Morphological and anatomical analyses clarify the species definition of Ceratozamia latifolia Miq. (Zamiaceae) and lead to the description of a new species: Ceratozamia reesii
. Phytotaxa. 575, 3 (Dec. 2022), 224–252. DOI:https://doi.org/10.11646/phytotaxa.575.3.2.