Genus: A single trichome within a mucilaginous sheath
(Illustrations of The Japanese Fresh-water Algae, 1977).
Species:
Phormidium sp.,
cell body 2 μm long, 7.5 μm wide,
x 640, near Todoroki green land, Kawasaki city, Kanawaga Pref., Japan, May 26, 2004 by Y. Tsukii
31 μm
63 μm
94 μm; x 640