MAW, M. G.; MOLLOY, M. M. Prickly-Pear Cactus on the Canadian Prairies. Blue Jay, [S. l.], v. 38, n. 4, 1980. DOI: 10.29173/bluejay6118. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/6118. Acesso em: 19 may. 2024.