Tephrocactus weberi var. setiger (Backeb.) Backeb., Cactaceae 1: 252. 1958 Tephrocactus weberi var. setiger (Backeb.) Backeb., Cactaceae 1: 252. 1958is new combination for Tephrocactus setiger Backeb., Kaktus-ABC: 106. 1936 ["1935"]Taxon for this nameTephrocactus weberi var. setiger (Backeb.) Backeb.