Ferocactus echidne (DC.) Britton & Rose, Cactaceae (Britton & Rose) 3: 136. 1922 sec. Hunt 2016
- ≡Echinocactus echidne DC., Coll. mém.: 19. 1834 syn. sec. Guzmán & al. 2003
- =Echinocactus victoriensis Rose in Contr. U.S. Natl. Herb. 12: 291. 1909 syn. sec. Guzmán & al. 2003
- =Echinocactus rafaelensis J.A. Purpus in Monatsschr. Kakteenk. 22: 163. 1912 syn. sec. Guzmán & al. 2003
- =Bisnaga echidne (DC.) Orcutt, Cactography 1. 1926 syn. sec. Guzmán & al. 2003
- =Ferocactus rafaelensis (J.A. Purpus) Britton & Rose ex Borg, Cacti (Borg): 236. 1937 syn. sec. Guzmán & al. 2003
- =Ferocactus echidne var. victoriensis (Rose) G.E. Linds. in Cact. Succ. J. (Los Angeles) 27: 168. 1955 syn. sec. Guzmán & al. 2003
- =Ferocactus victoriensis (Rose) Backeb., Cactaceae (Backeberg) 5: 2728. 1961 syn. sec. Guzmán & al. 2003
- =Parrycactus echidne (DC.) Doweld in Novosti Syst. Vyssh. Rast. 32: 118. 2000 syn. sec. Guzmán & al. 2003
- =Ferocactus echidne var. rhodanthus G. Unger in Kakteen And. Sukk. 54: 142. 2003 syn. sec. Hunt & al. 2006