Canadensys: University of Alberta Vascular Plant Herbarium (ALTA-VP)
Canadensys, operated from the Université de Montréal Biodiversity Centre
"104556 - Arabis hirsuta (L.) Scop. ssp. pycnocarpa (M. Hopkins) Hultén, University of Alberta Vascular Plant Herbarium." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/12-102254. Accessed 18 Jan. 2025.