"Species Details - Agropyron smithii Rydb. var. molle (Scribn. & J. G. Sm.) M. E. Jones, University of Alberta Vascular Plant Herbarium." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/g/1-6197/12-64709. Accessed 06 Apr. 2025.
There are 6 specimens of this Species.