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Gamophyceae: Zygnematales: Desmidiaceae

Staurastrum pseudosebaldi
Wille

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:

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Staurastrum pseudosebaldi Wille, cell body μm long, μm wide, x400, x 640, Hiroshima University, 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 pseudosebaldi Staurastrum pseudosebaldi Staurastrum pseudosebaldi

Staurastrum sp, x400, x 640, by Y Tsukii
Staurastrum Staurastrum

Staurastrum pseudosebaldi var simplicius W West: Body with arms 322 μm long, 51-52 μm wide, constriction 86 μm wide; body length slightly shorter than width; arm-like projections of hemicells short, 3 spines at each terminal; small spines aligned at apex; 3 spines at terminal of the arm-like projections (Illustrations of The Japanese Fresh-water Algae, 1977)


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