Canadensys: University of Alberta Vascular Plant Herbarium (ALTA-VP)
Canadensys, operated from the Université de Montréal Biodiversity Centre
"57 - Athyrium filix-femina (L.) Roth var. michauxii (Spreng.) Farw., University of Alberta Vascular Plant Herbarium." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/12-7060. Accessed 09 Feb. 2025.