Gamophyceae:
Zygnematales: Desmidiaceae
Euastrum ampullaceum
Ralfs var. ampullaceum
Subgenus: Entomum (Apical area deeply indented or notched)
Section: Incisa (Cell surface smooth; apical area without spiny projections)
Species: Cell body μm long, μm wide, L/W=,
isthmus μm wide;
(Illustrations of The Japanese Fresh-water Algae, 1977).
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Euastrum ampullaceum Ralfs,
cell body 94 μm long, 58 μm wide, L/W=1.6, isthmus 13 μm wide,
x 640, No. 1, Iroha-numa (marsh/bog), Zao mountain, Yamagata city, Yamagata Pref., Japan, August 2, 2006 by Y. Tsukii
31 μm
63 μm
94 μm; x 640
Cell body 92 μm long, 56 μm wide, L/W=1.6, isthmus 12 μm wide, x 640
Cell body 90 μm long, 52 μm wide, L/W=1.7, isthmus 12 μm wide, x 640
Images of collecting locality:
No. 1, Iroha-numa (marsh/bog), Zao mountain, Yamagata city, Yamagata Pref., Japan, August 2, 2006 by Y. Tsukii
Please click on images for viewing enlarged.
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