Danh sách loài trong họ Desmidiaceae

Dưới đây là danh sách các loài trong họ Desmidiaceae

## Các loài xếp theo chi
Phần này liệt kê các chi, loài và giống:
### Actinotaenium
* Actinotaenium ((Naegeli) Teiling)
* Actinotaenium clevei ((Lund.) Teil.)
* Actinotaenium clevei var. clevei ((Lundell) Teiling)
* Actinotaenium clevei var. gelidum ((Wittr.) Roy and Biss.)
* Actinotaenium cruciferum ((Brebisson) West and West)
* Actinotaenium cruciferum var. cruciferum ((Brebisson) West and West)
* Actinotaenium cruciferum var. latius (Teiling)
* Actinotaenium cruciferum var. minus (Teiling)
* Actinotaenium cucurbita ((Brebisson) Teil.)
* Actinotaenium cucurbita var. cucurbita ((Brebisson) Teil.)
* Actinotaenium cucurbita var. latius ((W. West) Teil.)
* Actinotaenium cucurbita var. attenuata ((G. S. West) Teiling)
* Actinotaenium cucurbitinum ((Biss.) Teil.)
* Actinotaenium cucurbitinum var. cucurbitinum ((Biss.) Teil.)
* Actinotaenium cucurbitinum var. minus ((West and West) Teil.)
* Actinotaenium cucurbitinum var. minutum ((Prescott) Teiling)
* Actinotaenium curtum ((Brebisson Ex Ralfs) Teil.)
* Actinotaenium curtum var. minus ((Brebisson Ex Ralfs) Teil.)
* Actinotaenium diplosporum ((Lund.) Teil.)
* Actinotaenium diplosporum var. diplosporum ((Lind.) Teil.)
* Actinotaenium diplosporum var. americanum ((West and West) Teil.)
* Actinotaenium inconspicuum ((W. West) Teil.)
* Actinotaenium rufescens ((Brebisson) West and West)
* Actinotaenium taylori ((Brebisson) West and West)
* Actinotaenium viride ((Brebisson) West and West)
* Actinotaenium canadense (Bourrelly)
* Actinotaenium cotatum ((Wolle) Bourrelly)
* Actinotaenium subglobosum ((Nordst.) Teiling)
* Actinotaenium regelianum ((Naegeli) Schllenberg)
* Actinotaenium crassiusculum ((Be Bary) Teiling)
* Actinotaenium capax ((Joshua) Teiling)
* Actinotaenium capax var. capax ((Joshua) Teiling)
* Actinotaenium capax var. minus ((Schmidle) Teiling)
* Actinotaenium elongatum ((Racib.) Teiling)
* Actinotaenium subtile ((West and West) Teiling)
* Actinotaenium trachypolum ((West and West) Teiling)
* Actinotaenium trachypolum var. trachypolum ((West and West) Teiling)
* Actinotaenium trachypolum var. messikommeri (Teiling)

### Arthrodesmus
* Arthrodesmus (Ehrenberg)
* * Arthrodesmus extensus ((Borge) Hirano)
* * Arthrodesmus extensus var. extensus ((Borge) Hirano)
* * Arthrodesmus extensus var. croasdaleae (Bicudo)
* * Arthrodesmus crassus (West and West)
* * Arthrodesmus mucronulatus (Nordst.)
* * Arthrodesmus octocornis (Ehrenberg)
* * Arthrodesmus octocornis var. octocornis (Ehrenberg)
* * Arthrodesmus octocornis var. mamillatus (Scott and Gronblad)
* * Arthrodesmus octocornis var. tenuis (Irenee-marie)
* * Arthrodesmus tenuissimus (Archer)
* * Arthrodesmus trispinatus (West and West)
* * Arthrodesmus sachlanii (Scott and Prescott)
* * Arthrodesmus subulatus (Kuetzing)
* * Arthrodesmus validus ()
* * Arthrodesmus validus var. validus ()
* * Arthrodesmus validus var. incrassatus (Scott and Gronblad)
* * Arthrodesmus ralfsii (Turpin)
* * Arthrodesmus ralfsii var. ralfsii (Turpin)
* * Arthrodesmus ralfsii var. latiuscula (West and West)
* * Arthrodesmus phimus (Turner)
* * Arthrodesmus phimus var. phimus (Turner)
* * Arthrodesmus phimus var. occidentalis (West and West)
* * Arthrodesmus bifidus (Brebisson)
* * Arthrodesmus bifidus var. bifidus (Brebisson)
* * Arthrodesmus bifidus var. cruciatum (Skuja)
* * Arthrodesmus bifidus var. missionwellensis (Sieminska)
* * Arthrodesmus bulnheimii (Raciborski)
* * Arthrodesmus bulnheimii var. bulnheimii (Raciborski)
* * Arthrodesmus bulnheimii var. subincus (West and West)
* * Arthrodesmus incus ((Brebisson) Hassall)
* * Arthrodesmus incus var. incus ((Brebisson) Hassall)
* * Arthrodesmus incus var. indentatus (West and West)
* * Arthrodesmus incus var. malaccensis (Bernard)
* * Arthrodesmus incus var. validus (West and West)
* * Arthrodesmus incus var. vulgaris (Eichler and Raciborski)
* * Arthrodesmus mooari (Jackson)
* * Arthrodesmus tortus (Groenblad)
* * Arthrodesmus triangularis (Lagerheim)
* * Arthrodesmus triangularis var. triangularis (Lagerheim)
* * Arthrodesmus triangularis var. suntriangularis ((Bborge) West and West)

### Bambusina
* Bambusina (Kuetzing Ex Kuetzing, 1849)
:* Bambusina brebissonii (Kuetz.)
:* Bambusina borreri ((Ralfs) Cleve)
:* Bambusina moniliformis (Ehrenberg)
:* Bambusina moniliformis var. moniliformis (Ehrenberg)
:* Bambusina moniliformis var. gracilescens (Norstedtg)
:* Bambusina delicatissima (Wolle)

### Closterium
* Closterium (J. Ralfs, 1848)
* * Closterium setaceum var. vittatum (Gronbl.)
* * Closterium dianae var. brevius (Woloszynska)
* * Closterium kuetzingii var. vittatum (Nordst)
* * Closterium parvulum var. maius (G. S. West)
* * Closterium tumidum var. nylandicum (Gronbl.)
* * Closterium arcuarium (Hughes)
* * Closterium malinvernianiforme (Gronbl.)
* * Closterium gracile (Breb)
* * Closterium gracile var. gracile (Breb)
* * Closterium gracile var. elongatum (West and West)
* * Closterium gracile var. tenue ((Lemm.) West and West)
* * Closterium acutum (Breb)
* * Closterium acutum var. acutum ((Lyngb.) Breb.)
* * Closterium acutum var. linea ((Perty) West and West)
* * Closterium acutum var. variabile ((Lemm.) Krieg.)
* * Closterium setaceum (Ehrenberg)
* * Closterium setaceum var. setaceum (Ehrenberg)
* * Closterium setaceum var. sigmoideum (Irenne-marie)
* * Closterium didymotocum ()
* * Closterium strigosum (Brebisson)
* * Closterium strigosum var. strigosum (Brebisson)
* * Closterium strigosum var. elegans ((G. West) Krieg.)
* * Closterium acerosum ()
* * Closterium acerosum var. acerosum ((Shrank) Ehrbg.)
* * Closterium acerosum var. angolense (West and West)
* * Closterium acerosum var. elongatum (Breb)
* * Closterium acerosum var. minus (Hantz.)
* * Closterium lunula ((O. F. Mueller) J. Ralfs)
* * Closterium lunula var. lunula ((O. F. Mueller) J. Ralfs)
* * Closterium lunula var. gracilis (Messik.)
* * Closterium lunula var. maximum (Borge)
* * Closterium lunula var. minor (West and West)
* * Closterium lunula var. coloratum (Taft)
* * Closterium littorale (Gay.)
* * Closterium aciculare (T. West)
* * Closterium aciculare var. aciculare (T. West)
* * Closterium aciculare var. brevis (Elenkin)
* * Closterium angustatum (Kuetz.)
* * Closterium angustatum var. angustatum (Kuetz.)
* * Closterium angustatum var. boergesenii (Gutw.)
* * Closterium angustatum var. annulatum (Hugues)
* * Closterium angustatum var. gracile (Kossinskaja)
* * Closterium archerianum (Cleve)
* * Closterium archerianum var. archerianum (Cleve)
* * Closterium archerianum var. major (Irenee-marie)
* * Closterium attenuatum (Ehrbg.)
* * Closterium baillyanum (Brebisson)
* * Closterium baillyanum var. baillyanum (Brebisson)
* * Closterium baillyanum var. parvulum (Groenblad.)
* * Closterium braunii (Reinsch)
* * Closterium calosporum (Wittrock)
* * Closterium calosporum var. caloporuum (Wittrock)
* * Closterium calosporum var. brasiliense (Boergesen)
* * Closterium cornu (Ehrbg.)
* * Closterium cornu var. cornu (Ehrbg.)
* * Closterium cornu var. arcum (Turpin)
* * Closterium costatum (Corda)
* * Closterium costatum var. costatum (Corda)
* * Closterium costatum var. dilatatum ((West and West) Krieg)
* * Closterium costatum var. westii (Cushman)
* * Closterium costatum var. scotii (Prescott)
* * Closterium costatum var. subcostatum ((Nordst.) Krieger)
* * Closterium cynthia (Denot)
* * Closterium cynthia var. cynthia (Denot)
* * Closterium cynthia var. jenneri ((Ralfs) Krieger)
* * Closterium delpontii ((Klebs) Wolle)
* * Closterium dianae (Woloszynska)
* * Closterium dianae var. dianae (Woloszynska)
* * Closterium dianae var. arcuatum (Woloszynska)
* * Closterium dianae var. excavatum ((Borge) Ruzicki)
* * Closterium eboracense ((Ehrbg.) Turner)
* * Closterium ehrenbergii (Meneghini)
* * Closterium ehrenbergii var. ehrenbergii (Meneghini)
* * Closterium ehrenbergii var. malinvernianum ((Brebisson) West and West)
* * Closterium idiosporum (West and West)
* * Closterium incurvum (Breb)
* * Closterium intermedium (Ralfs)
* * Closterium intermedium var. intermedium (Ralfs)
* * Closterium intermedium var. hibernicum (West)
* * Closterium jenneri (Ralfs)
* * Closterium jenneri var. jenneri (Ralfs)
* * Closterium jenneri var. robustum (Ralfs)
* * Closterium juncidium (Ralfs)
* * Closterium juncidium var. juncidium (Ralfs)
* * Closterium juncidium var. brevius ((Ralfs) Roy)
* * Closterium juncidium var. elongatum (Roy and Biss.)
* * Closterium kuetzingii (Brebisson)
* * Closterium kuetzingii var. kuetzingii (Brebisson)
* * Closterium kuetzingii var. sigmoides (Irenee-marie)
* * Closterium lagoense (Nordstsdt)
* * Closterium lanceolatum (Kuetz)
* * Closterium lanceolatum var. lanceolatum (Kuetz)
* * Closterium lanceolatum var. parvum (West and West)
* * Closterium leibleinii (Kuetzing)
* * Closterium leibleinii var. leibleinii (Kuetzing)
* * Closterium leibleinii var. recurvatum (West and West)
* * Closterium libellula (Focke)
* * Closterium libellula var. libellula (Focke)
* * Closterium libellula var. intermedium ((Roy and Biss.) G. West)
* * Closterium libellula var. interruptum ((West and West) Donat)
* * Closterium lineatum (Ehrenberg)
* * Closterium lineatum var. lineatum (Ehrenberg)
* * Closterium lineatum var. costatum (Wolle)
* * Closterium lineatum var. latius ((Elenkin and Lobik))
* * Closterium macilentum (Breb)
* * Closterium moniliferum ((Bory) Ehrbg.)
* * Closterium moniliferum var. miniliferum ((Bory) Ehrbg.)
* * Closterium moniliferum var. subrectum ((Groenbl.) Poljansky)
* * Closterium moniliferum var. concavum (Klebs)
* * Closterium navicula ((Breb) Luetkem.)
* * Closterium navicula var. navicula ((Breb) Luetkem.)
* * Closterium navicula var. crassum ((West and West) Groenbl.)
* * Closterium navicula var. inflatum (West and West) Groenbl.)
* * Closterium parvulum (Naeg.)
* * Closterium parvulum var. parvulum (Naeg.)
* * Closterium parvulum var. angustum (West and West)
* * Closterium parvulum var. taylori (Jackson)
* * Closterium parvulum var. obtusum (Croasdale)
* * Closterium porrectum (Nordst.)
* * Closterium praelongum (Breb)
* * Closterium praelongum var. praelongum (Breb)
* * Closterium praelongum var. brevius (Nordst.)
* * Closterium praelongum var. crassius (Schm.)
* * Closterium praelongum var. brevior (West)
* * Closterium praelongum var. elongatum (Jackson)
* * Closterium pritchardianum (Archer)
* * Closterium pronum (Breb)
* * Closterium pseudodianae (Roy)
* * Closterium ralfsii (Brebisson)
* * Closterium ralfsii var. ralfsii (Brebisson)
* * Closterium ralfsii var. hybridum (Rabenhorst)
* * Closterium ralfsii var. montanum (Raciborski)
* * Closterium ralfsii var. immane (Cushman)
* * Closterium ralfsii var. gracilius ((Mask.) Krieger)
* * Closterium ralfsii var. kriegeri (Hughes)
* * Closterium ralfsii var. novae-angliae (Krieger)
* * Closterium regulare (Brebisson)
* * Closterium rostratum (Ehrenberg)
* * Closterium striolatum (Ehrenberg)
* * Closterium striolatum var. striolatum (Ehrenberg)
* * Closterium striolatum var. subtruncatum ((West and West) Krieg.)
* * Closterium striolatum var. erectum (Klebs)
* * Closterium striolatum var. intermedium (Ehrenberg)
* * Closterium sublatum ((Kuetz.) Breb.)
* * Closterium toxon (Turpin)
* * Closterium tumidum (Johnson)
* * Closterium tumidum var. tumidum (Johnson)
* * Closterium tumidum var. sphaerosporum (G. West)
* * Closterium turgidum (Ehrenberg)
* * Closterium turgidum var. turgidum (Ehrenberg)
* * Closterium turgidum var. giganteum (Nordst. In Wittr. and Nordst.)
* * Closterium ulna (Focke)
* * Closterium ulna var. ulna (Focke)
* * Closterium ulna var. recurvatum ((Roll) Krieger)
* * Closterium venus (Kuetz.)
* * Closterium venus var. venus (Kuetz.)
* * Closterium venus var. westii ((West) Krieg.)
* * Closterium venus var. minus (Roll.)
* * Closterium venus var. appollonionis (Croasdale)
* * Closterium venus var. crassum (Corasdale)
* * Closterium venus var. incurvum ((Brebisson) West and West)
* * Closterium abruptum (Turpin)
* * Closterium abruptum var. abruptum (Turpin)
* * Closterium abruptum var. brevis (West and West)
* * Closterium abruptum var. canadense (Bourrelly)
* * Closterium brunelii (Bourrelly)
* * Closterium cuspidatum (Bailey)
* * Closterium laterale (Nordstedt)
* * Closterium malmei (Borge)
* * Closterium pusillum (Hantzsch)
* * Closterium seracerosum ()
* * Closterium peracerosum (Gay)
* * Closterium peracerosum var. peracerosum (Gay)
* * Closterium peracerosum var. elegans (G. S. West)
* * Closterium flaccidum (Delponte)
* * Closterium limneticum (Lemmermann)
* * Closterium limneticum var. limnecticum (Lemmermann)
* * Closterium limneticum var. fallax (Ruzicka)
* * Closterium nematodes (Joshua)
* * Closterium spetsbergense (Borge)
* * Closterium spetsbergense var. spetsbergense (Borge)
* * Closterium spetsbergense var. longius (Poljansky)
* * Closterium spetsbergense var. subspetsbergense ((Wor.) Kossinskaja)
* * Closterium subangulatum (Gutwinski)
* * Closterium sublaterale (Ruzicka)
* * Closterium tumidulum (Gay)
* * Closterium eriense (Taft)
* * Closterium brebissonii (Delpont)

