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Heterokonta: Xanthophyceae: Tribonematales:

Xanthonema sp.
Silva, 1979
Syn.: Heterothrix Pascher

Xanthonema Family: Filamentous algae without branching; cell body cylindrical or fusiform swelled at the center; a single or many chloroplasts plate-like or small disc-shaped (Illustrations of The Japanese Fresh-water Algae, 1977).
Genus: Soil algae; "H" structure of the cell wall inconspicuous (Illustrations of The Japanese Fresh-water Algae, 1977).
Species:
Similar genus ->> Tribonema;

Xanthonema sp., cell body 13 μm long, 11 μm wide, L/W=1.2, x 640, Ushiku-Ayame-en (garden of Iris sanguinea), Ushiku city, Ibaraki Pref., Japan, March 27, 2007 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Xanthonema Xanthonema Xanthonema

Images of collecting locality: Ushiku-Ayame-en (garden of Iris sanguinea), Ushiku city, Ibaraki Pref., Japan, March 27, 2007 by Y. Tsukii

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