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Gamophyceae: Zygnematales: Desmidiaceae

 Staurastrum sexangulare
var subglabrum W et GS West

Staurastrum sexangulare Genus: Subgenus: with arm-like projections (Illustrations of The Japanese Fresh-water Algae, 1977)
Section: Hoplastrum (Apexes of semicells with projections; arm-like projections granulated or dented).
Species: cell body excluding spines 28-44 μm long, 62-73 μm wide (with spines), constriction 85-15 μm wide, (Illustrations of The Japanese Fresh-water Algae, 1977)

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Staurastrum sexangulare var subglabrum ?, cell body excluding spines 43 μm long, 35 μm wide (without spines), 70 μm wide (with spines), constriction 20 μm wide, x 400, x 640, Hiroshima University, Higashi-Hiroshima city, Hiroshima Pref., Japan, September 28, 1998 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 Staurastrum

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