Difference between revisions of "Order Zygnematales"

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===Family Closteriaceae Bessey===
 
===Family Closteriaceae Bessey===
Genus Closterium Nitzsch ex Ralfs
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Genus ''Closterium'' Nitzsch ex Ralfs
*Closterium acerosum (Schrank) Ehrenberg ex Ralfs – planktonic, benthic; lakes; common (own data).
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*''Closterium acerosum'' (Schrank) Ehrenberg ex Ralfs – planktonic, benthic; lakes; common (own data).
*Closterium aciculare West – benthic, planktonic; Vodoprovodnoye (Potable water) Lake, Verkhneye Ershovskoe lake; sporadic (own data).
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*''Closterium aciculare'' West – benthic, planktonic; Vodoprovodnoye (Potable water) Lake, Verkhneye Ershovskoe lake; sporadic (own data).
*Closterium ehrenbergii Meneghini – planktonic, benthic; bogs, lakes; rare (own data).
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*''Closterium acutum'' Brébisson 1848 '' – freshwater, planktonic, in meromictic lake Trekhtzvetnoe (Ivanova, 2025, pers. communication).
*Closterium kuetzingii Brébisson – planktonic; bogs, lakes; common (own data).
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*''Closterium ehrenbergii'' Meneghini – planktonic, benthic; bogs, lakes; rare (own data).
*Closterium leiblenii Kützing – planktonic; bogs, lakes; common (own data).
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*''Closterium kuetzingii'' Brébisson – planktonic; bogs, lakes; common (own data).
*Closterium littorale Gay – benthic, planktonic; Verkhneye (Upper) Lake; rare (own data).
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*''Closterium leiblenii'' Kützing – planktonic; bogs, lakes; common (own data).
*Closterium lunula (O. F.Müller) Nitzsch – planktonic, benthic; bogs, lakes; common (own data).
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*''Closterium littorale'' Gay – benthic, planktonic; Verkhneye (Upper) Lake; rare (own data).
*Closterium moniliferum (Bory) Ehrenberg – planktonic, benthic; freshwater; common (own data).
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*''Closterium lunula'' (O. F.Müller) Nitzsch – planktonic, benthic; bogs, lakes; common (own data).
*Closterium parvulum Nägeli – benthic, planktonic; bogs, lakes; common (own data).
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*''Closterium moniliferum'' (Bory) Ehrenberg – planktonic, benthic; freshwater; common (own data).
*Closterium setaceum Ehrenberg ex Ralfs – in marine plankton (Конопля, 1974).
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*''Closterium parvulum'' Nägeli – benthic, planktonic; bogs, lakes; common (own data).
*Closterium tumidulum Gay – benthic; bogs; rare (own data).
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*''Closterium setaceum'' Ehrenberg ex Ralfs – in marine plankton (Конопля, 1974); sporadically in plankton of meromictic lake Trekhtzvetnoe (Ivanova, 2025, personal communication).
*Closterium venus Kützing – benthic, planktonic; bogs, lakes; common (own data).
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*''Closterium tumidulum'' Gay – benthic; bogs; rare (own data).
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*''Closterium venus'' Kützing – benthic, planktonic; bogs, lakes; common (own data); in plankton of meromictic lake Trekhtzvetnoe (Ivanova, 2025, personal communication).
  
