]> NEBC barcode-00872509 United States of America Massachusetts Mystic River Watershed, Middlesex Fells Reservation, Doleful Pond, GPS 42°28.045’N, 71°5.573’W Potamogeton foliosus Rafinesque Rafinesque 2017-04-03 15:44:38 W. T. Kittredge & B. T. Hamlin