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Chlorophyceae: Chlorococcales: Hydrodictyaceae

Pediastrum integrum
Nägeli var. integrum

Pediastrum integrum 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: Colonies of 16, 32, 64 cells, subcircular or oval shaped, without perforations; basal parts of the marginal cells obtrapezoid or subpentagon; outer sides of the marginal cell with two small truncate processes having low-triangular base; cell wall granulated (Photomicrographs of the Freshwater Algae, vol. 3, 1985).


Pediastrum integrum, colonies of cells, colonies μm in diam., cell body μm long, μm wide, x 640, Iruma City Museum, Iruma city, Saitama Pref., Japan, May, 2003, 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
Pediastrum integrum Pediastrum integrum Pediastrum integrum Pediastrum integrum


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