Peronocactus oxycostatus (Buining & Brederoo) Doweld in Sukkulenty 2(2): 21. 1999 Peronocactus oxycostatus (Buining & Brederoo) Doweld in Sukkulenty 2(2): 21. 1999is new combination for Notocactus oxycostatus Buining & Brederoo in Krainz, Kakteen: 50-51: CVIc, 106 (fig.). 1972Taxon for this namePeronocactus oxycostatus (Buining & Brederoo) Doweld