MORRISON, Helen. A Preliminary Botanical Survey of the Big Muddy Valley in Southern Saskatchewan. Blue Jay, [S. l.], v. 27, n. 1, 1969. DOI: 10.29173/bluejay3620. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/3620. Acesso em: 3 may. 2024.