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Gamophyceae: Zygnematales: Desmidiaceae

 Euastrum gnathophorum
W. et G.S. West

Euastrum gnathophorum Subgenus: Entomum (Apical area deeply indented or notched)
Section: Incisa (Cell surface smooth; apical area without spiny projections)
Species: Cell body 47-73 μm long, 34-36 μm wide, isthmus 11-14 μm wide (Illustrations of The Japanese Fresh-water Algae, 1977).

Euastrum gnathophorum W. et G.S. West , cell body (semicell) 35 μm long, 34 μm wide, L/W=, isthmus μm wide, x 640, Iroha-numa (marsh), Zao mountain, Yamagata city, Yamagata Pref., Japan, July 9, 2005 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Euastrum gnathophorum Euastrum gnathophorum Euastrum gnathophorum

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