Gymnocalycium chiquitanum Cárdenas in Cactus (Paris) 78: 95. 1963 sec. Kiesling & al. 2014
- =Gymnocalycium hammerschmidii Backeb., Descr. Cact. Nov. 3: 7. 1963 syn. sec. Kiesling & al. 2014
- ≡Gymnocalycium chiquitanum var. hammerschmidii (Backeb.) H.Till in Gymnocalycium 21 (Sonderausgabe): 816. 2008 syn. sec. Kiesling & al. 2014