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

Cylindrocystis brebissonii
Meneghini var. brebissonii

Cylindrocystis 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 37-48 μm long, 15 μm wide, L/W=2.5-3.2, x 640, Kenashitai (marsh), Hakkoda mountain, Aomori city, Aomori Pref., Japan, July 17, 2005 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Cylindrocystis brebissonii Cylindrocystis brebissonii Cylindrocystis brebissonii Cylindrocystis brebissonii

Cylindrocystis brebissonii var. minor W. et G.S. West ?, cell body 45 μm long, 15 μm wide, L/W=, x 640, Kenashitai (marsh), Hakkoda mountain, Aomori city, Aomori Pref., Japan, July 17, 2005 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Cylindrocystis brebissonii Cylindrocystis brebissonii
Cell body 32-43 μm long, 16 μm wide, L/W=2.0-2.7, x 640
Cylindrocystis brebissonii
Cell body 52 μm long, 15 μm wide, L/W=3.5, x 640
Cylindrocystis brebissonii


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