Gamophyceae:
Zygnematales: Desmidiaceae or Closteriaceae
Closterium intermedium
var. hibernicum W. et G.S. West
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 var. hibernicum W. et G.S. West,
cell body 350 μm long, 30 μm wide, L/W=,
x 200, x 400, x 640, Numa-no-hara marsh (Genseikaen), Madarao highland (Niigata & Nagano Pref.), Myoko village, Niigata Pref., Japan, June 17, 2006 by Y. Tsukii
50 μm
100 μm
150 μm; x 400 :
31 μm
63 μm
94 μm; x 640
Closterium intermedium var. hibernicum W. et G.S. West ?,
cell body 420 μm long, 34 μm wide, L/W=12.4,
x 200, x 400, x 640, Numa-no-hara marsh (Genseikaen), Madarao highland (Niigata & Nagano Pref.), Myoko village, Niigata Pref., Japan, June 17, 2006 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 μm long, μm wide, L/W=,
x 200 (?), Numa-no-hara marsh (Genseikaen), Madarao highland (Niigata & Nagano Pref.), Myoko village, Niigata Pref., Japan, June 17, 2006 by Y. Tsukii
Images of collecting locality:
No. 1, 2, Numa-no-hara marsh (Genseikaen), Madarao highland (Niigata & Nagano Pref.), Myoko village, Niigata Pref., Japan, June 17, 2006 by Y. Tsukii
Please click on images for viewing enlarged.
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