Gamophyceae:
Zygnematales: Desmidiaceae or Closteriaceae
Closterium navicula
(Brébisson) Lütkemüller
Species:
Cell body not curved, spindle or boat in shape;
24-(35-84)-93 μm long,
8-(11-20)-22 μm wide;
L/W = 3-4; a single chloroplast and 1 or 2 pyrenoids in each semicell
(Illustrations of The Japanese Fresh-water Algae, 1977).
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Closterium navicula (Brébisson) Lütkemüller,
cell body 49 μm long, 13 μm wide, L/W=3.8,
x 640, a pond near the entrance of climbing route to Omine mountain, Minakami town, Gunma Pref., Japan, October 21, 2007 by Y. Tsukii
31 μm
63 μm
94 μm; x 640
Images of collecting locality:
a pond near the entrance of climbing route to Omine mountain, Minakami town, Gunma Pref., Japan, October 21, 2007 by Y. Tsukii
Please click on images for viewing enlarged.
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