]> NEBC barcode-00549353 United States of America Massachusetts Boston Basin Ecoregion: Mystic River Watershed. Middlesex Fells Reservation, islet off southwest shore of South Reservoir, GPS 42 27.890’N, 71 5.969’W Eupatorium perfoliatum Linnaeus Linnaeus 2021-05-10 08:06:38 B. T. Hamlin