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Chlorophyceae: Chlorococcales: Hydrodictyaceae

Pediastrum sp.
Meyen

Pediastrum Genus: Colonies of a fixed number of cells, flat, circular in shape; cell body polygonal in shape, with horn-like projections; cell wall garanulated, wrinkled or notched; chloroplasts plate-like or reticular; asexual reproduction by zoospore; sexual reproduction by isogametes (Illustrations of The Japanese Fresh-water Algae, 1977).
Species:


Pediastrum sp., stock Fum-2, axenic culture with KCM and Hyponex (November 30, 2001 to January 9, 2002), colonies of cells, colonies μm in diam., cell body μm long, μm wide, x 640, Umi-no-nakamichi Seaside Park, Fukuoka city, Fukuoka Pref., Japan, October 2001 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Pediastrum Pediastrum Pediastrum Pediastrum
Pediastrum Pediastrum Pediastrum

Pediastrum sp., stock Fum-2, axenic culture, colonies of cells, colonies μm in diam., cell body μm long, μm wide, x 640, Umi-no-nakamichi Seaside Park, Fukuoka city, Fukuoka Pref., Japan, October 2001 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Pediastrum Pediastrum Pediastrum


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