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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, cell body 175 μm long, 25 μm wide, L/W=7.0, x 640, No.6, Kashibaru marsh, Karatsu city, Saga Pref., Japan, November 2006 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Penium margaritaceum Penium margaritaceum Penium margaritaceum

Images of collecting locality: No.6, Kashibaru marsh, Karatsu city, Saga Pref., Japan, November 22, 2006 by Y. Tsukii


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