Trebouxiophyceae (Pleurastrophyceae): Pleurastrales
(Chlorophyceae: Chlorococcales: Chlorococcaceae)
Trebouxia sp.
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:
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Trebouxia sp., stock Ikk-2,
cell body spherical, up to 20 μm in diam.,
chloroplast parietal with a large pyrenoid,
x 400, x 640, Kaga city, Ishikawa Pref., Japan, 2000 by Y. Tsukii
31 μm
63 μm
94 μm; x 640
Old culture, in most cells cell growth arrested after cell division
Trebouxia, stock Ikk-2, old culture,
cell body spherical in shape, 4-5.5 μm in diam.,
after prolonged culture cells became very small,
x 400, x 640, Kaga city, Ishikawa Pref., Japan, 2000 by Y. Tsukii
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