Canadensys: University of Alberta Vascular Plant Herbarium (ALTA-VP)
Canadensys, operated from the Université de Montréal Biodiversity Centre
"56374 - Claytonia perfoliata Donn ex Willd. ssp. mexicana (Rydb.) John M. Miller & K. L. Chambers, University of Alberta Vascular Plant Herbarium." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/12-82955. Accessed 21 Feb. 2025.