title: From rudbeckia to echinacea: the emergence of the purple cone flower in modern therapeutics.
authors.affiliation: Lloyd Library & Museum, Cincinnati, OH.
authors.forename: M A
authors.initials: MA
authors.lastname: Flannery
mesh_terms: D004358:Drug Therapy / Q000266:history*; D049711:History, Modern 1601-; D008517:Phytotherapy / Q000266:history*; D010946:Plants, Medicinal; D014481:United States