]> NEBC barcode-00872723 United States of America Massachusetts Boston Basin Ecoregion: Mystic River Watershed. Middlesex Fells Reservation, Woodland Road north of Flynn Rink, GPS 42.4458N, 71.0946W Polygonum aviculare subsp. neglectum (Bess) Arcangeli (Bess) Arcangeli 2017-04-27 13:00:23 W. T. Kittredge