]> NEBC barcode-02265898 United States of America Maine North Branch Meduxnekeag River near Harvey, Twp C, Range 2 Ageratina altissima (Linnaeus) R. M. King & H. Robinson (Linnaeus) R. M. King & H. Robinson 2025-06-09 10:50:05 R. C. Bean, S. K. Harris & D. White