### Cosmarium
* Cosmarium (Ralfs, 1848)
* * Cosmarium undulatum (Ralfs, 1848)
* * Cosmarium monomazum (Lund.)
* * Cosmarium botrytis (Meneghini)
* * Cosmarium botrytis var. botrytis (Meneghini)
* * Cosmarium botrytis var. tumidum (Wolle)
* * Cosmarium botrytis var. subtumidum (Wittrock)
* * Cosmarium botrytis var. gemmiferum (Meneghini)
* * Cosmarium abbreviatum (Reciborski)
* * Cosmarium abbreviatum var. abbreviatum (Reciborski)
* * Cosmarium abbreviatum var. planctonicum (West and West)
* * Cosmarium alpestre (Roy and Biss.)
* * Cosmarium amoenum (Brebisson)
* * Cosmarium anceps (Lind.)
* * Cosmarium angulatum ((Perty) Rabh.)
* * Cosmarium angulatum var. angulatum ((Perty) Rahb.)
* * Cosmarium angulatum var. major (Grunow)
* * Cosmarium angulosum (Brebisson)
* * Cosmarium annulatum ((Naegeli) De Bary)
* * Cosmarium annulatum var. annulatum ((Naegeli) De Bary)
* * Cosmarium annulatum var. elegans (Nordst.)
* * Cosmarium arctorum (Nordst.)
* * Cosmarium askenasyi (Schm.)
* * Cosmarium askenasyi var. askenasyi (Schm.)
* * Cosmarium askenasyi var. americana (Carter)
* * Cosmarium asphaerosporum (Nordstedt)
* * Cosmarium asphaerosporum var. asphaerosporum (Nordstedt)
* * Cosmarium asphaerosporum var. strigosum (Nordstedt)
* * Cosmarium auriculatum (Reinsch)
* * Cosmarium balteum (West and West)
* * Cosmarium binum (Nordstedt)
* * Cosmarium bioculatum (Brebisson)
* * Cosmarium blytti (Wille)
* * Cosmarium blytti var. blytti (Wille)
* * Cosmarium blytti var. novaesylvae (West and West)
* * Cosmarium boeckii (Wille)
* * Cosmarium brebissoni (Menegh.)
* * Cosmarium caelatum (Ralfs)
* * Cosmarium capitulum (Roy and Biss.)
* * Cosmarium circulare (Reinsch)
* * Cosmarium circulare var. circulare (Reinsch)
* * Cosmarium circulare var. majus (Hansg.)
* * Cosmarium commissurale (Brebisson)
* * Cosmarium commissurale var. commossurale (Nordstedt)
* * Cosmarium commissurale var. crassum (Nordstedt)
* * Cosmarium connatum (Brebisson)
* * Cosmarium conspersum (Ralfs)
* * Cosmarium conspersum var. conspersum (Ralfs)
* * Cosmarium conspersum var. latum ((Brebisson) West and West)
* * Cosmarium contractum (Kirchner)
* * Cosmarium contractum var. contractum (Kirchner)
* * Cosmarium contractum var. ellipsoideum ((Elfv.) West and West)
* * Cosmarium contractum var. papillatum (G. M. Smith)
* * Cosmarium contractum var. incrassatum (Scott and Prescott)
* * Cosmarium costatum (Nordst.)
* * Cosmarium crenatum (Ralfs)
* * Cosmarium crenatum var. crenatum (Ralfs)
* * Cosmarium crenatum var. bicrenatum (Nordst.)
* * Cosmarium crenatum var. boldtiana ((Gutw.) West and West)
* * Cosmarium cucumis (Corda Ex Ralfs)
* * Cosmarium cyclicum (Lund.)
* * Cosmarium cyclicum var. cyclicum (Lund.)
* * Cosmarium cyclicum var. nordstedtianum ((Reinsch) West and West)
* * Cosmarium cylindricum (Ralfs)
* * Cosmarium debaryi (Archer)
* * Cosmarium dentatum (Wolle)
* * Cosmarium dentiferum (Corda)
* * Cosmarium depressum ((Naeg.) Lund.)
* * Cosmarium depressum var. depressum ((Naeg.) Lund.)
* * Cosmarium depressum var. achondrum ((Boldt) W. West and G. S. West)
* * Cosmarium depressum var. planctonicum (Reverd.)
* * Cosmarium depressum var. sublaeve (Lutkemuller)
* * Cosmarium difficile (Lutkemuller)
* * Cosmarium difficile var. difficile (Lutkemuller)
* * Cosmarium difficile var. rotundum (Scott and Gronblad)
* * Cosmarium elegantissimum (Lund)
* * Cosmarium elegantissimum var. elegantissimum (Lund)
* * Cosmarium elegantissimum var. minor (Turpin)
* * Cosmarium elegantissimum var. attenuatum (Bicudo)
* * Cosmarium elegantissimum var. simplicus ((Lund.) W. West and G. S. West)
* * Cosmarium eloiseanum (Wolle)
* * Cosmarium entochondrum (West and West)
* * Cosmarium exiguum (Archer)
* * Cosmarium formosulum (Hoff.)
* * Cosmarium formosulum var. formosulum (Hoff.)
* * Cosmarium formosulum var. nathorstii ((Boldt.) West and West)
* * Cosmarium furcatospermum (West and West)
* * Cosmarium galeritum (Nordstedt)
* * Cosmarium globosum (Bulnh.)
* * Cosmarium globosum var. globosum (Bulnh.)
* * Cosmarium globosum var. boldtii (Krieg. and Gerl.)
* * Cosmarium granatum (Brebisson)
* * Cosmarium granatum var. granatum (Brebisson)
* * Cosmarium granatum var. elongatum (Nordstedt)
* * Cosmarium granatum var. subgranatum (Nordstedt)
* * Cosmarium granulatum (Turpin)
* * Cosmarium hammeri (Reinsch)
* * Cosmarium hammeri var. hammeri (Reinsch)
* * Cosmarium hammeri var. homalodermum ((Nordstedt) West and West)
* * Cosmarium hammeri var. protuberans (West and West)
* * Cosmarium holmiense (Lundell)
* * Cosmarium holmiense var. holmiense (Lundell)
* * Cosmarium holmiense var. integrum (Lundell)
* * Cosmarium humile ((Gay) Nordstedt)
* * Cosmarium humile var. humile ((Gay) Nordstedt)
* * Cosmarium humile var. striatum ((Boldt) Schm.)
* * Cosmarium impressulum (Elfving)
* * Cosmarium impressulum var. impressulum (Elfving)
* * Cosmarium impressulum var. crenulatum ((Naeg.) Krieg. and Gerl.)
* * Cosmarium inconspicuum (West and West)
* * Cosmarium isthmium (Turpin)
* * Cosmarium kjellmani (Wille)
* * Cosmarium kjellmani var. kjellmani (Wille)
* * Cosmarium kjellmani var. grande (Wille)
* * Cosmarium laeve (Rabenhorst)
* * Cosmarium laeve var. laeve (Rabenhorst)
* * Cosmarium laeve var. westii (Krieg. and Gerl.)
* * Cosmarium laeve var. rodundatum (Messikommer)
* * Cosmarium laeve var. octangularis ((Wille) W. and G. S. West)
* * Cosmarium laeve var. distentum (G. S. West)
* * Cosmarium lundellii (Delp.)
* * Cosmarium lundellii var. lundellii (Delp.)
* * Cosmarium lundellii var. ellipticum (West and West)
* * Cosmarium margaritatum ((Lund) Roy and Bisset)
* * Cosmarium margaritiferum (Menegh.)
* * Cosmarium meneghinii (Brebisson)
* * Cosmarium meneghinii var. meneghinii (Brebisson)
* * Cosmarium meneghinii var. latiuscula (Jacobs)
* * Cosmarium microsphinctum (Nordstedt)
* * Cosmarium minimum (West and West)
* * Cosmarium modestum (West and West)
* * Cosmarium moniliforme ((Turpin) Ralfs)
* * Cosmarium moniliforme var. moniliforme ((Turpin) Ralfs)
* * Cosmarium moniliforme var. subpyriforme (W. and G. S. West)
* * Cosmarium monochrondrum (Nordst.)
* * Cosmarium monochrondrum var. monochrondrum (Nordst.)
* * Cosmarium monochrondrum var. rotundatum (Krieg. and Gerl.)
* * Cosmarium nasutum (Nordst.)
* * Cosmarium nasutum var. nasutum (Nordst.)
* * Cosmarium nasutum var. granulatum (Nordst.)
* * Cosmarium nitidulum (De Not)
* * Cosmarium nitidulum var. nitidulum (De Not)
* * Cosmarium nitidulum var. pseudovalidum (Taft)
* * Cosmarium norimbergense (Reinsch)
* * Cosmarium notabile (De Bary)
* * Cosmarium novaesemliae (Wille)
* * Cosmarium novaesemliae var. novaesemliae (Wille)
* * Cosmarium novaesemliae var. sibiricum (Boldt.)
* * Cosmarium obliquum (Nordst.)
* * Cosmarium obsoletum ((Hantz.) Reinsch)
* * Cosmarium obtusatum (Schidle)
* * Cosmarium ochthodes (Nordstedt)
* * Cosmarium ochthodes var. ochthodes (Nordstedt)
* * Cosmarium ochthodes var. amoebum (Turpin)
* * Cosmarium orbiculatum (Ralfs)
* * Cosmarium orbiculatum var. orbiculatum (Ralfs)
* * Cosmarium orbiculatum var. major (West and West)
* * Cosmarium ornatum (Ralfs)
* * Cosmarium orthostichum (Lundell)
* * Cosmarium orthostichum var. orthostichum (Lundell)
* * Cosmarium orthostichum var. pumilum (Lundell)
* * Cosmarium ovale (Ralfs)
* * Cosmarium ovale var. ovale (Ralfs)
* * Cosmarium ovale var. prescottii (Irenee-marie)
* * Cosmarium pachydermum (Lundell)
* * Cosmarium pachydermum var. pachydermum (Lundell)
* * Cosmarium pachydermum var. aethiopicum (West and West)
* * Cosmarium pachydermum var. minus (Nordstedt)
* * Cosmarium pachydermum var. complanatum (Scott and Gronblad)
* * Cosmarium perforatum (Lundell)
* * Cosmarium pericymatium (Nordstedt)
* * Cosmarium pokornyanum ((Grunow) Werst and West)
* * Cosmarium portianum (Archer)
* * Cosmarium portianum var. portianum (Archer)
* * Cosmarium portianum var. nephroideum (Wittrock)
* * Cosmarium praegrande (Lundell)
* * Cosmarium protractum ((Naeg.) De Bary)
* * Cosmarium pseudamoenum (Wille)
* * Cosmarium pseudamoenum var. pseudamoenum (Wille)
* * Cosmarium pseudamoenum var. basilare (Nordstedt)
* * Cosmarium pseudarctoum (Nordstedt)
* * Cosmarium pseudatlantoideum (Turpin)
* * Cosmarium pseudobroomei (Wolle)
* * Cosmarium pseudoconnatum (Nordstedt)
* * Cosmarium pseudoconnatum var. pseudoconnatum (Nordstedt)
* * Cosmarium pseudoconnatum var. major (Wille)
* * Cosmarium pseudoexiguum (Racib.)
* * Cosmarium pseudoholmii (Borge)
* * Cosmarium pseudonitidulum (Nordstedt)
* * Cosmarium pseudonitidulum var. pseudonitidulum (Nordstedt)
* * Cosmarium pseudonitidulum var. validum (West and West)
* * Cosmarium pseudoprotuberans (Kirchn.)
* * Cosmarium pseudopyramidatum (Lund.)
* * Cosmarium pseudopyramidatum var. pseudopyramidatum (Lund.)
* * Cosmarium pseudopyramidatum var. stenonotum (Nordst.)
* * Cosmarium pseudotaxichondrum (Nordst.)
* * Cosmarium pseudotaxichondrum var. pseudotaxichondrum (Nordst.)
* * Cosmarium pseudotaxichondrum var. floridense (West and West)
* * Cosmarium pseudotaxichondrum var. foggii (Taylor)
* * Cosmarium punctulatum (Brebisson)
* * Cosmarium punctulatum var. punctulatum (Brebisson)
* * Cosmarium punctulatum var. subpunctulatum ((Nordstedt) Borges)
* * Cosmarium pusillum ((Brebisson) Archer)
* * Cosmarium pygmaeum (Archer)
* * Cosmarium pyramidatum (Brebisson)
* * Cosmarium pyramidatum var. pyramidatum (Brebisson)
* * Cosmarium pyramidatum var. canadense (Bourrelly)
* * Cosmarium pyramidatum var. borgei (Krieger and Gerloff)
* * Cosmarium pyramidatum var. stenonotum ((Nordstedt) Klebs)
* * Cosmarium pyramidatum var. stephani (Irenee-marie)
* * Cosmarium quadratum (Ralfs)
* * Cosmarium quadratulum ((Gay) De Toni)
* * Cosmarium quadrifarium (Lundell)
* * Cosmarium quadrifarium var. quadrifarium (Lundell)
* * Cosmarium quadrifarium var. hexasticha ((Lundell) Nordstedt)
* * Cosmarium quadrifarium var. polysticha (West and West)
* * Cosmarium quadrum (Lundell)
