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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, colony disc-shaped, 65, 90 μm in diam., cell body μm long, μm wide, x 640, Kabuto-yama sizen-kansatsu ike (pond), Kabuto-yama, Nishi-no-miya city, Hyogo Pref., Japan, September 10, 2004 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Pediastrum duplex Pediastrum duplex

Pediastrum duplex var. rugulosum, fat colony 128 μm long, 117 μm wide, cell body μm long, μm wide, x 640, Kabuto-yama sizen-kansatsu ike (pond), Kabuto-yama, Nishi-no-miya city, Hyogo Pref., Japan, September 10, 2004 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Pediastrum duplex Pediastrum duplex

Pediastrum duplex var. rugulosum ?, colony 185 μm long, 120 μm wide, cell body 16-18 μm long, 16-18 μm wide, x 640, Kabuto-yama sizen-kansatsu ike (pond), Kabuto-yama, Nishi-no-miya city, Hyogo Pref., Japan, September 10, 2004 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Pediastrum Pediastrum


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