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Gamophyceae: Desmidales: Desmidiaceae
(Charophyceae: Zygnematales: Desmidiaceae)

Desmidium coarctatum
Nordstedt

Desmidium coarctatum Genus: Cell body short, with a deep constriction at the center, apical view fusiform or radially symmetrical; cell apexes without spiny projections; intermediate zone or folded structure appeared during cell division; zygospores remain within their mother cells (Illustrations of The Japanese Fresh-water Algae, 1977).
Species:


Desmidium coarctatum Nordstedt, cell body μm long, μm wide, L/W=, x 640, No.2, Ko-numa (pond/marsh), Minakami town (formerly Tsukiyono town), Gunma Pref., Japan, October 12, 2008 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Desmidium coarctatum Desmidium coarctatum

Images of collecting locality: No.2, Ko-numa (pond/marsh), Minakami town (formerly Tsukiyono town), Gunma Pref., Japan, October 12, 2008 by Y. Tsukii


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