Taxonomic status: Synonym

homotypic synonyms:
Cereus roemeri Muehlenpf.; Echinocereus roemeri (Muehlenpf.) Engelm. ex J.N.Haage;

protologue: Bull. Torrey Bot. Club 33: 146 (1906)
URL protologue: https://archive.org/stream/mobot31753002261672#page/146/mode/2up

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