Canadensys: University of Alberta Vascular Plant Herbarium (ALTA-VP)
Canadensys, operated from the Université de Montréal Biodiversity Centre
"66048 - Antennaria howellii Greene ssp. neodioica (Greene) R. J. Bayer, University of Alberta Vascular Plant Herbarium." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/12-125902. Accessed 22 Mar. 2025.