Canadensys: University of Alberta Vascular Plant Herbarium (ALTA-VP)
													
													
														Canadensys, operated from the Université de Montréal Biodiversity Centre
													
												"92881 - Arnica angustifolia Vahl ssp. angustifolia, University of Alberta Vascular Plant Herbarium." University of Alberta Museums Search Site, https://search-test.museums.ualberta.ca/12-110203. Accessed 04 Nov. 2025.