image_list image_listE

Gamophyceae: Zygnematales: Desmidiaceae

Staurastrum tetracerum
f. trigona Lundell

Staurastrum tetracerum Genus: Cell body short, radiate in shape; apical view of the cell, triangular, polygonal, ellipsoidal or spindle-shaped; zygospores formed outside of mother cells (Illustrations of The Japanese Fresh-water Algae, 1977)
Subgenus: with arm-like projections (Illustrations of The Japanese Fresh-water Algae, 1977)

Species:


Staurastrum tetracerum f. trigona Lundell ?, cell body ?? μm long, 20 μm wide, isthmus ?? μm wide, x 640, Omine-numa (pond/marsh), Omine, Minakami town (formerly Tsukiyono town), Gunma Pref., Japan, May 25, 2006 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Staurastrum tetracerum Staurastrum tetracerum

Images of collecting locality: No.5/6, Omine-numa (pond/marsh), Omine, Minakami town (formerly Tsukiyono town), Gunma Pref., Japan, May 25, 2006 by Y. Tsukii


Please click on images for viewing enlarged
Copyright Protist Information Server