Genus:
Cell body flat, large, variable in shape, longer than wide; strong constriction at center;
each semicell with several notches; cell wall with many short spines
(Illustrations of The Japanese Fresh-water Algae, 1977).
Species:
Micrasterias denticulata Brébisson ex Ralfs var. denticulata,
cell body 218 μm long, 165 μm wide, L/W=, isthmus 33 μm wide,
x 400, x 640, No.6, Imou bog, Toyohashi city, Aichi Pref., Japan, September 24, 2006 by Y. Tsukii
50 μm
100 μm
150 μm; x 400 :
31 μm
63 μm
94 μm; x 640
Images of collecting locality:
No.6, Imou bog (marsh), Toyohashi city, Aichi Pref., Japan, September 24, 2006 by Y. Tsukii