Canadensys: University of Alberta Vascular Plant Herbarium (ALTA-VP)
Canadensys, operated from the Université de Montréal Biodiversity Centre
"68312 - Crepis atribarba A. Heller ssp. originalis (Babc. & Stebbins) Babc. & Stebbins, University of Alberta Vascular Plant Herbarium." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/12-151432. Accessed 25 Mar. 2025.