 
===Family Desmidiaceae Ralfs===
 
===Family Desmidiaceae Ralfs===
Genus Actinotaenium (Nägeli) Teiling
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Genus ''Actinotaenium'' (Nägeli) Teiling
*Actinotaenium cucurbita (Brébisson ex Ralfs) Teiling – planktonic; bogs, lakes; common (own data).
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*''Actinotaenium cucurbita'' (Brébisson ex Ralfs) Teiling – planktonic; bogs, lakes; common (own data).
Genus Bambusina Kützing
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Genus ''Bambusina'' Kützing
*Bambusina borreri (Ralfs) Cleve – benthic, planktonic; bogs, lakes; common, sometimes dominant (own data: Bambusina brebissonii Kützing).
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*''Bambusina borreri'' (Ralfs) Cleve – benthic, planktonic; bogs, lakes; common, sometimes dominant (own data: Bambusina brebissonii Kützing).
Genus Cosmarium Corda
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Genus ''Cosmarium'' Corda
*Cosmarium botrytis Meneghini – planktonic; freshwater supralittoral basins, pools, bogs, lakes; common (own data).
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*''Cosmarium botrytis'' Meneghini – planktonic; freshwater supralittoral basins, pools, bogs, lakes; common (own data).
*Cosmarium brebissonii Meneghini – benthic; freshwater supralittoral basin; Rugozerskaya Bay; sporadic (own data).
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*''Cosmarium brebissonii'' Meneghini – benthic; freshwater supralittoral basin; Rugozerskaya Bay; sporadic (own data).
*Cosmarium depressum (Nägeli) Lundell – planktonic; bogs, lakes; common (own data).
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*''Cosmarium depressum'' (Nägeli) Lundell – planktonic; bogs, lakes; common (own data); in plankton of meromictic lake Trekhtzvetnoe (Ivanova, 2025, personal communication).
*Cosmarium granatum Brébisson – planktonic; freshwater supralittoral basins, bogs, lakes; common (own data).
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*''Cosmarium granatum'' Brébisson – planktonic; freshwater supralittoral basins, bogs, lakes; common (own data).
*Cosmarium meneghinii Brébisson – planktonic; supralittoral basins, bogs, lakes; common (own data).
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*''Cosmarium meneghinii'' Brébisson – planktonic; supralittoral basins, bogs, lakes; common (own data).
*Cosmarium nasutum Nordstedt – in sphagnums; Verkhneye (Upper) Lake; rare (own data).
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*''Cosmarium nasutum'' Nordstedt – in sphagnums; Verkhneye (Upper) Lake; rare (own data).
*Cosmarium obtusatum (Schmidle) Schmidle – planktonic; supralittoral basins, bogs, lakes; common (own data).
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*''Cosmarium obtusatum'' (Schmidle) Schmidle – planktonic; supralittoral basins, bogs, lakes; common (own data).
*Cosmarium ochthodes Nordstedt – planktonic; freshwater; everywhere; common (own data).
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*''Cosmarium ochthodes'' Nordstedt – planktonic; freshwater; everywhere; common (own data).
*Cosmarium praegrande Lundelll – bogs, Verkhneye (Upper) Lake; rare (own data).
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*''Cosmarium praegrande'' Lundelll – bogs, Verkhneye (Upper) Lake; rare (own data).
*Cosmarium pseudoretusiforme Grönblad – в выжимке из сфагновых мхов, sporadic, the bog near the Eremeevskaya bay.
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*''Cosmarium pseudoretusiforme'' Grönblad – в выжимке из сфагновых мхов, sporadic, the bog near the Eremeevskaya bay.
*Cosmarium punctulatum Brébisson – planktonic; brooks, boggy pools (own data).
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*''Cosmarium punctulatum'' Brébisson – planktonic; brooks, boggy pools (own data).
*Cosmarium pygmaeum Archer – planktonic; freshwater supralittoral basins, bogs, lakes; common (own data).
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*''Cosmarium pygmaeum'' Archer – planktonic; freshwater supralittoral basins, bogs, lakes; common (own data).
*Cosmarium pyramidatum Brébisson – planktonic; freshwater; common (own data).
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*''Cosmarium pyramidatum'' Brébisson – planktonic; freshwater; common (own data).
*Cosmarium reniforme (Ralfs) Archer – planktonic; bogs; common (own data).
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*''Cosmarium reniforme'' (Ralfs) Archer – planktonic; bogs; common (own data).
*Cosmarium striolatum (Nägeli) Archer – planktonic; Krugloe lake; sporadic (own data).
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*''Cosmarium striolatum'' (Nägeli) Archer – planktonic; Krugloe lake; sporadic (own data).
*Cosmarium subarctoum (Lagerheim) Raciborski – planktonic; Krugloe lake; sporadic (own data).
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*''Cosmarium subarctoum'' (Lagerheim) Raciborski – planktonic; Krugloe lake; sporadic (own data).
*Cosmarium turgidum Brébisson – planktonic; bogs; rare (own data).
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*''Cosmarium turgidum'' Brébisson – planktonic; bogs; rare (own data).
*Cosmarium ungerianum (Nägeli) de Bary – planktonic; bogs; common (own data).
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*''Cosmarium ungerianum'' (Nägeli) de Bary – planktonic; bogs; common (own data).
Genus Cosmocladium Brébisson
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Genus ''Cosmocladium'' Brébisson
*Cosmocladium constrictum (Archer) Joschua – planktonic; Vodoprovodnoye (Potable water) Lake; rare (own data).
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*''Cosmocladium constrictum'' (Archer) Joschua – planktonic; Vodoprovodnoye (Potable water) Lake; rare (own data).
*Cosmocladium pulchellum Brébisson – planktonic, benthic; boggy pools; rare (own data).
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*''Cosmocladium pulchellum'' Brébisson – planktonic, benthic; boggy pools; rare (own data).
*Cosmocladium pusillum L. Hilse – planktonic, rare, Vodoprovodnoye (Potable water) Lake.
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*''Cosmocladium pusillum'' L. Hilse – planktonic, rare, Vodoprovodnoye (Potable water) Lake.
*Cosmocladium saxonicum de Bary – planktonic; Vodoprovodnoye (Potable water) Lake; sporadic (own data).
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*''Cosmocladium saxonicum'' de Bary – planktonic; Vodoprovodnoye (Potable water) Lake; sporadic (own data).
Genus Desmidium C. Agardh
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Genus ''Desmidium'' C. Agardh
*Desmidium asymmetricum Grönblad – benthic; freshwater supralittoral basins; Probkina Gubka inlet; sporadic (own data).
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*''Desmidium asymmetricum'' Grönblad – benthic; freshwater supralittoral basins; Probkina Gubka inlet; sporadic (own data).
*Desmidium grevillei (Kützing ex Ralfs) De Bary – planktonic, benthic; bogs, lakes; common (own data: Desmidium cylindricum Greville).
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*''Desmidium grevillei'' (Kützing ex Ralfs) De Bary – planktonic, benthic; bogs, lakes; common (own data: Desmidium cylindricum Greville).
*Desmidium swartzii (C. Agardh) C. Agardh – benthic, planktonic; freshwater supralittoral basins, bogs, lakes; common (own data).
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*''Desmidium swartzii'' (C. Agardh) C. Agardh – benthic, planktonic; freshwater supralittoral basins, bogs, lakes; common (own data).
Genus Docidium Brébisson ex Ralfs
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Genus ''Docidium'' Brébisson ex Ralfs
*Docidium baculum (Brébisson) Brébisson – benthic, planktonic; bogs, lakes; common, sometimes dominant (own data).
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*''Docidium baculum'' (Brébisson) Brébisson – benthic, planktonic; bogs, lakes; common, sometimes dominant (own data).
*Docidium undulatum Bailey – benthic, planktonic; bogs, lakes; common (own data).
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*''Docidium undulatum'' Bailey – benthic, planktonic; bogs, lakes; common (own data).
Genus Euastrum Ehrenberg
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Genus ''Euastrum'' Ehrenberg
