Canadensys: University of Alberta Vascular Plant Herbarium (ALTA-VP)
Canadensys, operated from the Université de Montréal Biodiversity Centre
"62254 - Viola purpurea Kellogg 4ssp. mesophyta M. S. Baker & J. C. Clausen, University of Alberta Vascular Plant Herbarium." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/12-161442. Accessed 30 Dec. 2024.