Rebutia minuscula subsp. violaciflora (Backeb.) Donald in Ashingtonia 2: 43. 1975 Rebutia minuscula subsp. violaciflora (Backeb.) Donald in Ashingtonia 2: 43. 1975is new combination for Rebutia violaciflora Backeb. in Blätt. Kakteenf. 1935(8): 8. 1935Taxon for this nameRebutia minuscula subsp. violaciflora (Backeb.) Donald