Streptococcus mitis Andrewes and Horder 1906 (Approved Lists 1980) emend. Kilian et al. 1989 Streptococcus gordonii Kilian et al. 1989 Judicial Commission of the International Committee on Systematic Bacteriology Opinion 66: Designation of Strain NS 51 (NCTC 12261) in Place of Strain NCTC 3165 as the Type Strain of Streptococcus mitis Andrewes and Horder 1906. 1993 43 2 391 391 International Journal of Systematic Bacteriology Int J Syst Bacteriol 0020-7713 10.1099/00207713-43-2-391