Canadensys: University of Alberta Vascular Plant Herbarium (ALTA-VP)
Canadensys, operated from the Université de Montréal Biodiversity Centre
"78192 - Carex atratiformis Britton ssp. raymondii (Calder) Porsild, University of Alberta Vascular Plant Herbarium." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/12-95654. Accessed 23 Mar. 2025.