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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. ?? , cell body 48 μm long, 38 μm wide, with gelatinous coats, x 400, x 640, Vermont-Maine U.S.A., August 7-13, 1999, 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

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