* * Cosmarium quadrum var. quadrum (Lundell)
* * Cosmarium quadrum var. minus (Nordstedt)
* * Cosmarium quinarium (Lundell)
* * Cosmarium radiosum (Wolle)
* * Cosmarium ralfsii (Brebisson)
* * Cosmarium ralfsii var. ralfsii (Brebisson)
* * Cosmarium ralfsii var. montanum (Raciborski)
* * Cosmarium rectangulare (Grunow)
* * Cosmarium rectangulare var. rectangulare (Grunow)
* * Cosmarium rectangulare var. cambrense ((Turner) West and West)
* * Cosmarium rectangulare var. hexagonum ((Elfv.) West and West)
* * Cosmarium regnellii (Wille)
* * Cosmarium regnellii var. regnellii (Wille)
* * Cosmarium regnellii var. catenatum ((Krieger) Krieger and Gerloff)
* * Cosmarium regnellii var. minimum (Ehrenberg)
* * Cosmarium regnesi (Reinsch)
* * Cosmarium reniforme ((Ralfs) Archer)
* * Cosmarium reniforme var. reniforme ((Ralfs) Archer)
* * Cosmarium reniforme var. compressum (Nordst.)
* * Cosmarium reniforme var. seminudum (Taft)
* * Cosmarium sexangulare (Lundell)
* * Cosmarium sexangulare var. sexangulare (Lundell)
* * Cosmarium sexangulare var. minus (Roy and Biss.)
* * Cosmarium sexnotatum (Gutw.)
* * Cosmarium simplicius ((West and West) Groenbl.)
* * Cosmarium speciosum (Lund.)
* * Cosmarium speciosum var. speciosum (Lund.)
* * Cosmarium speciosum var. biforme (Nordstedt)
* * Cosmarium speciosum var. rostafinskii ((Gutw.) West and West)
* * Cosmarium speciosum var. simplex (Nordstedt)
* * Cosmarium sphaeroideum (Turpin)
* * Cosmarium sphagnicolum (West and West)
* * Cosmarium sphagnicolum var. sphagnicolum (West and West)
* * Cosmarium sphagnicolum var. armatum (Krieger and Gerloff)
* * Cosmarium sphalerostichum (Nordstedt)
* * Cosmarium sportella (Brebisson)
* * Cosmarium subarctoum ((Legerh.) Racib.)
* * Cosmarium subaversum (Borge)
* * Cosmarium subbalteum (Schm.)
* * Cosmarium subbalteum var. subbalteum (Schm.)
* * Cosmarium subbalteum var. minor (Carter)
* * Cosmarium subcostatum (Nordstedt)
* * Cosmarium subcostatum var. subcostatum (Nordstedt)
* * Cosmarium subcostatum var. beckii ((Gutw.) West and West)
* * Cosmarium subcostatum var. minor (Turpin)
* * Cosmarium subcrenatum (Hantz.)
* * Cosmarium subcucumis (Schmidle)
* * Cosmarium subdanicum (Turpin)
* * Cosmarium subdrepressum (West and West)
* * Cosmarium subimpressulum (Borge)
* * Cosmarium subprotumidum (Nordstedt)
* * Cosmarium subretusiforme (West and West)
* * Cosmarium subspeciosum (Nordstedt)
* * Cosmarium subspeciosum var. subspeciosum (Nordstedt)
* * Cosmarium subspeciosum var. validius (Nordstedt)
* * Cosmarium subtumidum (Nordstedt)
* * Cosmarium subtumidum var. subtumidum (Nordstedt)
* * Cosmarium subtumidum var. klebsii ((Gutw.) W. and G. S. West)
* * Cosmarium succisum (G. West)
* * Cosmarium supraspeciosum (Wolle)
* * Cosmarium tatricum (Racib.)
* * Cosmarium taxichondriforme (Ehrenberg)
* * Cosmarium taxichondrum (Lund.)
* * Cosmarium tenue (Archer)
* * Cosmarium tetragonum ((Naeg.) Archer)
* * Cosmarium tetragonum var. tetragonum ((Naeg.) Archer)
* * Cosmarium tetragonum var. davidsonii ((Roy and Biss.) West and West)
* * Cosmarium tetraophthalmum (Brebisson)
* * Cosmarium tinctum (Ralfs)
* * Cosmarium trachypleurum (Lund.)
* * Cosmarium trilobulatum (Reinsch)
* * Cosmarium triplicatum (Wolle)
* * Cosmarium truncatellum ((Perty) Rabh.)
* * Cosmarium tumidum (Lund.)
* * Cosmarium turpinii (Brebisson)
* * Cosmarium turpinii var. turpinii (Brebisson)
* * Cosmarium turpinii var. eximium (West and West)
* * Cosmarium turpinii var. podolicum (Gutw.)
* * Cosmarium tyrolicum ((Nordst.) Krieg. and Gerloff)
* * Cosmarium umbilicatum (Luetkem.)
* * Cosmarium undulatum var. minutum (Wittrock)
* * Cosmarium variolatum (Lund.)
* * Cosmarium variolatum var. variolatum (Lund.)
* * Cosmarium variolatum var. cataractarum (Racib.)
* * Cosmarium venustum ((Brebisson) Archer)
* * Cosmarium venustum var. venustum ((Brebisson) Archer)
* * Cosmarium venustum var. excavatum ((Eichl. and Gutw.) West and West)
* * Cosmarium wittrockii (Lund.)
* * Cosmarium abruptum (Lundell)
* * Cosmarium abruptum var. abruptum (Lundell)
* * Cosmarium abruptum var. granulatum (Turpin)
* * Cosmarium clepsydra (Nordstedt)
* * Cosmarium clepsydra var. clepsydra (Nordstedt)
* * Cosmarium clepsydra var. namum ()
* * Cosmarium denticulatum (Borge)
* * Cosmarium denticulatum var. denticulatum (Borge)
* * Cosmarium denticulatum var. ovule (Groenblad)
* * Cosmarium thwaitesii (Ralfs)
* * Cosmarium hornavanense (Ruzicka)
* * Cosmarium hornavanense var. hornavanense (Ruzicka)
* * Cosmarium hornavanense var. dubovianum ((Lutkm.) Ruzicka)
* * Cosmarium nordstedtii (Delfs)
* * Cosmarium panamense (Prescott)
* * Cosmarium pseudophyramidatum (Lundell)
* * Cosmarium pseudophyramidatum var. pseudophyramidatum (Lundell)
* * Cosmarium pseudophyramidatum var. lentiferum (Taylor)
* * Cosmarium ungerianum ((Naegeli) De Bary)
* * Cosmarium angulare (Johnson)
* * Cosmarium angulare var. angulare (Johnson)
* * Cosmarium angulare var. canadense (Irenee-marie)
* * Cosmarium bimmillatum ()
* * Cosmarium bimmillatum var. bimmillatum ()
* * Cosmarium bimmillatum var. evolutum (Bicudo)
* * Cosmarium batrytis (Borg)
* * Cosmarium candianum (Delponte)
* * Cosmarium candianum var. candianum (Delponte)
* * Cosmarium candianum var. latius (Croasdale)
* * Cosmarium decedens ((Reinsch) Raciborski)
* * Cosmarium mamilliferum (Nordst.)
* * Cosmarium marginatatum ()
* * Cosmarium marginatatum var. marginatatum ()
* * Cosmarium marginatatum var. minor ((Boldt) West and West)
* * Cosmarium miedrzyrzecense (Ehrenberg)
* * Cosmarium ocellatum ()
* * Cosmarium ocellatum var. ocellatum ()
* * Cosmarium ocellatum var. incrassatum (West and West)
* * Cosmarium phaseolus (Brebisson In Ralfs)
* * Cosmarium phaseolus var. phaseolus (Brebisson In Ralfs)
* * Cosmarium phaseolus var. achondrum (Boldt)
* * Cosmarium phaseolus var. elevatum (Nordstedt)
* * Cosmarium polonicum (Raciborski)
* * Cosmarium pseudoretusum ()
* * Cosmarium pseudoretusum var. pseudoretusum ()
* * Cosmarium pseudoretusum var. inaequalipellicum ((West and West) Krieger and Gerloff)
* * Cosmarium quadrilobum (Prescott and West)
* * Cosmarium repandum ()
* * Cosmarium scorbiculosum (Borge)
* * Cosmarium seelyanum (Wolle)
* * Cosmarium spinosporum (Lagerh.)
* * Cosmarium spinuliferum ()
* * Cosmarium spinuliferum var. spinuliferum ()
* * Cosmarium spinuliferum var. irregulare (Scott and Gronblad)
* * Cosmarium stichochondrum (Lagerh.)
* * Cosmarium subpulchellum (West and West)
* * Cosmarium transitorium ((Heimerl) Ducellier)
* * Cosmarium vexatum (West)
* * Cosmarium braunii ()
* * Cosmarium braunii var. braunii ()
* * Cosmarium braunii var. major (Riensch)
* * Cosmarium connatus (Kirchner)
* * Cosmarium connatus var. connatus (Kirchner)
* * Cosmarium connatus var. minor (Nordstedt)
* * Cosmarium orbiculum (Ralfs)
* * Cosmarium schleiphackeanum (Grunow)
* * Cosmarium porrectum (Nordst.)
* * Cosmarium logoense ((Nordst.) Nordst.)
* * Cosmarium lobatum (Borgesen)
* * Cosmarium lobatum var. lobatum (Borgesen)
* * Cosmarium lobatum var. ellipticum (Fr. and Rich.)
* * Cosmarium aspherosporum (Nordstedt)
* * Cosmarium aspherosporum var. aspherosporum (Nordstedt)
* * Cosmarium aspherosporum var. montanense (Sieminska)
* * Cosmarium cymatopleurum (West)
* * Cosmarium cymatopleurum var. cymatopleurum (West)
* * Cosmarium cymatopleurum var. concavum (Sieminska)
* * Cosmarium intermedium (Delponte)
* * Cosmarium pulchellum ()
* * Cosmarium margaritaceum ((Lund.) Roy and Bisset)
* * Cosmarium margaritaceum var. margaritaceum (Messikommer)
* * Cosmarium margaritaceum var. minor ((Boldt) West and West)
* * Cosmarium margaritaceum var. pseudoconspersum (Dick)
* * Cosmarium margaritaceum var. subrotundata (West and West)
* * Cosmarium nymannianum (Groenblad)
* * Cosmarium obtusum (Schmidle)
* * Cosmarium plicatum (Reinsch)
* * Cosmarium pseudoornatum (Ehrenberg)
* * Cosmarium quasillus (Lundell)
* * Cosmarium subadoxum (Groenblad)
* * Cosmarium subadoxum var. subadoxum (Groenblad)
* * Cosmarium subadoxum var. dentatum (Sieminska)
* * Cosmarium subochthodes (Schmidle)
* * Cosmarium subnudiceps (W. and G. S. West)
* * Cosmarium subnudiceps var. subnudiceps (W. and G. S. West)
* * Cosmarium subnudiceps var. granulatum (Taft)
* * Cosmarium subnudiceps var. subraciborskii (Taft)
* * Cosmarium geometricum (W. and G. S. West)
* * Cosmarium geometricum var. geometricum (W. and G. S. West)
* * Cosmarium geometricum var. suecicum (Borge)
* * Cosmarium fontigenum (Nordstedt)
* * Cosmarium franzstonii (Taft)
* * Cosmarium eriense (Taft)
* * Cosmarium favum (W. and G. S. West)
* * Cosmarium aphanichondrum (Nordstedt)
* * Cosmarium bipunctatum (Boergesen)
* * Cosmarium bireme (Nordstedt)
* * Cosmarium biretum (De Brebisson)
* * Cosmarium biretum var. biretum (De Brebisson)
* * Cosmarium biretum var. minus ()
* * Cosmarium biretum var. trigibberum ()
* * Cosmarium angulosum var. angulosum (Brebisson)
* * Cosmarium angulosum var. concinnum ((Rabh.) West and West)
* * Cosmarium bioculatum var. bioculatum (Brebisson)
* * Cosmarium bioculatum var. depressum ((Schaarschm.) Schmidle)
* * Cosmarium bioculatum var. excavatum (Gutw.)
* * Cosmarium blytti var. bipunctatum ((Brebisson) West and West)
* * Cosmarium blytti var. hoffii (Borg.)
* * Cosmarium connatum var. connatum (Brebisson)
* * Cosmarium connatum var. minus (Wolle)
* * Cosmarium contractum var. minutum (Scott and Prescott)
* * Cosmarium galeritum var. galeritum (Nordstedt)
* * Cosmarium galeritum var. subtumidum (Borge)
* * Cosmarium granatum var. concavum (Lagerh.)
* * Cosmarium nitidulum var. javanicum (Krieg)
* * Cosmarium anisochondrum (Nordst.)
* * Cosmarium anisochondrum var. anisochondrum (Nordst.)
* * Cosmarium anisochondrum var. geminatum (Messik.)
* * Cosmarium majae (Strom)
* * Cosmarium regnesi var. regnesi (Reinsch)
* * Cosmarium regnesi var. montanum (Schmidle)
* * Cosmarium undulatum var. undulatum (Ralfs, 1848)

