Gamophyceae:
Desmidales: Mesotaeniaceae
(Charophyceae: Zygnematales: Mesotaeniaceae)
Netrium oblongum
(De Brary) Lütkemüller var. oblongum
Species [ var. oblongum ]: Cell body cylindrical ellipsoid, both ends broadly rounded;
laminae of chloroplasts deeply dented showing circular depressions;
108-148 μm long, 27-39 μm wide, L/W=3-4.
[ var. cylindricum W. et G.S. West ]: Smaller than var. oblongum;
60-90 μm long, 17-25 μm wide
(Illustrations of The Japanese Fresh-water Algae, 1977).
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Netrium oblongum (De Brary) Lütkemüller var. oblongum
cell body about 120 μm long, 34 μm wide,
x 640, Shijuhachi-ike (pond), Shiga highland, Yamanouchi town, Nagano Pref., Japan, June 1, 2006 by Y. Tsukii
31 μm
63 μm
94 μm; x 640
Cell body 164 μm long, 34 μm wide, x 640
Netrium oblongum (De Brary) Lütkemüller var. oblongum
cell body 127 μm long, 33 μm wide,
x 640, Shijuhachi-ike (pond), Shiga highland, Yamanouchi town, Nagano Pref., Japan, June 1, 2006 by Y. Tsukii
Cell body 158 μm long, 32.5 μm wide, x 640
Images of collecting locality:
No. 5, Shijuhachi-ike (pond), Shiga highland, Yamanouchi town, Nagano Pref., Japan, June 1, 2006 by Y. Tsukii
Please click on images for viewing enlarged.
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