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Gamophyceae: Zygnematales: Desmidiaceae

 Euastrum pulchellum
Brébisson var. pulchellum

Euastrum Subgenus: Entomum (Apical area deeply indented or notched)
Section: Excisa (Cell surface granulated or dented; apical area with spiny projections)
Species: Cell body (32)-40 μm long, (28)-33 μm wide, isthmus 7-8 μm wide, (Illustrations of The Japanese Fresh-water Algae, 1977).
Similar species -->> E. turnerii;

Euastrum pulchellum Brébisson var. pulchellum, cell body 40 μm long, 26 μm wide, constriction 9 μm wide, indentation 5 μm long, x 400, x 640, Uruguay, November 1999, photo by Yuuji Tsukii
scale 50 μm scale 100 μm scale 150 μm; x 400
Euastrum
scale 31 μm scale 63 μm scale 94 μm; x 640
Euastrum

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