Sulcorebutia steinbachii (Werderm.) Backeb., Cact. Succ. J. Gr. Brit. 13: 103. 1951 Sulcorebutia steinbachii (Werderm.) Backeb., Cact. Succ. J. Gr. Brit. 13: 103. 1951is new combination for Rebutia steinbachii Werderm. in Notizbl. Bot. Gart. Berlin-Dahlem 11: 268. 1931Taxon for this nameSulcorebutia steinbachii (Werderm.) Backeb.