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:
Similar species -- >>S. avicula;
Staurastrum subavicula W. et G.S. West ??,
cell body 25 μm long, 25 μm wide, L/W=1.0, isthmus 9 μm wide,
x 640, a small marsh pond near memorial pole of Saito Mokichi (close to Iroha-numa), Zao mountain, Yamagata city, Yamagata Pref., Japan, August 2, 2006 by Y. Tsukii
31 μm
63 μm
94 μm; x 640
Images of collecting locality:
a small marsh pond near memorial pole of Saito Mokichi (close to Iroha-numa), Zao mountain, Yamagata city, Yamagata Pref., Japan, August 2, 2006 by Y. Tsukii