Genus:
Species: Cell body 50-170 μm long, 10-30 μm wide
(Süßwasserflora von Mitteleuropa 2/1, Bacillariophyceae 1, 1997).
Pinnularia viridis (Nitzsch) Ehrenberg (P. maior ?),
cell body 125 μm long, 22 μm wide, L/W=5.7,
x 640, Iroha-numa (marsh), Zao mountain, Yamagata city, Yamagata Pref., Japan, July 9, 2005 by Y. Tsukii 31 μm
63 μm
94 μm; x 640
Genus:
31 μm
