Canadensys: University of Alberta Vascular Plant Herbarium (ALTA-VP)
Canadensys, operated from the Université de Montréal Biodiversity Centre
"130243 - Potentilla pensylvanica L. var. glabrata (Lehm.) S. Watson, University of Alberta Vascular Plant Herbarium." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/12-115166. Accessed 21 Jun. 2025.