Rebutia minuscula f. violaciflora (Backeb.) Buining & Donald in Sukkulentenkunde 7-8: 99. 1963 Rebutia minuscula f. violaciflora (Backeb.) Buining & Donald in Sukkulentenkunde 7-8: 99. 1963is new combination for Rebutia violaciflora Backeb. in Blätt. Kakteenf. 1935(8): 8. 1935Taxon for this nameRebutia minuscula f. violaciflora (Backeb.) Buining & Donald