Canadensys: University of Alberta Vascular Plant Herbarium (ALTA-VP)
Canadensys, operated from the Université de Montréal Biodiversity Centre
"143166 - Symphyotrichum laeve (Linnaeus) Á. Löve & D. Löve var. geyeri (A. Gray) G. L. Nesom, University of Alberta Vascular Plant Herbarium." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/12-199524. Accessed 20 Jan. 2025.