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Chlorophyceae: Chlorococcales: Dictyosphaeriaceae

Dictyosphaerium pulchellum
Wood

Dictyosphaerium pulchellum Genus: Cells are equal in size (Illustrations of The Japanese Fresh-water Algae, 1977). Planktonic; colony within a gelatinous sheath; cell body spherical, elliptical or pear-shaped; 4 daughter cells attached to a filament dichotomously radiating from the center of the colony; a single chloroplast cup-shaped, with a pyrenoid.
Species: Cell body spherical, 3-10 μm in diam., attached to radially, dichotomously branched filaments; a single chloroplast cup-shaped, with a pyrenoid (Photomicrographs of the Freshwater Algae, vol. 2, 1984).
Similar genus -->> Planktosphaeria; Westella;


Dictyosphaerium, Tok-1, axenic culture with Hyponex and KCM, colonies disintegrated after a prolonged culture, cell body spherical, 6 μm in diam., x 640, Kagami ike (small pond), Otawara city, Tochigi Pref., 2000 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
Dyctiosphaerium Dyctiosphaerium Dyctiosphaerium


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