Family: Unicells; cell body spherical, ellipsoidal, or spindle-shaped; without spiny projections or stipes (Illustrations of The Japanese Fresh-water Algae, 1977).
Genus: Cell body spherical, with many small disc-shaped chloroplasts (Illustrations of The Japanese Fresh-water Algae, 1977).
Google Image Search
Similar genus -->> ;
B. arhiza
13 μm φ
Sendabori
Chiba, 2002
B. arhiza
stock Cms-1
μm
Sendabori
Chiba, 2002
B. arhiza ?
35 x 25 μm
Yokonuma
Sakado
Saitama, 2004
B. arhiza ?
15-26 μm
Akebono marsh
Tsuchiyu-onsen
Fukushima, 2005
B. intercedens ?
47 x 37 μm
Fukasaku-gawa Yusuichi
Saitama, 2002
Botrydiopsis sp. ?
10-23 μm φ
near Town Hall
Shobu
Saitama, 2004
Botrydiopsis sp. ?
μm φ
Tsukamoto
Sakura-ku
Saitama, 2004