Rhizobium grahamii Lopez-Lopez et al. 2012 Dataset NCBI Taxonomy Classification phylum Pseudomonadota class Alphaproteobacteria order Hyphomicrobiales family Rhizobiaceae genus Rhizobium species Rhizobium grahamii Name Homonyms Rhizobium grahamii Rhizobium grahamii Lopez-Lopez et al. 2012