Canadensys: University of Alberta Vascular Plant Herbarium (ALTA-VP)
Canadensys, operated from the Université de Montréal Biodiversity Centre
"72887 - Delphinium carolinianum Walter ssp. virescens (Nuttall) R. E. Brooks, University of Alberta Vascular Plant Herbarium." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/12-121185. Accessed 09 Jan. 2025.