Family: Chloroplasts plate-like or ribbon-like; sexual reproduction by isogamy.
Genus:
Without gelatinous sheath; filaments consist of many cells; no rhizoid
(Illustrations of The Japanese Fresh-water Algae, 1977).
Species:
Similar Genus ->> Ulothrix Klebsormidium ?,
cell body 12-14 μm long, 9 μm wide, L/W=1.3-1.6,
x 640, water reservoir, Kumakubo, Nasu-shiobara city (formerly Kuroiso city), Tochigi Pref., Japan, August 21, 2005, collected by Eizaburo Tsukii, photo by Y. Tsukii
31 μm
63 μm
94 μm; x 640