Canadensys: University of Alberta Vascular Plant Herbarium (ALTA-VP)
Canadensys, operated from the Université de Montréal Biodiversity Centre
"74539 - Arctostaphylos uva-ursi (L.) Spreng. ssp. longipilosa Packer & Denford, University of Alberta Vascular Plant Herbarium." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/12-38. Accessed 19 Jan. 2025.