Taxonomic status: Synonym

homotypic synonyms:
Coryphantha echinus (Engelm.) Britton & Rose; Coryphantha echinus (Engelm.) Orcutt;

protologue: Proc. Amer. Acad. Arts 3: 267 (1856)
URL protologue: https://archive.org/stream/proceedingsofame03amer#page/267/mode/2up

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