image_list image_listE

Gamophyceae: Zygnematales: Desmidiaceae

 Euastrum didelta
Ralfs var. didelta

Euastrum Subgenus: Entomum (Apical area deeply indented or notched)
Section: Incisa (Cell surface smooth; apical area without spiny projections)
Species: Cell body 115-150 μm long, 53-70 μm wide, L/W=2.0, isthmus 18-26 μm wide; (Illustrations of The Japanese Fresh-water Algae, 1977).

Euastrum didelta Ralfs var. didelta ?, cell body 139 μm long, 72 μm wide, L/W=1.9, isthmus μm wide, x 640, Ko-numa (pond/marsh), Tsukiyono town, Gunma Pref., Japan, September 2003 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Euastrum didelta

Please click on images for viewing enlarged.
Copyright Protist Information Server