Williamsia faeni Jones et al. 2010 Williamsia faeni Jones et al. 2010 Universal Root Woese et al. 1990 Bacteria (None 2015) Woese et al. 1990 Actinobacteria (sic) Goodfellow 2021 non Actinobacteria Stackebrandt et al. 1997 Actinomycetota corrig. Goodfellow 2021 Actinobacteriota corrig. Goodfellow 2021 Actinomycetes Krasil'nikov 1949 (Approved Lists 1980) Corynebacteriales Goodfellow and Jones 2015 emend. Nouioui et al. 2018 Nocardiaceae Castellani and Chalmers 1919 (Approved Lists 1980) emend. Nouioui et al. 2018 Williamsia Kämpfer et al. 1999 Williamsia faeni Jones et al. 2010 Williamsia Kämpfer et al. 1999 Williamsia marianensis Pathom-aree et al. 2006 Williamsia maris Stach et al. 2004 emend. Nouioui et al. 2018 Williamsia serinedens Yassin et al. 2007 emend. Nouioui et al. 2018 Williamsia muralis Kämpfer et al. 1999 Williamsia sterculiae Fang et al. 2013 emend. Nouioui et al. 2018 Williamsia deligens Yassin and Hupfer 2006 emend. Nouioui et al. 2018 Williamsia herbipolensis Kämpfer et al. 2016 Williamsia phyllosphaerae Kämpfer et al. 2011 Williamsia limnetica Sazak and Sahin 2012 Williamsia spongiae Afonso de Menezes et al. 2017 Williamsia aurantiaca corrig. Afonso de Menezes et al. 2020 Williamsia aurantiacus (sic) Afonso de Menezes et al. 2020 Williamsia soli Zhang et al. 2022 Williamsia faeni Jones et al. 2010 Jones A.L. Payne G.D. Goodfellow M. Williamsia faeni sp. nov., an actinomycete isolated from a hay meadow 2010 60 11 2548 2551 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.015826-0 20008113 Jones A.L. Payne G.D. Goodfellow M. Williamsia faeni sp. nov., an actinomycete isolated from a hay meadow 2010 60 11 2548 2551 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.015826-0 20008113 Jones A.L. Payne G.D. Goodfellow M. Williamsia faeni sp. nov., an actinomycete isolated from a hay meadow 2010 60 11 2548 2551 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.015826-0 20008113