Canadensys: University of Alberta Vascular Plant Herbarium (ALTA-VP)
Canadensys, operated from the Université de Montréal Biodiversity Centre
"19201 - Carya ovalis (Wangenh.) Sarg. var. obcordata (Muhl.) Sarg., University of Alberta Vascular Plant Herbarium." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/12-81366. Accessed 06 Apr. 2025.