 
 
|  Genus: Species: | 
 31 μm
 31 μm
 63 μm
 63 μm
 94 μm; x 640
 94 μm; x 640
 
 
Navicula pupula Kützing (or Pinnularia braunii (Grunow) Cleve ?), 
cell body 47 μm long, 12 μm wide, L/W=, 
x 640, standing water under Akigase bridge, Akigase park, Saitama city, Saitama Pref., Japan, February 27, 2005 by Y. Tsukii
 31 μm
 31 μm
 63 μm
 63 μm
 94 μm; x 640
 94 μm; x 640
 
