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Xanthophyceae: Tribonematales:

Tribonema sp.
Derbès et Solier

Genus: Filament without branching; cell body cylindrical; each cell wall consists of two parts with "H" structure overlapping at the midregion; chloroplasts many, disc-shaped, without pyrenoids (Guide book to the "Photomicrographs of the Freshwater Algae", 1998).

Tribonema sp. ?, cell body μm long, 6 μm wide, x 400, x 640, Kanayama green park, Kiyose city, Tokyo, Japan, August 2001 by Y. Tsukii
scale 50 μm scale 100 μm scale 150 μm; x 400 : scale 31 μm scale 63 μm scale 94 μm; x 640
Tribonema Tribonema

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