Canadensys: University of Alberta Vascular Plant Herbarium (ALTA-VP)
Canadensys, operated from the Université de Montréal Biodiversity Centre
"770 - Potamogeton alpinus Balbis var. tenuifolius (Raf.) Ogden, University of Alberta Vascular Plant Herbarium." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/12-371. Accessed 04 Mar. 2025.