Genus: Arrangement of 4 daughter cells flat and rectangular in shape, forming composite coenobium;
without gelatinous sheaths, no hairly projections (Illustrations of the Japanese Freshwater Algae, 1977).
Species: |
31 μm
63 μm
94 μm; x 640
Images of collecting locality:
No.1, Karayama-ike (water reservoir), Nabekura highland, Iiyama city, Nagano Pref., October 19, 2008, by Y. Tsukii
