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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 2-4 μm long, 6 μm wide, L/W=0.33-0.67, x 640, Banpaku memorial park, Tsukuba city, Ibaraki Pref., Japan, January 24, 2006 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Oscillatoria

Images of collecting locality: Banpaku memorial park, Tsukuba city, Ibaraki Pref., Japan, January 24, 2006 by Y. Tsukii


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