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Chlorophyceae: Chlamydomonadales (Volvocales): Chlamydomonadaceae
Volvocida: Chlamydomonadina: Chlamydomonadidae

Chloromonas ulla
(Skuja) Gerloff et Ettl in Ettl 1970
Syn. Chlamydomonas ulla Skuja 1956, C. vulgaris fo. gallica Bourrelly 1951

Chloromonas Genus: Similar to Chlamydomonas, but pyrenoids absent.
Species: Cell body spherical, 12-25 μm in diam. (young cell slightly ellipsoidal); papilla broad conical in shape; nucleus centrally located; a single chloroplast cup-shaped; stigma large, elliptical or circular in shape, located at anterior half of the cell; 2 contractile vacuoles at the base of flagella (Süßwasserflora von Mitteleuropa 9, Chlorophyta I, 1983).


Chloromonas ulla (Skuja) Gerloff et Ettl, cell body spherical 22 μm long, in diam., small papillae present, nucleus centrally located, a small stigma anteriorly located, x 640, Doman-green Park, Nishi-Urawa, Saitama Pref., Japan, February 2003 by Y. Tsukii
scale 50 μm scale 100 μm scale 150 μm; x 400 : scale 31 μm scale 63 μm scale 94 μm; x 640
Chloromonas Chloromonas Chloromonas Chloromonas

Chloromonas maculata Korschikoff (Syn: Chamydomonas korschkoffii Pascher): Cell body spherical, 15-26 μm in diam.; 2 flagella approximately equal to cell-body length; papilla small, flat in shape; many chloroplast small plate-like, without pyrenoids; stigma elliptical; 2 contractile vacuoles at the base of flagella; nucleus located at the center of the cell body (Photomicrographs of the Freshwater Algae, vol. 17, 1996). Cell body 15-22 μm in diam.; many plate-like chloroplasts circular or polygonal in shape (Süßwasserflora von Mitteleuropa 9, Chlorophyta I, 1983).

Chloromonas ulla (Skuja) Gerloff et Ettl: Cell body spherical, 12-25 μm in diam. (young cell slightly ellipsoidal); papillae half-circular in shape; nucleus centrally located; a single chloroplast cup-shaped; stigma large, elliptical or circular in shape; 2 contractile vacuoles at the base of flagella (Süßwasserflora von Mitteleuropa 9, Chlorophyta I, 1983).


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