image_list image_listE

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 μm long, μm wide, L/W=, x 640, Japanese garden, Aizu Recreation Park, Aizuwakamatsu city, Fukushima Pref., Japan, May 4, 2008 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 kuetzingii Closterium kuetzingii Closterium kuetzingii Closterium kuetzingii Closterium kuetzingii

Images of collecting locality: Japanese garden, Aizu Recreation Park, Aizuwakamatsu city, Fukushima Pref., Japan, May 4, 2008 by Y. Tsukii

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