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Cyanophyceae: Nostocales: Oscillatoriaceae

 Oscillatoria subtilissima
Kützing

Oscillatoria subtilissima Genus: Trichome without mucous sheath; straight, long, consisting of numerous cells (Illustrations of The Japanese Fresh-water Algae, 1977).
Species: Trichome solitary or in small group, 1-1.5 μm wide; cell body 1-2 times longer than the width; (Illustrations of The Japanese Fresh-water Algae, 1977).

Oscillatoria subtilissima ?, cell body 1.5-3.5 μm long, 1.5 μm wide, L/W=1-2.3, x 640, Chiba-Minato Park, Chiba City, Chiba Pref., Japan, July 2003 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
Oscillatoria subtilissima Oscillatoria subtilissima

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