Canadensys: University of Alberta Vascular Plant Herbarium (ALTA-VP)
Canadensys, operated from the Université de Montréal Biodiversity Centre
"128343 - Thinopyrum intermedium (Host) Barkworth & D. R. Dewey ssp. barbulatum (Schur) Barkworth & D. R. Dewey, University of Alberta Vascular Plant Herbarium." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/12-116209. Accessed 11 Apr. 2025.