Genus: Cells aggregate irregular in shape; cells connected by thin filaments;
cell body ovoid, 6-10 μm long, 3-6 μm width; a chloroplast plate-like
(Illustrations of The Japanese Fresh-water Algae, 1977).
Species:
Botryococcus braunii Kützing,
colony 55 μm long, 38 μm wide,
x 640, Kabuto-yama sizen-kansatsu ike (pond), Kabuto-yama, Nishi-no-miya city, Hyogo Pref., Japan, September 10, 2004 by Y. Tsukii
31 μm
63 μm
94 μm; x 640