"Species Details - Crepis runcinata (E. James) Torr. & A. Gray var. hispidulosa Howell ex Rydb., University of Alberta Vascular Plant Herbarium." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/g/1-23326/12-151621. Accessed 12 Apr. 2025.
There are 2 specimens of this Species.