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Gamophyceae: Zygnematales: Desmidiaceae

 Staurastrum pseudosebaldi
var. basidenticulatum Hinode

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 var. basidenticulatum Hinode, cell body 42 μm long, 50 μm wide, L/W=, isthmus 10 μm wide, x 640, No.5, Tashirodaira marsh, Hakkoda mountain, Aomori city, Aomori Pref., Japan, September 13, 2006 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Staurastrum pseudosebaldi Staurastrum pseudosebaldi Staurastrum pseudosebaldi Staurastrum pseudosebaldi Staurastrum pseudosebaldi

Images of collecting locality: No.5, Tashirodaira marsh, Hakkoda mountain, Aomori city, Aomori Pref., Japan, September 13, 2006 by Y. Tsukii

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