### Desmidium
* Desmidium (C. Agardh)
:* Desmidium aequale (West and West)
:* Desmidium aptogonum (Woloszynska)
:* Desmidium aptogonum var. aptogonum ((Ehrenberg) Brebisson)
:* Desmidium aptogonum var. acutius (Nordstedt)
:* Desmidium baileyi ((Ralfs) Nordstedt)
:* Desmidium baileyi var. baileyi ((Ralfs) Nordstedt)
:* Desmidium baileyi var. indicum (Turner)
:* Desmidium coarctatum (Nordstetd)
:* Desmidium coarctatum var. coarctatum (Nordstetd)
:* Desmidium coarctatum var. cambricum (G. West)
:* Desmidium cylindricum (Grev.)
:* Desmidium gracileps ((Nordstetd) Lagerh.)
:* Desmidium longatum (Wolle)
:* Desmidium pseudostreptonema (West and West)
:* Desmidium quadratum (Nordstetd)
:* Desmidium swartzii (Ca. A. Agardh Ex Ralfs)
:* Desmidium gymnozygoforme (Prescott and Scott)
:* Desmidium asymmetricum (Gronbl.)
:* Desmidium grevillii ((Kuetzing) De Bary)
:* Desmidium occidentale (West and West)

### Euastrum
* Euastrum (Ehrenberg)
:* Euastrum ampullaceum (Ralfs)
:* Euastrum abruptum (Nordstedt)
:* Euastrum abruptum var. abruptum (Nordstedt)
:* Euastrum abruptum var. rectangulare (Prescott)
:* Euastrum abruptum var. subglaziovii (Krieger)
:* Euastrum abruptum var. minor (West and West)
:* Euastrum abruptum var. lagoense (West and West)
:* Euastrum affine (Ralfs)
:* Euastrum affine var. affine (Ralfs)
:* Euastrum affine var. equilaterale (Prescott and Scott)
:* Euastrum ansatum (Ehrenberg)
:* Euastrum ansatum var. ansatum (Ehrenberg)
:* Euastrum ansatum var. dideltiforme (Ducell.)
:* Euastrum ansatum var. javanicum ((Gutw.) Krieger)
:* Euastrum ansatum var. lithuanicum ()
:* Euastrum ansatum var. pyxidatum (Delponte)
:* Euastrum ansatum var. concavum (Krieger)
:* Euastrum ansatum var. triporum (Krieger)
:* Euastrum bidentatum (Naegeli)
:* Euastrum bidentatum var. bidentatum (Naegeli)
:* Euastrum bidentatum var. speciosum ((Boldt) Schmidle)
:* Euastrum binale ((Turpin) Ehrenberg)
:* Euastrum binale var. binale ((Turpin) Ehrenberg)
:* Euastrum binale var. hians (Turpin)
:* Euastrum binale var. sectum (Turner)
:* Euastrum binale var. gutwinskii ((Schmidle) Krieger)
:* Euastrum crassangulatum (Borgs.)
:* Euastrum crassicolle (Lundell)
:* Euastrum crassum ((Brebisson) Kuetz.)
:* Euastrum crassum var. crassum ((Brebisson) Kuetz.)
:* Euastrum crassum var. michiganense (Prescott)
:* Euastrum crassum var. scrobiculatum (Lundell)
:* Euastrum crassum var. microcephalum (Krieger)
:* Euastrum crassum var. tumidum ()
:* Euastrum denticulatum ((Kirchn.) Gay)
:* Euastrum denticulatum var. denticulatum ((Kirch.) Gay)
:* Euastrum denticulatum var. dangeardii (Le Porte)
:* Euastrum didelta (Ralfs)
:* Euastrum didelta var. didelta (Ralfs)
:* Euastrum didelta var. everettenseiforme (Ducellier)
:* Euastrum didelta var. truncatum (Krieger)
:* Euastrum divaricatum (Lundell)
:* Euastrum dubium (Naegeli)
:* Euastrum dubium var. dubium (Naegeli)
:* Euastrum dubium var. scorbiculatum (Luetkemueller)
:* Euastrum dubium var. ornatum (Woloszynska)
:* Euastrum elegans ((Brebisson) Kuetz.)
:* Euastrum elegans var. elegans ((Brebisson) Kuetz.)
:* Euastrum elegans var. novaesemliae (Wille)
:* Euastrum elegans var. ornatum (Turpin)
:* Euastrum elegans var. pseudoelegans ((Turner) West and West)
:* Euastrum elegans var. compactum ((Wolle) Krieger)
:* Euastrum elobatum ((Lundell) Roy and Biss.)
:* Euastrum elobatum var. elobatum ((Lundell) Roy and Biss.)
:* Euastrum elobatum var. subelobatum ((W. West) Kossinsk.)
:* Euastrum erosum (Lundell)
:* Euastrum evolutum ((Nordstedt) West and West)
:* Euastrum evolutum var. evolutum ((Nordstedt) West and West)
:* Euastrum evolutum var. guianense ((Racib.) West and West)
:* Euastrum evolutum var. graziovii ((Borges) West and West)
:* Euastrum evolutum var. integris (West and West)
:* Euastrum evolutum var. poriferum (Prescott and Scott)
:* Euastrum gemmatum (Brebisson)
:* Euastrum gemmatum var. gemmatum (Brebisson)
:* Euastrum gemmatum var. alatum (Kossinskaja)
:* Euastrum humerosum (Ralfs)
:* Euastrum humerosum var. humerosum (Ralfs)
:* Euastrum humerosum var. evolutum (Krieger)
:* Euastrum inerme ((Ralfs) Lundell)
:* Euastrum insulare ((Wittr.) Roy)
:* Euastrum insulare var. insulare ((Wittr.) Roy)
:* Euastrum insulare var. lacustre ((Messik.) Krieger)
:* Euastrum insulare var. silesiacum ()
:* Euastrum insulare var. basichondrum (Messikommer)
:* Euastrum intermedium (Cleve)
:* Euastrum intermedium var. intermedium (Cleve)
:* Euastrum intermedium var. longicolle (Borge)
:* Euastrum intermedium var. scrobiculatum (Schmidle)
:* Euastrum montanum (West and West)
:* Euastrum obesum (Josh.)
:* Euastrum oblongum ((Grev.) Ralfs)
:* Euastrum oblongum var. oblongum ((Grev.) Ralfs)
:* Euastrum oblongum var. cephalophorum (Turpin)
:* Euastrum occidentale (West and West)
:* Euastrum pectinatum (Brebisson)
:* Euastrum pectinatum var. pectinatum (Brebisson)
:* Euastrum pectinatum var. inevolutum (West and West)
:* Euastrum pectinatum var. brachylobum (Wittr.)
:* Euastrum pectinatum var. reductum (Taylor)
:* Euastrum pectinatum var. rostratum (Taylor)
:* Euastrum pinnatum (Ralfs)
:* Euastrum pinnatum var. pinnatum (Ralfs)
:* Euastrum pinnatum var. taylori (Krieger)
:* Euastrum pinnatum var. capitatum (Krieger)
:* Euastrum pinnatum var. reductum (Krieger)
:* Euastrum pinnatum var. subpinnatum ((Schmidle) West and West)
:* Euastrum pinnatum var. turbinatum (Jackson)
:* Euastrum pulchellum (Brebisson)
:* Euastrum sinuosum (Lenorm.)
:* Euastrum sinuosum var. sinuosum (Lenorm.)
:* Euastrum sinuosum var. reductum (West and West)
:* Euastrum sinuosum var. dideltoides ()
:* Euastrum sinuosum var. parallelum (Krieger)
:* Euastrum sinuosum var. subjenneri (West and West)
:* Euastrum sinuosum var. ceylanicum (West and West)
:* Euastrum sinuosum var. scrobiculatum (Nordstedt)
:* Euastrum sinuosum var. aboense ((Elfv.) Cedergren)
:* Euastrum sublobatum (Brebisson)
:* Euastrum sublobatum var. sublobatum (Brebisson)
:* Euastrum sublobatum var. kriegeri ()
:* Euastrum trigibberum (West and West)
:* Euastrum turneri (Turpin)
:* Euastrum validum (West and West)
:* Euastrum validum var. validum (West and West)
:* Euastrum validum var. glabrum (Krieger)
:* Euastrum ventricosum (Lundell)
:* Euastrum ventricosum var. ventricosum (Lundell)
:* Euastrum ventricosum var. glabrum (Prescott and Scott)
:* Euastrum ventricosum var. rectangulare (Prescott and Scott)
:* Euastrum ventricosum var. sopchoppiense (Scott and Prescott)
:* Euastrum verrucosum (Ehrenberg)
:* Euastrum verrucosum var. verrucosum (Ehrenberg)
:* Euastrum verrucosum var. alatum (Wolle)
:* Euastrum verrucosum var. coarctatum (Delp.)
:* Euastrum verrucosum var. planctonicum (West and West)
:* Euastrum verrucosum var. reductum (Nordstedt)
:* Euastrum verrucosum var. schoenavii (Kaiser)
:* Euastrum verrucosum var. rhomboideum ()
:* Euastrum verrucosum var. subalatum (Huber-pestalozzi)
:* Euastrum attenuatum ()
:* Euastrum attenuatum var. attenuatum ()
:* Euastrum attenuatum var. lithuanicum ()
:* Euastrum attenuatum var. puchellum ((Prescott and Scott) Bourrelly)
:* Euastrum attenuatum var. splendns ((Fritsch and Rich) Groenblat)
:* Euastrum incavatum ()
:* Euastrum incavatum var. incavatum ()
:* Euastrum incavatum var. floridense (Scott and Gronblad)
:* Euastrum insigne ()
:* Euastrum insigne var. insigne ()
:* Euastrum insigne var. lobulatum (Prescott and Scott)
:* Euastrum insigne var. lacustre ((Messik) Krieger)
:* Euastrum insigne var. silesiacum ()
:* Euastrum johnsonii ()
:* Euastrum johnsonii var. johnsonii ()
:* Euastrum johnsonii var. nudum (Prescott)
:* Euastrum oculatum ()
:* Euastrum oculatum var. oculatum ()
:* Euastrum oculatum var. tonsum (West and West)
:* Euastrum quadrilobum (Scott and Gronblad)
:* Euastrum sibiricum ()
:* Euastrum sibiricum var. sibiricum ()
:* Euastrum sibiricum var. exsectum ((Gronblad) Krieger)
:* Euastrum sibiricum var. reductum (Prescott and Scott)
:* Euastrum spinulosum (Delponte)
:* Euastrum subhexalobum (West and West)
:* Euastrum subhexalobum var. subhexalobum (West and West)
:* Euastrum subhexalobum var. scrobiculatum (Gronblad)
:* Euastrum wollei (Lagerh.)
:* Euastrum wollei var. wollei (Lagerh.)
:* Euastrum wollei var. pearlingtonense (Prescott and Scott)
:* Euastrum wollei var. cuspidatum (Wolle)
:* Euastrum unicocca (Sm.)
:* Euastrum ciastonii (Raciborski)
:* Euastrum ciastonii var. ciastonii (Raciborski)
:* Euastrum ciastonii var. apertisinuatum (Scott and Prescott)
:* Euastrum lapponicum (Schmidle)
:* Euastrum magnificum (Wolle)
:* Euastrum monotanum ()
:* Euastrum lutkemulleri (Ducellier)
:* Euastrum rostratum (Ralfs)
:* Euastrum obeseum (Prescott and Scott)
:* Euastrum obeseum var. obeseum (Prescott and Scott)
:* Euastrum obeseum var. crassum (Prescott and Scott)
:* Euastrum everettense (Wolle)
:* Euastrum everettense var. everettense (Prescott and Scott)
:* Euastrum gayanum (De Toni)
:* Euastrum prescottii (Jackson)
:* Euastrum luetkemuelleri (Ducellier)
:* Euastrum luetkemuelleri var. luetkemuelleri (Ducellier)
:* Euastrum luetkemuelleri var. carniolicum ((Luetkem.) Krieger)
:* Euastrum quebecense (Irenee-marie)
:* Euastrum ohioense (Taft)

