image_list image_listE

Gamophyceae: Zygnematales: Desmidiaceae

Euastrum binale

Euastrum binale Subgenus: Atomum (Apical area slightly depressed)
Section: Simplicia (Cell body small; cell surface smooth)

Species: Cell body small, 15-30 μm long, 12.5-21 μm wide, constriction 3-8 μm wide, L/W=1.3; semicells pyramidal in shape, basal lobes rounded, anterior margin broad, slightly depressed at the center, both corners slightly pointed; lateral view of the semicells ovoidal, apical view ellipsoidal, both sides convex (Illustrations of The Japanese Fresh-water Algae, 1977).


Euastrum dubium Nägeli (or similar species, Euastrum trigibberum ?), cell body 22 μm long, 16 μm wide, isthmus 4.5 μm wide, x 640, Imou bog, Toyohashi city, Aichi Pref., Japan, September 11, 2004 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Euastrum


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