]> GH barcode-02188682 United States of America Maryland along Tobacco Road near junction of Hill Road; ca. 0.3 mi S of Bryan Point; near Potomac River.; near Charles Co. line. Conoclinium coelestinum (Linnaeus) de Candolle (Linnaeus) de Candolle 2020-12-01 16:26:25 S. R. Hill & M. A. Klein