]> NEBC barcode-00872495 United States of America Massachusetts Mystic River Watershed, Middlesex Fells Reservation, between gates 24 &25 in a narrow unmowed strip adjoining the sidewalk on the Fellsway West (Route 28) Persicaria pensylvanica (Linnaeus) M. Gomez (Linnaeus) M. Gomez 2017-03-27 13:38:27 W. T. Kittredge