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Ulvophyceae: Ulotrichales: Ulotrichaceae

 Ulothrix zonata
(Weber et Mohr) Kützing

Ulothrix Genus: Without gelatinous sheath; filaments consist of many cells; rhizoid formed at one end (Illustrations of The Japanese Fresh-water Algae, 1977).
Species: Cell body large,30-60 μm in diam., 15-30 μm long; constriction conspicuous at the cell junction; cell wall thick, partly multi-layered (Illustrations of The Japanese Fresh-water Algae, 1977).
Similar Genus ->> Klebsormidium

Ulothrix zonata (Weber et Mohr) Kützing, cell body 15-35 μm long, 57 μm wide, x 200, x 400, Naka-gawa Kahan koen (riverside park at Naka river), Kuroiso city, Tochigi Pref., Japan, January 3, 2005 by Y. Tsukii
scale 50 μm scale 100 μm scale 150 μm; x 400
Ulothrix Ulothrix
Cell body 25-35 μm long, 65 μm wide, x 400, x 640
Ulothrix Ulothrix Ulothrix
Cell body μm long, μm wide, x 200
Ulothrix Ulothrix
Cell body μm long, 63 μm wide, x 200, x 400, x 640
Ulothrix Ulothrix Ulothrix

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