Family: Irregularly branched filament; many chloroplasts along cell wall.
Genus: Same as Family (Illustrations of The Japanese Fresh-water Algae, 1977).
Species:
Vaucheria geminata ??,
cell body μm long, μm wide,
x 100, x 200, x 400, x 640, Saitama Pref., Japan, October 1999, by Y. Tsukii
50 μm
100 μm
150 μm; x 400