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Gamophyceae: Zygnematales: Desmidiaceae

Euastrum verrucosum
Ehrenberg ex Ralfs 1848

Euastrum verrucosum Subgenus: Atomum (Apical area slightly depressed)
Section: Retusa (Cell body large; granulated dome(s) at the center of each semicell )

Species: Cell body (73-95)-114 μm long, (65-77)-92 μm wide, constriction (14-21)-22 μm wide (Illustrations of The Japanese Fresh-water Algae, 1977).


Euastrum verrucosum Ehrenberg ex Ralfs 1848, cell body 91 μm long, 70 μm wide, L/W=1.3, isthmus 20 μm wide, x 640, rice field near Naruto-Togane carnivorous plant colony (marsh), Sanmu city (formerly Naruto town), Chiba Pref., Japan, November 5, 2006 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Euastrum verrucosum Euastrum verrucosum Euastrum verrucosum Euastrum verrucosum

Images of collecting locality: Rice field near Naruto-Togane carnivorous plant colony (marsh), Sanmu city (formerly Naruto town), Chiba Pref., Japan, November 5, 2006 by Y. Tsukii


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