Gamophyceae:
Zygnematales: Desmidiaceae
Staurastrum lunatum
Ralfs
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: lacks arm-like projections
(Illustrations of The Japanese Fresh-water Algae, 1977)
Species:
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Similar species -->>
S. connatum;
Staurastrum lunatum Ralfs (Granuliformes),
cell body ?? μm long, 33 μm wide, L/W=, isthmus 11 μm wide,
x 640, Dojo-ike (pond), Norikura highland, Azumi, Matsumoto city (formerly Azumi village), Nagano Pref., Japan, June 8, 2006 by Y. Tsukii
31 μm
63 μm
94 μm; x 640
Staurastrum lunatum Ralfs,
cell body 30 μm long, 30 μm wide, L/W=1.0, isthmus 12 μm wide,
x 640, Dojo-ike (pond), Norikura highland, Azumi, Matsumoto city (formerly Azumi village), Nagano Pref., Japan, June 8, 2006 by Y. Tsukii
31 μm
63 μm
94 μm; x 640
Images of collecting locality:
Dojo-ike (pond), Norikura highland, Azumi, Matsumoto city (formerly Azumi village), Nagano Pref., Japan, June 8, 2006 by Y. Tsukii
Please click on images for viewing enlarged
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