Martínez-González, C.R., Morales-Sandoval, J.D.J., González-Martínez, C.A., Jiménez-Ramírez, J. & 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 479 (2): 160–172. https://doi.org/10.11646/phytotaxa.479.2.2