Tephrocactus noodtiae Backeb. & H.Jacobsen, Descr. Cact. Nov.: 8. 1957 Tephrocactus noodtiae Backeb. & H.Jacobsen, Descr. Cact. Nov.: 8. 1957is basionym for Opuntia noodtiae (Backeb. & H.Jacobsen) G.D.Rowley in Natl. Cact. Succ. J. 13(1): 5. 1958Taxon for this nameTephrocactus noodtiae Backeb. & H.Jacobsen