Canadensys: University of Alberta Vascular Plant Herbarium (ALTA-VP)
Canadensys, operated from the Université de Montréal Biodiversity Centre
"61803 - Sphaeralcea ambigua A. Gray var. rosacea (Munz & I. M. Johnst.) Kearney, University of Alberta Vascular Plant Herbarium." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/12-86596. Accessed 30 Jan. 2025.