Echinocactus echidne DC. in Coll. Mém. 8: 19. 1834
Echinocactus echidne in Coll. Mém. 8: 19. 1834
is basionym for Ferocactus echidne, Cactaceae 3: 135. 1922
is basionym for Parrycactus echidne in Novosti Sistematiki Vysshikh Rastenii 32: 118. 2000
is basionym for Echinofossulocactus echidne in Gard. Mag. (London) 17: 318. 1841