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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 90 μm long, 75 μm wide, isthmus 24 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
Euastrum verrucosum Euastrum verrucosum Euastrum verrucosum Euastrum verrucosum

Euastrum verrucosum Ehrenberg ex Ralfs 1848 var. verrucosum, cell body 85 μm long, 73 μm wide, L/W=, 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
Euastrum verrucosum Euastrum verrucosum

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