Opuntia woodsii Backeb., Descr. Cact. Nov. 1: 10. 1957 ["1956"] Opuntia woodsii Backeb., Descr. Cact. Nov. 1: 10. 1957 ["1956"]Taxon for this name? Opuntia woodsii Backeb., Descr. Cact. Nov. 1: 10. 1957 ["1956"]