Neoporteria atrispinosa (Backeb.) Backeb. in Kakteenkunde 1939: 81. 1939 Neoporteria atrispinosa (Backeb.) Backeb. in Kakteenkunde 1939: 81. 1939is new combination for Chilenia atrispinosa Backeb. in Blätt. Kakteenf. 1938(3): 1. 1938Taxon for this nameNeoporteria atrispinosa (Backeb.) Backeb.