*Euastrum bidentatum Nägeli – planktonic; bogs, lakes; common (own data).
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*''Euastrum bidentatum'' Nägeli – planktonic; bogs, lakes; common (own data); in plankton of meromictic lake Trekhtzvetnoe (Ivanova, 2025, personal communication).
*Euastrum divaricatum Lundell – planktonic, benthic; bogs, lakes; common (own data).
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*''Euastrum cf. binale' Ehrenberg ex Ralfs 1848 freshwater, planktonic; in meromictic lake Trekhtzvetnoe (Ivanova, 2025, pers. communication).
*Euastrum elegans (Brébisson in Meneghini) Kützing – planktonic, benthic; bogs, lakes; common (own data).
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*''Euastrum divaricatum'' Lundell – planktonic, benthic; bogs, lakes; common (own data).
*Euastrum oblongum (Greville in Hooker) Ralfs – planktonic; bogs, lakes; rare (own data).
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*''Euastrum elegans'' (Brébisson in Meneghini) Kützing – planktonic, benthic; bogs, lakes; common (own data).
*Euastrum pectinatum (Brébisson) Brébisson – planktonic; Verkhneye (Upper) Lake; common; bogs; rare (own data).
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*''Euastrum oblongum'' (Greville in Hooker) Ralfs – planktonic; bogs, lakes; rare (own data).
*Euastrum verrucosum Ehrenberg – planktonic; bogs, lakes; common (own data).
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*''Euastrum pectinatum'' (Brébisson) Brébisson – planktonic; Verkhneye (Upper) Lake; common; bogs; rare (own data).
Genus Haplotaenium T. Bando
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*''Euastrum verrucosum'' Ehrenberg – planktonic; bogs, lakes; common (own data).
*Haplotaenium minutum (Ralfs) Bando – benthic, planktonic; bogs, lakes; rare (own data: Pleurotaenium minutum (Ralfs) Hilse).
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Genus ''Haplotaenium'' T. Bando
Genus Heimansia Coesel
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*''Haplotaenium minutum'' (Ralfs) Bando – benthic, planktonic; bogs, lakes; rare (own data: Pleurotaenium minutum (Ralfs) Hilse).
*Heimansia pusilla (L. Hilse) Coesel – planktonic; Vodoprovodnoye (Potable water) Lake; rare (own data: Cosmocladium pusillum Hilse).
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Genus ''Heimansia'' Coesel
Genus Hyalotheca Ehrenberg
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*''Heimansia pusilla'' (L. Hilse) Coesel – planktonic; Vodoprovodnoye (Potable water) Lake; rare (own data: Cosmocladium pusillum Hilse).
*Hyalotheca dissiliens (Smith) Brébisson – planktonic; bogs, lakes; common (own data).
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Genus ''Hyalotheca'' Ehrenberg
*Hyalotheca mucosa Ralfs – benthic, planktonic; boggy pools, lakes; common (own data Hyalotheca mucosa (Dillwyn) Ehrenberg).
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*''Hyalotheca dissiliens'' (Smith) Brébisson – planktonic; bogs, lakes; common (own data).
Genus Micrasterias C. Agardh
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*''Hyalotheca mucosa'' Ralfs – benthic, planktonic; boggy pools, lakes; common (own data Hyalotheca mucosa (Dillwyn) Ehrenberg).
*Micrasterias crux-melitensis (Ehrenberg) Trevisan – planktonic; bogs, lakes; common (own data).
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Genus ''Micrasterias'' C. Agardh
*Micrasterias papillifera Brébisson – planktonic; bogs, lakes; common (own data).
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*''Micrasterias crux-melitensis'' (Ehrenberg) Trevisan – planktonic; bogs, lakes; common (own data).
*Micrasterias rotata (Greville) Ralfs – planktonic; bogs near the WSBS power line swath; sporadic (own data).
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*''Micrasterias papillifera'' Brébisson – planktonic; bogs, lakes; common (own data).
*Micrasterias truncata Ralfs – planktonic; bogs, lakes; common (own data: Micrasterias truncata (Corda) Brébisson).
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*''Micrasterias rotata'' (Greville) Ralfs – planktonic; bogs near the WSBS power line swath; sporadic (own data).
Genus Pleurotaenium Nägeli
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*''Micrasterias truncata'' Ralfs – planktonic; bogs, lakes; common (own data: Micrasterias truncata (Corda) Brébisson); in plankton of meromictic lake Trekhtzvetnoe (Ivanova, 2025, personal communication).
*Pleurotaenium ehrenbergii (Ralfs) Delponte – bogs, lakes; common (own data).
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Genus ''Pleurotaenium'' Nägeli
*Pleurotaenium nodosum (Bailey) Lundell – benthic, planktonic; bogs, lakes; rare (own data).
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*''Pleurotaenium ehrenbergii'' (Ralfs) Delponte – bogs, lakes; common (own data).
Genus Sphaerozosma Corda ex Ralfs
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*''Pleurotaenium nodosum'' (Bailey) Lundell – benthic, planktonic; bogs, lakes; rare (own data).
*Sphaerozosma aubertianum West – benthic, planktonic; bogs, lakes; common (own data).
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Genus ''Sphaerozosma'' Corda ex Ralfs
*Sphaerozosma commiscuum (Skuja) Palamar-Mordvintzeva [=Sphaerozosma excavatum Ralfs var. commiscuum Skuja] – benthic, sporadic, the bog near the Krugloe lake.
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*''Sphaerozosma aubertianum'' West – benthic, planktonic; bogs, lakes; common (own data).
*Sphaerozosma filiforme (Ehrenberg) Bourrelly – planktonic; bogs, Verkhneye (Upper) Lake, Verkhneye Ershovskoe lake; rare (own data).
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*''Sphaerozosma commiscuum'' (Skuja) Palamar-Mordvintzeva [=Sphaerozosma excavatum Ralfs var. commiscuum Skuja] – benthic, sporadic, the bog near the Krugloe lake.
*Sphaerozosma vertebratum Brébisson ex Ralfs – benthic; the bog near оз. Е. Ерш.; sporadic (own data).
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*''Sphaerozosma filiforme'' (Ehrenberg) Bourrelly – planktonic; bogs, Verkhneye (Upper) Lake, Verkhneye Ershovskoe lake; rare (own data).
Genus Spondylosium Brébisson ex Kützing
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*''Sphaerozosma vertebratum'' Brébisson ex Ralfs – benthic; a bog near the Verkhneye Ershovskoe lake; sporadic (own data).
*Spondylosium planum (Wolle) W. West & G. S. West – planktonic; freshwater supralittoral basins, bogs, lakes; common (own data).
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Genus ''Spondylosium'' Brébisson ex Kützing
*Spondylosium pulchellum W. Archer – in sphagnums; the bog near the Verkhneye (Upper) Lake; rare (own data).
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*''Spondylosium planum'' (Wolle) W. West & G. S. West – planktonic; freshwater supralittoral basins, bogs, lakes; common (own data).
*Spondylosium pulchrum (Bailey) W. Archer. – planktonic, benthic; Nizhneye Ershovskoe lake, the bog near it; rare (own data).
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*''Spondylosium pulchellum'' W. Archer – in sphagnums; the bog near the Verkhneye (Upper) Lake; rare (own data).
Genus Staurastrum (Meyen) Ralfs
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*''Spondylosium pulchrum'' (Bailey) W. Archer. – planktonic, benthic; Nizhneye Ershovskoe lake, the bog near it; rare (own data).
*Staurastrum gracile Ralfs ex Ralfs – benthic, planktonic; freshwater supralittoral basins, bogs, lakes; common (own data).
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Genus ''Staurastrum'' (Meyen) Ralfs
*Staurastrum furcatum Brébisson – freshwater supralittoral basins, bogs; rare (own data).
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*''Staurastrum alternans'' Brébisson 1848 – freshwater., in plankton of meromictic lake Trekhtzvetnoe (Ivanova, 2025, pers. communication).
*Staurastrum inflexum Brébisson – freshwater, Verkhneye (Upper) Lake, Vodoprovodnoye (Potable water) Lake; planktonic (Бизина, 1998).
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*''Staurastrum crenulatum'' (Nägeli) Delponte 1877 – freshwater., in plankton of meromictic lake Trekhtzvetnoe (Ivanova, 2025, pers. communication).
*Staurastrum lanceolatum W. Archer – planktonic; Verkhneye (Upper) Lake, Verkhneye Ershovskoe lake; rare (own data: Staurodesmus lanceolatus (Archer) Croasdale in Teiling).
