Canadensys: University of Alberta Vascular Plant Herbarium (ALTA-VP)
Canadensys, operated from the Université de Montréal Biodiversity Centre
"125916 - Agrostis hyemalis (Walter) Britton, Sterns & Poggenb. var. scabra (Willd.) H. L. Blomq., University of Alberta Vascular Plant Herbarium." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/12-111371. Accessed 27 Apr. 2025.