Canadensys: University of Alberta Vascular Plant Herbarium (ALTA-VP)
Canadensys, operated from the Université de Montréal Biodiversity Centre
"95204 - Hymenoxys acaulis (Pursh) K. F. Parker var. acaulis, University of Alberta Vascular Plant Herbarium." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/12-155305. Accessed 14 Mar. 2025.