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*''Staurastrum gracile'' Ralfs ex Ralfs – benthic, planktonic; freshwater supralittoral basins, bogs, lakes; common (own data).
*Staurastrum pelagicum W. West & G. S. West – planktonic; bogs, lakes; rare (own data).
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*''Staurastrum furcatum'' Brébisson – supralittoral basins, bogs; rare (own data).  
*Staurastrum platycerum Joshua – freshwater, Verkhneye (Upper) Lake; planktonic (Бизина, 1998); . freshwater, supralittoral basins, bogs, lakes (own data).
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*''Staurastrum inflexum'' Brébisson – freshwater, Verkhneye (Upper) Lake, Vodoprovodnoye (Potable water) Lake; planktonic (Бизина, 1998).
*Staurastrum polymorphum Brébisson ex Ralfs – benthic, planktonic; freshwater supralittoral basins, bogs, lakes; common (own data).
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*''Staurastrum lanceolatum'' W. Archer – planktonic; Verkhneye (Upper) Lake, Verkhneye Ershovskoe lake; rare (own data: Staurodesmus lanceolatus (Archer) Croasdale in Teiling).
*Staurastrum tetracerum Ralfs – planktonic; freshwater supralittoral basins, bogs, lakes; common (own data).
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*''Staurastrum pelagicum'' W. West & G. S. West – planktonic; bogs, lakes; rare (own data).
Genus Staurodesmus Teiling
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*''Staurastrum platycerum'' Joshua – freshwater, Verkhneye (Upper) Lake; planktonic (Бизина, 1998); . freshwater, supralittoral basins, bogs, lakes (own data).
*Staurodesmus brevispina (Brébisson ex Ralfs) Croasdale – planktonic, benthic; freshwater supralittoral basins, bogs, lakes; rare (own data).
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*''Staurastrum polymorphum'' Brébisson ex Ralfs – benthic, planktonic; freshwater supralittoral basins, bogs, lakes; common (own data).
*Staurodesmus connatus (P. Lundell) Thomasson – benthic; bogs; common (own data).
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*''Staurastrum tetracerum'' Ralfs – planktonic; freshwater supralittoral basins, bogs, lakes; common (own data); in plankton of meromictic lake Trekhtzvetnoe (Ivanova, 2025, personal communication).
*Staurodesmus convergens (Ehrenberg ex Ralfs) S. Lilleroth – planktonic; bogs, lakes; common (own data).
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Genus ''Staurodesmus'' Teiling
*Staurodesmus cuspidatus (Brébisson ex Ralfs) Teiling – planktonic; bogs, lakes; common (own data).
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*''Staurodesmus brevispina'' (Brébisson ex Ralfs) Croasdale – planktonic, benthic; freshwater supralittoral basins, bogs, lakes; rare (own data).
*Staurodesmus dejectus (Brébisson ex Ralfs) Teiling var. apicularis (Brébisson) Teiling – benthic, planktonic; bogs, lakes; rare (own data).
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*''Staurodesmus connatus'' (P. Lundell) Thomasson – benthic; bogs; common (own data).
*Staurodesmus dickiei (Ralfs) F. Lillieroth – planktonic, benthic; freshwater; rare (own data).
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*''Staurodesmus convergens'' (Ehrenberg ex Ralfs) S. Lilleroth – planktonic; bogs, lakes; common (own data).
*Staurodesmus incus (Brébisson) Teiling – planktonic; bogs, lakes; common, sometimes dominant (own data).
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*''Staurodesmus cuspidatus'' (Brébisson ex Ralfs) Teiling – planktonic; bogs, lakes; common (own data).
*Staurodesmus indentatus (W. West & G. S. West) Teiling – planktonic; bogs, lakes; rare (own data).
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*''Staurodesmus dejectus'' (Brébisson ex Ralfs) Teiling var. apicularis (Brébisson) Teiling – benthic, planktonic; bogs, lakes; rare (own data); in plankton of meromictic lake Trekhtzvetnoe (Ivanova, 2025, personal communication).
*Staurodesmus subpygmaeus W. West – planktonic; bogs, lakes; rare (own data).
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*''Staurodesmus dickiei'' (Ralfs) F. Lillieroth – planktonic, benthic; freshwater; rare (own data).
Genus Teilingia Bourrelly
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*''Staurodesmus incus'' (Brébisson) Teiling – planktonic; bogs, lakes; common, sometimes dominant (own data).
*Teilingia excavata (Ralfs) Bourrelly – benthic; bogs, Verkhneye (Upper) Lake; rare (own data).
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*''Staurodesmus indentatus'' (W. West & G. S. West) Teiling – planktonic; bogs, lakes; rare (own data).
*Teilingia granulata (J. Roy & Bisset) Bourrelly – benthic, planktonic; bogs, lakes; common (own data).
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*''Staurodesmus subpygmaeus'' W. West – planktonic; bogs, lakes; rare (own data).
*Teilingia spinulosa (Delp.) Bourrelly [=Sphaerozosma spinulosum Delp.] – planktonic, sporadic, Verkhneye (Upper) Lake, 4.08.2002.
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Genus ''Teilingia'' Bourrelly
*Teilingia wallichii (J. Jacobsen) Bourelly – planktonic; boggy freshwater supralittoral basin; Kastyan island; sporadic (own data: Teilingia wallichii var. wallichii).
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*''Teilingia excavata'' (Ralfs) Bourrelly – benthic; bogs, Verkhneye (Upper) Lake; rare (own data).
Teilingia wallichii var. anglica (W. West & G. S. West) Kurt Först. – planktonic, benthic; freshwater supralittoral basins, bogs, lakes; rare (own data: Teilingia wallichii var. anglica (W. & G. S.West) Palamar-Mordvintzeva).
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*''Teilingia granulata'' (J. Roy & Bisset) Bourrelly – benthic, planktonic; bogs, lakes; common (own data).
Genus Tetmemorus Ralfs ex Ralfs
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*''Teilingia spinulosa'' (Delp.) Bourrelly [=Sphaerozosma spinulosum Delp.] – planktonic, sporadic, Verkhneye (Upper) Lake, 4.08.2002.
*Tetmemorus brebissonii Ralfs ex Ralfs – benthic; bogs; common (own data).
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*''Teilingia wallichii'' (J. Jacobsen) Bourelly – planktonic; boggy freshwater supralittoral basin; Kastyan island; sporadic (own data: Teilingia wallichii var. wallichii).
*Tetmemorus granulatus Brébisson ex Ralfs – benthic, planktonic; bogs, common; common (own data).
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''Teilingia wallichii'' var. ''anglica'' (W. West & G. S. West) Kurt Först. – planktonic, benthic; freshwater supralittoral basins, bogs, lakes; rare (own data: Teilingia wallichii var. anglica (W. & G. S.West) Palamar-Mordvintzeva).
Genus Triploceras J. W. Bailey
+
Genus ''Tetmemorus'' Ralfs ex Ralfs
*Triploceras gracile Bailey – benthic; bogs, lakes; rare (own data).
+
*''Tetmemorus brebissonii'' Ralfs ex Ralfs – benthic; bogs; common (own data).
Genus Xanthidium C. G. Ehrenberg ex Ralfs
+
*''Tetmemorus granulatus'' Brébisson ex Ralfs – benthic, planktonic; bogs, common; common (own data).
*Xanthidium aculeatum Ehrenberg – benthic, planktonic; bogs, lakes; common (own data).
+
Genus ''Triploceras'' J. W. Bailey
*Xanthidium antilopaeum Kützing – benthic, planktonic; freshwater supralittoral basins, bogs, lakes; common (own data).
+
*''Triploceras gracile'' Bailey – benthic; bogs, lakes; rare (own data).
*Xanthidium armatum Rabenhorst ex Ralfs – benthic, planktonic; bogs, lakes; rare (own data).
+
Genus ''Xanthidium'' C. G. Ehrenberg ex Ralfs
*Xanthidium cristatum Brébisson ex Ralfs – benthic, planktonic; freshwater supralittoral basins, bogs, lakes; common (own data).
+
*''Xanthidium aculeatum'' Ehrenberg – benthic, planktonic; bogs, lakes; common (own data).
*Xanthidium fasciculatum Ehrenberg ex Ralfs – benthic, planktonic; bogs, lakes; common (own data).
+
*''Xanthidium antilopaeum'' Kützing – benthic, planktonic; freshwater supralittoral basins, bogs, lakes; common (own data).
 +
*''Xanthidium armatum'' Rabenhorst ex Ralfs – benthic, planktonic; bogs, lakes; rare (own data).
 +
*''Xanthidium cristatum'' Brébisson ex Ralfs – benthic, planktonic; freshwater supralittoral basins, bogs, lakes; common (own data).
 +
*''Xanthidium fasciculatum'' Ehrenberg ex Ralfs – benthic, planktonic; bogs, lakes; common (own data).
  
