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Gamophyceae: Zygnematales: Desmidiaceae

 Staurastrum bibrachatum
Reinsch emend. Grönblad & Scott

Staurastrum 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: with arm-like projections (Illustrations of The Japanese Fresh-water Algae, 1977)
Species:

Staurastrum bibrachatum Reinsch emend. Grönblad & Scott, cell body 31 μm long, 32 μm wide, L/W=1.0, isthmus 4.5 μm wide, x 640, a small pond at Obihiro University of Agriculture and Veterinary Medicine, Obihiro city, Hokkaido, Japan, October 13, 2005 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Staurastrum bibrachatum Staurastrum bibrachatum Staurastrum bibrachatum
Staurastrum bibrachatum

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