Cephalocereus apicicephalium E.Y. Dawson, Allan Hancock Found. Publ. Occas. Pap. 1-2: 10. 1948 sec. Hunt 2016
- =Neodawsonia apicicephalium (E.Y. Dawson) Backeb. in Blätt. Sukkulentenk. 1: 4. 1949 syn. sec. Guzmán & al. 2003
- =Neodawsonia guiengolensis Bravo in Anales Inst. Biol. Univ. Nac. México 27: 12. 1956 syn. sec. Guzmán & al. 2003
- =Neodawsonia nana Bravo in Anales Inst. Biol. Univ. Nac. México 27: 15. 1956 syn. sec. Guzmán & al. 2003