Coryphantha georgii Boed. in Monatsschr. Deutsch. Kakteen-Ges. 3: 163. 1931 sec. Hunt 2016
- =Coryphantha villarensis Backeb., Stachlige Wildnis: 377. 1942 syn. sec. Guzmán & al. 2003
- =Coryphantha grata L. Bremer in Cact. Succ. J. (Los Angeles) 53: 276. 1981 syn. sec. Guzmán & al. 2003