BÖHM, H. “Opuntia dillenii” – An Interesting and Promising Cactaceae Taxon. Journal of the Professional Association for Cactus Development, [S. l.], v. 10, p. 148–170, 2008. DOI: 10.56890/jpacd.v10i.127. Disponível em: https://www.jpacd.org/jpacd/article/view/127. Acesso em: 19 dec. 2025.