September 6,
Myles Standish State Forest, Carver
A bushy annual at a pond margin, close to roadside (EastHead Reservoir near the canoe launch area). Reference: Atha, D.E., M.H. Nee & R.F.C. Naczi. 2010. Persicaria extremiorientalis (Polygonaceae) is established in the flora of the eastern United States of America. The Journal of the Torrey Botanical Society 137: 333–338. https://doi.org/10.3159/10-RA-033.1
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