Opuntia platyacantha hort. Dyck. ex Pfeiff. in Allg. Gartenzeitung 5: 371. 1837
Opuntia platyacantha in Allg. Gartenzeitung 5: 371. 1837
is basionym for Maihueniopsis platyacantha in Cactaceae Syst. Init. 25: 24. 2011
Neotype (designated by Hunt, D.R. 2011: 241): Argentina, Prov. Neuquén, depto Pehuenches, al sur de la Laguna Auquinco, al oeaste de la RP 17, 15 Dec 2002, Guaglianone & Belgrano 3249 (SI)