Gamophyceae:
Zygnematales: Desmidiaceae or Closteriaceae
Closterium intermedium
Ralfs var. 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).
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Closterium intermedium Ralfs var.intermedium ?,
cell body 310 μm long, 22 μm wide, L/W=14.1,
x 640, No.6, Omine-numa (pond/marsh), Omine, Minakami town (formerly Tsukiyono town), Gunma Pref., Japan, April 15, 2007 by Y. Tsukii
50 μm
100 μm
150 μm; x 400 :
31 μm
63 μm
94 μm; x 640
Closterium intermedium Ralfs var.intermedium,
cell body 255 μm long, 19 μm wide, L/W=13.4,
x 400, x 640, No.6, Omine-numa (pond/marsh), Omine, Minakami town (formerly Tsukiyono town), Gunma Pref., Japan, April 15, 2007 by Y. Tsukii
50 μm
100 μm
150 μm; x 400 :
31 μm
63 μm
94 μm; x 640
Images of collecting locality:
No.6, Omine-numa (pond/marsh), Omine, Minakami town (formerly Tsukiyono town), Gunma Pref., Japan, April 15, 2007 by Y. Tsukii
Please click on images for viewing enlarged.
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