Chlorophyceae: Chlorococcales: Chlorococcaceae

 Chlorococcum sp.

Chlorococcum Genus: Subaerial algae; cell body without gelatinous coat; a single chloroplast cup-shaped with a pyrenoid (Illustrations of The Japanese Fresh-water Algae, 1977).
Species:

Chlorococcum sp., cell body spherical or slightly ellipsoidal, μm long, μm wide, zoospore formation, zoospores ellipsoidal in shape, 8-8.5 μm long, 4-5 μm wide, x 400, x 640, Torinome road, Nasu-shiobara city (formerly Kuroiso city), Tochigi Pref., Japan, August 1998 by Y. Tsukii
50 μm 100 μm 150 μm; x 400 : 31 μm 63 μm 94 μm; x 640

Chlorococcales sp., x400, x 640, by Y. Tsukii
50 μm 100 μm 150 μm; x 400 : 31 μm 63 μm 94 μm; x 640

Chlorococcales sp., x400, x 640, by Y. Tsukii
50 μm 100 μm 150 μm; x 400 : 31 μm 63 μm 94 μm; x 640

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