Cyanophyceae: Nostocales: Oscillatoriaceae
Oscillatoria
okeni
Gomont
Species: Trichome straight, gradually
attenulated
toward ends,
2.7-4.5
μm long,
5.5-9
μm wide, L/W=
1/3
(0.3); septum
constricted
; terminal cells
conical
(Illustrations of The Japanese Fresh-water Algae, 1977).
Oscillatoria okeni
Gomont ?, cell body
4-7
μm long,
6.5
μm wide, L/W=
0.6-1.1
, x 640, rice field, Tsukamoto, Sakura-ku, Saitama city, Saitama Pref., Japan, July 25, 2004 by Y. Tsukii
31 μm
63 μm
94 μm; x 640
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