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Image of Cascade knotweed
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Cascade Knotweed

Polygonum cascadense W. H. Baker

Jeff Ward   cc-by-nc-sa-4.0

Polygonum cascadense (Cascade Knotweed) is a species of annual herb in the family Polygonaceae. They are native to The Contiguous United States.

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EOL has data for 8 attributes, including:

Known occurrences, collected specimens and observations of Cascade knotweed. View this species on GBIF