Gamophyceae:
Zygnematales: Desmidiaceae
Staurastrum pseudosebaldi
Wille
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
50 μm
100 μm
150 μm; x 400 :
31 μm
63 μm
94 μm; x 640
Staurastrum sp, x400, x 640, by Y Tsukii
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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