 
 Navicula sp.
Navicula sp.
Bory 1822
|  Genus: Species:
 | 
Navicula sp.,  
cell body 29 μm long, 9 μm wide, 
x 640, Kitayama park, Higashi-Murayama city, Tokyo, Japan, February 11, 2004 by Y. Tsukii
 31 μm
 31 μm
 63 μm
 63 μm
 94 μm; x 640
 94 μm; x 640
 
 
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