Echinocactus karwinskii Zucc. ex Pfeiff., Enum. Diagn. Cact.: 50. 1837 Echinocactus karwinskii Zucc. ex Pfeiff., Enum. Diagn. Cact.: 50. 1837Taxon for this nameEchinocactus karwinskii Zucc. ex Pfeiff.
