Cyanophyceae: Nostocales: Oscillatoriaceae
Oscillatoria
formosa
Bory
Genus: A single trichome within a rigid sheath; sheath clear or yellowish; filaments planktonic or agglutinated (Illustrations of The Japanese Fresh-water Algae, 1977).
Species:
Oscillatoria formosa
Bory, cell body
μm long,
8.5-9.5
μm wide, L/W=
, x 640, drainage ditch, Naruto town, Chiba Pref., Japan, September 2003 by Y. Tsukii
50 μm
100 μm
150 μm; x 400 :
31 μm
63 μm
94 μm; x 640
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