Rebutia cylindrica (Donald & A.B.Lau) Donald in Bradleya 5: 93. 1987 Rebutia cylindrica (Donald & A.B.Lau) Donald in Bradleya 5: 93. 1987is new combination for Sulcorebutia cylindrica Donald & A.B.Lau in Ashingtonia 1: 56. 1974Taxon for this nameRebutia cylindrica (Donald & A.B.Lau) Donald