Url,Type,Title,Publisher Place,Publisher,Date,Authors,Volume,Language,Pages https://www.biodiversitylibrary.org/page/42909352,Book,"Checklist of the vascular plants of the intermountain region ","Ogden, Utah","Intermountain Forest & Range Experiment Station, Forest Service, U.S. Dept. of Agriculture",1966,"Intermountain Forest and Range Experiment Station (Ogden, Utah) ",no.32,English,Page 28