154,275 species and infraspecific names are in the database, 21,059 images, 59,714 bibliographic items, 415,636 distributional records.

Taxonomy Browser

Genus: Desmidium

Higher Taxonomy

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Rank

Name

Authority  

# Species

 

Empire

Eukaryota

Chatton  

45,023

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Kingdom

Plantae

Haeckel  

18,829

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Subkingdom

Viridiplantae

Cavalier-Smith  

11,471

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Infrakingdom

Streptophyta infrakingdom

C.Jeffrey  

4,838

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Phylum

Charophyta

Migula  

4,838

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Class

Conjugatophyceae (Zygnematophyceae)

Engler  

4,084

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Order

Desmidiales

C.E.Bessey  

2,886

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Family

Desmidiaceae

Ralfs  

2,620

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Genus

Desmidium

C.Agardh ex Ralfs  

19

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Subordinate taxa

Rank

Name

Authority  

Fossil

# Species

 

Variety

acutius

Nordstedt  

 

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Species

aequale

West & G.S.West  

 

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Variety

amblyodon

(Itzigsohn) Rabenhorst  

 

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Species

aprogonum

Brébisson  

 

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Variety

aptogonum

Kisselev  

 

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Variety

aptogonum

Roll  

 

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Forma

aptogonum

A.M.Scott & Grönblad  

 

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Species

aptogonum

Brébisson ex Kützing  

 

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Forma

aptogonum

Messikommer  

 

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Variety

aptogonum

W.R.Taylor  

 

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Species

asymmetricum

Grönblad  

 

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Forma

baileyi

W.B.Turner  

 

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Species

baileyi

(Ralfs) Nordstedt  

 

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Variety

baileyi

Nordstedt  

 

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Variety

baileyi

P.Bourrelly & A.Couté  

 

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Forma

baileyi

W.B.Turner  

 

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Species

bengalicum

W.B.Turner  

 

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Forma

bengalicum

A.M.Scott & Prescott  

 

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Species

bispinosum

Corda  

 

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Variety

cambricum

West  

 

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Species

coarctatum

Nordstedt  

 

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Variety

coelatum

(Kirchner) Nordstedt  

 

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Variety

cylindricum

Raciborski  

 

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Variety

ehrenbergii

Kützing  

 

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Species

elegans

(Raciborski) Grönblad  

 

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Forma

gemima

Nordstedt  

 

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Forma

gracile

A.M.Scott & Grönblad  

 

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Species

graciliceps

(Nordstedt) Lagerheim  

 

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Species

grevillei

(Kützing ex Ralfs) De Bary  

 

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Forma

indicum

W.B.Turner  

 

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Species

laticeps

Nordstedt  

 

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Variety

laticeps

Nordstedt  

 

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Forma

longiprocessum

A.M.Scott & Prescott  

 

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Species

madagascariense

P.Bourrelly & A.Couté  

 

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Forma

minus

W.B.Turner  

 

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Variety

minus

Wallich ex W.B.Turner  

 

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Variety

occidentale

Skuja  

 

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Species

occidentale

West & G.S.West  

 

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Forma

ovale

Kisselev  

 

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Species

pseudostreptonema

West & G.S.West  

 

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Forma

punctatum

Fritsch & M.F.Rich  

 

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Species

quadrangulatum

Ralfs ex Ralfs  

 

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Variety

quadratum

Schaarschmidt  

 

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Species

quadratum

Nordstedt  

 

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Forma

quinquagulare

Scott ex Croasdale  

 

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Species

suboccidentale

A.M.Scott & Prescott  

 

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Species

swartzii

C.Agardh ex Ralfs  

 

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Variety

swartzii

A.M.Scott & Prescott  

 

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Forma

tetragonum

Nordstedt  

 

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Species

undulatum

Corda  

 

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Variety

undulatum

(Maskell) Nordstedt  

 

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