Cosmarium tetragonum | |
---|---|
Scientific classification | |
(unranked): | Viridiplantae |
(unranked): | Charophyta |
Class: | Zygnematophyceae |
Order: | Desmidiales |
Family: | Desmidiaceae |
Genus: | Cosmarium |
Species: | C. tetragonum
|
Binomial name | |
Cosmarium tetragonum | |
Varieties | |
Cosmarium tetragonum var. elegans (Roy & Bisset) West & G.S.West 1908 [2] (syn. C. elegans) | |
Synonyms | |
Euastrum tetragonum Nägeli |
Cosmarium tetragonum is a species of green algae in the family Desmidiaceae. It is a freshwater species with a worldwide distribution.
The nominate variety (var. tetragonum) is about 35 to 48 μm long, and 20 to 26 μm wide, 14 to 18 μm thick, with an isthmus about 6 to 12 μm long. Semicells are roughly rectangular in outline, with undulate margins; each side has about four bumps and the top side has about two bumps. [3]
Cosmarium tetragonum is variable and several varieties have been described. They are:
Cosmarium tetragonum | |
---|---|
Scientific classification | |
(unranked): | Viridiplantae |
(unranked): | Charophyta |
Class: | Zygnematophyceae |
Order: | Desmidiales |
Family: | Desmidiaceae |
Genus: | Cosmarium |
Species: | C. tetragonum
|
Binomial name | |
Cosmarium tetragonum | |
Varieties | |
Cosmarium tetragonum var. elegans (Roy & Bisset) West & G.S.West 1908 [2] (syn. C. elegans) | |
Synonyms | |
Euastrum tetragonum Nägeli |
Cosmarium tetragonum is a species of green algae in the family Desmidiaceae. It is a freshwater species with a worldwide distribution.
The nominate variety (var. tetragonum) is about 35 to 48 μm long, and 20 to 26 μm wide, 14 to 18 μm thick, with an isthmus about 6 to 12 μm long. Semicells are roughly rectangular in outline, with undulate margins; each side has about four bumps and the top side has about two bumps. [3]
Cosmarium tetragonum is variable and several varieties have been described. They are: