Canadensys: University of Alberta Vascular Plant Herbarium (ALTA-VP)
Canadensys, operated from the Université de Montréal Biodiversity Centre
"79524 - 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/12-135283. Accessed 11 Apr. 2025.