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Cyanophyceae: Nostocales: Oscillatoriaceae

Oscillatoria agardhii
Gomont

Oscillatoria agardhii Genus: Trichome without mucous sheath; straight, long, consisting of numerous cells (Illustrations of The Japanese Fresh-water Algae, 1977).
Species: Trichome nearly straight, slightly tapered toward both ends, without constriction at septum, 4-6 μm wide; cell body 2.5-4 μm long, granules present along septum; pseudovacuoles also present; terminal cells variable in shape, sometimes form conical-shaped calyptra, or rounded (Illustrations of The Japanese Fresh-water Algae, 1977).


Oscillatoria agardhii Gomont ?, cell body μm long, 5.5 μm wide, L/W=, x 640, drainage ditch, near Midori-no-oka park (under construction), Matsubushi city, Saitama Pref., Japan, February 15, 2004 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Oscillatoria agardhii


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