CASTRO-CASTRO, A.; ORTIZ-BRUNEL, J. P.; ÁVILA-GONZÁLEZ, H.; LICHTER-MARCK, I. H.; CARRILLO-REYES, P.; LÓPEZ-ENRÍQUEZ, I. L.; BARVOSA-JIMÉNEZ, M. A. Spatial richness analysis and an evaluation of extinction risk for the genus Pachyphytum (Crassulaceae), with the description of a new species from Sierra Madre Occidental, Mexico. Phytotaxa, Auckland, New Zealand, v. 629, n. 3, p. 197–209, 2023. DOI: 10.11646/phytotaxa.629.3.2. Disponível em: https://phytotaxa.mapress.com/pt/article/view/phytotaxa.629.3.2. Acesso em: 6 dec. 2025.