HARMS, V. L.; SILCOX, D. The Yellow Immaculate Lily in Saskatchewan and Adjacent Manitoba, and Its Persistence in Native Lily Patches. Blue Jay, [S. l.], v. 47, n. 2, 1989. DOI: 10.29173/bluejay4879. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/4879. Acesso em: 19 may. 2022.