]> NEBC barcode-00387521 United States of America Massachusetts Boston Basin Ecoregion: Mystic River Watershed. Middlesex Fells Reservation, east side of Whitmore Brook Trail, halfway between intersection with the Cross Fells Trail, and trail that joins on the north end. Mikania scandens (Linnaeus) Willdenow (Linnaeus) Willdenow 2013-03-11 09:21:52 B. T. Hamlin