Abstract
The taxonomic status of the Mexican cycad Ceratozamia brevifrons is reassessed based on information from habitat, herbaria and living collections in the Botanic Garden ‘Jardin Botanico Francisco Javier Clavijero.’ Comparison of gross morphology of C. brevifrons with that of C. mexicana as well as analysis of leaflet anatomy, including that of C. robusta, has provided sufficient evidence for the removal of C. brevifrons from synonymy with C. mexicana. A neotype is designated for C. brevifrons and a description is presented.
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