### Groenbladia
* Groenbladia (E. Teiling, 1952)
* Groenbladia taylori (E. Teiling, 1952)
* Groenbladia neglecta ((Raciborski) Teiling)
* Groenbladia neglecta var. neglecta ((Raciborski) Teiling)
* Groenbladia neglecta var. elongata (Scott and Gronblad)

### Hyalotheca
* Hyalotheca (Ehrenberg)
* Hyalotheca mucosa ((Dillw.) Ehrenberg)
* Hyalotheca dissiliens ((Smith) Brebisson)
* Hyalotheca dissiliens var. dissiliens ((Smith) Brebisson)
* Hyalotheca dissiliens var. hians (Wolle)
* Hyalotheca dissiliens var. tatrica (Racib.)
* Hyalotheca dissiliens var. minor (Delponte)
* Hyalotheca undulata (Nordstetd)
* Hyalotheca dubia ()
* Hyalotheca neglecta (Racib.)
* Hyalotheca indica (Turner)
* Hyalotheca laevicincta (Taylor)

### Micrasterias
* Micrasterias (C. A. Agardh Ex Ralfs, 1848)
* * Micrasterias americana ((Ehrenberg) Ralfs)
* * Micrasterias americana var. americana ((Ehrenberg) Ralfs)
* * Micrasterias americana var. boldtii (Gutw. Ralfs)
* * Micrasterias decemdentata ()
* * Micrasterias denticulata (Brebisson)
* * Micrasterias denticulata var. denticulata (Brebisson)
* * Micrasterias denticulata var. angulosa ((Hantz.) West and West)
* * Micrasterias denticulata var. taylori (Krieger)
* * Micrasterias fimbriata (Ralfs)
* * Micrasterias fimbriata var. fimbriata (Ralfs)
* * Micrasterias fimbriata var. spinosa (Bisset)
* * Micrasterias radiata (Hass.)
* * Micrasterias radiata var. radiata (Hass.)
* * Micrasterias radiata var. gracillima (G. M. Smith)
* * Micrasterias radiata var. simplex (Wolle)
* * Micrasterias radiata var. dichotoma ((Wolle) Cushman)
* * Micrasterias radiata var. elegantior ((G. S. West) Croasdale)
* * Micrasterias radiata var. swainei ((Hast.) West and West)
* * Micrasterias rotata ((Greville) Ralfs)
* * Micrasterias rotata var. rotata ((Greville) Ralfs)
* * Micrasterias rotata var. evoluta (Turner)
* * Micrasterias rotata var. nuda (Wolle)
* * Micrasterias sol ((Ehrenberg) Kuetzing)
* * Micrasterias sol var. sol ((Ehrenberg) Kuetzing)
* * Micrasterias sol var. ornata (Nordst.)
* * Micrasterias sol var. murrayi ((W. West and G. S. West) Allorge)
* * Micrasterias thomasiana (Archer)
* * Micrasterias thomasiana var. thomasiana (Archer)
* * Micrasterias thomasiana var. notata ((Nordst.) Groenbl.)
* * Micrasterias thomasiana var. pulcherrima (G. S. West)
* * Micrasterias abrupta (West and West)
* * Micrasterias apiculata ((Ehrenberg) Menegh.)
* * Micrasterias apiculata var. apiculata ((Ehrenberg) Menegh.)
* * Micrasterias apiculata var. fimbriata ((Ralfs) Nordst.)
* * Micrasterias conferta (Lundell)
* * Micrasterias conferta var. conferta (Lundell)
* * Micrasterias conferta var. hamata (Wolle)
* * Micrasterias cruxmelitensis ((Ehrenberg) Hass.)
* * Micrasterias cruxmelitensis var. cruxmelitensis ((Ehrenberg) Hass.)
* * Micrasterias cruxmelitensis var. simplex (Borge)
* * Micrasterias depauperata (Nordst.)
* * Micrasterias depauperata var. depauperata (Nordst.)
* * Micrasterias depauperata var. kitchelii ((Wolle) West and West)
* * Micrasterias depauperata var. wollei (Cushman)
* * Micrasterias laticeps (Nordst.)
* * Micrasterias laticeps var. laticeps (Nordst.)
* * Micrasterias laticeps var. crassa (Prescott)
* * Micrasterias mahabuleshwarensis (Hobson)
* * Micrasterias mahabuleshwarensis var. mahabuleshwarensis (Hobson)
* * Micrasterias mahabuleshwarensis var. serrulata ((Wolle) G. Smith)
* * Micrasterias mahabuleshwarensis var. rigens ((Bailey) Krieger)
* * Micrasterias mahabuleshwarensis var. dichotoma (G. M. Smithieger)
* * Micrasterias muricata ((Bail.) Ralfs)
* * Micrasterias oscitans (Ralfs)
* * Micrasterias oscitans var. oscitans (Ralfs)
* * Micrasterias oscitans var. mucronata ((Dixon) Wille)
* * Micrasterias papillifera (Brebisson)
* * Micrasterias papillifera var. papillifera (Brebisson)
* * Micrasterias papillifera var. glabra ((Nordst.) Dick.)
* * Micrasterias papillifera var. murrayi ((West and West) Kossinsk.)
* * Micrasterias papillifera var. speciosa ((Wolle) Krieger)
* * Micrasterias pinnatifida ((Kuetzing) Ralfs)
* * Micrasterias pinnatifida var. pinnatifida ((Kuetzing) Ralfs)
* * Micrasterias pinnatifida var. pseudoscitans (Groenblad)
* * Micrasterias truncata ((Brebisson) West and West)
* * Micrasterias truncata var. truncata ((Brebisson) West and West)
* * Micrasterias truncata var. crenata ((Brebisson) Reinsch)
* * Micrasterias truncata var. quadrata (Bulnh Reinsch)
* * Micrasterias truncata var. semiradiata ((Nageli) Cleveeinsch)
* * Micrasterias truncata var. pusilla (G. S. West Reinsch)
* * Micrasterias truncata var. convexa (Prescott)
* * Micrasterias truncata var. mauriciana (Irenee-marie)
* * Micrasterias truncata var. neodamensis ((Braun) Dick)
* * Micrasterias truncata var. uralensis (Krieger)
* * Micrasterias radiosa (Ralfs)
* * Micrasterias radiosa var. radiosa (Ralfs)
* * Micrasterias radiosa var. extensa (Prescott and Scott)
* * Micrasterias radiosa var. ornata ()
* * Micrasterias foliacea (Bailey)
* * Micrasterias foliacea var. foliacea (Bailey)
* * Micrasterias foliacea var. ornata (Nordstedt)
* * Micrasterias furcata ((Agardh) Ralfs)
* * Micrasterias johnsonii (Turpin)
* * Micrasterias johnsonii var. johnsonii (Turpin)
* * Micrasterias johnsonii var. ranoides ((Salisb.) Krieger)
* * Micrasterias pseudofurcata (Wolle)
* * Micrasterias pseudofurcata var. pseudofurcata (Wolle)
* * Micrasterias pseudofurcata var. minor (Wolle)
* * Micrasterias arcuata ((Bailey) Nordst.)
* * Micrasterias arcuata var. arcuata ((Bailey) Nordst.)
* * Micrasterias arcuata var. robusta (Borge)
* * Micrasterias jenneri (Ralfs)
* * Micrasterias jenneri var. jenneri (Ralfs)
* * Micrasterias jenneri var. simplex (West)
* * Micrasterias piquata (Salisbury)
* * Micrasterias tetraptera (West and West)
* * Micrasterias tetraptera var. tetraptera (West and West)
* * Micrasterias tetraptera var. angulosa ()
* * Micrasterias torreyi (Bailey and Ralfs)
* * Micrasterias triangularis (Wolle)
* * Micrasterias verrucosa (Bisset In Roy and Bisset)
* * Micrasterias brachyptera (Lundell)
* * Micrasterias radians (Turner)
* * Micrasterias pygmaeum ((Brebisson) West and West)
* * Micrasterias pygmaeum var. pygmaeum ((Brebisson) West and West)
* * Micrasterias pygmaeum var. monile ((Turner) West and West)

