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Cyanophyceae: Nostocales: Oscillatoriaceae

 Oscillatoria splendida
var. truncata Emoto et Hirose

Oscillatoria splendida 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: Cell body 4-5 μm long, 2 μm wide, L/W=2-2.5 (Illustrations of The Japanese Fresh-water Algae, 1977).

Oscillatoria splendida var. truncata Emoto et Hirose ?, cell body 3-6 μm long, 2.5 μm wide, L/W=1.2-2.4, x 640, a small pond near Yamaguchi university, Yamaguchi city, Yamaguchi Pref., November 21, 2004, by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Oscillatoria Oscillatoria Oscillatoria Oscillatoria

Cell body 4-8 μm long, 3 μm wide, L/W=1.3-2.7, x 640
Oscillatoria Oscillatoria Oscillatoria Oscillatoria Oscillatoria

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