Canadensys: University of Alberta Vascular Plant Herbarium (ALTA-VP)
Canadensys, operated from the Université de Montréal Biodiversity Centre
"61709 - Ceanothus greggii A. Gray var. perplexans (Trel.) Jeps., University of Alberta Vascular Plant Herbarium." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/12-86230. Accessed 21 Jan. 2025.