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Gamophyceae: Zygnematales: Desmidiaceae

Staurastrum acanthastrum
W. et G.S. West

Staurastrum 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 acanthastrum W. et G.S. West, cell body μm long, μm wide, L/W=, isthmus μm wide, x 640, Water reservoir at South of Bonten-yama (a moutain), Nakatsugawa city, Gifu Pref., Japan, November 4, 2008 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Staurastrum acanthastrum Staurastrum acanthastrum Staurastrum acanthastrum Staurastrum acanthastrum Staurastrum acanthastrum Staurastrum acanthastrum

Images of collecting locality: Water reservoir at South of Bonten-yama (a moutain), Nakatsugawa city, Gifu Pref., Japan, November 4, 2008 by Y. Tsukii


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