NOBEL, P. S. Recent Ecophysiological Findings for Opuntia ficus-indica and Other Cacti. Journal of the Professional Association for Cactus Development, [S. l.], p. 1–11, 1995. DOI: 10.56890/jpacd.vi.214. Disponível em: https://jpacd.org/jpacd/article/view/214. Acesso em: 25 dec. 2025.