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