Canadensys: University of Alberta Vascular Plant Herbarium (ALTA-VP)
Canadensys, operated from the Université de Montréal Biodiversity Centre
"105505 - Viola pensylvanica Michx. var. leiocarpa (Fernald & Wiegand) Fernald, University of Alberta Vascular Plant Herbarium." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/12-161386. Accessed 14 Dec. 2024.