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: cell body excluding spines 32-42 μm long, 34-39 μm wide (without spines), constriction 11-167 μm wide, (Illustrations of The Japanese Fresh-water Algae, 1977)
Google Image Search
S. bifidum μm Kareki-numa Nikko Tochigi, 2008 |
S. bifidum μm Kashibaru m.4 Karatsu Saga, 2008  |
Staurastrum sp. S. bifidum ? 27 x 30 μm Kabuto-yama Nishi-no-miya Hyogo, 2004 |
S. bifidum ? with spines x 31 μm Hiroshima, 1998
|
