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

 Netrium interruptum
var. minor (Borge) Krieger

Netrium interruptum Species [var. interruptm]: Cell body large, cylindrical, both ends conical; 4 chloroplasts present, trasverse section star-shaped, with smooth margins (lack incisions); 168-300 μm long, 34.5-63 μm wide.
[var. minor ]: Smaller than var. interrruptum, 82-154 μm long, 15-34 μm wide. (Illustrations of The Japanese Fresh-water Algae, 1977).

Netrium interruptum var. minor (Borge) Krieger (or Penium sp. ?), cell body 90 μm long, 18 μm wide, L/W=5.0, x 640, a small wetland near Numa-no-hara marsh (Genseikaen), Madarao highland (Niigata & Nagano Pref.), Myoko village, Niigata Pref., Japan, May 15, 2005 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Netrium interruptum Netrium interruptum
Cell body 65 μm long, 18 μm wide, L/W=3.6, x 640
Netrium interruptum
Cell body 68 μm long, 19 μm wide, L/W=3.6, x 640
Netrium interruptum Netrium interruptum
Cell body 72 μm long, 19 μm wide, L/W=3.8, x 640
Netrium interruptum Netrium interruptum

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