Trichocereus tetracanthus (Labour.) Borg, Cacti, ed. 1: 137. 1937 Trichocereus tetracanthus (Labour.) Borg, Cacti, ed. 1: 137. 1937is new combination for Cereus tetracanthus Labour. in Rev. Hort. (Paris) 4: 25. 1855Taxon for this nameTrichocereus tetracanthus (Labour.) Borg