Borzicactus icosagonus subsp. humboldtii
Borzicactus icosagonus subsp. humboldtii in Bradleya 30: 101. 2012 sec. Hunt 20161
- ≡Cactus humboldtii, Nov. Gen. Sp. (quarto ed.) 6: 66. 1823 syn. sec. Hunt 20161
- ≡Cereus humboldtii, Prodr. 3: 467. 1828 syn. sec. Kew WCVP (2019)2
- ≡Cleistocactus humboldtii in Roland-Gosselin, Cleistocactus: 5. 1904 syn. sec. Hunt 20161
- ≡Borzicactus humboldtii, Cactaceae 2: 163. 1920 syn. sec. Hunt 20161
- ≡Binghamia humboldtii in Blätt. Kakteenf. 1934(10): 8, genus 48, sp. 2. 1934 syn. sec. Hunt 20161
- ≡Seticereus humboldtii in Cactaceae (Berlin) 1937(2): 14. 1937 syn. sec. TROPICOS 1988+3
- ≡Matucana humboldtii in Krainz, Kakteen 54: CVb. 1973 syn. sec. Kew WCVP (2019)2