Genus:
Cell body short, radiate in shape; apical view of the cell, triangular, polygonal,
ellipsoidal or spindle-shaped; zygospores formed outside of mother cells
(Illustrations of The Japanese Fresh-water Algae, 1977)
Subgenus: lacks arm-like projections
(Illustrations of The Japanese Fresh-water Algae, 1977)
Species:
Staurastrum wandae Raciborski var. brevispinum Grönblad,
cell body 22 μm long, 22 μm wide, L/W=1.0, isthmus 13 μm wide,
x 640, No. 5-1, Midagahara (bog/marsh), Tate-yama (Moutain), Tateyama town, Toyama Pref., Japan, August 23, 2006, by Y. Tsukii 31 μm
63 μm
94 μm; x 640
Cell body 22 μm long, 22 μm wide, L/W=1.0, isthmus 13 μm wide, x 640
Images of collecting locality:
No. 5, Midagahara (bog/marsh), Tate-yama (Moutain), Tateyama town, Toyama Pref., Japan, August 23, 2006, by Y. Tsukii