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Gamophyceae: Zygnematales: Desmidiaceae

Cosmarium ozense
Hirano

Cosmarium ozense Genus: Unicellular; variable in shape; a constriction at the center of the cell body; mostly longer than wide; flattened; each semicell hemispherical, spherical, ellipsoidal, rectangular, pyramidal or kidney-shaped; no apical indentation (Illustrations of The Japanese Fresh-water Algae, 1977).
Species:


Cosmarium ozense Hirano ?, cell body 22 μm long, 18 μm wide, x400, x 640, Hiroshima Pref., Japan, October 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
Cosmarium Cosmarium


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