Taxonomic status: Synonym

homotypic synonyms:
Carduus helenioides L.; Cirsium helenioides (L.) Hill; Cnicus helenioides (L.) Retz.;

protologue: Sp. Pl., ed. 5 (Willdenow) 3(3): 1674 (1803)
URL protologue: https://archive.org/stream/mobot31753002833041#page/1674/mode/2up

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