Author:Donna M. Cherniawsky Contents 1 Affiliation 1.1 Institution 1.2 Location 2 Treatments Affiliation Affiliation information has been provided by Volume 19-20-21. Institution The Provincial Museum of Alberta Location Edmonton, AlbertaTreatments PPetasites Petasites frigidus P cont.Petasites frigidus var. frigidus Petasites frigidus var. palmatus P cont.Petasites frigidus var. sagittatus Petasites frigidus var. ×vitifolius