Pérez-Farrera, M.A., Vovides, A.P., Ruiz-Castillejos, C., Galicia, S., Cibrián-Jaramillo, A. & López, S. (2016)

Anatomy and morphology suggest a hybrid origin of Zamia katzeriana (Zamiaceae)

. Phytotaxa 270 (3): 161–181. https://doi.org/10.11646/phytotaxa.270.3.1