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Cyanophyceae: Nostocales: Oscillatoriaceae

 Oscillatoria limosa
[C. Agardh 1812] Gomont 1892 (John et al. ed. 2002)

Genus: Trichome without mucous sheath; straight, long, consisting of numerous cells (Illustrations of The Japanese Fresh-water Algae, 1977).
Species: Trichome straight, without constriction at cell-cell junction, 15-20 μm wide; cell body short, 3-5 μm long, L/W=1/6-1/3; granules present along septum; terminal cells semielliptical, with thickened cell wall (Illustrations of the Japanese Fresh-water Algae, 1977).

Oscillatoria limosa Agardh, trichome 16 μm diam., L/W=, x 400, x 640, October 1999, Saitama Pref., Japan, 199? 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 Oscillatoria Oscillatoria Oscillatoria

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