]> NEBC barcode-00521871 United States of America Massachusetts Boston Basin Ecoregion: Muddy River Watershed. Back Bay Fens, between Agassiz Road and the east side of Muddy River, GPS 42.343800N, 71.092979W (WGS-84) Sambucus nigra subsp. canadensis (Linnaeus) Bolli (Linnaeus) Bolli 2016-01-13 16:03:58 Zachary Nowak