Corynebacterium flaccumfaciens betae (Keyworth et al. 1956) Carlson and Vidaver 1982 Corynebacterium betae Keyworth et al. 1956 (Approved Lists 1980) 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