Canadensys: University of Alberta Vascular Plant Herbarium (ALTA-VP)
Canadensys, operated from the Université de Montréal Biodiversity Centre
"58052 - Streptanthus tortuosus Kellogg var. orbiculatus (Greene) H.M. Hall, University of Alberta Vascular Plant Herbarium." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/12-121010. Accessed 25 Mar. 2025.