image_list image_listE

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 168 μm long, 27 μm wide, x 640, rice field, near City Hall, Fujimi city, Saitama Pref., Japan, July 11, 2004 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Penium margaritaceum Penium margaritaceum Penium margaritaceum
Daughter cells, μm long, μm wide, x 400, x 640
Penium margaritaceum Penium margaritaceum Penium margaritaceum
Cell body 106 μm long, 29 μm wide, x 640
Penium margaritaceum Penium margaritaceum

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