Rhizobium pisi Ramírez-Bahena et al., 2008 Dataset Catalogue of Life Rank SPECIES Classification kingdom Bacteria phylum Proteobacteria class Alphaproteobacteria order Rhizobiales family Rhizobiaceae genus Rhizobium species Rhizobium pisi Name Homonyms Rhizobium pisi Ramírez-Bahena et al., 2008