Canadensys: University of Alberta Vascular Plant Herbarium (ALTA-VP)
Canadensys, operated from the Université de Montréal Biodiversity Centre
"139484 - Plagiobothrys scouleri (Hook. & Arn.) I. M. Johnst., University of Alberta Vascular Plant Herbarium." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/12-161127. Accessed 12 Jun. 2025.