Gamophyceae:
Zygnematales: Desmidiaceae
Staurastrum asterias
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 asterias Nygaard var asterias,
cell body μm long, μm wide,
x 640, O-ike (pond), O-ike park, Yabuki town, Fukushima Pref., Japan, August 2003, by Y. Tsukii
31 μm
63 μm
94 μm; x 640
Staurastrum asterias Nygaard var asterias,
cell body μm long, μm wide, with 6 arm-like projections,
x 640, O-ike (pond), O-ike park, Yabuki town, Fukushima Pref., Japan, August 2003, by Y. Tsukii
31 μm
63 μm
94 μm; x 640
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