard University Herbaria & Libraries

Index of Botanical Specimens

Name	Cosmarium
Authorship
Rank	Genus
NomenclaturalStatus	Unknown
Placed in	Desmidiaceae Ralfs
Contains	Cosmarium abbreviatum Raciborski Cosmarium abruptum P. Lundell Cosmarium abscissum Lütekemüller Cosmarium achondroides G. S. West Cosmarium actinophorum Brühl & Biswas Cosmarium aculeatum Wolle Cosmarium acutangulum Insam & Krieger Cosmarium acutigonum D. B. Williamson Cosmarium adelochondrum \N Cosmarium adoxum West & G.S.West Cosmarium adpressum Noda & Skvortzov Cosmarium advolatum Noda & Skvortzov Cosmarium aequale W. B. Turner Cosmarium aequatum West & G.S.West Cosmarium aequinoctiale West & G.S.West Cosmarium aethiopicum West & G.S.West Cosmarium affine Raciborski Cosmarium africanum West & G.S.West Cosmarium aitchisonii Schaarschmidt Cosmarium alaskanum Croasdale Cosmarium alatum Corda Cosmarium allorgei Bourrelly Cosmarium allum Noda & Skvortzov Cosmarium alpestre J.Roy & Bisset Cosmarium alpicola Schmidle Cosmarium alpigenum Messikommer Cosmarium alpinum Raciborski Cosmarium ambadiense R.L.Grönblad & A.M.Scott Cosmarium americanum Lagerheim Cosmarium amesii Cushman Cosmarium amoenum Brébisson ex Ralfs Cosmarium amoeviforme Hirano Cosmarium amphichondrum Skuja Cosmarium amplum Nordstedt Cosmarium amurense Skvortzov Cosmarium ananense Hinode Cosmarium anax W. West & G.S West Cosmarium anceps P. Lundell Cosmarium andinum A.Couté & A.Iltis Cosmarium angolense W. West & G.S West Cosmarium angulare L. N. Johnson Cosmarium angulatum (Perty) Rabenhorst Cosmarium angulosum Brébisson Cosmarium angustatum (Wittrock) Nordstedt Cosmarium anisochondrum Nordstedt Cosmarium annulatum (Nägeli) de Bary Cosmarium anomalum Delponte Cosmarium ansatum (Ehrenberg) Corda Cosmarium antarcticum Gain Cosmarium anthophorum Couté & Rousselin Cosmarium antilopaeum Brébisson Cosmarium antioquiense G. S. West Cosmarium antiquorum Noda & Skvortzov Cosmarium apertiuscula Skuja Cosmarium apertiusculum Skuja Cosmarium apertum W. B. Turner Cosmarium aphanichondrum Nordstedt Cosmarium apiatum Scott & Prescott Cosmarium arcanum Hinode Cosmarium arctoum Nordstedt Cosmarium arcuatum Krieger & Gerloff Cosmarium areguense Borge Cosmarium ariston Skuja Cosmarium armatum Brebisson Cosmarium armillatum W. B. Turner Cosmarium arnellii Boldt Cosmarium arrense Kouwets Cosmarium arrosum Nordstedt Cosmarium arthrodesmiforme Borge Cosmarium askenasyi Schmidle Cosmarium asperum M. Dingley Cosmarium asphaerosporum Wittrock Cosmarium asterophorum Skuja Cosmarium asterosporum Coesel Cosmarium asymmetricum Richard Cosmarium atlanthoideum Delponte Cosmarium attenuatum Brébisson ex Ralfs Cosmarium auriculatum Reinsch Cosmarium australe \N Cosmarium avalonense Woodhead & Tweed Cosmarium aversiforme Krieger & Gerloff Cosmarium aversum W. West & G.S West Cosmarium baccatum Scott & Gronblad Cosmarium bacciferum W. B. Turner Cosmarium bacillare Lütkemuller Cosmarium baileyi Wolle Cosmarium baillyanum Brébisson ex Meneghini Cosmarium balteum W. West & G.S West Cosmarium bantamianum Bernard Cosmarium barbaricum Claassen Cosmarium baronii W. West & G.S West Cosmarium barrackporeanum W. B. Turner Cosmarium basilicum G. S. West Cosmarium basiornatum (Grönblad) Coesel Cosmarium basituberculatum Borge Cosmarium basituberculoides P. Bourrelly & A. Coute Cosmarium beatum W. West & G.S West Cosmarium beckii Gutwinski Cosmarium bellum W. West & G.S West Cosmarium benedictum Ducellier Cosmarium bengalense W. B. Turner Cosmarium berryense Kouwets Cosmarium bewsii Fritsch & Rich Cosmarium biauritum Nordstedt Cosmarium bicardia Reinsch Cosmarium biclavatum Borge Cosmarium bicorne \N Cosmarium bicrenatum W. B. Turner Cosmarium bicuneatum (F. Gay) Nordstedt Cosmarium bicuspidatum Corda Cosmarium bidentatum W. B. Turner Cosmarium bifarium Joshua Cosmarium bifurcatum Schmidle Cosmarium bigemma Raciborski Cosmarium bigibbum Schmidle Cosmarium bigorrense F. Gay Cosmarium bigranulatum O. Andersson Cosmarium bilunatum W. West & G.S West Cosmarium bimamillatum Krieger Cosmarium bimarginatum Borge Cosmarium binerve P. Lundell Cosmarium binodulum Reinsch Cosmarium binum Nordstedt Cosmarium biobconicum Brühl & Biswas Cosmarium bioculatum Brébisson ex Ralfs Cosmarium bipapillatum (West) West & G.S.West Cosmarium bipaxillum W. West & G.S West Cosmarium bipes Corda Cosmarium bipunctatum Borgesen Cosmarium bireme Nordstedt Cosmarium biretiforme G. S. West Cosmarium biretum Brébisson ex Ralfs Cosmarium biscarrossense Capdevielle Cosmarium biscrobiculatum W. West & G.S West Cosmarium biseriatum Krieger Cosmarium bisphaericum Printz Cosmarium bissetii W. B. Turner Cosmarium bitrapezoideum Brühl & Biswas Cosmarium bitriangulum Grönblad Cosmarium bituberculatum Fritsch & Rich Cosmarium bivertex Raciborski Cosmarium blanjinense Pevalek Cosmarium blonskii Raciborski Cosmarium blytii \N Cosmarium blyttii Wille Cosmarium boeckii Wille Cosmarium boergesenii Grönblad Cosmarium bohemicum Roubal Cosmarium bohlini Schmidle Cosmarium boitierense Kouwets Cosmarium boldtianum Gutwinski Cosmarium boldtii W. B. Turner Cosmarium