Canadensys: University of Alberta Vascular Plant Herbarium (ALTA-VP)
Canadensys, operated from the Université de Montréal Biodiversity Centre
"123982 - Cassiope tetragona (L.) D. Don ssp. saximontana (Small) A. E. Porsild, University of Alberta Vascular Plant Herbarium." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/12-107913. Accessed 17 Jan. 2025.