Taxonomic status: Synonym

homotypic synonyms:
Lepachys columnifera (Nutt.) J.F.Macbr.; Ratibida columnifera (Nutt.) Wooton & Standl.; Rudbeckia columnifera (Nutt.) Wooten & Standl.;

protologue: : no. 75 (1813)
URL protologue: https://archive.org/stream/#page/75/mode/2up

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