Croos-Hybridization and Seed Germination in Opuntia Species . Journal of the Professional Association for Cactus Development, [S. l.], v. 1, p. 49–60, 1996. DOI: 10.56890/jpacd.v1i.201. Disponível em: https://www.jpacd.org/jpacd/article/view/201. Acesso em: 19 dec. 2025.