]> NEBC barcode-00872309 United States of America Massachusetts Boston Basin Ecoregion: Muddy River Watershed. West side of the Muddy River, between a retaining wall and the Muddy River, GPS 42.34738N, 71.09198W (WGS-84) Asclepias syriaca Linnaeus Linnaeus 2017-02-23 16:26:43 Zachary Nowak