### Penium
* Penium (Brebisson Ex Ralfs. 1848)
:* Penium cylindrus ((Ehrenberg) Brebisson)
:* Penium cylindrus var. cylindrus ((Ehrenberg) Brebisson)
:* Penium cylindrus var. subtruncatum (Schmidle)
:* Penium exiguum ()
:* Penium libellula ()
:* Penium spinospermum ()
:* Penium spirostriolatum (Barker)
:* Penium margaritaceum ((Ehrenberg) Brebisson)
:* Penium margaritaceum var. margaritaceum ((Ehrenberg) Brebisson)
:* Penium margaritaceum var. elongatum (Klebs)
:* Penium minutum ()
:* Penium didymocarpum (Lundell)
:* Penium polymorphum (Perty)
:* Penium phymatosporum (Nordst.)
:* Penium spinulosum ((Wolle) Gerrath)
:* Penium silvaenigrae (Rabanus)
:* Penium silvaenigrae var. silvaenigrae (Rabanus)
:* Penium silvaenigrae var. parallelum (Krieger)
:* Penium oblongum (De Bary)
:* Penium rupestre (Kuetzing)
:* Penium costatum (Hodgetts)

### Pleurotaenium
* Pleurotaenium (Naegeli, 1849)
* Pleurotaenium trabecula ((Ehrenberg) Naegeli)
* Pleurotaenium trabecula var. trabecula ((Ehrenberg) Naegeli)
* Pleurotaenium trabecula var. crassum (Wittr.)
* Pleurotaenium trabecula var. elongatum (Cedergren)
* Pleurotaenium trabecula var. rectum ((Brebisson) West and West)
* Pleurotaenium trabecula var. maxima ((Reinsch) Roll.)
* Pleurotaenium trabecula var. truncatum ((Brebisson) Naegeli)
* Pleurotaenium ehrenbergii ((Brebisson) De Bary)
* Pleurotaenium ehrenbergii var. ehrenbergii ((Brebisson) De Bary)
* Pleurotaenium ehrenbergii var. attenuatum (Krieger)
* Pleurotaenium ehrenbergii var. undulatum (Schaarschmidt)
* Pleurotaenium gloriosum ()
* Pleurotaenium maximum ((Reinsch) Lundell)
* Pleurotaenium minutum ((Ralfs) Delp)
* Pleurotaenium minutum var. minutum ((Ralfs) Delp)
* Pleurotaenium minutum var. excavatum (Scott and Groenblad)
* Pleurotaenium minutum var. elongatum ((West and West) Cedergren)
* Pleurotaenium minutum var. gracile ((Wille) Krieger)
* Pleurotaenium nodosum ((Bailey) Lundell)
* Pleurotaenium nodosum var. nodosum ((Bailey) Lundell)
* Pleurotaenium nodosum var. borgei (Groenblad)
* Pleurotaenium subcoronulatum (Turner)
* Pleurotaenium subcoronulatum var. subcoronulatum (Turner)
* Pleurotaenium subcoronulatum var. dentum (West and West)
* Pleurotaenium tridentulum ()
* Pleurotaenium trochiscum (West and West)
* Pleurotaenium coronatum ((Brebisson) Rabenhorst)
* Pleurotaenium constrictum ((Bailey) Wood)
* Pleurotaenium baculoides ((Roy and Biss) Playfair)
* Pleurotaenium eugeneum ((Turner) West and West)
* Pleurotaenium eugeneum var. eugeneum ((Turner) West and West)
* Pleurotaenium eugeneum var. capense (Hodgetts)
* Pleurotaenium inconspicuum (West)
* Pleurotaenium indicum ((Grunow) Lundell)
* Pleurotaenium nodolosum ((Brebisson) Debary)

### Phymatodocis
* Phymatodocis (Nordstedt, 1877)
* Phymatodocis alternans ()
* Phymatodocis nordstedtiana ()

### Sphaerozosma
* Sphaerozosma (Corda Ex Ralfs, 1848)
:* Sphaerozosma laeve ((Nordst.) Thom.)
:* Sphaerozosma laeve var. laeve ((Nordst.) Thom.)
:* Sphaerozosma laeve var. latum ((W. West) Tiel.)
:* Sphaerozosma filiformis ((Ehrenberg) Bourrelly)
:* Sphaerozosma vertebratum ((Brebisson) Ralfs)
:* Sphaerozosma vertebratum var. vertebratum ((Brebisson) Ralfs)
:* Sphaerozosma vertebratum var. minor (Turpin)
:* Sphaerozosma wallichii (Jacobs)
:* Sphaerozosma aubertianum (Turpin)
:* Sphaerozosma aubertianum var. aubertianum (Turpin)
:* Sphaerozosma aubertianum var. archeri ((Gutw.) West and West)
:* Sphaerozosma exiguum (Turner)
:* Sphaerozosma punctulatum (West and West)
:* Sphaerozosma granulatum (Roy and Bissett)

### Spinoclosterium
* Spinoclosterium (C. Bernard, 1909)
* Spinoclosterium curvatum (C. Bernard, 1909)
* Spinoclosterium cuspidatum ((Bailey) Hirano)

### Spinocosmarium
* Spinocosmarium (Prescott and Scott, 1942)
* Spinocosmarium quadridens ((Wood) Prescott)

### Spondylosium
* Spondylosium (Brebisson Ex Ralfs, 1848)
:* Spondylosium maniliforme (Gronblad)
:* Spondylosium maniliforme var. maniliforme (Gronblad)
:* Spondylosium maniliforme var. reniforme (Gronblad)
:* Spondylosium planum ((Wolle) West and West)
:* Spondylosium pulchrum ((Bailey) Archer)
:* Spondylosium pygmaeum ((Brebisson) West and West)
:* Spondylosium luetkemulleri (Groen.)
:* Spondylosium nitens ((Wall.) Archer)
:* Spondylosium nitens var. nitens ((Wall.) Archer)
:* Spondylosium nitens var. triangulare (Turner)
:* Spondylosium papillosum (West and West)
:* Spondylosium puchellum (Archer)
:* Spondylosium granulatum (Roy and Bisset)
:* Spondylosium rectangulare ((Wolle) West and West)

### Staurodesmus
* Staurodesmus (Teiling, 1948)
* * Staurodesmus aristiferus ((Ralfs) Thom.)
* * Staurodesmus aristiferus var. aristiferus ((Ralfs) Thom.)
* * Staurodesmus aristiferus var. protuberans ((West and West) Teil.)
* * Staurodesmus aversus ((Lundell) Lillier)
* * Staurodesmus clepsydra ((Nordstedt) Teiling)
* * Staurodesmus connatus ((Lundell) Thom.)
* * Staurodesmus connatus var. connatus ((Lundell) Thom.)
* * Staurodesmus connatus var. validus (Turpin)
* * Staurodesmus convergens ((Ehrenberg) Teil.)
* * Staurodesmus convergens var. wollei (Irenee-marie)
* * Staurodesmus corniculatum ((Lundell) Teil.)
* * Staurastrum corniculatum (Lundell)
* * Staurodesmus crassus ((West and West) Florin)
* * Staurodesmus cuspidatus ((Brebisson) Teil.)
* * Staurodesmus cuspidatus var. cuspidatus ((Brebisson) Teil.)
* * Staurodesmus cuspidatus var. curvatum ((W. West) Tiel.)
* * Staurodesmus dejectus ((Brebisson) Teil.)
* * Staurodesmus dejectus var. dejectus ((Brebisson) Teil.)
* * Staurodesmus dejectus var. apiculatum ((Brebisson) Teil.)
* * Staurodesmus extensus ((Borge) Teil.)
* * Staurodesmus extensus var. extensus ((Borge) Teil.)
* * Staurodesmus extensus var. joshuae ((Gutw.) Teil.)
* * Staurodesmus glaber ((Ehrenberg) Teil.)
* * Staurodesmus glaber var. glaber ((Ehrenberg) Teil.)
* * Staurodesmus glaber var. ralfsii ((West and West) Teil.)
* * Staurodesmus grandis ((Brebisson) West and West)
* * Staurodesmus incus ((Brebisson) Teil.)
* * Staurodesmus incus var. incus ((Brebisson) Teil.)
* * Staurodesmus incus var. minor ((Brebisson) Hassall)
* * Staurodesmus incus var. ralfsii ((West and West) Teil.)
* * Staurodesmus indentatus ((West and West) Teiling)
* * Staurodesmus insignis ((Lundell) Teil)
* * Staurodesmus jaculiferus ((W. West) Teil.)
* * Staurodesmus lanceolatus ((Archer) Croasd.)
* * Staurodesmus mamillatus ((Nordst.) Teil.)
* * Staurodesmus megacanthus ((Lundell) Thunm.)
* * Staurodesmus megacanthus var. megacanthus ((Lundell) Thunm.)
* * Staurodesmus megacanthus var. scotius ((West and West) Lill.)
* * Staurodesmus mucronatus ((Ralfs) Croasd.)
* * Staurodesmus mucronatus var. mucronatus ((Ralfs) Croasd.)
* * Staurodesmus mucronatus var. subtriangularis ((West and West) Croasd.)
* * Staurodesmus omearii ((Archer) Teil.)
* * Staurodesmus pachyrhynchus ((Nordst.) Teil.)
* * Staurodesmus phimus ((Turner) Thom.)
* * Staurodesmus subpygmaeus ((W. West) Croasd.)
* * Staurodesmus subtriangularis ((Borge) Teil.)
* * Staurodesmus subulatus ((Kuetzing) Croasd.)
* * Staurodesmus subulatus var. subulatus ((Kuetzing) Croasd.)
* * Staurodesmus subulatus var. nordstedtii ((G. M. Smith) Teil.)
* * Staurodesmus triangularis ((Lagerheim) Teiling)
* * Staurodesmus triangularis var. triangularis ((Lagerheim) Teiling)
* * Staurodesmus triangularis var. rotundatus (Turpin)
* * Staurodesmus triangularis var. subparrallelus ((G. M. Smith) Teiling)
* * Staurodesmus constrictus ((G. M. Smith) Teiling)
* * Staurodesmus majusculus ((Wolle) Bourrelly)
* * Staurodesmus sellatus ()
* * Staurodesmus subvalidus ((Groenblad) Bourrelly)

