Canadensys: University of Alberta Vascular Plant Herbarium (ALTA-VP)
Canadensys, operated from the Université de Montréal Biodiversity Centre
"106223 - Achillea millefolium L. ssp. borealis (Bong.) Breitung, University of Alberta Vascular Plant Herbarium." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/12-124898. Accessed 26 Dec. 2024.