Mammillaria hernandezii Glass & R.A. Foster Mammillaria hernandezii Glass & R.A. Foster in Cact. Succ. J. (Los Angeles) 55: 22. 1983 sec. Hunt 2016=Bartschella hernandezii (Glass & R.A. Foster) Doweld in Sukkulenty 3: 38. 2000 syn. sec. Guzmán & al. 2003