Weingartia vilcayensis Cárdenas in Cactus (Paris) 82: 46. 1964
Weingartia vilcayensis in Cactus (Paris) 82: 46. 1964
is basionym for Weingartia westii var. vilcayensis in Ashingtonia 3(Suppl.): 138. 1978
is basionym for Sulcorebutia vilcayensis in Frankfurter Kakteenf. 3: 9. 1976