]> NEBC barcode-00549386 United States of America Massachusetts Boston Basin Ecoregion: Mystic River Watershed. Middlesex Fells Reservation, south of gate 53, west side of Fellsway East, GPS 42 26.494’N, 71 4.757’W Sonchus asper (Linnaeus) Hill (Linnaeus) Hill 2015-06-01 09:07:32 B. T. Hamlin