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 97 μm long, 33 μm wide, L/W=2.9,
x 640, No. 9-1, Mida-ga-hara (bog/marsh), Gassan (mountain), Tsuruoka city (formerly Haguro town) & Shonai town (formerly Tachikawa town), Yamagata Pref., Japan, August 3, 2006 by Y. Tsukii
31 μm
63 μm
94 μm; x 640
Netrium oblongum (De Brary) Lütkemüller var. oblongum
cell body 103 μm long, 31 μm wide, L/W=3.3,
x 640, No.9-2, Mida-ga-hara (bog/marsh), Gassan (mountain), Tsuruoka city (formerly Haguro town) & Shonai town (formerly Tachikawa town), Yamagata Pref., Japan, August 3, 2006 by Y. Tsukii
Cell body 103 μm long, 31 μm wide, L/W=3.3, x 640
Images of collecting locality:
No. 9, Mida-ga-hara (bog/marsh), Gassan (mountain), Tsuruoka city (formerly Haguro town) & Shonai town (formerly Tachikawa town), Yamagata Pref., Japan, August 3, 2006 by Y. Tsukii
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