bradyrhizobium cytisi bradyrhizobium cytisi bradyrhizobium cytisi is a bacterium from the genus of bradyrhizobium. bradyrhizobium cytisi scientific classification domain: bacteria phylum: pseudomonadota class: alphaproteobacteria order: hyphomicrobiales family: nitrobacteraceae genus: bradyrhizobium species: b. cytisi binomial name bradyrhizobium cytisihirsch and müller 1986 type strain cect 7749, ctaw11, lmg 25866, peix ctaw11