Canadensys: University of Alberta Vascular Plant Herbarium (ALTA-VP)
Canadensys, operated from the Université de Montréal Biodiversity Centre
"62255 - Viola purpurea Kellogg ssp. integrifolia M. S. Baker & J. C. Clausen, University of Alberta Vascular Plant Herbarium." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/12-161439. Accessed 21 Dec. 2024.