Canadensys: University of Alberta Vascular Plant Herbarium (ALTA-VP)
Canadensys, operated from the Université de Montréal Biodiversity Centre
"111122 - Najas flexilis (Willd.) Rostk. & W. L. E. Schmidt, University of Alberta Vascular Plant Herbarium." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/12-15989. Accessed 23 Apr. 2025.