"Species Details - Crepis runcinata (E. James) Torr. & A. Gray ssp. hispidulosa (Howell ex Rydb.) Babc. & Stebbins, University of Alberta Vascular Plant Herbarium." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/g/1-23327. Accessed 05 Apr. 2025.
There are 2 specimens of this Species.