bonum Noda & Skvortzov Cosmarium boomei Thwaites Cosmarium boreale Borgesen Cosmarium botesii Claassen Cosmarium botrytis Meneghini ex Ralfs Cosmarium brancoi Bicudo Cosmarium brasiliense \N Cosmarium braunii Reinsch Cosmarium brebissonii Meneghini ex Ralfs Cosmarium broomei Thwaites ex Ralfs Cosmarium buchansianum Woodhead & Tweed Cosmarium bulgaricum Roubal Cosmarium bulliferum Ruzicka Cosmarium burkillii West & G.S.West Cosmarium caelatum Ralfs Cosmarium caffrorum Claassen Cosmarium calamistratum Grönblad Cosmarium calcareum Wittrock Cosmarium calculus Coesel Cosmarium callistum W. & G.S. West Cosmarium callosissimum A.M.Scott & Grönblad Cosmarium calodermum (Gay) De Toni Cosmarium calvatum Noda & Skvortzov Cosmarium cambodiense Hirano Cosmarium cambricum Cooke & Wills Cosmarium canadense Irenee-Marie Cosmarium canaliculatum West & G.S.West Cosmarium candianum Delponte Cosmarium capax Joshua Cosmarium capense \N Cosmarium capitulum J.Roy & Bissett Cosmarium carinatum Noda & Skvortzov Cosmarium carinthiacum Lütkemuller Cosmarium carnubiense West & West Cosmarium casaresii V.Allorge & P.Allorge Cosmarium cataractarum (Raciborski) Eichler Cosmarium cedercreutzii Grönblad Cosmarium celatum (F. Gay) De Toni Cosmarium centrosphinctum W. B. Turner Cosmarium centrotaphridium W. & G.S. West Cosmarium ceratophoroides Bourrelly Cosmarium ceratophorum Lütkemüller Cosmarium certum Noda & Skvortzov Cosmarium ceylanicum West & G.S.West Cosmarium chondriophorum Brühl & Biswas Cosmarium cinctutum Nordstedt Cosmarium circulare Reinsch Cosmarium ciskeium D. B. Williamson Cosmarium claviferum J.A. Cushman Cosmarium clepshydra Spencer Cosmarium clepsydra Nordstedt Cosmarium clevei (P. Lundell) Lütkemüller Cosmarium clippertonensis W. R. Taylor Cosmarium coarctatum West Cosmarium coliferum Lagerheim Cosmarium collectorense Playfair Cosmarium coloratum W. B. Turner Cosmarium colpopelta Brébisson ex W.Archer Cosmarium columbianum G. S. West Cosmarium commissurale Brébisson ex Ralfs Cosmarium compactum Noda & Skvortzov Cosmarium complanatum Skvortzov & Noda Cosmarium concentricum W. B. Turner Cosmarium concinnum (Rabenhorst) Reinsch Cosmarium confusum Cooke Cosmarium conglobatum Skvortzov & Noda Cosmarium conicoides Krieger & Gerloff Cosmarium conicum West & G.S.West Cosmarium connatum Brébisson ex Ralfs Cosmarium connectum Reinsch Cosmarium cononophorum W. & G.S. West Cosmarium conspersum Ralfs Cosmarium constrictum Delponte Cosmarium contractiforme R.L.Grönblad & A.M.Scott Cosmarium contractum O.Kirchner Cosmarium controversum West Cosmarium conwentzii Steinecke Cosmarium copersum Ralfs Cosmarium corbula (Brébisson) Brébisson Cosmarium cordanum Brébisson ex Rabenhorst Cosmarium cornutum Corda Cosmarium corona Gaidukov Cosmarium coronatum Wills Cosmarium corribense West & G.S.West Cosmarium corriense Bisset Cosmarium corrugatum Scott & Grönblad Cosmarium corruptum W. B. Turner Cosmarium corsavaggense Skuja Cosmarium corumbense Borge Cosmarium cosmarioides (De Bary) J.Rzicka Cosmarium cosmetiforme Jao Cosmarium cosmetum West & West Cosmarium costatum Nordstedt Cosmarium craspedopleurum W. B. Turner Cosmarium crassangulatum Borge Cosmarium crassidentatum Bernard Cosmarium crassipelle \N Cosmarium crassiusculum (De Bary) Insam & Krieger Cosmarium crassum Brebisson Cosmarium crenatiforme Grönblad Cosmarium crenatum Ralfs ex Ralfs Cosmarium creniferum W. B. Turner Cosmarium crenulatum Nägeli Cosmarium creperum West & G.S.West Cosmarium crispatum Hirano Cosmarium cristatum Ralfs Cosmarium croasdaleae Grönblad Cosmarium cruciatum Brébisson Cosmarium cruciferum de Bary Cosmarium ctenoideum W. B. Turner Cosmarium cucumis Corda ex Ralfs Cosmarium cucurbita Brébisson ex Ralfs Cosmarium cucurbitaeforme Rabanus Cosmarium cucurbitinum (Bisset) Lütkemüller Cosmarium cuneatum Joshua Cosmarium cunningtonii G. S. West Cosmarium cupiforme D. B. Williamson Cosmarium curcurbita \N Cosmarium curtum Brébisson ex Ralfs Cosmarium cuspidatum Krieger & Gerloff Cosmarium cyathiforme West & West Cosmarium cycladatum W. B. Turner Cosmarium cyclicum P. Lundell Cosmarium cyclindricum Ralfs ex Ralfs Cosmarium cyclopeum Playfair Cosmarium cyclops F.A.C.Kouwets Cosmarium cylindricoideum A.M.Scott & Prescott Cosmarium cylindricum Ralfs Cosmarium cylindrocystiforme G. S. West Cosmarium cymatium (West & G.S.West) Willi Krieger & Gerloff Cosmarium cymatonotophorum West Cosmarium cymatopleurum Nordstedt Cosmarium danicum Borgesen Cosmarium dartmouthii Suxena & Venkateswarlu Cosmarium davidsonii J.Roy & Bissett Cosmarium debaryi W. Archer Cosmarium decachondrum J.Roy & Bisset Cosmarium decedens (Reinsch) Raciborski Cosmarium decoratum West & G.S.West Cosmarium decorum (F. Gay) De Toni Cosmarium decussare A.J.Brook & D.B.Williamson Cosmarium decussiferum \N Cosmarium dedolatum Noda & Skvortzov Cosmarium deflandreanum Laporte Cosmarium delicatissimum Lemmermann Cosmarium deltoides Corda Cosmarium demangeonii Mougeot Cosmarium demersum Noda & Skvortzov Cosmarium denboeri Meesters & Coesel Cosmarium denotarisii (Wittrock) Nordstedt Cosmarium