Canadensys: University of Alberta Vascular Plant Herbarium (ALTA-VP)
Canadensys, operated from the Université de Montréal Biodiversity Centre
"67192 - Sonchus arvensis L. var. glabrescens Günther, Grabowski & Wimmer, University of Alberta Vascular Plant Herbarium." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/12-169009. Accessed 17 Nov. 2024.