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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 Nägeli, colony disc-shaped, 70, 110 μm in diam., cell body 18 μm long, 19 μm wide, projections 4 μm long, x 400, x 640, Aquatic botanical garden, Sawara city, Chiba Pref., Japan, October 11, 2004 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Pediastrum Pediastrum Pediastrum Pediastrum Pediastrum

Pediastrum integrum Nägeli var. integrum, colony of 32 cells, 90 μm long, 100 μm wide, x 640, Aquatic botanical garden, Sawara city, Chiba Pref., Japan, October 11, 2004 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Pediastrum boryanum Pediastrum boryanum


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