Canadensys: University of Alberta Vascular Plant Herbarium (ALTA-VP)
Canadensys, operated from the Université de Montréal Biodiversity Centre
"140866 - Pulsatilla nuttalliana (de Candolle) Berchtold ex J. Presl, University of Alberta Vascular Plant Herbarium." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/12-166847. Accessed 07 Apr. 2025.