Canadensys: University of Alberta Vascular Plant Herbarium (ALTA-VP)
Canadensys, operated from the Université de Montréal Biodiversity Centre
"142110 - Viola canadensis L. var. rugulosa (Greene) C. L. Hitchc., University of Alberta Vascular Plant Herbarium." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/12-169119. Accessed 10 Sep. 2024.