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Image of Wiry Knotweed
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Wiry Knotweed

Polygonum majus (Meisn.) Piper

2008 Keir Morse   cc-by-nc-sa-3.0

Polygonum majus (Wiry Knotweed) is a species of annual herb in the family Polygonaceae. They are native to Canada and The Contiguous United States.

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EOL has data for 8 attributes, including:

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