Phycology Section
: ecology and taxonomy of freshwater algae, particularly diatoms
Algae genus
Cosmarium
family =
Desmidiaceae
order =
Desmidiales
class =
Chlorophyceae
division =
Chlorophyta
algae_genus_id = 981
algae genus type = Soft Algae
naded_id assignment range = 327
Taxa in this genus: (261)
Cosmarium abbreviatum var. minus (West et West) Krieger et Gerlof
-
327243
(
19195
)
Cosmarium abruptum Lundell
-
327208
(
11422
)
Cosmarium amoenum (Brébisson) Ralfs
-
327085
(
5153
)
Cosmarium angulare Johnson
-
327198
(
7940
)
Cosmarium angulosum Brébisson
-
327022
(
5091
)
Cosmarium angulosum fo. rotundatum Irénée-Marie
-
327245
(
19240
)
Cosmarium asphaerosporum var. strigosum Nordstedt
-
327091
(
6491
)
Cosmarium binum Nordstedt ex Wittrock et Nordstedt
-
327039
(
5108
)
Cosmarium bioculatum Brébisson
-
327036
(
5105
)
Cosmarium bireme Nordstedt
-
327063
(
5132
)
Cosmarium blyttii Wille
-
327248
(
19251
)
Cosmarium boergesenii var. polymorphum Förster
-
327095
(
6606
)
Cosmarium botrytis (Meneghini) Ralfs
-
327007
(
5076
)
Cosmarium botrytis var. gemmiferum (Brébisson) Nordstedt
-
327061
(
5130
)
Cosmarium botrytis var. mediolaeve W. West
-
327096
(
6607
)
Cosmarium botrytis var. paxillosporum W. West et G.S. West
-
327097
(
6608
)
Cosmarium botrytis var. subtumidum Wittrock
-
327098
(
6609
)
Cosmarium botrytis var. tumidum Wolle
-
327191
(
7087
)
Cosmarium calcareum Wittrock
-
327064
(
5133
)
Cosmarium candianum Delponte
-
327212
(
12504
)
Cosmarium cf. angulosum ANDRESEN Brébisson
-
327154
(
6665
)
Cosmarium cf. angulosum CIUGULEA Brébisson
-
327220
(
14484
)
Cosmarium cf. aphanichondrum ANDRESEN Nordstedt
-
327155
(
6666
)
Cosmarium cf. aphanichondrum ANDRESEN Nordstedt
-
327156
(
6667
)
Cosmarium cf. binum ANDRESEN Nordstedt ex Wittrock et Nordstedt
-
327157
(
6668
)
Cosmarium cf. bioculatum ANDRESEN Brébisson
-
327158
(
6669
)
Cosmarium cf. calcareum ANDRESEN Wittrock
-
327159
(
6670
)
Cosmarium cf. candianum MEDP FWA Delponte
-
327206
(
11420
)
Cosmarium cf. costatum ANDRESEN Nordstedt
-
327160
(
6671
)
Cosmarium cf. difficile var. rotundatum ANDRESEN Scott & Grönblad
-
327161
(
6672
)
Cosmarium cf. finlandicum var. subetchachanense ANDRESEN (Grönblad) Prescott
-
327162
(
6673
)
Cosmarium cf. formosulum ANDRESEN Hoffman ex Nordstedt
-
327163
(
6674
)
Cosmarium cf. formosulum Hoffman ex Nordstedt
-
327023
(
5092
)
Cosmarium cf. formosulum var. formosulum CIUGULEA Nordstedt
-
327221
(
14485
)
Cosmarium cf. formulosum ANDRESEN Hoffman ex Nordstedt
-
327164
(
6675
)
Cosmarium cf. granatum ANDRESEN Brébisson ex Ralfs
-
327165
(
6676
)
Cosmarium cf. granatum CIUGULEA Brébisson ex Ralfs
-
327222
(
14486
)
Cosmarium cf. logiense ANDRESEN Bissett
-
327167
(
6678
)
Cosmarium cf. logiense var. expansa ANDRESEN W. West et G.S. West
-
327166
(
6677
)
Cosmarium cf. margaritatum (Lund) Roy et Bissett
-
327035
(
5104
)
Cosmarium cf. ornatum NWCA11 BER Ralfs
-
327240
(
17025
)
Cosmarium cf. phaseolus CIUGULEA Brébisson
-
327223
(
14487
)