 
===Family Mesotaeniaceae Oltmanns===
 
===Family Mesotaeniaceae Oltmanns===
Genus Cylindrocystis Meneghini
+
Genus ''Cylindrocystis'' Meneghini
*Cylindrocystis brebissonii Meneghini – planktonic; Vodoprovodnoye (Potable water) Lake; common (own data).
+
*''Cylindrocystis brebissonii'' Meneghini – planktonic; Vodoprovodnoye (Potable water) Lake; common (own data).
*Cylindrocystis crassa de Bary – planktonic; boggy freshwater supralittoral basin; sporadic (own data).
+
*''Cylindrocystis crassa'' de Bary – planktonic; boggy freshwater supralittoral basin; sporadic (own data).
Genus Mesotaenium Nägeli
+
Genus ''Mesotaenium'' Nägeli
*Mesotaenium endlicherianum Nägeli – planktonic, benthic; bogs, lakes; common (own data).
+
*''Mesotaenium endlicherianum'' Nägeli – planktonic, benthic; bogs, lakes; common (own data).
*Mesotaenium kramstai Lemmermann – planktonic; Verkhneye (Upper) Lake; rare (own data).
+
*''Mesotaenium kramstai'' Lemmermann – planktonic; Verkhneye (Upper) Lake; rare (own data).
*Mesotaenium macrococcum (Kützing) Roy & Bisset – benthic; Krugloe lake; rare (own data).
+
*''Mesotaenium macrococcum'' (Kützing) Roy & Bisset – benthic; Krugloe lake; rare (own data).
*Mesotaenium mirificum Archer – benthic; Krugloe lake; common (own data).
+
*''Mesotaenium mirificum'' Archer – benthic; Krugloe lake; common (own data).
Genus Netrium (Nägeli) Itzigsohn & Rothe
+
Genus ''Netrium'' (Nägeli) Itzigsohn & Rothe
*Netrium digitus (Ehrenberg) Itzigsohn & Rothe – planktonic, benthic; bogs, lakes; common (own data).
+
*''Netrium digitus'' (Ehrenberg) Itzigsohn & Rothe – planktonic, benthic; bogs, lakes; common (own data).
*Netrium interruptum (Brébisson) Lütkemüller – planktonic, benthic; bogs, Verkhneye (Upper) Lake; common (own data).
+
*''Netrium interruptum'' (Brébisson) Lütkemüller – planktonic, benthic; bogs, Verkhneye (Upper) Lake; common (own data).
*Netrium oblongum (de Bary) Lütkemüller – bogs, lakes; common (own data).
+
*''Netrium oblongum'' (de Bary) Lütkemüller – bogs, lakes; common (own data).
Genus Roya W. & G. S.West
+
Genus ''Roya'' W. & G. S.West
*Roya obtusa (Brébisson) W. & G. S.West – in sphagnum, bogs, Verkhneye (Upper) Lake, Krugloe lake; common (own data).
+
*''Roya obtusa'' (Brébisson) W. & G. S.West – in sphagnum, bogs, Verkhneye (Upper) Lake, Krugloe lake; common (own data).
  
 
===Family Peniaceae Haeckel===
 
===Family Peniaceae Haeckel===
Genus Genicularia de Bary
+
Genus ''Genicularia'' de Bary
*Genicularia spirotaenia de Bary – planktonic; bogs, lakes; common (own data).
+
*''Genicularia spirotaenia'' de Bary – planktonic; bogs, lakes; common (own data).
Genus Gonatozygon de Bary
+
Genus ''Gonatozygon'' de Bary
*Gonatozygon aculeatum Hastings – planktonic; bogs, lakes; rare (own data).
+
*''Gonatozygon aculeatum Hastings – planktonic; bogs, lakes; rare (own data).
*Gonatozygon brebissonii de Bary – planktonic; bogs, lakes; common (own data).
+
*''Gonatozygon brebissonii'' de Bary – planktonic; bogs, lakes; common (own data).
Gonatozygon brebissonii var. kjellmanii (Wille) Raciborski – planktonic; bogs; rare (own data: Gonatozygon kjellmani Wille).
+
''Gonatozygon brebissonii'' var. ''kjellmanii'' (Wille) Raciborski – planktonic; bogs; rare (own data: Gonatozygon kjellmani Wille).
*Gonatozygon kinahanii (Archer) Rabenhorst – planktonic; Verkhneye (Upper) Lake, Vodoprovodnoye (Potable water) Lake; rare (own data).
+
*''Gonatozygon kinahanii'' (Archer) Rabenhorst – planktonic; Verkhneye (Upper) Lake, Vodoprovodnoye (Potable water) Lake; rare (own data).
*Gonatozygon monotaenium de Bary – planktonic; bogs, lakes; common (own data).
+
*''Gonatozygon monotaenium'' de Bary – planktonic; bogs, lakes; common (own data); in plankton of meromictic lake Trekhtzvetnoe (Ivanova, 2025, personal communication).
Genus Penium Brébisson
+
Genus ''Penium'' Brébisson
*Penium cylindrus Brébisson ex Ralfs – bogs, Vodoprovodnoye (Potable water) Lake ; common (own data).
+
*''Penium cylindrus'' Brébisson ex Ralfs – bogs, Vodoprovodnoye (Potable water) Lake ; common (own data).
*Penium polymorphum Perty – benthic, planktonic; bogs; common (own data).
+
*''Penium polymorphum'' Perty – benthic, planktonic; bogs; common (own data).
  
 
===Family Zygnemataceae Kützing===
 
===Family Zygnemataceae Kützing===
Genus Mougeotia C. Agardh
+
Genus ''Mougeotia'' C. Agardh
*Mougeotia genuflexa (Roth) C.Agardh – freshwater pool; sporadic (own data).
+
*''Mougeotia genuflexa'' (Roth) C.Agardh – freshwater pool; sporadic (own data).
Genus Spirogyra Link
+
Genus ''Spirogyra'' Link
*Spirogyra calospora Cleve – benthic; freshwater pool; WSBS settlement; sporadic (own data).
+
*''Spirogyra calospora'' Cleve – benthic; freshwater pool; WSBS settlement; sporadic (own data).
*Spirogyra crassa (Kützing) Kützing – benthic; freshwater supralittoral basin; Kislaya inlet; sporadic (own data).
+
*''Spirogyra crassa'' (Kützing) Kützing – benthic; freshwater supralittoral basin; Kislaya inlet; sporadic (own data).
*Spirogyra decimina (O. F. Müller) Link – benthic; supralittoral basins, pools; rare (own data).
+
*''Spirogyra decimina'' (O. F. Müller) Link – benthic; supralittoral basins, pools; rare (own data).
*Spirogyra grevilleana (Hassall) Kützing – benthic; Verkhneye (Upper) Lake; rare (own data).
+
*''Spirogyra grevilleana'' (Hassall) Kützing – benthic; Verkhneye (Upper) Lake; rare (own data).
*Spirogyra mirabilis (Hassall) Kützing – benthic; bogs, lakes; common (own data).
+
*''Spirogyra mirabilis'' (Hassall) Kützing – benthic; bogs, lakes; common (own data).
*Spirogyra tenuissima (Hassall) Kützing – benthic; Vodoprovodnoye (Potable water) Lake; common (own data).
+
*''Spirogyra tenuissima'' (Hassall) Kützing – benthic; Vodoprovodnoye (Potable water) Lake; common (own data).
*Spirogyra varians (Kützing) Kützing – benthic; freshwater supralittoral pools; Ermolinskaya Inlet; rare (own data).
+
*''Spirogyra varians'' (Kützing) Kützing – benthic; freshwater supralittoral pools; Ermolinskaya Inlet; rare (own data).
Genus Zygnema C. Agardh 1817
+
Genus ''Zygnema'' C. Agardh 1817
*Zygogonium ericetorum Kützing – benthic; bogs; rare (own data: Zygnema ericetorum (Roth) Hansgirg).
+
*''Zygogonium ericetorum'' Kützing – benthic; bogs; rare (own data: Zygnema ericetorum (Roth) Hansgirg).
*Zygnema pectinatum (Vaucher) C. Agardh – supralittoral basins, bogs, lakes; common (own data).
+
*''Zygnema pectinatum'' (Vaucher) C. Agardh – supralittoral basins, bogs, lakes; common (own data).
*Zygnema peliosporum Wittrock – planktonic; Verkhneye (Upper) Lake; rare (own data).
+
*''Zygnema peliosporum'' Wittrock – planktonic; Verkhneye (Upper) Lake; rare (own data).
  
