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Gamophyceae: Zygnematales: Desmidiaceae or Closteriaceae

Closterium moniliferum
(Bory) Ehrenberg var. moniliferum

Closterium Species: Cell body moderately curved, gradually attenuated toward ends, which are broadly rounded, inner margin slightly inflated in the middle, outer margin strongly convex, 204-384 μm long, 36-60 μm wide, L/W=4.6-8; chloroplasts with 4-6 longitudinal ridges and 4-7 pyrenoids in each semicell; cell wall smooth and colorless; zygospores ellipsoid with a smooth wall (Photomicrographs of the Freshwater Algae, vol. 7, 1987). Cell body 170-450 μm long, 28-72 μm wide, L/W=6-8 (Illustrations of The Japanese Fresh-water Algae, 1977).
Similar species -->> C. ehrenbergii;


Closterium moniliferum ?, cell body 260 μm long, 50 μm wide, L/W=5.2, x 200, x 400, x 640, Midori-no-ike (pond), Togakushi Forest Botanical Garden, Togakushi highland, Shinano town, Nagano Pref., Japan, June 12, 2005 by Y. Tsukii
scale 50 μm scale 100 μm scale 150 μm; x 400
Closterium Closterium Closterium
x 640
Closterium Closterium Closterium Closterium Closterium


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