Tephrocactus darwinii (Hensl.) Backeb., Kaktus-ABC: 113. 1936 ["1935"] Tephrocactus darwinii (Hensl.) Backeb., Kaktus-ABC: 113. 1936 ["1935"]is new combination for Opuntia darwinii Hensl. in Mag. Zool. Bot. 1: 466. 1837Taxon for this nameTephrocactus darwinii (Hensl.) Backeb.