Peronocactus werdermannianus (Herter) Doweld in Sukkulenty 2(2): 22. 1999 Peronocactus werdermannianus (Herter) Doweld in Sukkulenty 2(2): 22. 1999is new combination for Notocactus werdermannianus Herter in Revista Sudamer. Bot. 7: 75. 1942Taxon for this namePeronocactus werdermannianus (Herter) Doweld