Chlorophyceae
Unidentified sp. 
 
Genus: 
 
Species: 
 | 
Leptosira Borzi 1883 or Fritschiella Iyengar 1932 ??, 
stock Tku-11, axenic culture with KCM & Hyponex (January 23 to March 1, 2003), 
cell body  μm long,  μm wide, 
x 640, Shinobazu-ike (pond), Ueno, Taito-ku, Tokyo, Japan, March 2001 by Y. Tsukii
 50 μm
 100 μm
 150 μm; x 400 : 
 31 μm
 63 μm
 94 μm; x 640
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