Williamsia spongiae Afonso de Menezes et al., 2017 Dataset Prokaryotic Nomenclature Up-to-Date (PNU) Rank SPECIES Published in Int. J. Syst. Evol. Microbiol. 67::1264 Classification genus Williamsia species Williamsia spongiae Name Homonyms Williamsia spongiae Afonso de Menezes et al., 2017