Section: Radiatiformes (Apexes of semicells with projections; arm-like projections smooth)
(Illustrations of The Japanese Fresh-water Algae, 1977)
Species [var. tohopekaligense]: Cell body
36.5 μm long (excluding arms),
47.3 μm long (including arms),
25 μm wide (excluding arms),
64.5 μm wide (including arms),
constriction 14 μm wide,
(Illustrations of The Japanese Fresh-water Algae, 1977)
Staurastrum tohopekaligense,
arm tips separated into two nail-like projections,
x 400, x 640, Uruguay, November 1999, photo by Yuuji Tsukii
50 μm
100 μm
150 μm; x 400 :
31 μm
63 μm
94 μm; x 640