Cosmarium cf. pseudopyramidatum ANDRESEN Lundell
-
327168
(
6679
)
Cosmarium cf. pseudoretusum CIUGULEA Ducellier
-
327224
(
14488
)
Cosmarium cf. punctulatum ANDRESEN Brébisson
-
327169
(
6680
)
Cosmarium cf. punctulatum RINKEL Brébisson
-
327237
(
15102
)
Cosmarium cf. quadrum ANDRESEN Lundell
-
327170
(
6681
)
Cosmarium cf. quasillus ANDRESEN Lundell
-
327171
(
6682
)
Cosmarium cf. quinarium Lundell
-
327017
(
5086
)
Cosmarium cf. rectangulare var. hexagonum ANDRESEN (Elfving) W. West et G.S. West
-
327172
(
6683
)
Cosmarium cf. rectosporum ANDRESEN Turner
-
327173
(
6684
)
Cosmarium cf. repandum Nordstedt
-
327051
(
5120
)
Cosmarium cf. speciosum ANDRESEN Lundell
-
327175
(
6686
)
Cosmarium cf. speciosum var. transiens ANDRESEN
-
327174
(
6685
)
Cosmarium cf. subcostatum fo. minor ANDRESEN W. West et G.S. West
-
327176
(
6687
)
Cosmarium cf. subimpressulum ANDRESEN Borge
-
327177
(
6688
)
Cosmarium cf. subprotumidum var. subprotumidum forma CIUGULEA Taylor
-
327225
(
14489
)
Cosmarium cf. subtumidum ANDRESEN Nordstedt ex Wittrock et Nordstedt
-
327179
(
6690
)
Cosmarium cf. subtumidum var. rotundatum ANDRESEN Hirano
-
327178
(
6689
)
Cosmarium cf. transitorium ANDRESEN (Heimerl) Ducellier
-
327180
(
6691
)
Cosmarium cf. tumidum ANDRESEN Lundell
-
327181
(
6692
)
Cosmarium cf. undulatum var. minutum MEDP FWA Wittrock
-
327207
(
11421
)
Cosmarium cf. venustum ANDRESEN (Brébisson) Archer ex Pritchard
-
327182
(
6693
)
Cosmarium cf. vexatum ANDRESEN W. West
-
327183
(
6694
)
Cosmarium circulare Reinsch
-
327027
(
5096
)
Cosmarium connatum (Brébisson) Ralfs
-
327099
(
6610
)
Cosmarium contractum Kirchner
-
327029
(
5098
)
Cosmarium contractum var. minutum (Delponte) W. West et G.S. West
-
327100
(
6611
)
Cosmarium costatum Nordstedt
-
327101
(
6612
)
Cosmarium cucumis Corda ex Ralfs
-
327042
(
5111
)
Cosmarium cucurbita Brébisson
-
327034
(
5103
)
Cosmarium dentatum Wolle
-
327090
(
5158
)
Cosmarium depressum depressum minutum Heimerl
-
327056
(
5125
)
Cosmarium depressum var. granulatum Turner
-
327102
(
6613
)
Cosmarium dispersum Johnson
-
327065
(
5134
)
Cosmarium emarginatum W. West et G.S. West
-
327057
(
5126
)
Cosmarium exiguum Archer
-
327103
(
6614
)
Cosmarium exiguum var. maius (Nordstedt) Krieger et Gerloff
-
327189
(
7051
)
Cosmarium formosulum Hoffman
-
327053
(
5122
)
Cosmarium formulosum var. nathorstii fo. wisemaniense Croasdale
-
327104
(
6615
)
Cosmarium furcatospermum W. West et G.S. West
-
327105
(
6616
)
Cosmarium galeritum Nordstedt
-
327006
(
5075
)
Cosmarium garrolense Roy et Bissett
-
327068
(
5136
)
Cosmarium garrolense var. crassum Jao
-
327067
(
5135
)
Cosmarium garrolense var. crassum Jao
-
327194
(
7105
)
Cosmarium gayanum De Toni
-
327218
(
13974
)
Cosmarium geometricum var. sueciacum Borge
-
327092
(
6492
)
Cosmarium granatum Brébisson ex Ralfs
-
327012
(
5081
)
Cosmarium granatum var. delpontei Gutwinski
-
327088
(
5156
)
Cosmarium granulatum W. West
-
327069
(
5137
)
Cosmarium hammeri Reinsch
-
327070
(
5138
)