densegranulatum Skuja Cosmarium dentatum Wolle Cosmarium denticulatum Borge Cosmarium dentiferum Corda Cosmarium depauperatum Nordstedt Cosmarium depressum (Nägeli) P. Lundell Cosmarium diadema \N Cosmarium diadematum Schaarschmidt Cosmarium dichondroides Grönblad Cosmarium dichondrum West & G.S.West Cosmarium dickii Coesel Cosmarium didymochondrum Nordstedt Cosmarium didymoprotupsum West & G.S.West Cosmarium difficile Lütkemüller Cosmarium difficillimum Playfair Cosmarium difficiloides Kouwets Cosmarium dilatatum Lütkemüller Cosmarium dimaziforme \N Cosmarium diplodesmium Skuja Cosmarium diplosporum (P. Lundell) Lütkemüller Cosmarium discrepans Stastny & Kouwets Cosmarium discretum Bennett Cosmarium dispersum L. N. Johnson Cosmarium distichum Nordstedt Cosmarium divergens Krieger Cosmarium divergentiforme Hirano Cosmarium docidioides Lütkemüller Cosmarium doidgei Fritsch & Rich Cosmarium dolabriforme Brandham Cosmarium doliforme West & West Cosmarium donnellii Wolle Cosmarium dorsitruncatum (Nordstedt) G. S. West Cosmarium dovrense Nordstedt Cosmarium dubium Borge Cosmarium dubovianum Lütkemüller Cosmarium dulciferum W. B. Turner Cosmarium dusenii Borge Cosmarium dybowskii Gutwinski Cosmarium eboracense West Cosmarium echinodermum Hinode Cosmarium eductum J.Roy & Bisset Cosmarium eichlerianum (Grönblad) Messikommer Cosmarium einarteilingii Willi Krieger ex Gerloff Cosmarium elaboratum West & West Cosmarium elegans J.Roy & Bisset Cosmarium elegantissimum P. Lundell Cosmarium elfingii Raciborski Cosmarium elfvingii Raciborski Cosmarium ellipsoideum Elfving Cosmarium eloiseanum Wolle Cosmarium elongatum Raciborski Cosmarium emarginatum Bharati & Hegde Cosmarium engleri Schmidle Cosmarium enontekiense Grönblad Cosmarium entochondrum West & G.S.West Cosmarium eriense Taft Cosmarium erosum Delponte Cosmarium etchachanense J.Roy & Bisset Cosmarium euastroides Delponte Cosmarium euroum Skuja Cosmarium euryophrys Skuja Cosmarium eutelium Skuja Cosmarium everettense Wolle Cosmarium exactum Krieger & Bourrelly Cosmarium exasperatum Joshua Cosmarium excavatum Nordstedt Cosmarium excentricum Borge Cosmarium excrescens Scott & Grönblad Cosmarium exiguum W. Archer Cosmarium eximium West & West Cosmarium exornatum Printz Cosmarium faakense Beck-Mannagetta Cosmarium faberi Lütkemüller Cosmarium fastidiosum West & G.S.West Cosmarium favum West & G.S.West Cosmarium feldmannii \N Cosmarium fenestratum Corda Cosmarium fictopraemorsum Kurt Förster Cosmarium finlandicum \N Cosmarium finmarkiae Borge Cosmarium flavum Roy & Bisset Cosmarium floridanum \N Cosmarium floridarum (West & G.S.West) Lütkemüller Cosmarium fluviatile Playfair Cosmarium foersteri Messikommer Cosmarium fontigenum Nordstedt Cosmarium forceps Brühl & Biswas Cosmarium formosulum Hoff Cosmarium forte W. B. Turner Cosmarium foveatum Schmidle Cosmarium franzstonii Taft Cosmarium freemanii West & West Cosmarium freystadtiense Grönblad Cosmarium friedae Schmidle Cosmarium fritschii Hodgetts Cosmarium fuellebornii Schmidle Cosmarium furcatospermum West & G.S.West Cosmarium furcatum K.Förster & Eckert Cosmarium fuseense Hirano Cosmarium fusum Roy & Bisset Cosmarium galeritum Nordstedt Cosmarium galpinii Claassen Cosmarium gangense W. B. Turner Cosmarium garrolense J.Roy & Bisset Cosmarium gauthierae St'asny & Neustupa Cosmarium gayanum De Toni Cosmarium gayii Gutwinski Cosmarium gbuliense Woodhead & Tweed Cosmarium geminatum P. Lundell Cosmarium gemma R.L.Grönblad & A.M.Scott Cosmarium gemmatum Brébisson Cosmarium gemmiferum Brebisson Cosmarium genuosum Nordstedt Cosmarium geometricum West & G.S.West Cosmarium georgicum Reinsch Cosmarium gerdae Compère Cosmarium gerstenbergeri P.Richter Cosmarium gessneri Krieger & Bourrelly Cosmarium gibberulum Lütekemüller Cosmarium giganteum (Y.Thérézien) Coesel Cosmarium ginzbergii Grönblad Cosmarium glaphyronotum West & G.S.West Cosmarium glaziovii Wille Cosmarium globosum Bulnheim Cosmarium glyptodermum West & G.S.West Cosmarium goltlandicum \N Cosmarium goniodes West & G.S.West Cosmarium gorskii Woloszynska Cosmarium gostyniense (Raciborski) Grönblad Cosmarium gotlandicum \N Cosmarium goyazense Förster & Eckert Cosmarium granatoides (Schmidle) Schmidle Cosmarium granatum Brébisson ex Ralfs Cosmarium grantii Roy & Bisset Cosmarium granulatum West Cosmarium granulusculum Roy & Bissett Cosmarium granuluscum J.Roy & Bisset Cosmarium gravatum W. Archer Cosmarium gregorii Roy & Bisset Cosmarium guatemalense W. R. Taylor Cosmarium guianense Raciborski Cosmarium gutwinskii Printz Cosmarium haaboeliense Wille Cosmarium hammeri Reinsch Cosmarium hardyi G. S. West Cosmarium haxapapillatum \N Cosmarium haydrichianum Schmidle Cosmarium haynaldii Schaarschmidt Cosmarium heimerlii West Cosmarium helcangulare Nordstedt Cosmarium helccangulare \N Cosmarium heliosporum Maskell Cosmarium hellbergii Grönblad & Croasdale Cosmarium heptangulare Lacoste de Díaz Cosmarium herzogii Lemmermann Cosmarium heterochondrum Nordstedt Cosmarium heterodentatum Hinode Cosmarium heterodoxum \N Cosmarium heuflerianum Grunow ex Rabenhorst Cosmarium hexagonum Elfving Cosmarium hexalobum Nordstedt Cosmarium hexastichum P. Lundell Cosmarium hians Borge Cosmarium hibernicum West Cosmarium hieronymusii Schmidle Cosmarium holmiense P. Lundell Cosmarium holmii Wille Cosmarium homalodermum Nordstedt Cosmarium hookeri Schaarschmidt Cosmarium horizontale (Schmidle) Kouwets Cosmarium hornavanense Gutwinski Cosmarium horridum Borge Cosmarium hostensiense Stastny & Kouwets Cosmarium huillense W.