 
 Navicula clementis
Navicula clementis
Grunow
|  Genus: Species:
 | 
Navicula clementis Grunow ? (or  N. gastrum (Ehrenberg) or N. constans Hustedt ?), 
cell body 40 μm long, 19 μm wide, 
x 640, Omoi river, Oyama city, Tochigi Pref., Japan, February 8, 2004 by Y. Tsukii
 31 μm
 31 μm
 63 μm
 63 μm
 94 μm; x 640
 94 μm; x 640
 
 
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