Soehrensia korethroides (Werderm.) Backeb. in Cact. Succ. J. (Los Angeles) 23: 86. 1951 Soehrensia korethroides (Werderm.) Backeb. in Cact. Succ. J. (Los Angeles) 23: 86. 1951is new combination for Echinopsis korethroides Werderm. in Backeberg, Neue Kakteen: 84. 1931Taxon for this nameSoehrensia korethroides (Werderm.) Backeb.