| Freshwater Algae
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Census of Freshwater Algae in Australia Compiled and edited by Tim Entwisle and Lucy Nairn. |
| Cosmarium speciosum P.Lundell var. speciosum | Class Zygnematophyceae Family Desmidiaceae |
Synonyms: Cosmarium speciosum f. genuina Maskell AlgaeBase*
Disphinctium speciosum f. genuina Maskell AlgaeBase*
Description: L 69.0um, Br. 50.1um, Isth 17.9um, Th 29.8um, L:Br 1.38. Plants have three intramarginal rows of crenulae and reduce in size to single granules towards the smooth centre. There are nine lateral and four apical crenations and a single row of five or six granules across the base but just above the isthmus. the L:Br ratio was slightly shorter than other cells published in the literature. (Dingley 2003)
State distribution in Australia, based on available literature
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