Martínez-González, C.R., Raymundo, T., Garza-Ocañas, F., Hernández-Ibarra, G., Nevarez, J.C.C., Guevara, G., Barrientos-Lozano, L. & García-Jiménez, J. (2026) Opuntia fortanelli, a new synonym of O. decumbens (Cactaceae). Phytotaxa 772 (1): 55–65. https://doi.org/10.11646/phytotaxa.772.1.4