]> NEBC barcode-00872119 United States of America Massachusetts Gulf of Maine Coastal Plain Ecoregion, Ipswich River Watershed. Harold Parker State Forest, south of Berry Pond, around outlet stream from Berry Pond, GPS 42.61718, 71.08506W Persicaria sagittata (Linnaeus) H. Gross (Linnaeus) H. Gross 2016-12-19 16:30:33 W. T. Kittredge