Canadensys: University of Alberta Vascular Plant Herbarium (ALTA-VP)
Canadensys, operated from the Université de Montréal Biodiversity Centre
"61789 - Sphaeralcea munroana (Douglas ex Lindl.) Spach ex A. Gray, University of Alberta Vascular Plant Herbarium." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/12-86657. Accessed 06 Apr. 2025.