Family: Filamentous algae without branching; cell body cylindrical; chloroplasts band-, plate- or star-shaped (Illustrations of The Japanese Fresh-water Algae, 1977).
Genus: (Illustrations of The Japanese Fresh-water Algae, 1977).
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Similar genus -->> Zygnema;
Zygnemopsis sp.
μm
rice field
Omachi
Nagano, 2007
Zygnemopsis sp.
μm
rice field
Omachi
Nagano, 2008