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Gamophyceae: Zygnematales: Desmidiaceae

 Staurastrum varians
Raciborski f. truncata Gutwinski

Staurastrum varians 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. punctulatum;

Staurastrum varians Raciborski f. truncata Gutwinski or S. punctulatum ?, cell body 31 μm long, 28 μm wide, L/W=1.1, x 640, rice field, Senuki, Takaku-kou, Nasu town, Tochigi Pref., Japan, October 31, 2004 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Staurastrum Staurastrum Staurastrum

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