"Species Details - 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/g/1-7187. Accessed 30 Jan. 2025.
There is 1 specimen of this Species.