Rebutia pulvinosa subsp. perplexa (Donald) Hjertson in Cactaceae Syst. Init. 15: 9. 2003 Rebutia pulvinosa subsp. perplexa (Donald) Hjertson in Cactaceae Syst. Init. 15: 9. 2003is new combination for Rebutia perplexa Donald in Ashingtonia 3(5-6): 150. 1979Taxon for this nameRebutia pulvinosa subsp. perplexa (Donald) Hjertson