Canadensys: University of Alberta Vascular Plant Herbarium (ALTA-VP)
Canadensys, operated from the Université de Montréal Biodiversity Centre
"18925 - Solidago nemoralis Ait. var. longipetiolata (Mack. & Bush) E. J. Palmer & Steyerm., University of Alberta Vascular Plant Herbarium." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/12-168433. Accessed 05 Jan. 2025.