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Gamophyceae: Zygnematales: Desmidiaceae

 Euastrum turnerii
W. West

Euastrum turnerii Subgenus: Entomum (Apical area deeply indented or notched)
Section: Excisa (Cell surface granulated or dented; apical area with spiny projections)
Species: Cell body 36-43 μm long, 27-28 μm wide, L/W=1.3, constriction 8-9 μm wide (Illustrations of The Japanese Fresh-water Algae, 1977).
Similar species -->> E. pulchellum;

Euastrum turnerii, cell body 46 μm long, 28 μm wide, isthmus μm wide, constriction 10 μm wide, indentation 6 μm long, x 400, x 640, Vermont-Maine U.S.A., August 7-13, 1999, by Y. 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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