 
===Family Zygnematophyceae incertae sedis===
 
===Family Zygnematophyceae incertae sedis===
Genus Spirotaenia Brébisson ex Ralfs
+
Genus ''Spirotaenia'' Brébisson ex Ralfs
*Spirotaenia bryophila (Brébisson) Lütkemüller – in sphagnum; bogs, lakes; rare (own data).
+
*''Spirotaenia bryophila'' (Brébisson) Lütkemüller – in sphagnum; bogs, lakes; rare (own data).
*Spirotaenia condensata Brébisson in Ralfs – planktonic, benthic; rare; in sphagnum; common; bogs, lakes Krugloe lake, Verkhneye (Upper) Lake (own data).
+
*''Spirotaenia condensata'' Brébisson in Ralfs – planktonic, benthic; rare; in sphagnum; common; bogs, lakes Krugloe lake, Verkhneye (Upper) Lake (own data).
Spirotaenia truncata Archer – in sphagnum; bogs, lakes; common (own data).
+
*''Spirotaenia truncata'' Archer – in sphagnum; bogs, lakes; common (own data).
  
 
[[rus: Порядок Zygnematales]]
 
[[rus: Порядок Zygnematales]]

Latest revision as of 22:48, 7 November 2025

Family Closteriaceae Bessey

Genus Closterium Nitzsch ex Ralfs

  • Closterium acerosum (Schrank) Ehrenberg ex Ralfs – planktonic, benthic; lakes; common (own data).
  • Closterium aciculare West – benthic, planktonic; Vodoprovodnoye (Potable water) Lake, Verkhneye Ershovskoe lake; sporadic (own data).
  • Closterium acutum Brébisson 1848 – freshwater, planktonic, in meromictic lake Trekhtzvetnoe (Ivanova, 2025, pers. communication).
  • Closterium ehrenbergii Meneghini – planktonic, benthic; bogs, lakes; rare (own data).
  • Closterium kuetzingii Brébisson – planktonic; bogs, lakes; common (own data).
  • Closterium leiblenii Kützing – planktonic; bogs, lakes; common (own data).
  • Closterium littorale Gay – benthic, planktonic; Verkhneye (Upper) Lake; rare (own data).
  • Closterium lunula (O. F.Müller) Nitzsch – planktonic, benthic; bogs, lakes; common (own data).
  • Closterium moniliferum (Bory) Ehrenberg – planktonic, benthic; freshwater; common (own data).
  • Closterium parvulum Nägeli – benthic, planktonic; bogs, lakes; common (own data).
  • Closterium setaceum Ehrenberg ex Ralfs – in marine plankton (Конопля, 1974); sporadically in plankton of meromictic lake Trekhtzvetnoe (Ivanova, 2025, personal communication).
  • Closterium tumidulum Gay – benthic; bogs; rare (own data).
  • Closterium venus Kützing – benthic, planktonic; bogs, lakes; common (own data); in plankton of meromictic lake Trekhtzvetnoe (Ivanova, 2025, personal communication).

Family Desmidiaceae Ralfs

Genus Actinotaenium (Nägeli) Teiling

  • Actinotaenium cucurbita (Brébisson ex Ralfs) Teiling – planktonic; bogs, lakes; common (own data).

Genus Bambusina Kützing

  • Bambusina borreri (Ralfs) Cleve – benthic, planktonic; bogs, lakes; common, sometimes dominant (own data: Bambusina brebissonii Kützing).

Genus Cosmarium Corda

  • Cosmarium botrytis Meneghini – planktonic; freshwater supralittoral basins, pools, bogs, lakes; common (own data).
  • Cosmarium brebissonii Meneghini – benthic; freshwater supralittoral basin; Rugozerskaya Bay; sporadic (own data).
  • Cosmarium depressum (Nägeli) Lundell – planktonic; bogs, lakes; common (own data); in plankton of meromictic lake Trekhtzvetnoe (Ivanova, 2025, personal communication).
  • Cosmarium granatum Brébisson – planktonic; freshwater supralittoral basins, bogs, lakes; common (own data).
  • Cosmarium meneghinii Brébisson – planktonic; supralittoral basins, bogs, lakes; common (own data).
  • Cosmarium nasutum Nordstedt – in sphagnums; Verkhneye (Upper) Lake; rare (own data).
  • Cosmarium obtusatum (Schmidle) Schmidle – planktonic; supralittoral basins, bogs, lakes; common (own data).
  • Cosmarium ochthodes Nordstedt – planktonic; freshwater; everywhere; common (own data).
  • Cosmarium praegrande Lundelll – bogs, Verkhneye (Upper) Lake; rare (own data).
  • Cosmarium pseudoretusiforme Grönblad – в выжимке из сфагновых мхов, sporadic, the bog near the Eremeevskaya bay.
  • Cosmarium punctulatum Brébisson – planktonic; brooks, boggy pools (own data).
  • Cosmarium pygmaeum Archer – planktonic; freshwater supralittoral basins, bogs, lakes; common (own data).
  • Cosmarium pyramidatum Brébisson – planktonic; freshwater; common (own data).
  • Cosmarium reniforme (Ralfs) Archer – planktonic; bogs; common (own data).
  • Cosmarium striolatum (Nägeli) Archer – planktonic; Krugloe lake; sporadic (own data).
  • Cosmarium subarctoum (Lagerheim) Raciborski – planktonic; Krugloe lake; sporadic (own data).
  • Cosmarium turgidum Brébisson – planktonic; bogs; rare (own data).
  • Cosmarium ungerianum (Nägeli) de Bary – planktonic; bogs; common (own data).

Genus Cosmocladium Brébisson

  • Cosmocladium constrictum (Archer) Joschua – planktonic; Vodoprovodnoye (Potable water) Lake; rare (own data).
  • Cosmocladium pulchellum Brébisson – planktonic, benthic; boggy pools; rare (own data).
  • Cosmocladium pusillum L. Hilse – planktonic, rare, Vodoprovodnoye (Potable water) Lake.
  • Cosmocladium saxonicum de Bary – planktonic; Vodoprovodnoye (Potable water) Lake; sporadic (own data).