### Staurastrum
* Staurastrum (Meyen Ex J. Ralfs, 1848)
* * Staurastrum connatum (Roy and Biss.)
* * Staurastrum apiculatum (Brebisson)
* * Staurastrum avicula (Brebisson)
* * Staurastrum chaetoceros ((Schroed.) Smith)
* * Staurastrum chaetoceros var. chaetoceros ((Schroed.) Smith)
* * Staurastrum chaetoceros var. triradiata (Jackson)
* * Staurastrum gracile (Ralfs)
* * Staurastrum gracile var. gracile (Ralfs)
* * Staurastrum gracile var. coronulatum (Boldt)
* * Staurastrum gracile var. nanum (Wille)
* * Staurastrum gracile var. elongatum (West and West)
* * Staurastrum arachne (Ralfs)
* * Staurastrum arachne var. arachne (Ralfs)
* * Staurastrum arachne var. arachnoides (Turpin)
* * Staurastrum arachne var. curvatum (Turpin)
* * Staurastrum arctiscon ((Ehrenberg) Lund.)
* * Staurastrum arctiscon var. arctiscon ((Ehrenberg) Lund.)
* * Staurastrum arctiscon var. glabrum (Turpin)
* * Staurastrum arctiscon var. truncatum (Irenee-marie)
* * Staurastrum aspinosum ()
* * Staurastrum aspinosum var. aspinosum ()
* * Staurastrum aspinosum var. verrucosum (G. M. Smith)
* * Staurastrum bieneanum (Rabh.)
* * Staurastrum bieneanum var. bieneanum (Rabh.)
* * Staurastrum bieneanum var. ellipticum (Wille)
* * Staurastrum botrophilum (Wolle)
* * Staurastrum brachiatum (Ralfs)
* * Staurastrum brasiliense (Nordst.)
* * Staurastrum brasiliense var. brasiliense (Nordst.)
* * Staurastrum brasiliense var. lundellii (West and West)
* * Staurastrum breviaculeatum ()
* * Staurastrum capitulum ()
* * Staurastrum cerastes (Lundell)
* * Staurastrum cerastes var. cerastes (Lundell)
* * Staurastrum cerastes var. triradiatum (G. M. Smith)
* * Staurastrum chaetoceras ((Shrod.) G. M. Smith)
* * Staurastrum cingulum ((W. West and G. S. West) G. M. Smith)
* * Staurastrum cingulum var. cingulum ((W. West and G. S. West) G. M. Smith)
* * Staurastrum cingulum var. obesum (G. M. Smith)
* * Staurastrum cingulum var. tortum (G. M. Smith)
* * Staurastrum comptum ()
* * Staurastrum cyrtocerum (Brebisson)
* * Staurastrum dejectum (Brebisson)
* * Staurastrum dejectum var. dejectum (Brebisson)
* * Staurastrum dejectum var. tellami (Turpin)
* * Staurastrum dejectum var. apiculatum ((Brebisson) Lundell)
* * Staurastrum dejectum var. patens (Nordstedt)
* * Staurastrum dejectum var. robustum ((Messik.) Jackson)
* * Staurastrum dilatatum (Ehrenberg)
* * Staurastrum dilatatum var. dilatatum (Ehrenberg)
* * Staurastrum dilatatum var. fusiforme (Jackson)
* * Staurastrum echinatum ()
* * Staurastrum elongatum (Barker)
* * Staurastrum floriferum ()
* * Staurastrum forticulatum (Lundell)
* * Staurastrum furcigerum (Brebisson)
* * Staurastrum furcigerum var. furcigerum (Brebisson)
* * Staurastrum furcigerum var. armigera ((Brebisson) Nordstedt)
* * Staurastrum furcigerum var. eustephanum ((Ehrenberg) Nordstedt)
* * Staurastrum glabrum ()
* * Staurastrum gladiosum (Turner)
* * Staurastrum gladiosum var. gladiosum (Turner)
* * Staurastrum gladiosum var. ornata (Laport)
* * Staurastrum hexacerum ((Ehrenberg) Wittr.)
* * Staurastrum hexacerum var. hexacerum ((Ehrenberg) Wittr.)
* * Staurastrum hexacerum var. aversum (West and West)
* * Staurastrum hirsutum ((Ehrenberg) Brebisson)
* * Staurastrum leptocladum (Nordstedt)
* * Staurastrum leptocladum var. leptocladum (Nordstedt)
* * Staurastrum leptocladum var. insigne (West and West)
* * Staurastrum leptocladum var. cornutum (Wille)
* * Staurastrum leptocladum var. denticulatum (G. M. Smith)
* * Staurastrum leptocladum var. sinuatum (Wolle)
* * Staurastrum leptocladum var. subinsigne ()
* * Staurastrum limneticum (Schmidle)
* * Staurastrum limneticum var. limneticum (Schmidle)
* * Staurastrum limneticum var. cornutum (G. M. Smith)
* * Staurastrum limneticum var. burmense (Turpin)
* * Staurastrum limneticum var. tetragona (G. M. Smith)
* * Staurastrum manfeldtii (Delp.)
* * Staurastrum manfeldtii var. manfeldtii (Delp.)
* * Staurastrum manfeldtii var. annulatum (West and West)
* * Staurastrum manfeldtii var. fluminense (Schumacher)
* * Staurastrum margaritaceum ((Ehrenberg) Menegh.)
* * Staurastrum margaritaceum var. margaritaceum ((Ehrenberg) Menegh.)
* * Staurastrum margaritaceum var. alpinum (Schm.)
* * Staurastrum margaritaceum var. robustum (West and West)
* * Staurastrum megacanthum (Lundell)
* * Staurastrum meriani (Reinsch)
* * Staurastrum minnesotense (Wolle)
* * Staurastrum minnesotense var. minnesotense (Wolle)
* * Staurastrum minnesotense var. depauperatum (Irenee-marie)
* * Staurastrum monticulosum (Brebisson)
* * Staurastrum muticum (Brebisson)
* * Staurastrum muticum var. muticum (Brebisson)
* * Staurastrum muticum var. minor (Wolle)
* * Staurastrum ophiura (Lundell)
* * Staurastrum ophiura var. ophiura (Lundell)
* * Staurastrum ophiura var. cambricum (West and West)
* * Staurastrum ophiura var. pentacerum (Wolle)
* * Staurastrum ophiura var. tetracerum (Wolle)
* * Staurastrum orbiculare (Ralfs)
* * Staurastrum orbiculare var. orbiculare (Ralfs)
* * Staurastrum orbiculare var. depressum (Roy and Biss.)
* * Staurastrum orbiculare var. extensum (Nordst.)
* * Staurastrum orbiculare var. hibernicum (West and West)
* * Staurastrum orbiculare var. ralfsii (West and West)
* * Staurastrum orbiculare var. protractum (Playfair)
* * Staurastrum ornithopodum ()
* * Staurastrum paradoxum (Meyer)
* * Staurastrum paradoxum var. paradoxum (Meyer)
* * Staurastrum paradoxum var. evolutum (West and West)
* * Staurastrum paradoxum var. longipes (Nordstedt)
* * Staurastrum paradoxum var. nodulosum (Turpin)
* * Staurastrum paradoxum var. parvum (Turpin)
* * Staurastrum pentacerum ((Wille) G. M. Smith)
* * Staurastrum pentacerum var. pentacerum ((Wille) G. M. Smith)
* * Staurastrum pentacerum var. major (G. M. Smith)
* * Staurastrum pentacerum var. obesum (G. M. Smith)
* * Staurastrum pentacerum var. tetracerum ((Wolle) G. M. Smith)
* * Staurastrum protectum (West and West)
* * Staurastrum protectum var. protectum (West and West)
* * Staurastrum protectum var. planctonicum (G. M. Smith)
* * Staurastrum punctulatum (Brebisson)
* * Staurastrum punctulatum var. punctulatum (Brebisson)
* * Staurastrum punctulatum var. kjellmani (Wille)
* * Staurastrum quadricuspinatum ()
* * Staurastrum ravenellii ()
* * Staurastrum rugosum (Irenee-marie)
* * Staurastrum rugosum var. rugosum (Irenee-marie)
* * Staurastrum rugosum var. coronulatum ((Wade) Jackson)
* * Staurastrum setigerum (Cleve)
* * Staurastrum setigerum var. setigerum (Cleve)
* * Staurastrum setigerum var. brevispinum (G. M. Smith)
* * Staurastrum setigerum var. pectinatum (Turpin)
* * Staurastrum setigerum var. alaskanum (Croasdale)
* * Staurastrum setigerum var. occidentale (West and West)
* * Staurastrum spiculiferum ()
* * Staurastrum sponglosum ()
* * Staurastrum subcruciatum (Cooke and Wills)
* * Staurastrum tetracerum (Ralfs)
* * Staurastrum tetracerum var. tetracerum (Ralfs)
* * Staurastrum tetracerum var. trigona (Lundell)
* * Staurastrum tetracerum var. validum (West and West)
* * Staurastrum tohopekaligense (Wolle)
* * Staurastrum tohopekaligense var. tohopekaligense (Wolle)
* * Staurastrum tohopekaligense var. trifurcata (Turpin)
* * Staurastrum trifidum (Turpin)
* * Staurastrum trifidum var. trifidum (Turpin)
* * Staurastrum trifidum var. inflexum (Turpin)
* * Staurastrum turgescens (De Not)
* * Staurastrum vestitum (Ralfs)
* * Staurastrum vestitum var. vestitum (Ralfs)
* * Staurastrum vestitum var. subanatinum ((Turpin) Ralfs)
* * Staurastrum alternans (Brebisson)
* * Staurastrum americanum ((W. West and G. S. West) G. M. Smith)
* * Staurastrum americanum var. americanum ((W. West and G. S. West) G. M. Smith)
* * Staurastrum americanum var. triradiatum (G. M. Smith)
* * Staurastrum americanum var. longiradiatum (G. M. Smith)
* * Staurastrum acarides (Nordst.)
* * Staurastrum aculeatum ((Ehrenberg) Menegh.)
* * Staurastrum anatinum (Cooke and Wills)
* * Staurastrum anatinum var. anatinum (Cooke and Wills)
* * Staurastrum anatinum var. biradiatum (Turpin)
* * Staurastrum anatinum var. denticulatum (G. M. Smith)
* * Staurastrum anatinum var. grande (West and West)
* * Staurastrum anatinum var. lagerheimii ((Schmidle) West and West)
* * Staurastrum anatinum var. curtum (G. M. Smith)
* * Staurastrum anatinum var. longibrachiatum (Turpin)
* * Staurastrum anatinum var. truncatum (West)
* * Staurastrum arcuatum (Nordstedt)
* * Staurastrum arcuatum var. arcuatum (Nordstedt)
* * Staurastrum arcuatum var. aciculiferum (West and West)
* * Staurastrum arcuatum var. guitanense (West)
* * Staurastrum arnellii (Boldt)
* * Staurastrum bicorne (Hauptfl.)
* * Staurastrum brachycerum (Brebisson)
* * Staurastrum brebissonii (Archer)
* * Staurastrum brebissonii var. brebissonii (Archer)
* * Staurastrum brebissonii var. brevispinum (Turpin)
* * Staurastrum brebissonii var. paucispinum (G. M. Smith)
* * Staurastrum brebissonii var. truncatum (Groenblad)
* * Staurastrum claviferum (Turpin)
* * Staurastrum clevei ((Wittr.) Roy and Biss.)
* * Staurastrum coarctatum (Brebisson)
* * Staurastrum coarctatum var. coarctatum (Brebisson)
* * Staurastrum coarctatum var. subcurtum (Nordstedt)
* * Staurastrum controversum (Brebisson)
* * Staurastrum crenulatum ((Naegeli) Delp.)
* * Staurastrum crenulatum var. crenulatum ((Naegeli) Delp.)
* * Staurastrum crenulatum var. timidulum (Insam and Krieger)
* * Staurastrum cuneatum (Wolle)
* * Staurastrum denticulatum ((Naegeli) Archer)
* * Staurastrum dispar (Brebisson)
* * Staurastrum disputatum (West and West)
* * Staurastrum distentum (Wolle)
* * Staurastrum duacense (West and West)
* * Staurastrum dubium (Turpin)
* * Staurastrum eboracense (Turner)
* * Staurastrum fissum (Turner)
* * Staurastrum furcatum ((Ehrenberg) Brebisson)
* * Staurastrum gemelliparum (Nordst.)
* * Staurastrum grallatorium (Nordst.)
* * Staurastrum grallatorium var. grallatorium (Nordst.)
* * Staurastrum grallatorium var. forcipigerum (Lagerheim)
* * Staurastrum granulosum ((Ehrenberg) Ralfs)
* * Staurastrum hystrix (Ralfs)
* * Staurastrum inconspicuum (Nordstedt)
* * Staurastrum inconspicuum var. inconspicuum (Nordstedt)
* * Staurastrum inconspicuum var. crassum (Gay)
* * Staurastrum inflexum (Brebisson)
* * Staurastrum iotanum (Wolle)
* * Staurastrum iotanum var. iotanum (Wolle)
* * Staurastrum iotanum var. tortum (Teiling)
* * Staurastrum johnsonii (West and West)
* * Staurastrum leptacanthum (Nordst.)
* * Staurastrum longiradiatum (West and West)
* * Staurastrum longispinum ((Bailey) Archer)
* * Staurastrum maamense (Archer)
* * Staurastrum maamense var. maamense (Archer)
* * Staurastrum maamense var. atypicum (Magnotta)
* * Staurastrum lunatum (Ralfs)
* * Staurastrum lunatum var. lunatum (Ralfs)
* * Staurastrum lunatum var. planctonicum (West and West)
* * Staurastrum muricatum (Brebisson)
* * Staurastrum natator (Turpin)
* * Staurastrum natator var. natator (Turpin)
* * Staurastrum natator var. rhomboideum (Carter)
* * Staurastrum natator var. crassum ()
* * Staurastrum neglectum (G. West)
* * Staurastrum picum (West and West)
* * Staurastrum pilosum ((Naegeli) Archer)
* * Staurastrum planctonicum (Teiling)
* * Staurastrum planctonicum var. planctonicum (Teiling)
* * Staurastrum planctonicum var. ornatum ((Groenblad) Teiling)
* * Staurastrum polymorphum (Brebisson)
* * Staurastrum polymorphum var. polymorphum (Brebisson)
* * Staurastrum polymorphum var. munitum (Turpin)
* * Staurastrum polytrichum ((Perty) Rabenhorst)
* * Staurastrum polytrichum var. polytrichum ((Perty) Rabenhorst)
* * Staurastrum polytrichum var. biseriatum (Kaiser)
* * Staurastrum polytrichum var. ornatum (Taft)
* * Staurastrum proboscidium ((Brebisson) Archer)
* * Staurastrum pseudopelagicum (West and West)
* * Staurastrum pseudopelagicum var. pseudopelagicum (West and West)
* * Staurastrum pseudopelagicum var. minor (G. M. Smith)
* * Staurastrum pseudosebaldi (Wille)
* * Staurastrum pseudosebaldi var. pseudosebaldi (Wille)
* * Staurastrum pseudosebaldi var. simplicius (Turpin)
* * Staurastrum pseudotetracerum ((Nordst.) West and West)
* * Staurastrum pungens (Brebisson)
* * Staurastrum pyramidatum (Turpin)
* * Staurastrum pyramidatum var. pyramidatum (Turpin)
* * Staurastrum pyramidatum var. transitorium (Heimerl.)
* * Staurastrum quadrangulare (Brebisson)
* * Staurastrum quadrangulare var. quadrangulare (Brebisson)
* * Staurastrum quadrangulare var. armatum (Turpin)
* * Staurastrum quadrispinatum (Turner)
* * Staurastrum scabrum (Brebisson)
* * Staurastrum sebaldi (Reinsch)
* * Staurastrum sebaldi var. sebaldi (Reinsch)
* * Staurastrum sebaldi var. ornatum (Nordst.)
* * Staurastrum sexcostatum (Brebisson)
* * Staurastrum sexcostatum var. sexcostatum (BrΘb.)
* * Staurastrum sexcostatum var. productum (Turpin)
* * Staurastrum simonyi (Heimerl.)
* * Staurastrum spongiosum (Brebisson)
* * Staurastrum striolatum ((Naegeli) Archer)
* * Staurastrum subgracillimum (West and West)
* * Staurastrum subscabrum (Nordst.)
* * Staurastrum teliferum (Ralfs)
* * Staurastrum vesiculatum (Wolle)
* * Staurastrum ankyroides (Wolle)
* * Staurastrum bullardii (G. M. Smith)
* * Staurastrum freemanii (West and West)
* * Staurastrum inconspicum (Nordstedt)
* * Staurastrum jaculiferum (West)
* * Staurastrum jaculiferum var. jaculiferum (West)
* * Staurastrum jaculiferum var. excavatum (West and West)
* * Staurastrum lacustre (Smith)
* * Staurastrum longibrachiatum ((Borge) Gutwinski)
* * Staurastrum longibrachiatum var. longibrachiatum (West and West)
* * Staurastrum longibrachiatum var. mistassiniense (Irenee-marie)
* * Staurastrum longimum (Turpin)
* * Staurastrum longimum var. longimum (Turpin)
* * Staurastrum longimum var. spiniferum (Scott and Groenblad)
* * Staurastrum longipes ((Nordstedt) Teiling)
* * Staurastrum odonatum (Wolle)
* * Staurastrum pachyrhynchum (Nordstedt)
* * Staurastrum pachyrhynchum var. pachyrhynchum (Nordstedt)
* * Staurastrum pachyrhynchum var. convergens (Raciborski)
* * Staurastrum producta (Grunow)
* * Staurastrum pseudoitanum (Gronblad)
* * Staurastrum rotula (Nordstedt)
* * Staurastrum sexangulare (Lundell)
* * Staurastrum sexangulare var. sexangulare (Lundell)
* * Staurastrum sexangulare var. minima (Nordstedt)
* * Staurastrum subcuciatum (Cooke and Wills)
* * Staurastrum sublaevispinum (West)
* * Staurastrum sublongipes (G. M. Smith)
* * Staurastrum subnudibrachiatum (Turpin)
* * Staurastrum wildemanii (Gutwinski)
* * Staurastrum depressiceps ()
* * Staurastrum depressiceps var. depressiceps ()
* * Staurastrum depressiceps var. planiceps ()
* * Staurastrum punctatum ()
* * Staurastrum punctatum var. punctatum ()
* * Staurastrum punctatum var. pygmaeum ((Brebisson) West and West)
* * Staurastrum retangulare ()
* * Staurastrum retangulare var. retangulare ()
* * Staurastrum retangulare var. quadricornutum (Prescott and Scott)
* * Staurastrum retusum (Turpin)
* * Staurastrum trihedrale (Wolle)
* * Staurastrum pinnatum ()
* * Staurastrum pinnatum var. pinnatum ()
* * Staurastrum pinnatum var. reductum (Krieger)
* * Staurastrum affine (West and West)
* * Staurastrum aristiferum (Ralfs)
* * Staurastrum aristiferum var. aristiferum (Ralfs)
* * Staurastrum aristiferum var. prescottii (Irenee-marie)
* * Staurastrum boldtianum (Groenblad)
* * Staurastrum boreale (West and West)
* * Staurastrum varians (Raciborski)
* * Staurastrum unicorne (Turner)
* * Staurastrum cristatum ((Naegeli) Archer)
* * Staurastrum cristatum var. cristatum ((Naegeli) Archer)
* * Staurastrum cristatum var. japonicum (Hirano)
* * Staurastrum curvatum (West)
* * Staurastrum curvatum var. curvatum (West)
* * Staurastrum curvatum var. brevispinum (Nygaard)
* * Staurastrum curvirostrum (Turner)
* * Staurastrum dakotii (Taft)
* * Staurastrum tumidum (Brebisson)
* * Staurastrum dickiei (Ralfs)
* * Staurastrum dickiei var. dickiei (Ralfs)
* * Staurastrum dickiei var. circulare (Turner)
* * Staurastrum dickiei var. latum (Hirano)
* * Staurastrum dickiei var. maximum (West)
* * Staurastrum dickiei var. rhomboideum (West and West)
* * Staurastrum thunmarkii (Teiling)
* * Staurastrum dybowskii (Woloszynska)
* * Staurastrum erasum (Brebisson)
* * Staurastrum forficulatum (Lundell)
* * Staurastrum forficulatum var. forficulatum (Lundell)
* * Staurastrum forficulatum var. cornutiforme (Wade)
* * Staurastrum forficulatum var. heteracanthum (Groenblad)
* * Staurastrum forficulatum var. subheteroplophorum (Groenblad)
* * Staurastrum galeatum (Turner)
* * Staurastrum gmelliparum (Nordstedt)
* * Staurastrum grande (Bulnheim)
* * Staurastrum grande var. grande (Bulnheim)
* * Staurastrum grande var. parvum (West)
* * Staurastrum groenbladii (Skuja)
* * Staurastrum gurgeliense (Schmidle)
* * Staurastrum hantzschii (Reinsch)
* * Staurastrum heimerlianum (Luetkemueller)
* * Staurastrum irregulare (West)
* * Staurastrum laeve (Ralfs)
* * Staurastrum laeve var. laeve (Ralfs)
* * Staurastrum laeve var. latidivergens (Scott and Groenblad)
* * Staurastrum lapponicum ((Schmidle) Groenblad)
* * Staurastrum lapponicum var. lapponicum ((Schmidle) Groenblad)
* * Staurastrum lapponicum var. depressum (Jackson)
* * Staurastrum pterosporum (Lundell)
* * Staurastrum longiradiata (West)
* * Staurastrum louisianicum (Scott and Groenblad)
* * Staurastrum mamillatum (Nordstedt)
* * Staurastrum messikommeri (Lundberg)
* * Staurastrum messikommeri var. messikommeri (Lundberg)
* * Staurastrum messikommeri var. urnaeforme (Lundberg)
* * Staurastrum micron (West and West)
* * Staurastrum micron var. micron (West and West)
* * Staurastrum micron var. biradiata (Irenee-marie)
* * Staurastrum mucronatum (Ralfs)
* * Staurastrum mucronatum var. mucronatum (Ralfs)
* * Staurastrum mucronatum var. subtriangularis (West and West)
* * Staurastrum omearii (Archer)
* * Staurastrum pingue (Teiling)
* * Staurastrum pingue var. pingue (Teiling)
* * Staurastrum pingue var. tridentata (Nygaard)
* * Staurastrum senarium ((Ehrenberg) Ralfs)
* * Staurastrum polinicum (Raciborske)
* * Staurastrum polinicum var. polinicum (Raciborske)
* * Staurastrum polinicum var. coronulatum (Prescott)
* * Staurastrum pygmaeum (Brebisson)
* * Staurastrum pygmaeum var. pygmaeum (Brebisson)
* * Staurastrum pygmaeum var. major (Wille)
* * Staurastrum peleii (Taft)
* * Staurastrum ornatum (Turner)
* * Staurastrum ornatum var. ornatum (Turner)
* * Staurastrum ornatum var. asperum ((Perty) Schmidle)
* * Staurastrum brevispinum ()
* * Staurastrum brevispinum var. brevispinum ()
* * Staurastrum brevispinum var. canadense (Taft)
* * Staurastrum bicoronatum (Johnson)
* * Staurastrum bicoronatum var. bicoronatum (Johnson)
* * Staurastrum bicoronatum var. tridentatum (Taft)

