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Gamophyceae: Zygnematales: Desmidiaceae

 Staurastrum pseudosebaldi
Wille

Staurastrum pseudosebaldi 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 pseudosebaldi Wille, cell body 20 μm long, 33 μm wide (including arms), L/W=0.6, isthmus 6.5 μm wide, x 640, Saiko (Lake Sai), Doman Green Park, Toda city, Saitama Pref., Japan, November 20, 2005 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Staurastrum pseudosebaldi Staurastrum pseudosebaldi Staurastrum pseudosebaldi Staurastrum pseudosebaldi

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