Rhizobium Frank, 1889 Dataset Prokaryotic Nomenclature Up-to-Date (PNU) Rank GENUS Published in Int. J. Syst. Bacteriol. 30::355 Classification genus Rhizobium Name Synonyms Agrobacterium Conn, 1942 Allorhizobium de Lajudie et al., 1998 Homonyms Rhizobium Frank, 1889