Canadensys: University of Alberta Vascular Plant Herbarium (ALTA-VP)
Canadensys, operated from the Université de Montréal Biodiversity Centre
"29729 - Thalictrum sparsiflorum Turcz. ex Fisch. & C. A. Mey. var. richardsonii (A. Gray) B. Boivin, University of Alberta Vascular Plant Herbarium." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/12-123094. Accessed 26 Jan. 2025.