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Xanthophyceae: Tribonematales:

Tribonema elegans
Pascher

Tribonema 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).
Species: Filament 3-4 μm wide; cell body up to 3 times longer than its width; usually with 2 parietal disc or band-shaped chloroplasts (Süßwasserflora von Mitteleuropa 3, Xanthophyceae 1, 1978).


Tribonema elegans Pascher ?, cell body 12-20 μm long, 4.5 μm wide, x 640, wetland near Ichinose-enchi (along super forest road), Norikura highland, Azumi village, Nagano Pref., Japan, May 28, 2005 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Tribonema Tribonema


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