Canadensys: University of Alberta Vascular Plant Herbarium (ALTA-VP)
Canadensys, operated from the Université de Montréal Biodiversity Centre
"77602 - 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/12-110284. Accessed 27 Mar. 2025.