Canadensys: University of Alberta Vascular Plant Herbarium (ALTA-VP)
Canadensys, operated from the Université de Montréal Biodiversity Centre
"99460 - Polanisia dodecandra (L.) DC. var. trachysperma (Torr. & A. Gray) H. H. Iltis, University of Alberta Vascular Plant Herbarium." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/12-83883. Accessed 24 Mar. 2025.