### Tetmemorus
* Tetmemorus (Ralfs, 1848)
* * Tetmemorus brebissonii ((Menegh.) Ralfs)
* * Tetmemorus brebissonii var. brebissonii ((Menegh.) Ralfs)
* * Tetmemorus brebissonii var. minor (De Bary)
* * Tetmemorus granulatus ((Brebisson) Ralfs)
* * Tetmemorus granulatus var. granulatus ((Brebisson) Ralfs)
* * Tetmemorus granulatus var. attenuatus (Turpin)
* * Tetmemorus laevis ((Kuetzing) Ralfs)
* * Tetmemorus laevis var. laevis ((Keutzing) Ralfs)
* * Tetmemorus laevis var. borgei (Forster)
* * Tetmemorus minutus ()

### Triploceras
* Triploceras (Bailey, 1851)
* Triploceras gracile (Bailey)
* Triploceras gracile var. gracile (Bailey)
* Triploceras gracile var. bidentatum (Nordst.)
* Triploceras verticillatum (Bailey)

### Xanthidium
* Xanthidium (Ehrenberg)
* * Xanthidium antilopaeum ((Brebisson) Kuetzing)
* * Xanthidium antilopaeum var. antilopaeum ((Brebisson) Kuetzing)
* * Xanthidium antilopaeum var. depauperatum ()
* * Xanthidium antilopaeum var. hebridarum (West and West)
* * Xanthidium antilopaeum var. minneapoliense (Wolle)
* * Xanthidium antilopaeum var. polymazum (Nordstedt)
* * Xanthidium antilopaeum var. laeve (Groenblad)
* * Xanthidium antilopaeum var. lemneticum (Nordstedt)
* * Xanthidium antilopaeum var. floridense (Scott and Gronblad)
* * Xanthidium antilopaeum var. crameri (Groenblad)
* * Xanthidium antilopaeum var. planum (Roll.)
* * Xanthidium fasciculatum ((Ehrenberg) Ralfs)
* * Xanthidium fasciculatum var. fasciculatum ((Ehrenberg) Ralfs)
* * Xanthidium fasciculatum var. hexagonum (Wolle)
* * Xanthidium fasciculatum var. oronense (West and West)
* * Xanthidium armatum ((Brebisson) Rabh.)
* * Xanthidium armatum var. armatum ((Brebisson) Rabh.)
* * Xanthidium armatum var. cervicorne (Turpin)
* * Xanthidium armatum var. fissum (Nordstedt)
* * Xanthidium armatum var. mediolaeve (G. M. Smith)
* * Xanthidium cristatum (Brebisson)
* * Xanthidium cristatum var. cristatum (Brebisson)
* * Xanthidium cristatum var. uncinatum (Brebisson)
* * Xanthidium cristatum var. leiodermum ((Roy and Biss.) Turner)
* * Xanthidium cristatum var. hipparguii (Irenee-marie)
* * Xanthidium cristatum var. papilliferum (Irenee-marie)
* * Xanthidium subhastiferum (Turpin)
* * Xanthidium subhastiferum var. subhautiferum (Turpin)
* * Xanthidium subhastiferum var. towerii ((Brebisson) West and West)
* * Xanthidium pensylvanicum ()
* * Xanthidium concinnum (Archer)
* * Xanthidium concinnum var. concinnum (Archer)
* * Xanthidium concinnum var. boldtiana (Turpin)
* * Xanthidium pseudobengalicum (West)
* * Xanthidium brebissonii (Ralfs)
* * Xanthidium controversum (Turpin)
* * Xanthidium perissacanthum (Scott and Prescott)
* * Xanthidium tetracentrotum ()
* * Xanthidium tetracentrotum var. tetracentrotum ()
* * Xanthidium tetracentrotum var. hexagonum (G. M. Smith)
* * Xanthidium hastiferum (Turner)
* * Xanthidium hastiferum var. hastiferum (Turner)
* * Xanthidium hastiferum var. javanicum ((Nordst.) Turner)
* * Xanthidium hastiferum var. johnsonii (West and West)

## THam khảo