Martínez-González, César Ramiro. 2025. “Opuntia ×soumaya (Cactaceae; Opuntioideae), a New Hybrid from Mexico Based on Morphological, Micromorphology and Molecular Evidence”. Phytotaxa 717 (1). Auckland, New Zealand:31-51. https://doi.org/10.11646/phytotaxa.717.1.2.