Canadensys: University of Alberta Vascular Plant Herbarium (ALTA-VP)
Canadensys, operated from the Université de Montréal Biodiversity Centre
"113350 - Veronica wormskjoldii Roem. & Schult. ssp. alterniflora (Fern.) Pennell, University of Alberta Vascular Plant Herbarium." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/12-19055. Accessed 02 Dec. 2024.