Sulcorebutia purpurea subsp. nadae Halda, Heřtus & Horáček in Acta Mus. Richnov., Sect. Nat., 12(1): 9. 2005 Sulcorebutia purpurea subsp. nadae Halda, Heřtus & Horáček in Acta Mus. Richnov., Sect. Nat., 12(1): 9. 2005Taxon for this nameSulcorebutia purpurea subsp. nadae Halda, Heřtus & Horáček