Taxonomic status: Synonym

homotypic synonyms:
Echinocactus setispinus Engelm.; Ferocactus setispinus (Engelm.) L.D.Benson; Thelocactus setispinus (Engelm.) E.F. Anderson;

protologue: Cactaceae 3: 104 (1922)
URL protologue: https://archive.org/stream/cactaceaedescri03brit#page/104/mode/2up

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