Loxanthocereus sulcifer var. longispinus Rauh & Backeb., Descr. Cact. Nov. 1: 14. 1957 ["1956"] Loxanthocereus sulcifer var. longispinus Rauh & Backeb., Descr. Cact. Nov. 1: 14. 1957 ["1956"]Taxon for this nameLoxanthocereus sulcifer var. longispinus Rauh & Backeb.
