Echinocactus pachycentrus Lehm. ex Pfeiff., Enum. Diagn. Cact.: 66. 1837
Echinocactus pachycentrus, Enum. Diagn. Cact.: 66. 1837
is basionym for Echinocactus centeterius f. pachycentrus, Kakteen: 235. 1926
is basionym for Echinocactus centeterius var. pachycentrus, Cact. Hort. Dyck., ed. 1849: 33. 1850
Echinocactus pachycentrus, Enum. Diagn. Cact.: 66. 1837