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Gamophyceae: Zygnematales: Desmidiaceae or Closteriaceae

Closterium toxon
W. West

Closterium toxon Species: Cell body medium in size, slightly curved, centrally straight, gradually tapered toward ends, both ends truncated with rounded corners, 163-(190-350) μm long, 8-(8.4-13)-20 μm wide, L/W = 25-32; cell wall smooth, bands absent; chloroplasts with 5-7 pyrenoids (Illustrations of The Japanese Fresh-water Algae, 1977).


Closterium toxon W. West, cell body 260 μm long, 9 μm wide, L/W=28.9, x 400, x 640, No.1, Omotsubo marsh (omotubo marsh, Suzuran-no-sono), Tetta-cho, Niimi city (formerly Tetta cho), Okayama Pref., Japan, September 23, 2006 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Closterium toxon Closterium toxon

Images of collecting locality: No.1, Omotsubo marsh (omotubo marsh, Suzuran-no-sono), Tetta-cho, Niimi city (formerly Tetta cho), Okayama Pref., Japan, September 23, 2006 by Y. Tsukii


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