Azotobacter 
Pseudomonas 1.09401
Imhoffiella -1.025
Nitrosococcus -1.0603
Ventosimonas -1.00705
Thiocapsa -1.00901
Lamprocystis -1.01252
Thiocystis -1.01436
Allochromatium -1.01886
Chromatium -1.02282
Thiopseudomonas -1.02594
Rheinheimera -1.04117
Oblitimonas -1.07245
