Canadensys: University of Alberta Vascular Plant Herbarium (ALTA-VP)
Canadensys, operated from the Université de Montréal Biodiversity Centre
"134520 - Alnus alnobetula (Ehrhart) K. Koch ssp. sinuata (Regel) Raus, University of Alberta Vascular Plant Herbarium." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/12-127606. Accessed 23 Apr. 2025.