México (Country)endemicA,B: HidalgonativeA,B; Querétaro de ArteaganativeA,B; San Luis Potosínative ‒ nativeA,B
Bibliografía
A.Calonje, M., Stevenson, D. W. & Osborne, R. 2013: The World List of Cycads, online edition [Internet]
B.Martínez-Domínguez, L., Nicolalde-Morejón, F. & Stevenson, D. W. 2017: Qualitative and quantitative morphological evidence for recognition of a new species within Ceratozamia (Zamiaceae) from Mexico. – Phytotaxa 317(1): 17-28