● Ramírez-Bahena MH,García-Fraile P,Peix A,Valverde A,Rivas R,Igual JM,Mateos PF,Martínez-Molina E,Velázquez E (2008). Revision of the taxonomic status of the species Rhizobium leguminosarum (Frank 1879) Frank 1889AL, Rhizobium phaseoli Dangeard 1926AL and Rhizobium trifolii Dangeard 1926AL. R. trifolii is a later synonym of R. leguminosarum. Reclassification of the strain R. leguminosarum DSM 30132 (=NCIMB 11478) as Rhizobium pisi sp. nov. Int. J. Syst. Evol. Microbiol.58, 2484-90.
