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Gamophyceae: Zygnematales: Desmidiaceae

 Euastrum denticulatum
(Kirchner) Gay var. denticulatum

Euastrum 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 denticulatum (Kirchner) Gay var. denticulatum, cell body 26 μm long, 19 μm wide, L/W=1.4, isthmus 6 μm wide, x 640, Kareki-numa marsh, Nikko city (formerly Fujiwara town), Tochigi Pref., Japan, September 24, 2008 collected by Eizaburo Tsukii, photo by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Euastrum denticulatum Euastrum denticulatum

Euastrum denticulatum (Kirchner) Gay var. denticulatum, cell body μm long, μm wide, L/W=, isthmus μm wide, x 640, Kareki-numa marsh, Nikko city (formerly Fujiwara town), Tochigi Pref., Japan, August 2, 2008, collected by Eizaburo Tsukii, photo by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Euastrum denticulatum

Euastrum denticulatum (Kirchner) Gay, cell body μm long, μm wide, L/W=, isthmus 16 μm wide, x 640, Kareki-numa marsh, Nikko city (formerly Fujiwara town), Tochigi Pref., Japan, August 2, 2008, collected by Eizaburo Tsukii, photo by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Euastrum
Cell body 28 μm long, 19 μm wide, L/W=, isthmus μm wide, x 640
Euastrum Euastrum Euastrum

Images of collecting locality: Kareki-numa marsh, Nikko city (formerly Fujiwara town), Tochigi Pref., Japan, August 2, 2008 by Eizaburo Tsukii

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