Cosmarium hammeri var. schmidlei Grönblad et Scott
-
327041
(
5110
)
Cosmarium holmiense Lundell
-
327239
(
17024
)
Cosmarium holmiense var. hibernicum (W. West) Schmidle
-
327192
(
7088
)
Cosmarium hornavense Gutwinski
-
327046
(
5115
)
Cosmarium humile (Gay) Nordstedt
-
327026
(
5095
)
Cosmarium impressulum Elfving
-
327008
(
5077
)
Cosmarium impressulum var. crenulatum Krieger et Gerloff
-
327210
(
11576
)
Cosmarium impressulum var. suborthogonum (W. West et G.S. West) Taft
-
327106
(
6617
)
Cosmarium incertum Schmidle
-
327107
(
6618
)
Cosmarium isthmium W. West
-
327211
(
12132
)
Cosmarium laeve Rabenhorst
-
327044
(
5113
)
Cosmarium levinotabile Croasdale
-
327238
(
15329
)
Cosmarium levinotabile fo. latius (Gay) Croasdale
-
327213
(
12505
)
Cosmarium ligoniforme var. crassum Förster
-
327250
(
19478
)
Cosmarium lomnicense Lütkemüller
-
327246
(
19246
)
Cosmarium majae Strøm
-
327058
(
5127
)
Cosmarium margaritatum (Lund) Roy et Bissett
-
327003
(
5072
)
Cosmarium margaritatum fo. minor (Boldt) W. West et G.S. West
-
327193
(
7089
)
Cosmarium meneghini Brébisson ex Ralfs
-
327071
(
5139
)
Cosmarium microsphinctum Nordstedt
-
327031
(
5100
)
Cosmarium minor
-
327072
(
5140
)
Cosmarium modestum W. West et G.S. West
-
327108
(
6619
)
Cosmarium moniliforme (Turpin) Ralfs
-
327015
(
5084
)
Cosmarium monomazum var. polymazum Nordstedt
-
327109
(
6620
)
Cosmarium montrealense Croasdale
-
327110
(
6621
)
Cosmarium naplesiense Scott & Grönblad
-
327190
(
7052
)
Cosmarium nitidulum DeNotaris
-
327111
(
6622
)
Cosmarium notabile Brébisson
-
327010
(
5079
)
Cosmarium nymannianum Grunow
-
327242
(
19189
)
Cosmarium obliquum Nordstedt
-
327112
(
6623
)
Cosmarium obtusatum Schmidle
-
327049
(
5118
)
Cosmarium obtusatum var. beanlandii W. West et G.S. West
-
327086
(
5154
)
Cosmarium ochthodes Nordstedt
-
327113
(
6624
)
Cosmarium ochthodes var. amoebum W. West
-
327216
(
12787
)
Cosmarium ornatum Ralfs
-
327048
(
5117
)
Cosmarium orthostichum fo. subpolonicum Messikommer
-
327114
(
6625
)
Cosmarium pachydermum fo. parvum Croasdale
-
327115
(
6626
)
Cosmarium pachydermum Lundell
-
327040
(
5109
)
Cosmarium phaseolus Brébisson
-
327073
(
5141
)
Cosmarium phaseolus fo. minus Boldt
-
327074
(
5142
)
Cosmarium pokornyanum (Grunow) W. West et G.S. West
-
327116
(
6627
)
Cosmarium polygonum (Nägeli) Archer
-
327199
(
7941
)
Cosmarium portianum Archer
-
327030
(
5099
)
Cosmarium praecisum var. suecicum (Borge) Kreiger et Gerloff
-
327117
(
6628
)
Cosmarium protractum (Nägeli) deBary
-
327028
(
5097
)
Cosmarium protractum (Nägeli) deBary
-
327066
(
9989
)
Cosmarium pseudoconnatum Nordstedt
-
327118
(
6629
)
Cosmarium pseudoconnatum var. ornatum Allorge et Allorge
-
327119
(
6630
)
Cosmarium pseudoexiguum Raciborski
-
327120
(
6631
)
Cosmarium pseudopyramidatum Lundell
-
327121
(
6632
)
Cosmarium pseudoretusum Ducellier
-
327075
(
5143
)
Cosmarium pseudotaxichondrum Nordstedt
-
327235
(
17006
)
Cosmarium punctulatum Brébisson
-
327011
(
5080
)
