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Gamophyceae: Zygnematales: Desmidiaceae

Euastrum sinuosum
var. reductum W. et G.S. West

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

Species [var. dideltoides ]: Cell body 56-90 μm long, 31-50 μm wide, isthmus 7-14 μm wide, (Illustrations of the Fresh-water Algae, 1977).


Euastrum sinuosum var. reductum W. et G.S. West or Euastrum sinuosum var. perforatum Krieger ?, cell body 66 μm long (estimated), 42 μm wide, L/W=, isthmus μm wide, x 640, No.2c, a marsh pond at Mitsuishi marsh, Hachimantai city, Iwate Pref., Japan, August 13, 2008 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Euastrum sinuosum Euastrum sinuosum

Images of collecting locality: No.2, a marsh pond at Mitsuishi marsh, Hachimantai city, Iwate Pref., Japan, August 13, 2008 by Y. Tsukii


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