Canadensys: University of Alberta Vascular Plant Herbarium (ALTA-VP)
Canadensys, operated from the Université de Montréal Biodiversity Centre
"77665 - Utricularia vulgaris L. ssp. macrorhiza (Leconte) R. T. Clausen, University of Alberta Vascular Plant Herbarium." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/12-88676. Accessed 02 Mar. 2025.