Canadensys: University of Alberta Vascular Plant Herbarium (ALTA-VP)
Canadensys, operated from the Université de Montréal Biodiversity Centre
"100131 - Arnica alpina (L.) Olin & Ladau ssp. angustifolia (Vahl) Maguire, University of Alberta Vascular Plant Herbarium." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/12-140685. Accessed 02 Feb. 2025.