Pérez-Farrera, M. Á., Martínez-Martínez, M.G., Moreno-Méndez, G., Vovides, A.P. and Gutiérrez-Ortega, J.S. 2024. Ceratozamia alba (Zamiaceae): A new cycad species from the Selva El Ocote Biosphere Reserve in Chiapas, Mexico. Phytotaxa. 666, 4 (Oct. 2024), 257–276. DOI:https://doi.org/10.11646/phytotaxa.666.4.2.