Rhizobium giardinii Amarger et al. 1997 Dataset NCBI Taxonomy Classification phylum Pseudomonadota class Alphaproteobacteria order Hyphomicrobiales family Rhizobiaceae genus Rhizobium species Rhizobium giardinii Name Homonyms Rhizobium giardinii Rhizobium giardinii Amarger et al. 1997