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Gamophyceae: Zygnematales: Desmidiaceae or Closteriaceae

Closterium idiosporum
W. et G.S. West

Closterium idiosporum Species: Cell body elongated spindle-shaped, 220-(240-312) μm long, (10-11)-14 μm wide, L/W=20-26 (cf. C. strigosum,150-410 μ L/W=10-18); cell wall transparent, smooth; chloroplasts with 3-6 pyrenoids (Illustrations of The Japanese Fresh-water Algae, 1977).
Cell body (110-)150-250(-310) μm long, (6-)8-12(-14) μm wide; L/W=(12-)15-30(-35), (Coesel & Meesters 2007).


Closterium idiosporum W. et G.S. West, cell body (left) 115 μm long, 4.5 μm wide, L/W=25.6, x 640, Tanohara marsh, Shiga highland, Yamanouchi town, Nagano Pref., Japan, September 26, 2004 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
Closterium Closterium Closterium Closterium Closterium

Closterium idiosporum W. et G.S. West , cell body 117 μm long, 4.5 μm wide, L/W=26, x 640, Tanohara marsh, Shiga highland, Yamanouchi town, Nagano Pref., Japan, September 26, 2004 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Closterium idiosporum Closterium idiosporum Closterium idiosporum Closterium idiosporum Closterium idiosporum Closterium idiosporum Closterium idiosporum Closterium idiosporum Closterium idiosporum Closterium idiosporum


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