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Ulvophyceae: Ulotrichales: Ulotrichaceae

 Ulothrix sp.

Ulothrix 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, cell body 10-18 μm long, 29 μm wide, x 640, Iruma river, Sayama city, Saitama Pref., Japan, January 25, 2004 by Y. Tsukii
Closterium 50 μm scale 100 μm scale 150 μm; x 400 : scale 31 μm scale 63 μm scale 94 μm; x 640
Ulothrix Ulothrix

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