 
 
 31 μm
 31 μm
 63 μm
 63 μm
 94 μm; x 640
 94 μm; x 640
 
 
 
 
Oscillatoria simplicissima Gomont: Trichome straight, without constriction at cell-cell junction, 8-9 μm wide; cell body short, 2-4 μm wide, L/W=1/4-1/2; granules absent along septum; terminal cells semicircular (Illustrations of the Japanese Fresh-water Algae, 1977).