Canadensys: University of Alberta Vascular Plant Herbarium (ALTA-VP)
Canadensys, operated from the Université de Montréal Biodiversity Centre
"32725 - Polystichum munitum (Kaulf.) C. Presl var. imbricans (D. C. Eaton) Maxon, University of Alberta Vascular Plant Herbarium." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/12-17986. Accessed 13 Mar. 2025.