 
 
Chlorophyceae: Chlamydomonadales (Volvocales): Chlamydomonadaceae
Chlamydophyceae: Chlamydomonadales: Haematococcaceae
Volvocida: Chlamydomonadina: Chlamydomonadidae
Haematococcus lacustris
(Girod) Rostafiniski, 1871 (Syn.: H. pluvialis Flotow, 1844)
 (An Illustrated Guide to Freshwater Zooplankton in Japan, 2000)
Haematococcus pluvialis Flotow 1844 em. Wille 1903 (Syn.: H. lacustris (Girod) Rostafinski 1871) 
(Süßwasserflora von Mitteleuropa 9, Chlorophyta I, 1983).   
|  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).
 | 
Hematococcus lacustris, stock Tks-1,  axenic culture with Hyponex and KCM, 
cell body  μm long,  μm wide, 
2 equal-length flagella, a large chlroplast, anterior papilla, 
x 400, x 640, Nasu-shiobara city (formerly Kuroiso city), Tochigi Pref., Japan, March 2001 by Y. Tsukii
 31 μm
 31 μm
 63 μm
 63 μm
 94 μm; x 640
 94 μm; x 640
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Cysts ?
 
Hematococcus lacustris, stock Tks-1,  axenic culture with Hyponex and KCM (August 8 to November 8, 2002), 
cell body  μm long,  μm wide, 
2 equal-length flagella, a large chlroplast, anterior papilla, 
x 640, Nasu-shiobara city (formerly Kuroiso city), Tochigi Pref., Japan, March 2001 by Y. Tsukii
 31 μm
 31 μm
 63 μm
 63 μm
 94 μm; x 640
 94 μm; x 640
 
 
 
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