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

 Cylindrocystis brebissonii
Meneghini var. brebissonii

Cylindrocystis brebissonii Genus: Two chloroplasts with axis and laminae structure; axis short, laminae also short making the chloroplasts star-shaped
Species: Cell body cylindrical, large, 20-87 μm long, 11-35 μm wide (Photomicrographs of the Fresh-water Algae, 1984).
[var. brebissonii]: Cell body cylindridal with both round ends, 30-87 μm long, 14-35 μm wide, L/W=2-4; chloroplasts star-shaped, with a single pyrenoid. (Illustrations of The Japanese Fresh-water Algae, 1977).
Similar genus -->> Zygnema; Penium; Mesotaenium;

Cylindrocystis brebissonii Meneghini var. brebisonii, cell body 30-50 μm long, 15 μm wide, L/W=2.0-3.3, x 200, x 400, x 640, No.2, Yahei-daira (marsh), West of Higashidaiten, Azuma mountains, Yonezawa city, Yamagata Pref., Japan, July 1, 2007 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Cylindrocystis brebissonii Cylindrocystis brebissonii Cylindrocystis brebissonii Cylindrocystis brebissonii Cylindrocystis brebissonii

Images of collecting locality: No.2, Yahei-daira (marsh/bog), West of Higashidaiten, Azuma mountains, Yonezawa city, Yamagata Pref., Japan, July 1, 2007 by Y. Tsukii

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