Canadensys: University of Alberta Vascular Plant Herbarium (ALTA-VP)
Canadensys, operated from the Université de Montréal Biodiversity Centre
"155 - Matteuccia struthiopteris (L.) Todaro var. pensylvanica (Willd.) C. V. Morton, University of Alberta Vascular Plant Herbarium." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/12-17529. Accessed 23 Dec. 2024.