image_list image_listE

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 (or C. gracile ?), cell body 213 μm long, 5 μm wide, L/W=42.6, x 400, x 640, No.2, Kejo-numa, Furukawa-Ono, Osaki city (formerly Furukawa city), Miyagi Pref., Japan, October 29, 2006 by Y. Tsukii
scale 50 μm scale 100 μm scale 150 μm; x 400
Closterium idiosporum Closterium idiosporum
Cell body 278 μm long, 8 μm wide, L/W=34.8, x 400, x 640
Closterium idiosporum Closterium idiosporum

Images of collecting locality: No.2, Kejo-numa, Furukawa-Ono, Osaki city (formerly Furukawa city), Miyagi Pref., Japan, October 29, 2006 by Y. Tsukii

Please click on images for viewing enlarged.
Copyright Protist Information Server