Echinocereus enneacanthus subsp. brevispinus (W.O. Moore) N.P. Taylor in Cactaceae Consensus Init. 3: 8. 1997 sec. Hunt 2016
- ≡Echinocereus enneacanthus f. brevispinus W.O. Moore in Brittonia 19: 93. 1967 syn. sec. Guzmán & al. 2003
- =Cereus blanckii Poselg. in Allg. Gartenzeitung 21: 134. 1853 syn. sec. Blum & al. 1998
- =Echinocereus berlandieri var. blanckii (Poselg.) P. Fourn., Cactées Pl. Grasses 21. 1935 syn. sec. Blum & al. 1998
- =Echinocereus enneacanthus var. brevispinus (W.O. Moore) L.D. Benson in Cact. Succ. J. (Los Angeles) 41: 127. 1969 syn. sec. Guzmán & al. 2003