Neochilenia pygmaea (F.Ritter) Backeb., Descr. Cact. Nov. 3: 9. 1963 Neochilenia pygmaea (F.Ritter) Backeb., Descr. Cact. Nov. 3: 9. 1963is new combination for Pyrrhocactus pygmaeus F.Ritter in Taxon 12: 32. 1963Taxon for this nameNeochilenia pygmaea (F.Ritter) Backeb.