& G.S.West Cosmarium humile Nordstedt ex De Toni Cosmarium hunanicum Jao Cosmarium hunyadyanum Schaarschmidt Cosmarium hyacinthii Gutwinski Cosmarium hypochondrum Scott & Grönblad Cosmarium iltisii Therezien Cosmarium impressulum Elfving Cosmarium inacrassatoplicatum Hinode Cosmarium inaequalipellicum West & G.S.West Cosmarium inane W. B. Turner Cosmarium incavatum W. B. Turner Cosmarium incertum Schmidle Cosmarium incisum Raciborski Cosmarium inclusum Borge Cosmarium incognitum Playfair Cosmarium inconspicuum West & G.S.West Cosmarium incrassatum Playfair Cosmarium incurvum Lütkemüller ex Grönblad Cosmarium indentatum Grönblad Cosmarium induratum Gutwinski Cosmarium infirmum Grönblad Cosmarium inflatum Wolle Cosmarium innotum W. B. Turner Cosmarium inornatum Joshua Cosmarium insamii Insam & Krieger Cosmarium insigne Schmidle Cosmarium intermedium Delponte Cosmarium inusitatum K.Förster & Eckert Cosmarium iracouboense Therezien Cosmarium irregulare Wolle Cosmarium ishimadae Skvortzov & Noda Cosmarium isthmium West Cosmarium isthmochondrum Nordstedt Cosmarium istvanffii Gutwinski Cosmarium itatiayae Willi Krieger Cosmarium jaoi Kouwets Cosmarium javanicum Nordstedt Cosmarium javense Bernard Cosmarium jelskii Woloszynska Cosmarium jemtlandicum Grönblad Cosmarium jenisejense Boldt Cosmarium joadjense M. Dingley Cosmarium johorense Bernard Cosmarium joshuae W. B. Turner Cosmarium jugatum Coesel Cosmarium jundzillii Raciborski Cosmarium kaiseri Messikommer Cosmarium kamiyamense Hinode Cosmarium kangofurinense Woodhead & Tweed Cosmarium kanitzii Schaarschmidt Cosmarium karlinskii Gutwinski Cosmarium kazanowskii Woloszynska Cosmarium kilimanense Schmidle Cosmarium kirchneri Borgesen Cosmarium kitamuranum Hirano Cosmarium kitchelii Wolle Cosmarium kivuense Conrad Cosmarium kjellmanii Wille Cosmarium klebsii Gutwinski Cosmarium kolkwitzii Willi Krieger Cosmarium kostei Thomasson Cosmarium kotilainense Grönblad Cosmarium krkense Pevalek Cosmarium ktanophorum Skuja Cosmarium kuffarathii Van Oye Cosmarium kwangsiense C.C.Jao Cosmarium labiatum Borge Cosmarium laciniatum W. B. Turner Cosmarium lacunatum G. S. West Cosmarium lacustre Brühl & Biswas Cosmarium laeve Rabenhorst Cosmarium lagenarioides (Roy) Lütkemüller Cosmarium lagenarium Corda Cosmarium lagerheimii Gutwinski Cosmarium lagoense (Nordstedt) Nordstedt Cosmarium lamyfortanum Compère Cosmarium lanceolatum f.turgidum Grönblad Cosmarium lapeanum C.Bicudo & Ventrice Cosmarium lapponicum Borge Cosmarium lasiosparum Archer Cosmarium latereprotractum Playfair Cosmarium laticeps Grunow ex Rabenhorst Cosmarium laticollum Delponte Cosmarium latifrons P. Lundell Cosmarium latipyramidatum Scott & Grönblad Cosmarium latum Brébisson Cosmarium lauterbachii Schmidle Cosmarium laxum Hinode Cosmarium leiodermum F. Gay Cosmarium lenzenwegeri Stastny & Kouwets Cosmarium lepidum West Cosmarium levinotabile Croasdale Cosmarium libongense W.& G.S.West Cosmarium lidanum Raciborski Cosmarium ligoniforme W.West & G.S.West Cosmarium limai J. Sampaio Cosmarium limnophilum Schmidle Cosmarium lindaui Schmidle Cosmarium lingulatum Noda & Skvortzov Cosmarium lobatosporum W. Archer Cosmarium lobulatum Schmidle Cosmarium loefgrenii Borge Cosmarium logiense Bissett Cosmarium loktakense Brühl & Biswas Cosmarium lomnicense \N Cosmarium longicollum Brühl & Biswas Cosmarium longicylindricum Scott & Grönblad Cosmarium longii W. R. Taylor Cosmarium lonmicense Lütkemüller Cosmarium lortetianum Rabenhorst Cosmarium loukaskinii Skvortzov & Noda Cosmarium luembaerense Schmidle Cosmarium luetkemuelleri Grönblad Cosmarium lunatum Wolle Cosmarium lundellii Delponte Cosmarium luscum Borge Cosmarium lutetianum Kouwets Cosmarium luxuriosum (Kouwets) Coesel Cosmarium maamense D.B.Williamson & D.M.John Cosmarium macrochondrum Grönblad & Scott Cosmarium macrosporum W. B. Turner Cosmarium maculatum Turner Cosmarium magdalenense W. R. Taylor Cosmarium magnificum Nordstedt Cosmarium maharastrense Kamat Cosmarium majae Strøm Cosmarium malinvernianum (Raciborski) Schmidle Cosmarium malleum Krieger Cosmarium malmei Borge Cosmarium mamilliferum \N Cosmarium mamillomarginatum Grönblad Cosmarium mammillatum Borge Cosmarium mangenotii Bourrelly Cosmarium manguinii Bourrelly Cosmarium manipurense Brühl & Biswas Cosmarium mansangense West & G.S.West Cosmarium margaritatum (P.Lundell) J.Roy & Bisset Cosmarium margaritiferum Meneghini ex Ralfs Cosmarium maskellii H.Croasdale Cosmarium mateyucense P.F.M.Coesel Cosmarium maximum (Børgesen) West & G.S.West Cosmarium mayori G. S. West Cosmarium mbabanicum D. B. Williamson Cosmarium medioretrusum Coesel Cosmarium medioscrobiculatum West & G.S.West Cosmarium melanosporum W.Archer & J.Roy Cosmarium meneghini \N Cosmarium meneghinii Brébisson ex Ralfs Cosmarium mentiens Schaarschmidt Cosmarium mesoleium (Raciborski) Playfair Cosmarium messikommeri Coesel Cosmarium meteoronotum W.