Lawsonia intracellularis McOrist et al., 1995 Dataset Prokaryotic Nomenclature Up-to-Date (PNU) Rank SPECIES Published in Int. J. Syst. Bacteriol. 45::824 Classification genus Lawsonia species Lawsonia intracellularis Name Homonyms Lawsonia intracellularis McOrist et al., 1995