Phylum: Charophyta Family: Desmidiaceae
Cosmarium eichlerianum (Grönblad) Messikommer 1957
A species with a complicated taxonomy, see Kouwets (in manuscript). It would appear to be widely distributed in Europe but of rare occurrence. It is found in mesotrophic waters such as shallow loch-margins and moorland pools.
Messikommer, E. (1957) Algen aus den Ötztaler Alpen.
Kouwets, F.A.C. (in manuscript) European Flora of the Desmid Genus Cosmarium.