& G.S.West Cosmarium microsphinctum Nordstedt Cosmarium miedzyrzecense Eichler & Gutwinski Cosmarium mikron Skuja Cosmarium mikutowiczii Skuja Cosmarium milleri Schmidle Cosmarium minimum West & G.S.West Cosmarium minor \N Cosmarium minutissimum W. Archer Cosmarium minutum Delponte Cosmarium mirabile Noda & Skvortzov Cosmarium miraculum Grönblad Cosmarium mirificum Schmidle Cosmarium miscellum Skuja & Messikommer Cosmarium miyajimense Hinode Cosmarium modestum West & G.S.West Cosmarium moerlianum Lütkemüller Cosmarium moniliferum Reinsch Cosmarium moniliforme Ralfs Cosmarium monochondrum Nordstedt Cosmarium monomazum P. Lundell Cosmarium montrealense Croasdale Cosmarium mooreanum (Archer) Lütekmuller Cosmarium mordax W. B. Turner Cosmarium morsum West Cosmarium mougense Lind Cosmarium mucronatum W.& G.S.West Cosmarium muenster stroemii Pevalek Cosmarium multigranulatum Prescott & A.M.Scott Cosmarium multiordinatum West & G.S.West Cosmarium multituberculatum F.E.Fritsch & M.F.Rich Cosmarium munitum W. B. Turner Cosmarium murieliae Compère Cosmarium murrayi Playfair Cosmarium mutatum Grönblad Cosmarium mwangadanense W.& G.S.West Cosmarium nabugabonum P.Coesel & A.van Geest Cosmarium naegelianum Brébisson Cosmarium naeglianum \N Cosmarium nagelianum Brébisson Cosmarium nakaoanum Hirano Cosmarium nannos Skuja Cosmarium nanum Brühl & Biswas Cosmarium naplesiense Scott & Grönblad Cosmarium nasutum Nordstedt Cosmarium nathorstii Boldt Cosmarium naui Kiselev Cosmarium naviculare Borge Cosmarium neapolitanum Balsamo Cosmarium neglectum Krieger Cosmarium neouviellense Kouwets Cosmarium netzerianum Schmidle Cosmarium nigrocirratum W. B. Turner Cosmarium nipponicum Hirano Cosmarium nitidulum De Notaris Cosmarium nivram M. Dingley Cosmarium nodosum O. Andersson Cosmarium noduliferum W. B. Turner Cosmarium nordstedtianum Reinsch Cosmarium nordstedtii Delponte Cosmarium norimbergense Reinsch Cosmarium norvegicum Strøm Cosmarium norwegicum Strøm Cosmarium noshaquense Hirano Cosmarium notabile Brébisson Cosmarium notatum (Grönblad) Coesel Cosmarium notochondrum West & West Cosmarium novae-semliae Wille Cosmarium novae-somliae \N Cosmarium nudiceps Johnson Cosmarium nudum (W. B. Turner) Gutwinski Cosmarium nuristanicum Hirano Cosmarium nuttallii West Cosmarium nygaardii Bongale Cosmarium nylstromicum Claassen Cosmarium nymannianum Grunow Cosmarium obcuneatum West Cosmarium obgoletum (Hantzsch) Reinsch Cosmarium obliquum Nordstedt Cosmarium oblongum Bennett Cosmarium obsoletum (Hantzsch) Reinsch Cosmarium obtusatum (Schmidle) Schmidle Cosmarium occidentale W. B. Turner Cosmarium occultum Schmidle Cosmarium ocellatum B.Eichler & Gutwinski Cosmarium ochthodes Nordstedt Cosmarium octagonum W. B. Turner Cosmarium oculiferum Lagerheim Cosmarium oculum Krieger & Gerloff Cosmarium odontopleurum Archer ex Roy & Bisset Cosmarium oenpelliense A.M.Scott & Prescott Cosmarium oligogongrus Reinsch Cosmarium oliveri Schaarschmidt Cosmarium oncosporum Nordstedt Cosmarium onychonema \N Cosmarium oocystidum W.West & G.S.West Cosmarium ophalii Prescott & Scott Cosmarium ophelii Prescott & A.M.Scott Cosmarium orbiculatum Ralfs ex Ralfs Cosmarium ordinatum (Børgesen) West & G.S.West Cosmarium orientale W. B. Turner Cosmarium ornatulum Coesel Cosmarium ornatum Ralfs ex Ralfs Cosmarium orochonicum Noda & Skvortzov Cosmarium orthogonum Delponte Cosmarium orthopunctulatum Schmidle Cosmarium orthostichum P. Lundell Cosmarium ortogonum Delponte Cosmarium osteri Schmidle Cosmarium otus Krieger Cosmarium ovale Ralfs ex Ralfs Cosmarium ozense Hirano Cosmarium pachydermum P. Lundell Cosmarium pacificum L. N. Johnson Cosmarium pakistanicum Islam Cosmarium palangula Brébisson ex Ralfs Cosmarium palatinum Dick Cosmarium paludicola E.A.Flint & D.B.Williamson Cosmarium palustre W. B. Turner Cosmarium panamense Prescott Cosmarium panduratum Delponte Cosmarium panduriforme W. B. Turner Cosmarium pankakoskii Grönblad Cosmarium papilliferum Schmidle Cosmarium papkuilense Fritsch & Rich Cosmarium pappekuilense G. S. West Cosmarium paragranatoides Skuja Cosmarium pardalis Cohn Cosmarium parvulum Brébisson Cosmarium patelliforme Borge Cosmarium paucigranulatum Borge Cosmarium paulense Borgesen Cosmarium pearsoni G. S. West Cosmarium pectinatum Brebisson Cosmarium pectinoides Wolle Cosmarium pedinochondrum Skuja Cosmarium pelta Corda Cosmarium peniomorphum Scott & Prescott Cosmarium penkakoskii Grönblad Cosmarium pentachondrum Borgesen Cosmarium peregrinum W. B. Turner Cosmarium perfissum G. S. West Cosmarium perforatum P. Lundell Cosmarium pericymatium Nordstedt Cosmarium perigranulatum A.M.Scott & Prescott Cosmarium permaculatum R.L.Grönblad & A.M.Scott Cosmarium perminutum G. S. West Cosmarium perpusillum West Cosmarium pertyanum Raciborski Cosmarium petsamoense Cedercreutz Cosmarium phaseolus Brébisson