]> NEBC barcode-01154238 United States of America Massachusetts Boston Basin Ecoregion: Mystic River Watershed. Middlesex Fells Reservation, Virginia Woods, flat edge of parking lot on Pond Street at gate 42, GPS 42.457N, 71.086W Chenopodium album Linnaeus Linnaeus 2016-03-25 15:59:36 W. T. Kittredge & B. T. Hamlin