Gamophyceae:
Desmidales: Mesotaeniaceae
(Charophyceae: Zygnematales: Mesotaeniaceae)
Cylindrocystis crassa
De Bary
Genus:
Two chloroplasts with axis and laminae structure;
axis short, laminae also short making the chloroplasts star-shaped
Species:
cell body ellipsoidal, 28-60 μm long, 17-31 μm wide
(Illustrations of The Japanese Fresh-water Algae, 1977).
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Similar genus -->>
Zygnema;
Penium;
Mesotaenium;
Cylindrocystis crassa De Bary (or C. brebissonii ?),
cell body 50 μm long, 20 μm wide, L/W=2.5,
x 640, Mida-ga-hara (bog), Gassan (mountain), Haguro & Tachikawa town, Yamagata Pref., Japan, July 10, 2005 by Y. Tsukii
31 μm
63 μm
94 μm; x 640
Cell body 33 μm long, 21 μm wide, L/W=1.6, 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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