ex Ralfs Cosmarium philippinense Behre Cosmarium pileatum \N Cosmarium pileolatum Brébisson ex Comère Cosmarium pilgeri Schmidle Cosmarium piriforme Nordstedt Cosmarium pitense Schmidle Cosmarium planogranatum Croasdale Cosmarium planum West & G.S.West Cosmarium platyisthmum Archer Cosmarium playfairii Krieger & Gerloff Cosmarium pleurotaeniforme Förster & Eckert Cosmarium plicatum Reinsch Cosmarium pluritumidum Schmidle Cosmarium pluviale W. Archer Cosmarium podlachiae Eichler & Gutwinski Cosmarium pokornyanum (Grunow) West & G.S.West Cosmarium polonicum Raciborski Cosmarium poluninii Whelden Cosmarium polygonatum Halász Cosmarium polygonum (Nägeli) W. Archer Cosmarium polymazum Nordstedt Cosmarium polymorphum Nordstedt Cosmarium porrectum Nordstedt Cosmarium porteanum W. Archer Cosmarium portianum \N Cosmarium portuense J. Sampaio Cosmarium praecisum Borge Cosmarium praegrande P. Lundell Cosmarium praegrandiforme Schmidle Cosmarium praemorsum Brébisson Cosmarium prainii West & West Cosmarium prescottii Suxena & Venkateswarlu Cosmarium printzii Borge Cosmarium prometopidion Skuja Cosmarium prominulum Raciborski Cosmarium promontorium West & G.S.West Cosmarium propinquum G. S. West Cosmarium protomphalum Skuja Cosmarium protractum (Nägeli) de Bary Cosmarium protruberans P. Lundell Cosmarium protuberans P. Lundell Cosmarium prowsei Grönblad & Scott Cosmarium pseduocostatum Stastny & Kouwets Cosmarium pseudamoenum Wille Cosmarium pseudarctoides Strøm Cosmarium pseudarctoum Nordstedt Cosmarium pseudatlantoideum West Cosmarium pseudoamoenum Wille Cosmarium pseudoarmatum A.M.Scott & Prescott Cosmarium pseudobaronii N.Woodhead & R.D.Tweed Cosmarium pseudobiremum Boldt Cosmarium pseudobotrytis F. Gay Cosmarium pseudobroomei Wolle Cosmarium pseudocommissurale F.A.C.Kouwets Cosmarium pseudoconnatum Nordstedt Cosmarium pseudoexiguum Raciborski Cosmarium pseudogranatum Nordstedt Cosmarium pseudohibernicum Lutkemuller Cosmarium pseudoholmii Borge Cosmarium pseudoincrassatum P.Bourrelly & A.Couté Cosmarium pseudoinsigne Prescott Cosmarium pseudomargaritiferum Reinsch Cosmarium pseudonitidulum Nordstedt Cosmarium pseudooctangulare Gronblad Cosmarium pseudoornatum B.Eichler & Gutwinski Cosmarium pseudopachydermum Nordstedt Cosmarium pseudopericymatium Hinode Cosmarium pseudophaseolus Brühl & Biswas Cosmarium pseudoprotuberans O.Kirchner Cosmarium pseudopyramidatum P. Lundell Cosmarium pseudopyrimidatum \N Cosmarium pseudoquadratulum Prescott & A.M.Scott Cosmarium pseudorectangulare Messikommer Cosmarium pseudoregnesii West & G.S.West Cosmarium pseudoretusum F. Ducellier Cosmarium pseudoscenedesmus West & G.S.West Cosmarium pseudospeciosum Raciborski Cosmarium pseudosulcatum Richard Cosmarium pseudotaxichondrum Nordstedt Cosmarium pseudotinescense \N Cosmarium pseudovariolatum Grönblad Cosmarium pseudowembaerense Kouwets Cosmarium pssudopraemorsum Hodgetts Cosmarium psuedobaronii Woodhead & Tweed Cosmarium pterophorum West & West Cosmarium ptilotum W. B. Turner Cosmarium pulcherrimum Nordstedt Cosmarium pulvinatum West & West Cosmarium pumilio Seckt Cosmarium punctatum Nordstedt Cosmarium punctulatum Brébisson Cosmarium pusillum (Brébisson) W. Archer Cosmarium pustulatum Förster Cosmarium puteale W. B. Turner Cosmarium pycnochondrum Nordstedt Cosmarium pygmaeum W. Archer Cosmarium pyonochondrum Nordstedt Cosmarium pyramidatum Brébisson ex Ralfs Cosmarium pyriforme Nordstedt Cosmarium quadragies-cuspidatum Corda Cosmarium quadrangulare Corda Cosmarium quadrangulatum Hantzsch Cosmarium quadratulum (F. Gay) De Toni Cosmarium quadratum Ralfs ex Ralfs Cosmarium quadridentatum West & G.S.West Cosmarium quadrifarium P. Lundell Cosmarium quadrigemme Playfair Cosmarium quadrimamillatum West & G.S.West Cosmarium quadripapillatum Scott & Grönblad Cosmarium quadriverrucosum West & G.S.West Cosmarium quadrogranulatum West & G.S.West Cosmarium quadrulatum \N Cosmarium quadrum P. Lundell Cosmarium quasillus P. Lundell Cosmarium quaternarium Nordstedt Cosmarium quimbyii H. C. Wood Cosmarium quinarium P. Lundell Cosmarium raciborskianum De Toni Cosmarium raciborskii Lagerheim Cosmarium radiosum Wolle Cosmarium raeticum Messikommer Cosmarium ralfsii Brébisson ex Ralfs Cosmarium raneegungense W. B. Turner Cosmarium rarissimum D. B. Williamson Cosmarium rasae Ruzicka Cosmarium rectangulare Grunow Cosmarium rectangulum Reinsch Cosmarium redimitum Borge Cosmarium refringens \N Cosmarium regelianum (Nägeli) Brébisson Cosmarium regnellii Wille Cosmarium regnesii Reinsch Cosmarium regulare Schmidle Cosmarium reinschianum De Toni Cosmarium reinschii W. Archer Cosmarium reniforme (Ralfs) W. Archer Cosmarium repandum Nordstedt Cosmarium retusiforme (Wille) Gutwinski Cosmarium retusum (Perty) Rabenhorst Cosmarium rhombusoides Wolle Cosmarium richianum Compère Cosmarium rosaceum Viret Cosmarium rostafinskii Gutwinski Cosmarium rostellum West & G.S.West Cosmarium rota (Ehrenberg) Corda Cosmarium rotundatum (F. Gay) De Toni Cosmarium rotundum Prescott & A.M.Scott Cosmarium rufescens (Cleve) Lütkemüller Cosmarium rugosum W. B. Turner