Xanthobacter flavus Malik and Claus 1979 (Approved Lists 1980) emend. Reding et al. 1992 Rainey F.A. Wiegel J. 16s Ribosomal DNA Sequence Analysis Confirms the Close Relationship between the Genera Xanthobacter, Azorhizobium, and Aquabacter and Reveals a Lack of Phylogenetic Coherence among Xanthobacter Species 1996 46 2 607 610 International Journal of Systematic Bacteriology Int J Syst Bacteriol 0020-7713 10.1099/00207713-46-2-607 Skerman V.B.D. McGowan V. Sneath P.H.A. Approved Lists of Bacterial Names 1980 30 1 225 420 International Journal of Systematic Bacteriology Int J Syst Bacteriol 0020-7713 10.1099/00207713-30-1-225