Pyrrhocactus rupicola F.Ritter in Taxon 12: 32. 1963 Pyrrhocactus rupicola F.Ritter in Taxon 12: 32. 1963is basionym for Neoporteria rupicola (F.Ritter) Donald & G.D.Rowley in Cact. Succ. J. Gr. Brit. 28: 57. 1966is basionym for Neochilenia rupicola (F.Ritter) Backeb., Descr. Cact. Nov. 3: 10. 1963Taxon for this namePyrrhocactus rupicola F.Ritter