Vázquez-García, J.A., Basáñez, M.C., Acevedo-Rosas, R., Rosales-Martínez, C.S., Padilla-Lepe, J., Martínez-González, R.E., García-Ruiz, I., Gutierrez, B.G., Nieves-Hernández, G., Guzman, R.C., Shalisko, V., Machuca-Núñez, J.A., Hernández-López, L. & Muñiz-Castro, M. Á. (2025) Quetzalcoatlia (Crassulaceae), high small-scale diversification in western Mexico: a synopsis with four new species. Phytotaxa 695 (2): 207–254. https://doi.org/10.11646/phytotaxa.695.2.3