Cephalocereus scoparius (Poselg.) Britton & Rose in Contr. U.S. Natl. Herb. 12: 419. 1909 sec. Tapia & al. 2017
- ≡Pilocereus scoparius Poselg. in Allg. Gartenzeitung 21: 126. 1853 syn. sec. Tapia & al. 2017
- =Cereus scoparius (Poselg.) A. Berger in Rep. (Annual) Missouri Bot. Gard. 16: 63. 1905 syn. sec. Tapia & al. 2017
- =Neobuxbaumia scoparia (Poselg.) Backeb. in Beitr. Sukkulentenk. Sukkulentenpflege 1941: 3. 1941 syn. sec. Tapia & al. 2017
- =Carnegiea scoparia (Poselg.) P.V. Heath in Calyx 2: 109. 1992 syn. sec. Tapia & al. 2017