Cosmarium punctulatum var. subpunctulatum (Nordstedt) Borgesen
-
327122
(
6633
)
Cosmarium pygmaeum Archer
-
327197
(
7687
)
Cosmarium pyramidatum Brébisson
-
327033
(
5102
)
Cosmarium pyramidatum var. convexum Krieger et Gerloff
-
327032
(
5101
)
Cosmarium quadrum Lundell
-
327094
(
6545
)
Cosmarium quadrum var. minus Nordstedt
-
327093
(
6525
)
Cosmarium quadrum var. sublatum fo. dilatatum Scott & Grönblad
-
327055
(
5124
)
Cosmarium quasillus Lundell
-
327123
(
6634
)
Cosmarium quinarium Lundell
-
327241
(
17154
)
Cosmarium ralfsii Brébisson
-
327043
(
5112
)
Cosmarium rectosporum Turner
-
327127
(
6638
)
Cosmarium regnellii var. minimum Eichler et Gutwinski
-
327060
(
5129
)
Cosmarium regnellii Wille
-
327062
(
5131
)
Cosmarium regnesi Reinsch
-
327038
(
5107
)
Cosmarium regnesi var. montanum Schmidle
-
327025
(
5094
)
Cosmarium reinschii Archer
-
327054
(
5123
)
Cosmarium reniforme (Ralfs) Archer
-
327019
(
5088
)
Cosmarium reniforme var. apertum W. West et G.S. West
-
327124
(
6635
)
Cosmarium reniforme var. compressum Nordstedt
-
327125
(
6636
)
Cosmarium reniforme var. laeve Irénée-Marie
-
327126
(
6637
)
Cosmarium repandum Nordstedt
-
327204
(
8172
)
Cosmarium schliephackeanum Grunow
-
327047
(
5116
)
Cosmarium scopulorum Borge
-
327076
(
5144
)
Cosmarium sexangulare Lundell
-
327089
(
5157
)
Cosmarium sexnotatum var. tristriatum (Lütkemuller) Schmidle
-
327236
(
14549
)
Cosmarium simonyi
-
327018
(
5087
)
Cosmarium smolandicum Lundell
-
327077
(
5145
)
Cosmarium sp.
-
327001
(
5070
)
Cosmarium sp. 0A UL NAWQA EDJ
-
327078
(
5146
)
Cosmarium sp. 0B UL NAWQA EDJ
-
327079
(
5147
)
Cosmarium sp. 0C UL NAWQA EJ
-
327080
(
5148
)
Cosmarium sp. 1 ?
-
327203
(
8043
)
Cosmarium sp. 1 ANS FWA Adirondacks
-
327196
(
7172
)
Cosmarium sp. 1 ANS FWA TRIN
-
327201
(
7971
)
Cosmarium sp. 1 ANS JWR
-
327050
(
5119
)
Cosmarium sp. 1 ANS MEK
-
327013
(
5082
)
Cosmarium sp. 1 ANS SCTX
-
327202
(
7974
)
Cosmarium sp. 1 MEDP FWA
-
327205
(
11411
)
Cosmarium sp. 1 NAWQA Cal Acad
-
327184
(
6695
)
Cosmarium sp. 1 NRSA BR
-
327214
(
13156
)
Cosmarium sp. 1 NRSA IC
-
327226
(
14503
)
Cosmarium sp. 1 NRSA JAH
-
327227
(
14505
)
Cosmarium sp. 1 UM 1996 UTEN
-
327138
(
6649
)
Cosmarium sp. 1 UM 1996 UTEN NAA
-
327128
(
6639
)
Cosmarium sp. 1 UM ALBE NAA
-
327129
(
6640
)
Cosmarium sp. 10 ?
-
327999
(
12167
)
Cosmarium sp. 2 ?
-
327991
(
10065
)
Cosmarium sp. 2 ANS FWA
-
327002
(
5071
)
Cosmarium sp. 2 MEDP FWA
-
327209
(
11423
)
Cosmarium sp. 2 NAWQA Cal Acad
-
327185
(
6696
)
Cosmarium sp. 2 NRSA BR
-
327217
(
13841
)
Cosmarium sp. 2 NRSA IC
-
327228
(
14508
)
Cosmarium sp. 2 NRSA JAH
-
327229
(
14509
)
Cosmarium sp. 2 UM 1996 UTEN NAA
-
327130
(
6641
)
Cosmarium sp. 3 ?
-
327992
(
12160
)
Cosmarium sp. 3 ANS FWA
-
327004
(
5073
)
Cosmarium sp. 3 NAWQA Cal Acad
-
327186
(
6697
)
Cosmarium sp. 3 UM 1996 UTEN NAA
-
327131
(
6642
)
Cosmarium sp. 4 ?
-
327993
(
12161
)
Cosmarium sp. 4 NAWQA Cal Acad
-
327187
(
6698
)
Cosmarium sp. 4 UM NAA
-
327132
(
6643
)
Cosmarium sp. 5 ?
