Subgenus: Entomum (Apical area deeply indented or notched)
Section: Incisa (Cell surface smooth; apical area without spiny projections)
Species:
Cell body 60-74 μm long, 34-46 μm wide, isthmus 8-15 μm wide,
(Illustrations of the Fresh-water Algae, 1977).
Euastrum sinuosum var. parallelum Krieger (or var. subjenneri W. et G.S. West ?),
cell body 51 μm long, 32 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
31 μm
63 μm
94 μm; x 640
Images of collecting locality:
Kareki-numa marsh, Nikko city (formerly Fujiwara town), Tochigi Pref., Japan, August 2, 2008 by Eizaburo Tsukii