Canadensys: University of Alberta Vascular Plant Herbarium (ALTA-VP)
Canadensys, operated from the Université de Montréal Biodiversity Centre
"136672 - Arnica chamissonis Less. ssp. foliosa (Nutt.) Maguire, University of Alberta Vascular Plant Herbarium." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/12-148368. Accessed 11 Feb. 2025.