Haynes, J. L. “Critical Review of ‘Monograph of Ceratozamia (Zamiaceae, Cycadales): an Endangered genus’ Published in PhytoKeys 208: 1–102 (2022)”. Phytotaxa, vol. 612, no. 2, Sept. 2023, pp. 159-00, doi:10.11646/phytotaxa.612.2.4.