Cosmarium rugulosum Messikommer Cosmarium rupestre (Nägeli) W. Archer Cosmarium ruttneri Krieger Cosmarium ryukyuense Okada Cosmarium sacculiferum Hinode Cosmarium sakatoanum Hirano Cosmarium salinum Hansgirg Cosmarium salisburyi F.E.Fritsch & M.F.Rich Cosmarium sansibarense Hieronymus Cosmarium santamartense W. R. Taylor Cosmarium saxicola Kaiser Cosmarium scabralatum W. B. Turner Cosmarium scabratulum West & West Cosmarium scabrum W. B. Turner Cosmarium scalare W. B. Turner Cosmarium scenedesmus Delponte Cosmarium schirschowii Kosinskaya Cosmarium schliephackeanum Grunow Cosmarium schliephackianum Grunow Cosmarium schmidtii W.West & G.S.West Cosmarium schneideri Gutwinski Cosmarium schomburgkii Borge Cosmarium schroederi Grönblad Cosmarium schroeteri Huber-Pestalozzi Cosmarium schuebelerii Wille Cosmarium schweickerdtii Claassen Cosmarium scissum Brühl & Biswas Cosmarium scitum W.West & G.S.West Cosmarium scopulorum O.Borge Cosmarium scoticum West & G.S.West Cosmarium scottii \N Cosmarium scrobiculatum F.E.Fritsch & M.F.Rich Cosmarium scrobiculosum Borge Cosmarium sculptum Eichler & Gutwinski Cosmarium securiforme Borge Cosmarium seelyanum Wolle Cosmarium sejunctum Wolle Cosmarium sendtneri Reinsch Cosmarium septentrionale Croasdale Cosmarium serratum W. B. Turner Cosmarium sexangulare P. Lundell Cosmarium sexlaterum Brühl & Biswas Cosmarium sexnotatum Gutwinski Cosmarium sexpapillosum Thompson Cosmarium sexscrobiculatum Grönblad Cosmarium sierra-leonense N.Woodhead & R.D.Tweed Cosmarium sigillatum W. B. Turner Cosmarium sikhimense W. B. Turner Cosmarium silesiacum Gutwinski Cosmarium simii Roy & Bisset Cosmarium simplex (F. Gay) De Toni Cosmarium simplicius (West & G.S.West) Grönblad Cosmarium simulum Borge Cosmarium sincerum O.Borge Cosmarium singaporense Bernard Cosmarium sinostegos Schaarschmidt Cosmarium sinuosum P. Lundell Cosmarium skujae Willi Krieger & Gerloff Cosmarium slewdrumense J. Roy Cosmarium smithii Hughes Cosmarium smolandicum P. Lundell Cosmarium sniatyniense Gutwinski Cosmarium solidum Nordstedt Cosmarium sp. Cosmarium sparsepunctatum (Schmidle) West & G.S.West Cosmarium sparsum W. B. Turner Cosmarium spechtii A.M.Scott & Prescott Cosmarium speciosissimum Schmidle Cosmarium speciosum P. Lundell Cosmarium spectabile De Notaris Cosmarium spetsbergense Nordstedt Cosmarium sphaeroideum West Cosmarium sphagnicola West & G.S.West Cosmarium sphalerostichum Nordstedt Cosmarium sphericum Bennett Cosmarium sphyrelatum Coesel Cosmarium spiculatum Bernard Cosmarium spiculiferum W. B. Turner Cosmarium spinuliferum West & G.S.West Cosmarium spirale (Playfair) Willi Krieger & J.Gerloff Cosmarium splendidum Borge Cosmarium sportella Brébisson ex Kützing Cosmarium spyridion West & G.S.West Cosmarium stagnale J. Sampaio Cosmarium stansfieldii Woodhead & Tweed Cosmarium staurastroides Eichler & Gutwinski Cosmarium staurochondrum Lemaire Cosmarium stefanssonii Lowe Cosmarium stellinum Corda Cosmarium stenonotum \N Cosmarium stephensii Richard Cosmarium stichochondrum Lagerheim Cosmarium stigmosum (Nordstedt) Krieger Cosmarium strabo Brühl & Biswas Cosmarium streblon Scott & Grönblad Cosmarium striatum Boldt Cosmarium striolatum (Nägeli) W. Archer Cosmarium strongylon Scott & Prescott Cosmarium strugense Petkoff Cosmarium strzelecki Raciborski Cosmarium stuhlmannii Hieronymus Cosmarium sub cyclicum Maskell Cosmarium subadoxum Grönblad Cosmarium subalatum West & G.S.West Cosmarium subarctoum (Lagerheim) Raciborski Cosmarium subauriculatum West & G.S.West Cosmarium subaversum Barges. Cosmarium subbinale (Nordstedt) Lager. Cosmarium subbroomei Schmidle Cosmarium subcapitulum West Cosmarium subcoliferum Grondlad Cosmarium subconstrictum Schmidle Cosmarium subcontractum West & G.S.West Cosmarium subcostatum Nordstedt Cosmarium subcrenatum Hantzsch Cosmarium subcrenulatum Hantzsch Cosmarium subcucumis Schmidle Cosmarium subcyclicum Maskell Cosmarium subcylindricum West Cosmarium subdanicum West Cosmarium subdeplanatum Schmidle Cosmarium subdepressum West & G.S.West Cosmarium subdistichum Raciborski Cosmarium subeductum \N Cosmarium suberenatum Hantzsch Cosmarium subexcavatum West & G.S.West Cosmarium subglobosum Nordstedt Cosmarium subgranatum (Nordstedt) Lütkemüller Cosmarium subhammeri Richard Cosmarium subhexapapillatum Y.-X.Wei Cosmarium subhumile F.Rich Cosmarium subimpressulum O.Borge Cosmarium subjenisejense Grönblad Cosmarium subkitchelii Jao Cosmarium sublatere-undatum West & G.S.West Cosmarium sublatum Nordstedt Cosmarium sublobatiforme R.L.Grönblad & A.M.Scott Cosmarium sublobatum (Ralfs) W. Archer Cosmarium submamillatum West & G.S.West Cosmarium submamilliferum West & G.S.West Cosmarium subnasutum Raciborski Cosmarium subnotabile Wille Cosmarium subnudiceps West & G.S.West Cosmarium subochthodes Schmidle Cosmarium subochtodes \N Cosmarium suborthogonum Raciborski Cosmarium suborthostichum Raciborski Cosmarium subpachydermum Schmidle Cosmarium subpalangula Elfving Cosmarium subphaseolus F.A.C.Kouwets Cosmarium subprotuberans West & G.S.West Cosmarium subprotumidum Nordstedt Cosmarium