Archila, F., E. Tribouillier-Navas, A. D. S. Medeiros, M. Á. Muñiz-Castro, and J. A. Vázquez-García. “The Tulip Magnolia (Magnoliaceae), an Endangered New Shrubby Species Endemic to Baja Verapaz, Guatemala”. Phytotaxa, vol. 629, no. 1, Dec. 2023, pp. 85-92, doi:10.11646/phytotaxa.629.1.7.