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). |
31 μm
63 μm
94 μm; x 640
Selenastrum gracile ?,
young cell body very large, 31 μm long, 3 μm wide,
x 640, Fukada Park, Sanda city, Hyogo Pref., Japan, November 2001 by Y. Tsukii
31 μm
63 μm
94 μm; x 640
