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