Gymnocactus saueri (Boed.) Backeb. in Cactaceae (Berlin) 1941(2): 59. 1942
Gymnocactus saueri in Cactaceae (Berlin) 1941(2): 59. 1942
is new combination for Echinocactus saueri in Z. Sukkulentenk. 3(16): 362–363. 1928 ["1927-1928"]
Gymnocactus saueri in Cactaceae (Berlin) 1941(2): 59. 1942