Genus Desmidium C. Agardh

  • Desmidium asymmetricum Grönblad – benthic; freshwater supralittoral basins; Probkina Gubka inlet; sporadic (own data).
  • Desmidium grevillei (Kützing ex Ralfs) De Bary – planktonic, benthic; bogs, lakes; common (own data: Desmidium cylindricum Greville).
  • Desmidium swartzii (C. Agardh) C. Agardh – benthic, planktonic; freshwater supralittoral basins, bogs, lakes; common (own data).

Genus Docidium Brébisson ex Ralfs

  • Docidium baculum (Brébisson) Brébisson – benthic, planktonic; bogs, lakes; common, sometimes dominant (own data).
  • Docidium undulatum Bailey – benthic, planktonic; bogs, lakes; common (own data).

Genus Euastrum Ehrenberg

  • Euastrum bidentatum Nägeli – planktonic; bogs, lakes; common (own data); in plankton of meromictic lake Trekhtzvetnoe (Ivanova, 2025, personal communication).
  • Euastrum cf. binale' Ehrenberg ex Ralfs 1848 – freshwater, planktonic; in meromictic lake Trekhtzvetnoe (Ivanova, 2025, pers. communication).
  • Euastrum divaricatum Lundell – planktonic, benthic; bogs, lakes; common (own data).
  • Euastrum elegans (Brébisson in Meneghini) Kützing – planktonic, benthic; bogs, lakes; common (own data).
  • Euastrum oblongum (Greville in Hooker) Ralfs – planktonic; bogs, lakes; rare (own data).
  • Euastrum pectinatum (Brébisson) Brébisson – planktonic; Verkhneye (Upper) Lake; common; bogs; rare (own data).
  • Euastrum verrucosum Ehrenberg – planktonic; bogs, lakes; common (own data).

Genus Haplotaenium T. Bando

  • Haplotaenium minutum (Ralfs) Bando – benthic, planktonic; bogs, lakes; rare (own data: Pleurotaenium minutum (Ralfs) Hilse).

Genus Heimansia Coesel

  • Heimansia pusilla (L. Hilse) Coesel – planktonic; Vodoprovodnoye (Potable water) Lake; rare (own data: Cosmocladium pusillum Hilse).

Genus Hyalotheca Ehrenberg

  • Hyalotheca dissiliens (Smith) Brébisson – planktonic; bogs, lakes; common (own data).
  • Hyalotheca mucosa Ralfs – benthic, planktonic; boggy pools, lakes; common (own data Hyalotheca mucosa (Dillwyn) Ehrenberg).

Genus Micrasterias C. Agardh

  • Micrasterias crux-melitensis (Ehrenberg) Trevisan – planktonic; bogs, lakes; common (own data).
  • Micrasterias papillifera Brébisson – planktonic; bogs, lakes; common (own data).
  • Micrasterias rotata (Greville) Ralfs – planktonic; bogs near the WSBS power line swath; sporadic (own data).
  • Micrasterias truncata Ralfs – planktonic; bogs, lakes; common (own data: Micrasterias truncata (Corda) Brébisson); in plankton of meromictic lake Trekhtzvetnoe (Ivanova, 2025, personal communication).

Genus Pleurotaenium Nägeli

  • Pleurotaenium ehrenbergii (Ralfs) Delponte – bogs, lakes; common (own data).
  • Pleurotaenium nodosum (Bailey) Lundell – benthic, planktonic; bogs, lakes; rare (own data).

Genus Sphaerozosma Corda ex Ralfs

  • Sphaerozosma aubertianum West – benthic, planktonic; bogs, lakes; common (own data).
  • Sphaerozosma commiscuum (Skuja) Palamar-Mordvintzeva [=Sphaerozosma excavatum Ralfs var. commiscuum Skuja] – benthic, sporadic, the bog near the Krugloe lake.
  • Sphaerozosma filiforme (Ehrenberg) Bourrelly – planktonic; bogs, Verkhneye (Upper) Lake, Verkhneye Ershovskoe lake; rare (own data).
  • Sphaerozosma vertebratum Brébisson ex Ralfs – benthic; a bog near the Verkhneye Ershovskoe lake; sporadic (own data).

Genus Spondylosium Brébisson ex Kützing

  • Spondylosium planum (Wolle) W. West & G. S. West – planktonic; freshwater supralittoral basins, bogs, lakes; common (own data).
  • Spondylosium pulchellum W. Archer – in sphagnums; the bog near the Verkhneye (Upper) Lake; rare (own data).
  • Spondylosium pulchrum (Bailey) W. Archer. – planktonic, benthic; Nizhneye Ershovskoe lake, the bog near it; rare (own data).

Genus Staurastrum (Meyen) Ralfs

  • Staurastrum alternans Brébisson 1848 – freshwater., in plankton of meromictic lake Trekhtzvetnoe (Ivanova, 2025, pers. communication).
  • Staurastrum crenulatum (Nägeli) Delponte 1877 – freshwater., in plankton of meromictic lake Trekhtzvetnoe (Ivanova, 2025, pers. communication).
  • Staurastrum gracile Ralfs ex Ralfs – benthic, planktonic; freshwater supralittoral basins, bogs, lakes; common (own data).
  • Staurastrum furcatum Brébisson – supralittoral basins, bogs; rare (own data).
  • Staurastrum inflexum Brébisson – freshwater, Verkhneye (Upper) Lake, Vodoprovodnoye (Potable water) Lake; planktonic (Бизина, 1998).
  • Staurastrum lanceolatum W. Archer – planktonic; Verkhneye (Upper) Lake, Verkhneye Ershovskoe lake; rare (own data: Staurodesmus lanceolatus (Archer) Croasdale in Teiling).
  • Staurastrum pelagicum W. West & G. S. West – planktonic; bogs, lakes; rare (own data).
  • Staurastrum platycerum Joshua – freshwater, Verkhneye (Upper) Lake; planktonic (Бизина, 1998); . freshwater, supralittoral basins, bogs, lakes (own data).
  • Staurastrum polymorphum Brébisson ex Ralfs – benthic, planktonic; freshwater supralittoral basins, bogs, lakes; common (own data).
  • Staurastrum tetracerum Ralfs – planktonic; freshwater supralittoral basins, bogs, lakes; common (own data); in plankton of meromictic lake Trekhtzvetnoe (Ivanova, 2025, personal communication).

Genus Staurodesmus Teiling

  • Staurodesmus brevispina (Brébisson ex Ralfs) Croasdale – planktonic, benthic; freshwater supralittoral basins, bogs, lakes; rare (own data).
  • Staurodesmus connatus (P. Lundell) Thomasson – benthic; bogs; common (own data).
  • Staurodesmus convergens (Ehrenberg ex Ralfs) S. Lilleroth – planktonic; bogs, lakes; common (own data).
  • Staurodesmus cuspidatus (Brébisson ex Ralfs) Teiling – planktonic; bogs, lakes; common (own data).
  • Staurodesmus dejectus (Brébisson ex Ralfs) Teiling var. apicularis (Brébisson) Teiling – benthic, planktonic; bogs, lakes; rare (own data); in plankton of meromictic lake Trekhtzvetnoe (Ivanova, 2025, personal communication).
  • Staurodesmus dickiei (Ralfs) F. Lillieroth – planktonic, benthic; freshwater; rare (own data).
  • Staurodesmus incus (Brébisson) Teiling – planktonic; bogs, lakes; common, sometimes dominant (own data).
  • Staurodesmus indentatus (W. West & G. S. West) Teiling – planktonic; bogs, lakes; rare (own data).
  • Staurodesmus subpygmaeus W. West – planktonic; bogs, lakes; rare (own data).

