Canadensys: University of Alberta Vascular Plant Herbarium (ALTA-VP)
Canadensys, operated from the Université de Montréal Biodiversity Centre
"75273 - Solidago rigida L. ssp. humilis (Porter) S. B. Heard & Semple, University of Alberta Vascular Plant Herbarium." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/12-168619. Accessed 08 Jan. 2025.