Canadensys: University of Alberta Vascular Plant Herbarium (ALTA-VP)
Canadensys, operated from the Université de Montréal Biodiversity Centre
"68453 - Balsamorhiza hirsuta Nutt. var. lagocephala W.M. Sharp, University of Alberta Vascular Plant Herbarium." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/12-150511. Accessed 10 May. 2025.