bradyrhizobium valentinum bradyrhizobium valentinum bradyrhizobium valentinum is a bacterium from the genus bradyrhizobium which has been isolated from the nodules of the plant lupinus mariae-josephae in spain. bradyrhizobium valentinum scientific classification domain: bacteria phylum: pseudomonadota class: alphaproteobacteria order: hyphomicrobiales family: nitrobacteraceae genus: bradyrhizobium species: b. valentinum binomial name bradyrhizobium valentinumduran et al. 2014 type strain lmjm2, lmjm3, lmjm6, cect 8364, lmg 2761