Family [ Chlamydomonadaceae ]: Unicells; cell wall present; two flagella (Illustrations of The Japanese Fresh-water Algae, 1977).
Family [ Haematococcaceae ]: Flageller apparatus of mother cell remains until the completion of cell division (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).

Google Image Search

H. lacustris cell 18 x 14 μm test 27 x 23 μm flag. 29 μm Japan, 1999 Movies	H. lacustris cell μm test μm Kurome River Asaka Saitama, 2006	H. lacustris cell μm test μm Kurome River Asaka Saitama, 2008
H. lacustris st. Tks-1, axenic cell 22-39 μm test 31-55 μm flag. 26 μm Kuroiso Tochigi, 2001	H. lacustris st. Tks-1, cysts? cell μm Kuroiso Tochigi, 2001	H. lacustris st. Tks-1, cysts? 17-26 x 13-20 μm Kuroiso Tochigi, 2001	H. lacustris st. Tks-1 cell μm Kuroiso Tochigi, 2001
H. lacustris st. Tks-1 cell 42 x 39 μm Kuroiso Tochigi, 2001	Haematococcus sp. cell 30 x 20 μm sheath 39 x 33 μm Akatsuka Park Tokyo, 2002	Haematococcus sp. stock Taa-10 Akatsuka Park Tokyo, 2002	Haematococcus sp. stock Taa-2 Akatsuka Park Tokyo, 2002
Haematococcus ? cell 19 x 20 μm Tsukuba Ibaraki, 2002	Haematococcus ? stock Gtap-2 cell 10-13 μm Takasaki park Takasaki city Gunma, 2004

Please click on images for viewing enlarged.

Copyright Protist Information Server