Persicaria extremiorientalis explained

Persicaria extremiorientalis, the east Asian smartweed, is a plant species in the buckwheat family, native to Japan, China, Korea, and far eastern Russia and introduced to the eastern United States where it is found from North Carolina to Massachusetts.^{[1] [2]}

Notes and References

1. Atha . Daniel E. . Nee . Michael H. . Naczi . Robert F. C.. 2010 . Persicaria extremiorientalis (Polygonaceae) is established in the flora of the eastern United States of America . The Journal of the Torrey Botanical Society . 137 . 4 . 333–338 . 10.3159/10-RA-033.1 . 86509452 .
2. Hamlin. Bryan T.. Kittredge. Walter T.. Rhodora. An update on the Middlesex Fells flora. 2013. 115. 962. 191–196. 10.3119/12-21. 86678741 .