Canadensys: University of Alberta Vascular Plant Herbarium (ALTA-VP)
Canadensys, operated from the Université de Montréal Biodiversity Centre
"12786 - Viola praemorsa Douglas ex Lindl. ssp. linguifolia M. S. Baker & J. C. Clausen ex M. Peck, University of Alberta Vascular Plant Herbarium." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/12-161404. Accessed 18 Nov. 2024.