]> NEBC barcode-00753335 United States of America Massachusetts Charlemont Ageratina altissima (Linnaeus) R. M. King & H. Robinson (Linnaeus) R. M. King & H. Robinson 2016-07-06 02:34:20 W. Thies, F. Seymour, R. Seymour & W. Thies, Jr.