]> GH barcode-01924472 United States of America Maryland RR Right-of-way on banks of Conomingo Lake (Susquehanna River), just south of the MD-PA state line. Ageratina altissima (Linnaeus) R. M. King & H. Robinson (Linnaeus) R. M. King & H. Robinson 2020-11-12 19:42:33 S. R. Hill [data not captured]