]> NEBC barcode-00872569 United States of America Massachusetts Mystic River Watershed, Middlesex Fells Reservation, south shore of Doleful Pond, GPS 42°28.034’N, 71°5.514’W Sagittaria latifolia Willdenow Willdenow 2017-04-10 12:44:40 W. T. Kittredge & B. T. Hamlin