Canadensys: University of Alberta Vascular Plant Herbarium (ALTA-VP)
Canadensys, operated from the Université de Montréal Biodiversity Centre
"108765 - Sinosenecio newcombei (Greene) Janovec & T. M. Barkley, University of Alberta Vascular Plant Herbarium." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/12-166142. Accessed 09 Apr. 2025.