Sphingomonas azotifigens Xie & Yokota, 2006 Dataset Prokaryotic Nomenclature Up-to-Date (PNU) Rank SPECIES Published in Int. J. Syst. Evol. Microbiol. 56::892 Classification genus Sphingomonas species Sphingomonas azotifigens Name Homonyms Sphingomonas azotifigens Xie & Yokota, 2006