image_list image_listE

Gamophyceae: Zygnematales: Desmidiaceae or Closteriaceae

Closterium intermedium
Ralfs var. intermedium

Closterium intermedium Species [var. intermedium]: Cell body slightly curved, central region not swelled (inner side slightly concave), both ends broadly truncated with slanted edges, 76-(200-300)-470 μm long, 14-(17-22)-25 μm wide, L/W=6-15; cell wall brownish in color, with bands and lined (6-10 lines within 10 μm)
[var. hibernicum]: Cell body straight at central region, 200-(350)-384 μm long, 14-(26) μm wide, L/W=; (Illustrations of The Japanese Fresh-water Algae, 1977).


Closterium intermedium Ralfs var.intermedium, cell body 300 μm long, 24 μm wide, L/W=12.5, x 200, x 400, x 640, a pond near the entrance of climbing route to Omine mountain, Minakami town (formerly Tsukiyono town), Gunma Pref., Japan, May 25, 2006 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 intermedium Closterium intermedium Closterium intermedium Closterium intermedium Closterium intermedium Closterium intermedium

Closterium intermedium Ralfs var.intermedium, cell body 305 μm long, 22 μm wide, L/W=13.9, x 400, x 640, a pond near the entrance of climbing route to Omine mountain, Minakami town (formerly Tsukiyono town), Gunma Pref., Japan, May 25, 2006 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 intermedium Closterium intermedium Closterium intermedium

Closterium intermedium Ralfs var. intermedium, cell body 293 μm long, 21 μm wide, L/W=, x 400, x 640, a pond near the entrance of climbing route to Omine mountain, Minakami town (formerly Tsukiyono town), Gunma Pref., Japan, May 25, 2006 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 intermedium Closterium intermedium Closterium intermedium
Cell body 294 μm long, 21.5 μm wide, L/W=, x 200, x 400, x 640
Closterium intermedium Closterium intermedium Closterium intermedium Closterium intermedium Closterium intermedium

Images of collecting locality: a pond near the entrance of climbing route to Omine mountain, Minakami town (formerly Tsukiyono town), Gunma Pref., Japan, May 25, 2006 by Y. Tsukii


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