Cyanophyceae: Nostocales: Oscillatoriaceae
Oscillatoria
sp.
Genus: Trichome without mucous sheath; straight, long, consisting of numerous cells (Illustrations of The Japanese Fresh-water Algae, 1977).
Species:
Oscillatoria
, cell body
2-4
μm long,
4.5
μm wide, L/W=
0.4-0.9
, x 640, Koigakubo marsh, Tessei-cho, Okayama Pref., Japan, November 22, 2004 by Y. Tsukii
31 μm
63 μm
94 μm; x 640
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