Host plant Bacterial symbiont
Alfalfa Rhizobium meliloti
Clover Rhizobium trifolii
Soybean Bradyrhizobiumjaponicum
Beans Rhizobium phaseoli
Pea Rhizobium leguminosarum
Sesbania Azorhizobiumcaulinodans
Table 1: Some of the host plant and their bacterial symbiont that fixes the nitrogen.