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Gamophyceae: Zygnematales: Desmidiaceae

Cosmarium capax
var. minus (Schmidle) Hirano
= Actinotaenium capax var. minus (Schmidle) Hirano

Cosmarium capax 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 [var. minus]: Cell body (66-112)-120 μm long, (50-60)-64 μm wide, isthmus (48-56)-59 μm wide, (Illustrations of The Japanese Fresh-water Algae, 1977).


Cosmarium capax ? (Actinotaenium, Dysphinctium), cell body 73 μm long, 45 μm wide, x 400, x 640, Kurihashi, Saitama Pref., Japan, July 2001 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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