Echinocactus spectabilis Pfeiff., Enum. Diagn. Cact.: 61. 1837 Echinocactus spectabilis Pfeiff., Enum. Diagn. Cact.: 61. 1837Taxon for this nameEchinocactus spectabilis Pfeiff., Enum. Diagn. Cact.: 61. 1837
