Canadensys: University of Alberta Vascular Plant Herbarium (ALTA-VP)
Canadensys, operated from the Université de Montréal Biodiversity Centre
"125212 - Lappula redowskii (Hornem.) Greene var. occidentalis (S. Watson) Rydb., University of Alberta Vascular Plant Herbarium." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/12-111363. Accessed 09 Sep. 2025.