-
327994
(
12162
)
Cosmarium sp. 5 NRSA JAH
-
327230
(
14511
)
Cosmarium sp. 5 UM NAA
-
327133
(
6644
)
Cosmarium sp. 6 ?
-
327995
(
12163
)
Cosmarium sp. 6 NRSA JAH
-
327231
(
14512
)
Cosmarium sp. 6 UM NAA
-
327134
(
6645
)
Cosmarium sp. 7 ?
-
327996
(
12164
)
Cosmarium sp. 7 UM NAA
-
327135
(
6646
)
Cosmarium sp. 8 ?
-
327997
(
12165
)
Cosmarium sp. 8 NRSA JAH
-
327232
(
14515
)
Cosmarium sp. 8 UM NAA
-
327136
(
6647
)
Cosmarium sp. 9 ?
-
327998
(
12166
)
Cosmarium sp. 9 NRSA JAH
-
327233
(
14516
)
Cosmarium sp. 9 UM NAA
-
327137
(
6648
)
Cosmarium speciosum Lundell
-
327037
(
5106
)
Cosmarium speciosum var. rostafinskii fo. americana (W. West et G.S. West) W. West et G.S. West
-
327139
(
6650
)
Cosmarium speciosum var. simplex Nordstedt
-
327140
(
6651
)
Cosmarium sportella Brébisson ex Kützing
-
327141
(
6652
)
Cosmarium spp.
-
327889
(
9388
)
Cosmarium subarctoum (Lagerheim) Raciborski
-
327142
(
6653
)
Cosmarium subcostatum fo. minor W. West et G.S. West
-
327143
(
6654
)
Cosmarium subcostatum Nordstedt ex Nordstedt et Wittrock
-
327021
(
5090
)
Cosmarium subcrenatum Hantzsch ex Rabenhorst
-
327000
(
5069
)
Cosmarium subcucumis Schmidle
-
327195
(
7128
)
Cosmarium sublateriundatum W. West et G.S. West
-
327144
(
6655
)
Cosmarium subprotumidum var. gregorii (Roy et Bissett) W. West et G.S. West
-
327145
(
6656
)
Cosmarium subprotumidum var. pyramidatum Bicudo
-
327081
(
5149
)
Cosmarium subreniforme Nordstedt
-
327045
(
5114
)
Cosmarium subspeciosum var. transiens Messikommer
-
327146
(
6657
)
Cosmarium subtumidum Nordstedt ex Wittrock et Nordstedt
-
327020
(
5089
)
Cosmarium subtumidum var. minutum (Krieger) Krieger et Gerloff
-
327147
(
6658
)
Cosmarium subundulatum Wille
-
327082
(
5150
)
Cosmarium succisum West
-
327244
(
19199
)
Cosmarium taxichondrum var. mauritianum Irénée-Marie
-
327219
(
14383
)
Cosmarium tenue Archer
-
327024
(
5093
)
Cosmarium tenue var. depressum Irénée-Marie
-
327249
(
19291
)
Cosmarium tinctum Ralfs
-
327059
(
5128
)
Cosmarium transiens Gay
-
327148
(
6659
)
Cosmarium transitorium (Heimerl) Ducellier
-
327149
(
6660
)
Cosmarium trilobulatum Reinsch
-
327009
(
5078
)
Cosmarium trilobulatum var. depressum Printz
-
327052
(
5121
)
Cosmarium tuddalense Strøm
-
327200
(
7942
)
Cosmarium tumidum Lundell
-
327083
(
5151
)
Cosmarium tumidum var. tumidum fo. minus Messikommer
-
327234
(
14517
)
Cosmarium turpinii Brébisson
-
327005
(
5074
)
Cosmarium undulatum Corda ex Ralfs
-
327014
(
5083
)
Cosmarium undulatum Corda ex Ralfs
-
327016
(
5085
)
Cosmarium undulatum var. minutum Wittrock
-
327087
(
5155
)
Cosmarium undulatum var. wollei W. West
-
327084
(
5152
)
Cosmarium vallegrande Taft
-
327215
(
13231
)
Cosmarium variolatum var. rotundatum (Krieger) Messikommer
-
327150
(
6661
)
Cosmarium venustum (Brébisson) Archer
-
327188
(
7043
)
Cosmarium venustum fo. minus Wille
-
327247
(
19248
)
Cosmarium vexatum var. lacustre Messikommer
-
327151
(
6662
)
Cosmarium wembaerense Schmidle
-
327152
(
6663
)
Cosmarium zygomorphum Taft
-
327153
(
6664
)
from Taxaservice v11.4 code update 6/17/2017
If problems with this page, please email
charles A T ansp.org
