Canadensys: University of Alberta Vascular Plant Herbarium (ALTA-VP)
Canadensys, operated from the Université de Montréal Biodiversity Centre
"136593 - Artemisia ludoviciana Nutt. ssp. gnaphalodes (Nutt.) Á. Löve & D. Löve, University of Alberta Vascular Plant Herbarium." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/12-147245. Accessed 04 Feb. 2025.