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Gamophyceae: Desmidales: Desmidaceae or Peniaceae
(Charophyceae: Zygnematales: Desmidaceae)

Penium margaritaceum
(Ehrenberg) Brébisson in Ralfs 1848

Penium margaritaceum Species: Cell body cylindrical, slightly depressed at center, 68-185 μm long, 14-22 μm wide; chloroplasts with longitudinal ridges; cell wall with small granules arranged longidudinally or sometimes irregularly; zygospores spherical or slightly elongated (Photomicrographs of the Fresh-water Algae, 1985).

Penium margaritaceum (Ehrenberg) Brébisson, stock Ikk-2, axenic culture with KCM and Hyponex medium, cell body 140 μm long, 22 μm wide, L/W= 6.4, x 400, x 640, Kaga city, Ishikawa Pref., Japan, 2000 by Y. Tsukii
scale 50 μm scale 100 μm scale 150 μm; x 400 : scale 31 μm scale 63 μm scale 94 μm; x 640
Penium margaritaceum, stock Ikk-2 (axenic culture), conjugation, cell body μm long, μm wide, x 640, Kaga city, Ishikawa Pref., 2000 by Y. Tsukii
Penium margaritaceum Penium margaritaceum Penium margaritaceum Penium margaritaceum Penium margaritaceum
Penium margaritaceum Penium margaritaceum Penium margaritaceum Penium margaritaceum
Penium margaritaceum Penium margaritaceum Penium margaritaceum

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