Canadensys: University of Alberta Vascular Plant Herbarium (ALTA-VP)
Canadensys, operated from the Université de Montréal Biodiversity Centre
"61732 - Ceanothus integerrimus Hook. & Arn. var. californicus (Kellogg) G. T. Benson, University of Alberta Vascular Plant Herbarium." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/12-86197. Accessed 22 Feb. 2025.