Rebutia xanthocarpa f. graciliflora (Backeb.) Donald in Ashingtonia 2: 50. 1975 Rebutia xanthocarpa f. graciliflora (Backeb.) Donald in Ashingtonia 2: 50. 1975is new combination for1 Rebutia graciliflora Backeb., Descr. Cact. Nov. 3: 13. 1963Taxon for this nameRebutia xanthocarpa f. graciliflora (Backeb.) Donald1. ICBN Art. 8.4