Taxonomic status: Synonym

homotypic synonyms:
Chlaenobolus rugosus (Vahl) Cass.; Conyza rugosa Vahl; Pterocaulon rugosum (Vahl) Malme;

protologue: Dict. Sci. Nat., ed. 2 49: 341 (1827)
URL protologue: https://archive.org/stream/dictionnairedess49cuvi#page/341/mode/2up

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