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Gamophyceae: Zygnematales: Desmidiaceae

 Euastrum pinnatum
Ralfs

Euastrum pinnatum Subgenus: Entomum (Apical area deeply indented or notched)
Section: Incisa (Cell surface smooth; apical area without spiny projections)
Species: (Illustrations of The Japanese Fresh-water Algae, 1977).

Euastrum pinnatum Ralfs, cell body μm long, μm wide, L/W=, isthmus μm wide, x 640, No.3, Ohyachi, Akita-Hachimantai, Kazuno city, Akita Pref., Japan, September 21, 2007 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Euastrum pinnatum Euastrum pinnatum Euastrum pinnatum

Images of collecting locality: No.3, Ohyachi, Akita-Hachimantai, Kazuno city, Akita Pref., Japan, September 21, 2007 by Y. Tsukii

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