HARMS, Vernon L. Adder’s Mouth Orchids in Saskatchewan. Blue Jay, [S. l.], v. 42, n. 1, 1984. DOI: 10.29173/bluejay6236. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/6236. Acesso em: 7 may. 2024.