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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 37-2D, axenic culture (Hyponex+KCM), colonies of cells, colonies μm in diam., cell body μm long, μm wide, x 400, x 640, Uruguay, 1999 collected by Takahashi et al., photo by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Pediastrum Pediastrum Pediastrum Pediastrum

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