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Gamophyceae: Desmidales: Mesotaeniaceae
(Charophyceae: Zygnematales: Mesotaeniaceae)

Netrium oblongum
(De Brary) Lütkemüller var. oblongum

Netrium 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).


Netrium oblongum (De Brary) Lütkemüller var. oblongum (or N. digitus ?), cell body 208 μm long, 65 μm wide, L/W=3.2, chloroplast with 6 laminae (?), x 100, x 200, x 400, x 640, Karakemi marsh, Yasaka village, Nagano Pref., Japan, April 24, 2005 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Netrium oblongum Netrium oblongum Netrium oblongum Netrium oblongum
Netrium oblongum Netrium oblongum Netrium oblongum


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