Rhizobium giardinii Amarger et al., 1997 Dataset Catalogue of Life Rank SPECIES Classification kingdom Bacteria phylum Proteobacteria class Alphaproteobacteria order Rhizobiales family Rhizobiaceae genus Rhizobium species Rhizobium giardinii Name Homonyms Rhizobium giardinii Amarger et al., 1997