Thelocactus saueri (Boed.) Borg, Cacti, ed. 1: 281. 1937 Thelocactus saueri (Boed.) Borg, Cacti, ed. 1: 281. 1937is new combination for Echinocactus saueri Boed. in Z. Sukkulentenk. 3(16): 362–363. 1928 ["1927-1928"]Taxon for this nameThelocactus saueri (Boed.) Borg