Weingartia westii (Hutchison) Donald in Natl. Cact. Succ. J. 13(4): 67. 1958 sec. Kiesling & al. 2014
- ≡Gymnocalycium westii Hutchison in Cact. Succ. J. (Los Angeles) 29: 11. 1957 syn. sec. Kiesling & al. 2014
- ≡Sulcorebutia westii (Hutchison) F.H.Brandt in Frankfurter Kakteenf. 3: 9. 1976 syn. sec. Kiesling & al. 2014
- =Weingartia vilcayensis Cárdenas in Cactus (Paris) 82: 46. 1964 syn. sec. Kiesling & al. 2014
- ≡Sulcorebutia vilcayensis (Cárdenas) F.H.Brandt in Frankfurter Kakteenf. 3: 9. 1976 syn. sec. Kiesling & al. 2014
- ≡Weingartia westii var. vilcayensis (Cárdenas) Donald in Ashingtonia 3(Suppl.): 138. 1978 syn. sec. ???