Hamatocactus Britton & Rose, Cactaceae 3: 104. 1922 Hamatocactus Britton & Rose, Cactaceae 3: 104. 1922Type: Hamatocactus setispinus (Engelm.) Britton & RoseTaxon for this nameHamatocactus Britton & Rose Main menuHome How To Use Checklist Updates Editorial Credits Admin