Canadensys: University of Alberta Vascular Plant Herbarium (ALTA-VP)
Canadensys, operated from the Université de Montréal Biodiversity Centre
"71824 - Rosa acicularis Lindl. ssp. sayi (Schwein.) W. H. Lewis, University of Alberta Vascular Plant Herbarium." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/12-135270. Accessed 15 Mar. 2025.