Genus Teilingia Bourrelly

  • Teilingia excavata (Ralfs) Bourrelly – benthic; bogs, Verkhneye (Upper) Lake; rare (own data).
  • Teilingia granulata (J. Roy & Bisset) Bourrelly – benthic, planktonic; bogs, lakes; common (own data).
  • Teilingia spinulosa (Delp.) Bourrelly [=Sphaerozosma spinulosum Delp.] – planktonic, sporadic, Verkhneye (Upper) Lake, 4.08.2002.
  • Teilingia wallichii (J. Jacobsen) Bourelly – planktonic; boggy freshwater supralittoral basin; Kastyan island; sporadic (own data: Teilingia wallichii var. wallichii).

Teilingia wallichii var. anglica (W. West & G. S. West) Kurt Först. – planktonic, benthic; freshwater supralittoral basins, bogs, lakes; rare (own data: Teilingia wallichii var. anglica (W. & G. S.West) Palamar-Mordvintzeva). Genus Tetmemorus Ralfs ex Ralfs

  • Tetmemorus brebissonii Ralfs ex Ralfs – benthic; bogs; common (own data).
  • Tetmemorus granulatus Brébisson ex Ralfs – benthic, planktonic; bogs, common; common (own data).

Genus Triploceras J. W. Bailey

  • Triploceras gracile Bailey – benthic; bogs, lakes; rare (own data).

Genus Xanthidium C. G. Ehrenberg ex Ralfs

  • Xanthidium aculeatum Ehrenberg – benthic, planktonic; bogs, lakes; common (own data).
  • Xanthidium antilopaeum Kützing – benthic, planktonic; freshwater supralittoral basins, bogs, lakes; common (own data).
  • Xanthidium armatum Rabenhorst ex Ralfs – benthic, planktonic; bogs, lakes; rare (own data).
  • Xanthidium cristatum Brébisson ex Ralfs – benthic, planktonic; freshwater supralittoral basins, bogs, lakes; common (own data).
  • Xanthidium fasciculatum Ehrenberg ex Ralfs – benthic, planktonic; bogs, lakes; common (own data).

Family Mesotaeniaceae Oltmanns

Genus Cylindrocystis Meneghini

  • Cylindrocystis brebissonii Meneghini – planktonic; Vodoprovodnoye (Potable water) Lake; common (own data).
  • Cylindrocystis crassa de Bary – planktonic; boggy freshwater supralittoral basin; sporadic (own data).

Genus Mesotaenium Nägeli

  • Mesotaenium endlicherianum Nägeli – planktonic, benthic; bogs, lakes; common (own data).
  • Mesotaenium kramstai Lemmermann – planktonic; Verkhneye (Upper) Lake; rare (own data).
  • Mesotaenium macrococcum (Kützing) Roy & Bisset – benthic; Krugloe lake; rare (own data).
  • Mesotaenium mirificum Archer – benthic; Krugloe lake; common (own data).

Genus Netrium (Nägeli) Itzigsohn & Rothe

  • Netrium digitus (Ehrenberg) Itzigsohn & Rothe – planktonic, benthic; bogs, lakes; common (own data).
  • Netrium interruptum (Brébisson) Lütkemüller – planktonic, benthic; bogs, Verkhneye (Upper) Lake; common (own data).
  • Netrium oblongum (de Bary) Lütkemüller – bogs, lakes; common (own data).

Genus Roya W. & G. S.West

  • Roya obtusa (Brébisson) W. & G. S.West – in sphagnum, bogs, Verkhneye (Upper) Lake, Krugloe lake; common (own data).

Family Peniaceae Haeckel

Genus Genicularia de Bary

  • Genicularia spirotaenia de Bary – planktonic; bogs, lakes; common (own data).

Genus Gonatozygon de Bary

  • Gonatozygon aculeatum Hastings – planktonic; bogs, lakes; rare (own data).
  • Gonatozygon brebissonii de Bary – planktonic; bogs, lakes; common (own data).

Gonatozygon brebissonii var. kjellmanii (Wille) Raciborski – planktonic; bogs; rare (own data: Gonatozygon kjellmani Wille).

  • Gonatozygon kinahanii (Archer) Rabenhorst – planktonic; Verkhneye (Upper) Lake, Vodoprovodnoye (Potable water) Lake; rare (own data).
  • Gonatozygon monotaenium de Bary – planktonic; bogs, lakes; common (own data); in plankton of meromictic lake Trekhtzvetnoe (Ivanova, 2025, personal communication).

Genus Penium Brébisson

  • Penium cylindrus Brébisson ex Ralfs – bogs, Vodoprovodnoye (Potable water) Lake ; common (own data).
  • Penium polymorphum Perty – benthic, planktonic; bogs; common (own data).

Family Zygnemataceae Kützing

Genus Mougeotia C. Agardh

  • Mougeotia genuflexa (Roth) C.Agardh – freshwater pool; sporadic (own data).

Genus Spirogyra Link

  • Spirogyra calospora Cleve – benthic; freshwater pool; WSBS settlement; sporadic (own data).
  • Spirogyra crassa (Kützing) Kützing – benthic; freshwater supralittoral basin; Kislaya inlet; sporadic (own data).
  • Spirogyra decimina (O. F. Müller) Link – benthic; supralittoral basins, pools; rare (own data).
  • Spirogyra grevilleana (Hassall) Kützing – benthic; Verkhneye (Upper) Lake; rare (own data).
  • Spirogyra mirabilis (Hassall) Kützing – benthic; bogs, lakes; common (own data).
  • Spirogyra tenuissima (Hassall) Kützing – benthic; Vodoprovodnoye (Potable water) Lake; common (own data).
  • Spirogyra varians (Kützing) Kützing – benthic; freshwater supralittoral pools; Ermolinskaya Inlet; rare (own data).

Genus Zygnema C. Agardh 1817

  • Zygogonium ericetorum Kützing – benthic; bogs; rare (own data: Zygnema ericetorum (Roth) Hansgirg).
  • Zygnema pectinatum (Vaucher) C. Agardh – supralittoral basins, bogs, lakes; common (own data).
  • Zygnema peliosporum Wittrock – planktonic; Verkhneye (Upper) Lake; rare (own data).

Family Zygnematophyceae incertae sedis

Genus Spirotaenia Brébisson ex Ralfs

  • Spirotaenia bryophila (Brébisson) Lütkemüller – in sphagnum; bogs, lakes; rare (own data).
  • Spirotaenia condensata Brébisson in Ralfs – planktonic, benthic; rare; in sphagnum; common; bogs, lakes Krugloe lake, Verkhneye (Upper) Lake (own data).
  • Spirotaenia truncata Archer – in sphagnum; bogs, lakes; common (own data).

rus: Порядок Zygnematales