"Species Details - Elymus trachycaulus (Link) Gould ex Shinners ssp. violaceus (Hornem.) Á. Löve & D. Löve, University of Alberta Vascular Plant Herbarium." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/g/1-5679. Accessed 12 May. 2024.
There are 2 specimens of this Species.