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PÉREZ-FARRERA, M. Á., MARTÍNEZ-MARTÍNEZ, M.G., MORENO-MÉNDEZ, G., VOVIDES, A.P. and GUTIÉRREZ-ORTEGA, J.S. 2024. <em>Ceratozamia alba </em>(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.