 
 
Bacillariophyceae: Pennales: Raphidineae
Nitzschia acicularis
(Kützing) W. Smith
|  Genus: Species:
 | 
Nitzschia acicularis, 
cell body 61 μm long, 3.5 μm wide, 
x 640, Usui river, near Yachiyo bridge, Takasaki city, Gunma Pref., Japan, April 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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