Providencia friedericiana Müller 1983 Providencia friedericiana Müller 1983 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 Morganellaceae Adeolu et al. 2016 Providencia Ewing 1962 (Approved Lists 1980) Providencia friedericiana Müller 1983 Providencia Ewing 1962 (Approved Lists 1980) Providencia rettgeri (Hadley et al. 1918) Brenner et al. 1978 (Approved Lists 1980) pro synon. Proteus rettgeri (Hadley et al. 1918) Rustigian and Stuart 1943 (Approved Lists 1980) Providencia heimbachae Müller et al. 1986 Providencia vermicola Somvanshi et al. 2006 Providencia alcalifaciens (de Salles Gomes 1944) Ewing 1962 (Approved Lists 1980) pro synon. Proteus inconstans (Ornstein 1920) Shaw and Clarke 1955 (Approved Lists 1980) Providencia thailandensis Khunthongpan et al. 2014 Providencia stuartii (Buttiaux et al. 1954) Ewing 1962 (Approved Lists 1980) Providencia rustigianii Hickman-Brenner et al. 1983 Providencia sneebia Juneja and Lazzaro 2009 Providencia burhodogranariea Juneja and Lazzaro 2009 Providencia huaxiensis Hu et al. 2019 Providencia friedericiana Müller 1983 Müller H.E. Providencia friedericiana, a new species isolated from penguins 1983 33 4 709 715 International Journal of Systematic Bacteriology Int J Syst Bacteriol 0020-7713 10.1099/00207713-33-4-709 Note: Verified that there is no sequence data available (May 1, 2018). Müller H.E. Providencia friedericiana, a new species isolated from penguins 1983 33 4 709 715 International Journal of Systematic Bacteriology Int J Syst Bacteriol 0020-7713 10.1099/00207713-33-4-709 Providencia rustigianii Hickman-Brenner et al. 1983 Hickman-Brenner F.W. Fanning G.R. Müller H.E. Brenner D.J. Priority of Providencia rustigianii Hickman-Brenner, Farmer, Steigerwalt, and Brenner 1983 over Providencia friedericiana Müller 1983. 1986 36 4 565 566 International Journal of Systematic Bacteriology Int J Syst Bacteriol 0020-7713 10.1099/00207713-36-4-565 Müller H.E. Providencia friedericiana, a new species isolated from penguins 1983 33 4 709 715 International Journal of Systematic Bacteriology Int J Syst Bacteriol 0020-7713 10.1099/00207713-33-4-709