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Chlorophyceae: Chlorococcales: Hydrodictyaceae

 Pediastrum duplex
Meyen var. rugulosum Raciborski

Pediastrum duplex Species: Colonies of 16, 32, 64 cells; marginal cells with two thick triangular processes with truncated apex; inncer cells broad H-shaped with deeply concaved sides; cell wall with irregularly reticulated ridges (Photomicrographs of the Freshwater Algae, vol. 18, 1997).

Pediastrum duplex var. rugulosum, stock Ton, axenic culture (Hyponex & KCM), cell wall wrinkled, colonies of cells, colonies μm in diam., cell body μm long, μm wide, x 400, x 640, Nogi Shrine, Nishinasuno-machi, Tochigi Pref., Japan, August 2000, by Y. Tsukii
scale 50 μm scale 100 μm scale 150 μm; x 400


16 = 10 + 5 + 1; 32 = 16 + 10 + 5 + 1

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