Cylindrorebutia einsteinii (Frič ex Kreuz. & Buining) Brederoo in Succulenta (Netherlands) 1959: 123. 1959 Cylindrorebutia einsteinii (Frič ex Kreuz. & Buining) Brederoo in Succulenta (Netherlands) 1959: 123. 1959Taxon for this nameCylindrorebutia einsteinii (Frič ex Kreuz. & Buining) Brederoo