Genus: A single trichome within a mucilaginous sheath
(Illustrations of The Japanese Fresh-water Algae, 1977).
Species:
Phormidium favosum (Bory) Gomont,
cell body 2-3.5 μm long, 8 μm wide,
x 400, x 640, Senganpi Suigo Park, Saitama city, Saitama city, Saitama Pref., Japan, January 9, 2005 by Y. Tsukii
31 μm
63 μm
94 μm; x 640