Vázquez-García, J.A., Véliz-Pérez, M.E., Tribouillier-Navas, E. & Muñiz-Castro, M.A. (2013) Magnolia quetzal and Magnolia mayae, a new species and a new record, respectively, for the flora of Guatemala. Phytotaxa 76 (1): 1–6. https://doi.org/10.11646/phytotaxa.76.1.1