Canadensys: University of Alberta Vascular Plant Herbarium (ALTA-VP)
Canadensys, operated from the Université de Montréal Biodiversity Centre
"102661 - Lesquerella arctica (Wormsk. ex Hornem.) S. Wats. ssp. calderi (G. A. Mulligan & A. E. Porsild) Hultén, University of Alberta Vascular Plant Herbarium." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/12-119060. Accessed 21 Jan. 2025.