Martínez-González, C. R., Morales-Sandoval, J. D. J., González-Martínez, C. A., Jiménez-Ramírez, J. and Gallegos-Vázquez, C. (2021) “Opuntia tehuacana and O. olmeca (Cactaceae, Opuntioideae) are to be considered as ascribed to a single species: morphological and molecular evidences”, Phytotaxa. Auckland, New Zealand, 479(2), pp. 160–172. doi: 10.11646/phytotaxa.479.2.2.