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Gamophyceae: Zygnematales: Desmidiaceae

Cosmarium elegantissimum
f. minor W. et G.S. West

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.
Subgenus: Cell body cylindrical or dumbbell-shaped, dorso-ventrally not compressed, transverse section circular (Illustrations of The Japanese Fresh-water Algae, 1977).
Cosmarium elegantissimum
C. elegantissimum
61 x 26 μm
Karakemi marsh
Nagano, 2006
Cosmarium elegantissimum
C. elegantissimum
64 x 25 μm
Nozomiko 2
Nagano, 2007

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Cosmarium elegantissimum
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