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Chlorophyceae: Chlorococcales: Dictyosphaeriaceae

Dictyosphaerium pulchellum
Wood

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).
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Cell body spherical
Dictyosphaerium pulchellum
D. pulchellum
cell spherical
6-8 μm φ
near Yamaguchi Univ.
Yamaguchi, 2004
Dictyosphaerium pulchellum
D. pulchellum
cell spherical
3.5-7 μm φ
Uruguay, 1999
Dictyosphaerium pulchellum
D. pulchellum
cell spherical
5-7 μm φ
Japan, 1998
Dictyosphaerium pulchellum
D. pulchellum
cell spherical
7-10 μm φ
Japan, 1998
Dictyosphaerium pulchellum
D. pulchellum
cell spherical
6-11 μm φ
Japan, 1998
Dictyosphaerium pulchellum
D. pulchellum ?
cell spherical
7 μm φ
Japan, 1998
Dictyosphaerium pulchellum
D. pulchellum
cell spherical
5-8.5 μm φ
Ueno
Tokyo, 2001
Dictyosphaerium pulchellum
D. pulchellum
cell spherical
9-10 μm φ
Sayama Natural Park
Tokyo, 2001
Dictyosphaerium
D. pulchellum
cell 7 x 6 μm
Sanda
Hyogo, 2001
Dyctiosphaerium
D. pulchellum
stock Tok-1
axenic culture
cell 6 μm φ
Otawara
Tochigi, 2000
Dictyosphaerium pulchellum
D. pulchellum
8 x 7 μm
Akigase Park
Saitama, 2002
Dictyosphaerium pulchellum
D. pulchellum
cell 6 μm φ
Nasu
Tochigi, 2001
Dictyosphaerium pulchellum
D. pulchellum
cell 6 μm φ
Kasama Park
Ibaraki, 2002
Dictyosphaerium pulchellum
D. pulchellum ?
cell spherical
μm φ
Otto-Numa
Tsuchiura
Ibaraki, 2002
Dictyosphaerium pulchellum
D. pulchellum
cell spherical
μm φ
Kijioka Castle Ruin
Kodama
Saitama, 2003
Dictyosphaerium
D. pulchellum ?
cell spherical
6 x 5 μm
or 5 μm φ
Mizumoto Park
Tokyo, 2001
Dictyosphaerium pulchellum
D. pulchellum
cell spherical
μm
Chiba-Minato Park
Chiba, 2003
Dictyosphaerium
D. pulchellum
cell spherical
6 μm
near Town Hall
Shobu
Saitama, 2004
Dictyosphaerium
D. pulchellum
cell spherical
9-10 μm
Sankaku-ike
Shiga highland
Nagano, 2004
Dictyosphaerium pulchellum
D. pulchellum
cell spherical
7-8 μm
Tane-ike
Shiga highland
Nagano, 2005
Similar genus -->> Planktosphaeria; Westella;

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Dictyosphaerium pulchellum
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