Gamophyceae:
Desmidales: Desmidiaceae
(Charophyceae: Zygnematales: Desmidiaceae)
Desmidium coarctatum
Nordstedt
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 18-20 μm long, 20 μm wide, L/W=,
cell body 18 μm long, 28 μm wide, L/W=,
x 400, x 640, No.5, Kashibaru marsh, Karatsu city, Saga Pref., Japan, November 2006 by Y. Tsukii
31 μm
63 μm
94 μm; x 640
Cell body 20 μm long, 20 μm wide, L/W=,
cell body 20 μm long, 25 μm wide, L/W=, x 400, x 640
Images of collecting locality:
No.5, Kashibaru marsh, Karatsu city, Saga Pref., Japan, November 22, 2006 by Y. Tsukii
Please click on images for viewing enlarged.
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