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Image of Japanese Knotweed
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Japanese Knotweed

Reynoutria japonica Houtt.

HermannFalkner/sokol   http://creativecommons.org/licenses/by-nc/2.0/

Reynoutria japonica (Japanese Knotweed) is a species of perennial herb in the family Polygonaceae. They are native to Asia.

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EOL has data for 7 attributes, including:

Known occurrences, collected specimens and observations of Japanese Knotweed. View this species on GBIF