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Gamophyceae: Zygnematales: Desmidiaceae

Euastrum ampullaceum
Ralfs var. ampullaceum

Euastrum Subgenus: Entomum (Apical area deeply indented or notched)
Section: Incisa (Cell surface smooth; apical area without spiny projections)

Species: Cell body μm long, μm wide, L/W=, isthmus μm wide; (Illustrations of The Japanese Fresh-water Algae, 1977).


Euastrum ampullaceum Ralfs, cell body 97 μm long, 54 μm wide, L/W=1.8, isthmus 14 μm wide, x 640, No.6, a marsh pond at Sensho-ga-hara, near Akita-komagadake (mountain), Shizukuishi town, Iwate Pref., Japan, August 6, 2007 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Euastrum ampullaceum Euastrum ampullaceum

Images of collecting locality: No.6, a marsh pond at Sensho-ga-hara, near Akita-komagadake (mountain), Shizukuishi town, Iwate Pref., Japan, August 6, 2007 by Y. Tsukii


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