image_list image_listE

Cyanophyceae: Nostocales: Oscillatoriaceae

Oscillatoria irrigua
Kützing

Oscillatoria Genus: Trichome without mucous sheath; straight, long, consisting of numerous cells (Illustrations of The Japanese Fresh-water Algae, 1977).
Species: Trichome dark-blue in color, nearly straight, without constriction at cell-cell junction, 6-11 μm wide; cell body reddish blue in color, 4-11 μm long (1/4-1/2 of its width); granules present along septum; cell wall of the terminal cells thick (Illustrations of The Japanese Fresh-water Algae, 1977).


Oscillatoria irrigua Kützing ?, cell body 2-4 μm long, 9 μm wide, x 640, water treatment center, Ishii, Sakado city, Saitama Pref., Japan, December 19, 2004 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Oscillatoria


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