image_list image_listE

Gamophyceae: Zygnematales: Desmidiaceae or Closteriaceae

Closterium rostratum
Ehrenberg ex Ralfs 1848

Closterium rostratum Species: Cell body medium in size, slightly curved, central region spindle-shaped, both side convex, both termini slightly swelled, with slanted edges (cf. C. ralfsii), 190-(320-400)-530 μm long, 18-(29-33) μm wide, L/W=11-16; cell wall striated (10 lines within 10 μm), brownish in color; chloroplasts with 3 laminae, 3-5 pyrenoids in each semicell (Illustrations of The Japanese Fresh-water Algae, 1977).


Closterium rostratum Ehrenberg ??, cell body 250 μm long, 23 μm wide, L/W=, x 400, x 640, Kamino-tanbo (bog/marsh), Tsugaike highland (near Tsugaike Natural Park), Otari village, Nagano Pref., Japan, August 11, 2006 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Closterium Closterium Closterium

Images of collecting locality: Kamino-tanbo (bog/marsh), Tsugaike highland (near Tsugaike Natural Park), Otari village, Nagano Pref., Japan, August 11, 2006 by Y. Tsukii


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