Family: Chloroplasts plate-like or ribbon-like; sexual reproduction by isogamy.
Genus: Without gelatinous sheath; filaments consist of many cells; rhizoid formed at one end
(Illustrations of The Japanese Fresh-water Algae, 1977).
Species:
Similar Genus ->> Klebsormidium Ulothrix sp. (or Klebsormidium ?),
vegetative cells 6-17 μm long, 18 μm diam., 1 chloroplast,
x 100, x 200, x 400, Japan, 1998 by Y. Tsukii
50 μm
100 μm
150 μm; x 400