]> NEBC barcode-00872497 United States of America Massachusetts Mystic River Watershed, Middlesex Fells Reservation, just north of gate 25 in a 2 by 50 m. strip adjoining the sidewalk on the Fellsway West (Route 28), GPS 42°27.192’N, 71°6.265’W Amaranthus powellii S. Watson S. Watson 2017-03-27 13:44:25 W. T. Kittredge