Gamophyceae:
Desmidales: Mesotaeniaceae
(Charophyceae: Zygnematales: Mesotaeniaceae)
Cylindrocystis brebissonii
Meneghini var. 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.
[var. minor]: Cell body 20-30 μm long, 8-13 μm wide
(Illustrations of The Japanese Fresh-water Algae, 1977).
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Similar genus -->>
Zygnema;
Penium;
Mesotaenium;
Cylindrocystis brebissonii Meneghini var. brebisonii (or C. crassa ??),
cell body 44-66 μm long, 20 μm wide,
x 640, Fukasaku-gawa Yusuichi, Saitama city, Saitama Pref., Japan, May 2002 by Y. Tsukii
50 μm
100 μm
150 μm; x 400 :
31 μm
63 μm
94 μm; x 640
Cylindrocystis brebissonii Meneghini var. brebisonii:
Cell body cylindrical, large, 30-87 μm long, 14-35 μm wide,
L/W= 2-4; zygospores rectangular
(Illustrations of The Japanese Fresh-water Algae, 1977).
Cylindrocystis brebissonii var. jenneri (Ralfs) Hansgirg:
Cell body cylindrical, large, 20-70 μm long, 11-23 μm wide;
zygospores spherical
(Illustrations of The Japanese Fresh-water Algae, 1977).
Cylindrocystis brebissonii var. minor W. et G.S. West:
Cell body cylindrical, small, 20-30 μm long, 8-13 μm wide
(Illustrations of The Japanese Fresh-water Algae, 1977).
Cylindrocystis crassa Debary:
Cell body ellipsoidal, 20-60 μm long, 17-31 μm wide
(Illustrations of The Japanese Fresh-water Algae, 1977).
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