Obregonia denegrii
Obregonia denegrii in Život v Přír. 29: 14. 1925 sec. Vázquez-Sánchez & al. 20131
- ≡Ariocarpus denegrii in Cact. Succ. J. (Los Angeles) 18: 56. 1946 syn. sec. TROPICOS 1988+2
- ≡Strombocactus denegrii in Repert. Pl. Succ. 23: 9. 1974 ["1972"] syn. sec. TROPICOS 1988+2
- 1. Vázquez-Sánchez, Terrazas, T., Arias, S. & Ochoterena, H. 2013: Molecular phylogeny, origin and taxonomic implications of the tribe Cacteae (Cactaceae). – Systematics and Biodiversity 11(1): 103-116. http://doi.org/10.1080/14772000.2013.775191, 2. TROPICOS 1988+: Tropicos.org. Missouri Botanical Garden – https://tropicos.org