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Gamophyceae: Zygnematales: Desmidiaceae

 Staurastrum wandae
Raciborski var. brevispinum Grönblad

Staurastrum wandae 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:

Staurastrum wandae Raciborski var. brevispinum Grönblad, cell body 22 μm long, 22 μm wide, L/W=1.0, isthmus 14 μm wide, x 640, Japanese Skunk Cabbage marsh, Tsugaike highland (Tsugaike Natural Park), Otari village, Nagano Pref., Japan, August 11, 2006 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Staurastrum Staurastrum Staurastrum Staurastrum Staurastrum Staurastrum

Images of collecting locality: Japanese Skunk Cabbage marsh, Tsugaike highland (Tsugaike Natural Park), Otari village, Nagano Pref., Japan, August 11, 2006 by Y. Tsukii

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