 
 
|  Family: Irregularly branched filament; many chloroplasts along cell wall. Genus: Same as Family (Illustrations of The Japanese Fresh-water Algae, 1977). Species: | 
 31 μm
 31 μm
 63 μm
 63 μm
 94 μm; x 640
 94 μm; x 640
 
 
 
 
 
Images of collecting locality: 
Uzuma-koen (park), Tochigi city, Tochigi Pref., Japan, January 4, 2007 by Y. Tsukii
 
 
