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, stock Ikk-2, axenic culture with KCM and Hyponex medium, cell body 142 μm long, 20 μm wide, L/W= 7.1, 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 Penium Penium
Cell body 120 μm long, 20 μm wide, L/W= 6.0
Penium Penium Penium
Cell body 117 μm long, 20 μm wide, L/W= 5.9
Penium Penium Penium

Penium margaritaceum, stock Ikk-2, axenic culture (old) with Hyponex and KCM, x 640, Kaga city, Ishikawa Pref., 2000 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Penium Penium Penium
Penium Penium Penium

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