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 or Planktothrix sp. ?,
cell body 4-8 μm long, 2.5 μm wide,
x 640, Kenmin-kenko-fukushi-mura Park, Koshigaya city, Saitama Pref., Japan, January 29, 2005 by Y. Tsukii 31 μm
63 μm
94 μm; x 640
Genus: A single trichome within a rigid sheath; sheath clear or yellowish; filaments planktonic or
agglutinated (Illustrations of The Japanese Fresh-water Algae, 1977).
31 μm
