DE VRIES, Bernard. Additions to the Vascular Flora of the Cypress Hills, Alberta. Blue Jay, [S. l.], v. 26, n. 2, 1968. DOI: 10.29173/bluejay3153. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/3153. Acesso em: 4 apr. 2025.