Canadensys: University of Alberta Vascular Plant Herbarium (ALTA-VP)
Canadensys, operated from the Université de Montréal Biodiversity Centre
"122756 - Boykinia elata (Nutt.) Greene var. occidentalis (Torr. & A. Gray) Rosend. ex Engl., University of Alberta Vascular Plant Herbarium." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/12-103358. Accessed 22 Apr. 2025.