Canadensys: University of Alberta Vascular Plant Herbarium (ALTA-VP)
Canadensys, operated from the Université de Montréal Biodiversity Centre
"128282 - Phragmites australis (Cav.) Trin. ex Steud. ssp. americanus Saltonstall, P. M. Peterson & Soreng, University of Alberta Vascular Plant Herbarium." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/12-116148. Accessed 30 Jan. 2025.