Genus:
Species: Cell body 50-170 μm long, 10-30 μm wide
(Süßwasserflora von Mitteleuropa 2/1, Bacillariophyceae 1, 1997).
Pinnularia viridis (Nitzsch) Ehrenberg,
(or P. maior ?),
cell body 138 μm long, 23 μm wide, L/W=6.0,
x 640, Tashirodaira marsh, Hakkoda mountain, Aomori city, Aomori Pref., Japan, July 17, 2005 by Y. Tsukii 31 μm
63 μm
94 μm; x 640
Genus:
31 μm