subpunctulatum Nordstedt Cosmarium subpyramidatum Nordstedt Cosmarium subquadrans West & G.S.West Cosmarium subquadratum Nordstedt Cosmarium subraciborskii Taft Cosmarium subrectangulare Gutwinski Cosmarium subreinschii Schmidle Cosmarium subreniforme Nordstedt Cosmarium subretusiforme West & G.S.West Cosmarium subspeciosum Nordstedt Cosmarium substriatum Nordstedt Cosmarium subtholiforme \N Cosmarium subtile (West) Lütkemuller Cosmarium subtransiens Croasdale Cosmarium subtrinodulum West & G.S.West Cosmarium subtriordinatum West & G.S.West Cosmarium subtumidum Nordstedt Cosmarium subturgidum (W. B. Turner) Schmidle Cosmarium subundulatum Wille Cosmarium subvalidum Grönblad Cosmarium subvenustum W.West & G.S.West Cosmarium subversum Borge Cosmarium subvitiosum Therezien Cosmarium succisum West Cosmarium sulcatum Nordstedt Cosmarium sumatranum Krieger Cosmarium superbum Taylor Cosmarium supergranatum W. B. Turner Cosmarium supraconnatum (W. B. Turner) Biswas Cosmarium symoensi van Oye Cosmarium synduorhabdum Skuja Cosmarium synostegos Schaarschmidt Cosmarium synthlibomenum West Cosmarium tagmasterion Scott & Prescott Cosmarium tatricum Raciborski Cosmarium taxichondriforme Eichler & Gutwinski Cosmarium taxichondrum P. Lundell Cosmarium taxillus P.F.M.Coesel & A.Delfos Cosmarium taylori N. Carter Cosmarium teilingii Krieger & Bourrelly Cosmarium tenellum Brébisson ex Comère Cosmarium tenue W. Archer Cosmarium teodorescui Péterfi Cosmarium tessellatum (Delponte) Nordstedt Cosmarium tetracentrotum Skuja Cosmarium tetrachondrum P. Lundell Cosmarium tetragonum (Nägeli) W. Archer Cosmarium tetraodon R.L.Grönblad & A.M.Scott Cosmarium tetraophthalmum Brébisson ex Ralfs Cosmarium tholiforme Cohn Cosmarium thomassoni Therezien Cosmarium thwaitesii Ralfs Cosmarium tibeticum Y.-X.Wei Cosmarium tinctum Ralfs Cosmarium tiroliense Gutwinski Cosmarium tithoporoides Willi Krieger Cosmarium tittaghurense W. B. Turner Cosmarium tjibenongense Gutwinski Cosmarium tonollii Grönblad Cosmarium tortum Lagerheim & Nordstedt ex Wittrock Cosmarium trachydermum West & G.S.West Cosmarium trachypleurum P. Lundell Cosmarium trachypolum West & G.S.West Cosmarium trafalgaricum Wittrock Cosmarium transitorium (Heimerl) Ducellier Cosmarium transvaalense F.E.Fritsch & Rich Cosmarium trapezoideum Y.Kanetsuna Cosmarium triangulare Borge Cosmarium triceps W. B. Turner Cosmarium trifasciatum Nordstedt Cosmarium trifluviensis Irenee-Marie Cosmarium trifossum W.& G.S.West Cosmarium triglavense Pevalek Cosmarium trilobulatum Reinsch Cosmarium trinodulum Nordstedt Cosmarium triordinatum West & West Cosmarium tripapillatum West & G.S.West Cosmarium triplicatum Wolle Cosmarium triselionatum Whelden Cosmarium trituberculatum Hinode Cosmarium triunduletum Krieger & Gerloff Cosmarium triverrucosum West & West Cosmarium trochiscum W.& G.S.West Cosmarium tropicum Bernard Cosmarium truncatellum (Perty) Rabenhorst Cosmarium truncatum Brébisson Cosmarium trutum Irenee-Marie Cosmarium tuberculatum W. Archer Cosmarium tuddalense Strøm Cosmarium tumens Nordstedt Cosmarium tumidum P. Lundell Cosmarium turgidum Brébisson ex Ralfs Cosmarium turneri J. Roy Cosmarium turnerianum Maskell Cosmarium turpinii Brébisson Cosmarium tyrolicum (Nordstedt) Willi Krieger & Gerloff Cosmarium uliginosum Playfair Cosmarium umbilicatum Lütkemüller Cosmarium umbonatum W. B. Turner Cosmarium undatum Brühl & Biswas Cosmarium undiferum Schmidle Cosmarium undulatum Corda ex Ralfs Cosmarium ungerianum (Nägeli) de Bary Cosmarium urceum W.West & G.S.West Cosmarium urnigerum Nordstedt Cosmarium usmense Skuja Cosmarium vallegrande Taft Cosmarium van-oyei Bourrelly Cosmarium vanoisii Baier & Martinot Cosmarium vanum Gutwinski Cosmarium variabile Maskell Cosmarium variolatum P. Lundell Cosmarium varsoviense Raciborski Cosmarium venustum (Brébisson) W. Archer Cosmarium verrucosum (Ehrenberg) Meneghini Cosmarium verruculosum (Schmidle) Migula Cosmarium vexatum West Cosmarium vicenistriatum Playfair Cosmarium vigentum Skvortzov & Noda Cosmarium viride Corda ex Joshua Cosmarium viridis (Corda) Joshua Cosmarium visbyense Grönblad Cosmarium vitiosum f.subornatum Förster & Eckert Cosmarium vittatum W. B. Turner Cosmarium vodenense Petkoff Cosmarium vogesiacum Lemaire Cosmarium voronichinii Kosinskaya Cosmarium vossenbergense P. Coesel & M. van Westen Cosmarium wallichii West & West Cosmarium warmingii Borgesen Cosmarium waterbergense Claassen Cosmarium weddellianum Montagne Cosmarium welwitschii W.West & G.S.West Cosmarium wembaerense Schmidle Cosmarium wenmanae Croasdale Cosmarium westii Bernard Cosmarium wildemani Bernard Cosmarium willeanum Raciborski Cosmarium wittrockii P. Lundell Cosmarium wollei (West & G.S.West) Grönblad Cosmarium woloszynskae Coesel & Meesters Cosmarium woodlawnense Playfair Cosmarium wrightianum Archer Cosmarium wudalienchiensis Skvortzov & Noda Cosmarium xainzaense Y.-X.Wei Cosmarium xanthidiforme Förster & Eckert Cosmarium zonarium West & G.S.West Cosmarium zonatum P. Lundell Cosmarium zygomorphicum Taft
Remarks	Created from Taxon Name Import: Cosmarium