Genus: Unicellular, within a large spherical sheath; two equal-length flagella emerging from anterior end;
cell body spherical or ellipsoidal, connected with gelatinous sheath by fine filaments;
a single chloroplast cup-shaped, with several pyrenoids
(Guide book to the "Photomicrographs of the Freshwater Algae", 1998).
Species: Cell body ovoid or spherical, 40-50 μm in diam.; with many pyrenoids (Illustrations of The Japanese Fresh-water Algae, 1977). |
31 μm
63 μm
94 μm; x 640
Hematococcus lacustris, stock Tks-1, axenic culture with Hyponex and KCM (December 4, 2004 to January 8, 2005),
cell body nearly spherical, 24 μm in diam.,
cell wall nearly spherical, 34 μm in diam.,
x 400, x 640, Nasu-shiobara city (formerly Kuroiso city), Tochigi Pref., Japan, March 2001 by Y. Tsukii
Haematococcus lacustris (Girod) Rostafiniski,
stock Tks-1, axenic culture with KCM & Hyponex (from January 1 to February 8, 2005),
cell body μm long, μm wide,
x 400, x 640, Nasu-shiobara city (formerly Kuroiso city), Tochigi Pref., Japan, March 2001 by Y. Tsukii
31 μm
63 μm
94 μm; x 640
