Hernández H. M., Anderson E. F., A new species of Ariocarpus (Cactaceae), Bradleya, 1992, 10:1-4, doi: 10.25223/brad.n10.1992.a1
The original Ariocarpus bravoanus description presents stem, areoles, flowers and seeds. It covers name origin, habitat and assessment of relationships according to 1992 knowledge.