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Gamophyceae: Zygnematales: Desmidiaceae or Closteriaceae

Closterium kuetzingii
Brébisson var. kuetzingii

Closterium kuetzingii Species: Cell body quickly attenuated toward both ends (cf. C. ralfsii), each extended part shorter than spindle-shaped part at middle (cf. C. setaceum), both termini slighlty curved, rounded, 270-690 μm long, 14-27 μm wide ( L/W= 18-20); cell wall transparent or brownish with thin lines (8-10 lines/10 μm wide); chloroplasts composed of 5 lamellae; 4-6 pyrenoids in each half-cell (Illustrations of The Japanese Fresh-water Algae, 1977).
270-512 μm long, 13-22 μm wide ( L/W= 18-30); 8-11 lines/10 μm wide (Photomicrographs of the Fresh-water Algae, vol. 4, 1985).
Similar species -->> C. ralfsii; C. setaceum;


Closterium kuetzingii Brébisson, cell body 500 μm long, 24 μm wide, L/W=20.1, cell wall striated ( striae/10 μm), x 200, x 400, x 640, Onnenai, Kushiro marsh, Kushiro city, Hokkaido, Japan, October 16, 2005 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Closterium kuetzingii Closterium kuetzingii Closterium kuetzingii Closterium kuetzingii Closterium kuetzingii

Closterium kuetzingii Brébisson, cell body about 490 μm long, 23 μm wide, L/W=21.3, cell wall striate ( striae/10 μm), x 200, x 400, x 640, Onnenai, Kushiro marsh, Kushiro city, Hokkaido, Japan, October 16, 2005 by Y. Tsukii
Closterium kuetzingii Closterium kuetzingii Closterium kuetzingii Closterium kuetzingii Closterium kuetzingii
Cell body 536 μm long, 23 μm wide, L/W=23.3, cell wall striated ( striae/10 μm), x 200, x 400, x 640
Closterium kuetzingii Closterium kuetzingii Closterium kuetzingii
x 640
Closterium kuetzingii Closterium kuetzingii Closterium kuetzingii Closterium kuetzingii Closterium kuetzingii
Closterium kuetzingii Closterium kuetzingii


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