Disocactus speciosus subsp. aurantiacus (Kimnach) Ralf Bauer in Cactaceae Syst. Init. 17: 16. 2003 sec. Bauer 2003
- ≡Heliocereus aurantiacus Kimnach in Cact. Succ. J. (Los Angeles) 46: 67. 1974 syn. sec. Bauer 2003
- =Disocactus aurantiacus (Kimnach) Barthlott in Bradleya 9: 87. 1991 syn. sec. Bauer 2003