Family: Unicells or colonies of non-fixed number of cells; cell body variable in shape; one or more chloroplasts variable in shape; asexual reproduction by autospore or autocoenobium (Illustrations of The Japanese Fresh-water Algae, 1977).
Genus:
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Similar genus -->> Closterium;
Closteriopsis sp.
cell μm
Omine-numa
Tsukiyono
Gunma, 2003
