Canadensys: University of Alberta Vascular Plant Herbarium (ALTA-VP)
Canadensys, operated from the Université de Montréal Biodiversity Centre
"52591 - Eriophorum angustifolium Honck. ssp. triste (Th. Fr.) Hultén, University of Alberta Vascular Plant Herbarium." University of Alberta Museums Search Site, https://search-test.museums.ualberta.ca/12-99423. Accessed 08 Oct. 2025.