Rhizobium/Agrobacterium group Dataset NCBI Taxonomy Rank UNRANKED Classification phylum Pseudomonadota class Alphaproteobacteria order Hyphomicrobiales family Rhizobiaceae Name Homonyms Rhizobium/Agrobacterium group Rhizobium Rhizobium BR816 Rhizobium IRc78 Rhizobium MPIK3030 Rhizobium Frank 1889 (Approved Lists 1980) emend. Young et al. 2001