BEST, K. F. Bluebur - A Weedy Pest. Blue Jay, [S. l.], v. 23, n. 1, 1965. DOI: 10.29173/bluejay3183. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/3183. Acesso em: 4 may. 2024.