Bolivicereus tenuiserpens (Rauh & Backeb.) Backeb., Cactaceae 6: 3677. 1962 Bolivicereus tenuiserpens (Rauh & Backeb.) Backeb., Cactaceae 6: 3677. 1962is new combination for Cleistocactus tenuiserpens Rauh & Backeb., Descr. Cact. Nov. 1: 17. 1957 ["1956"]Taxon for this nameBolivicereus tenuiserpens (Rauh & Backeb.) Backeb.