Subgenus: With arm-like projections
(Illustrations of The Japanese Fresh-water Algae, 1977)
Species: Cell body 25-36 μm long, 25-36 μm wide (including spines),
isthmus 8.4-9.7 μm wide; constriction medium, bay-opening large;
(Illustrations of The Japanese Fresh-water Algae, 1977)
Staurastrum brachiatum Ralfs,
cell body 30 μm long, 35 μm wide, isthmus 9 μm wide (including arms),
x 640, Karakemi marsh, Yasaka, Omachi city (formerly Yasaka village), Nagano Pref., Japan, May 8, 2006 by Y. Tsukii
31 μm
63 μm
94 μm; x 640
Images of collecting locality:
Karakemi marsh, Yasaka, Omachi city (formerly Yasaka village), Nagano Pref., Japan, May 8, 2006 by Y. Tsukii