Notocactus scopa subsp. succineus (F.Ritter) Doweld in Sukkulenty 3: 56. 2000 Notocactus scopa subsp. succineus (F.Ritter) Doweld in Sukkulenty 3: 56. 2000is new combination for Notocactus succineus F.Ritter in Succulenta (Netherlands) 1970: 109. 1970Taxon for this nameNotocactus scopa subsp. succineus (F.Ritter) Doweld