Species: Trichome straight, but slightly curved at terminals, both ends rounded,
8.5-9 μm wide, L/W=0.3-1.0; septum not constricted, granules present along septum
(Illustrations of The Japanese Fresh-water Algae, 1977).
Oscillatoria nigra Vaucher ?,
cell body 5-10 μm long, 10 μm wide, L/W=0.5-1.0,
x 640, Toyonodai park (or Seseragi park), Toyonodai, Otone town, Saitama Pref., Japan, March 4, 2006 by Y. Tsukii
31 μm
63 μm
94 μm; x 640
Images of collecting locality:
Toyonodai park (or Seseragi park), Toyonodai, Otone town, Saitama Pref., Japan, March 4, 2006 by Y. Tsukii