Mediolobivia schmiedcheniana var. steineckei Backeb., Descr. Cact. Nov. 1: 30. 1957 ["1956"]
Mediolobivia schmiedcheniana var. steineckei, Descr. Cact. Nov. 1: 30. 1957 ["1956"]
is basionym for Rebutia einsteinii var. steineckei in Sukkulentenkunde 7-8: 101. 1963
is basionym for Rebutia einsteinii f. steineckei in Ashingtonia 2: 112. 1976