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Trebouxiophyceae (Pleurastrophyceae): Pleurastrales
(Chlorophyceae: Chlorococcales: Chlorococcaceae)

 Trebouxia sp.

Trebouxia Genus: Subaerial algae or a algal component of lichens; unicells; cell body 10-15 μm in diam., chlorplast(s) star-shaped or aggregated, with a single pyrenoid at the center (Illustrations of The Japanese Fresh-water Algae, 1977).
Species:

Trebouxia sp. (photobiont of lichen Caloplaca sp., orange lichen), cell body spherical, up to 19 μm in diam., x 640, near Yanase river, Mizuko, Fujimi city, Saitama Pref., Japan, May 9, 2004 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Trebouxia Trebouxia Trebouxia Trebouxia Trebouxia Trebouxia Trebouxia

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