Rebutia minuscula subsp. grandiflora (Backeb.) Donald in Ashingtonia 2: 43. 1975 Rebutia minuscula subsp. grandiflora (Backeb.) Donald in Ashingtonia 2: 43. 1975is new combination for Rebutia grandiflora Backeb., Kaktus-ABC: 416. 1936 ["1935"]Taxon for this nameRebutia minuscula subsp. grandiflora (Backeb.) Donald