image_list image_listE

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

 Cylindrocystis brebissonii
var. minor W. et G.S. West

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 var. minor W. et G.S. West ?, cell body 55 μm long, 16 μm wide, L/W=3.4, x 640, Ukishima marsh (or bog), Tsugaike highland (Tsugaike Natural Park), Otari village, Nagano Pref., Japan, July 3, 2005 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Cylindrocystis Cylindrocystis
Cell body (center) 44 μm long, 15 μm wide, L/W=2.9, x 640
Cylindrocystis
Cell body (right) 71 μm long, 16 μm wide, L/W=4.4, nucleus 4.5 μm in diam., x 640
Cylindrocystis

Please click on images for viewing enlarged.
Copyright Protist Information Server