Echinocactus mammulosus var. typica Speg. in Anales Mus. Nac. Buenos Aires, ser. 3, 4: 496. 1905 Echinocactus mammulosus var. typica Speg. in Anales Mus. Nac. Buenos Aires, ser. 3, 4: 496. 1905Taxon for this nameEchinocactus mammulosus var. typica Speg.
