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Gamophyceae: Zygnematales: Desmidiaceae

 Staurastrum dilatatum
Ehrenberg ex Ralfs var. dilatatum

Staurastrum dilatatum 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 dilatatum Ehrenberg ex Ralfs var. dilatatum, cell body μm long, μm wide, x 640, Sai-ko, Nishi-Urawa, Saitama Pref, Japan, June 2001 by Y Tsukii
scale 50 μm scale 100 μm scale 150 μm; x 400 : scale 31 μm scale 63 μm scale 94 μm; x 640
Staurastrum Staurastrum Staurastrum Staurastrum
Staurastrum Staurastrum

Staurastrum, x 640, Green-Park, Nishi-Urawa, Saitama Pref, Japan, June 2001 by Y Tsukii
Staurastrum Staurastrum Staurastrum

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