Tephrocactus tarapacanus (Phil.) Backeb., Kaktus-ABC: 114. 1936 ["1935"] Tephrocactus tarapacanus (Phil.) Backeb., Kaktus-ABC: 114. 1936 ["1935"]is new combination for Opuntia tarapacana Phil. in Anales Mus. Nac. Santiago de Chile 1: 27. 1891Taxon for this nameTephrocactus tarapacanus (Phil.) Backeb.