Martínez-González, C. R., Luna-Vega, I., Gallegos-Vázquez, C., & García-Sandoval, R. (2015).

Opuntia delafuentiana (Cactaceae: Opuntioideae), a new xoconostle from central Mexico

. Phytotaxa, 231(3), 230–244. https://doi.org/10.11646/phytotaxa.231.3.2