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Chlorophyceae: Chlorococcales: Oocystaceae

 Selenastrum gracile
Reinsch


Selenastrum Genus: Colonies of 4, 8 or 16 cells; planktonic; body crescent in shape; tapered at both ends; cells attached to each other at dorsal surface; a chloroplast curved plate-like, with a pyrenoid (Guide book to the "Photomicrographs of the Freshwater Algae", 1998).
Species: Cell body 13-30 μm long, 3-5 μm wide (Photomicrographs of the Freshwater Algae, vol. 2, 1984).
Similar Genus ->> Kirchneriella; Ankistrodesmus; Selenodictyum;

Selenastrum gracile, cell body about 40 μm long, 3-4.5 μm wide, curvature of young cells strong, mature cells weak, x 640, Nasu, Tochigi Pref., Japan, 2001 collected by H. Shiomizu, photo by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Selenastrum Selenastrum Selenastrum Selenastrum Selenastrum Selenastrum Selenastrum Selenastrum

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