Mammillaria mystax Mart. in Nova Acta Acad. Caes. Leop.-Carol. German. Nat. Cur. 16: 332. 1832 sec. Hunt 2016
- =Cactus mystax (Mart.) Kuntze, Rev. Gen. Pl. 1: 261. 1891 syn. sec. Guzmán & al. 2003
- =Neomammillaria mystax (Mart.) Britton & Rose, Cactaceae (Britton & Rose) 4: 92. 1923 syn. sec. Guzmán & al. 2003
- =Mammillaria crispiseta R.T. Craig, Mammillaria Handb.: 308. 1945 syn. sec. Guzmán & al. 2003
- =Mammillaria casoi Bravo in Anales Inst. Biol. Univ. Nac. México 25: 540. 1954 syn. sec. Guzmán & al. 2003
- =Mammillaria huajuapensis Bravo in Anales Inst. Biol. Univ. Nac. México 25: 536. 1954 syn. sec. Guzmán & al. 2003
- =Mammillaria mixtecensis Bravo in Anales Inst. Biol. Univ. Nac. México 25: 534. 1954 syn. sec. Guzmán & al. 2003
- =Mammillaria atroflorens Backeb., Cactaceae (Backeberg) 6: 3892. 1962 syn. sec. Guzmán & al. 2003
- =Mammillaria erythra Repp., Gatt. Mammillaria: 180. 1987 syn. sec. Guzmán & al. 2003
- =Mammillaria mystax var. huajuapensis (Bravo) Linzen in Mitteilungsbl. Arbeitskreises Mammillarienfr. 15: 62. 1991 syn. sec. ???