Canadensys: University of Alberta Vascular Plant Herbarium (ALTA-VP)
Canadensys, operated from the Université de Montréal Biodiversity Centre
"31220 - Hymenoxys grandiflora (Torr. & A. Gray) K. F. Parker, University of Alberta Vascular Plant Herbarium." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/12-155318. Accessed 02 Jun. 2025.