Citrobacter freundii (Braak 1928) Werkman and Gillen 1932 (Approved Lists 1980) Universal Root Woese et al. 1990 Bacteria (None 2015) Woese et al. 1990 Proteobacteria (sic) Garrity et al. 2021 Pseudomonadota corrig. Garrity et al. 2021 Alphaproteobacteriota (sic) Garrity et al. 2021 Gammaproteobacteria Garrity et al. 2005 emend. Williams and Kelly 2013 Enterobacterales (Garrity and Holt 2001) Adeolu et al. 2016 Enterobacteriaceae Rahn 1984 emend. Adeolu et al. 2016 Citrobacter Werkman and Gillen 1932 emend. Sakazaki 1974 (Approved Lists 1980) Citrobacter freundii (Braak 1928) Werkman and Gillen 1932 (Approved Lists 1980) Citrobacter Werkman and Gillen 1932 emend. Sakazaki 1974 (Approved Lists 1980) Citrobacter rodentium Schauer et al. 1996 Citrobacter amalonaticus (Young et al. 1971) Farmer 1982 Citrobacter sp. None 2015 Citrobacter braakii Brenner et al. 1993 Citrobacter farmeri Brenner et al. 1993 Citrobacter koseri Frederiksen 1970 (Approved Lists 1980) Citrobacter diversus (Burkey 1928) Werkman and Gillen 1932 (Approved Lists 1980) Citrobacter murliniae Brenner et al. 2000 Citrobacter bitternis Ko et al. 2015 Citrobacter werkmanii Brenner et al. 1993 Citrobacter youngae Brenner et al. 1993 Citrobacter sedlakii Brenner et al. 1993 Citrobacter gillenii Brenner et al. 2000 Citrobacter europaeus Ribeiro et al. 2017 Citrobacter portucalensis Ribeiro et al. 2017 Citrobacter pasteurii Clermont et al. 2015 Citrobacter cronae Oberhettinger et al. 2020 Citrobacter telavivensis corrig. Ribeiro et al. 2021 Citrobacter telavivum (sic) Ribeiro et al. 2021 Citrobacter freundii (Braak 1928) Werkman and Gillen 1932 (Approved Lists 1980) Liolios K. Chen I.M. Mavromatis K. Tavernarakis N. Hugenholtz P. Markowitz V.M. Kyrpides N.C. The Genomes On Line Database (GOLD) in 2009: status of genomic and metagenomic projects and their associated metadata 2010 38 D346 354 Nucleic Acids Research Nucleic Acids Res. 0305-1048 1362-4962 10.1093/nar/gkp848 19914934 Citrobacter freundii (Braak 1928) Werkman and Gillen 1932 (Approved Lists 1980) Liolios K. Chen I.M. Mavromatis K. Tavernarakis N. Hugenholtz P. Markowitz V.M. Kyrpides N.C. The Genomes On Line Database (GOLD) in 2009: status of genomic and metagenomic projects and their associated metadata 2010 38 D346 354 Nucleic Acids Research Nucleic Acids Res. 0305-1048 1362-4962 10.1093/nar/gkp848 19914934 Citrobacter freundii (Braak 1928) Werkman and Gillen 1932 (Approved Lists 1980) Liolios K. Chen I.M. Mavromatis K. Tavernarakis N. Hugenholtz P. Markowitz V.M. Kyrpides N.C. The Genomes On Line Database (GOLD) in 2009: status of genomic and metagenomic projects and their associated metadata 2010 38 D346 354 Nucleic Acids Research Nucleic Acids Res. 0305-1048 1362-4962 10.1093/nar/gkp848 19914934 Citrobacter freundii (Braak 1928) Werkman and Gillen 1932 (Approved Lists 1980) Liolios K. Chen I.M. Mavromatis K. Tavernarakis N. Hugenholtz P. Markowitz V.M. Kyrpides N.C. The Genomes On Line Database (GOLD) in 2009: status of genomic and metagenomic projects and their associated metadata 2010 38 D346 354 Nucleic Acids Research Nucleic Acids Res. 0305-1048 1362-4962 10.1093/nar/gkp848 19914934 Citrobacter freundii (Braak 1928) Werkman and Gillen 1932 (Approved Lists 1980) Spröer C. Mendrock U. Swiderski J. Lang E. Stackebrandt E. The phylogenetic position of Serratia, Buttiauxella and some other genera of the family Enterobacteriaceae 1999 49 4 1433 1438 International Journal of Systematic Bacteriology Int J Syst Bacteriol 0020-7713 10.1099/00207713-49-4-1433 10555323 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 Werkman C.H. Gillen G.F. Bacteria Producing Trimethylene Glycol. 1932 23 167 182 Journal of Bacteriology J Bacteriol 0021-9193 1098-5530 16559543