]> NEBC barcode-00872715 United States of America Massachusetts Boston Basin Ecoregion: Mystic River Watershed. Middlesex Fells Reservation, Lawrence Woods, northeast of High School, GPS 42.4332N, 71.1232W Carex virescens Muhlenberg ex Willdenow Muhlenberg ex Willdenow 2017-04-26 14:51:31 W. T. Kittredge