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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:
Similar species -->> P. angulosum;

Pediastrum sp., 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

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