Canadensys: University of Alberta Vascular Plant Herbarium (ALTA-VP)
Canadensys, operated from the Université de Montréal Biodiversity Centre
"68473 - Aster falcatus Lindl. ssp. commutatus (Torrey & A. Gray) A. G. Jones, University of Alberta Vascular Plant Herbarium." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/12-149743. Accessed 04 Aug. 2025.