Echinocactus setispinus var. hamatus (Muehlenpf.) Engelm. in Boston J. Nat. Hist. 6: 102. 1850
Echinocactus setispinus var. hamatus in Boston J. Nat. Hist. 6: 102. 1850
is new combination for Echinocactus hamatus in Allg. Gartenzeitung 16: 18. 1848
Echinocactus setispinus var. hamatus in Boston J. Nat. Hist. 6: 102. 1850
Taxon for this name