Fallopia japonica
Japanese knotweed
WTU specimens
Other herbaria

Origin: Introduced from eastern Asia

Conservation Status: Not of concern


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Accepted Name:
Fallopia japonica (Houtt.) Ronse Decr.
Publication: Bot. J. Linn. Soc. 98: 369. 1988.

Synonyms & Misapplications:
Reynoutria japonica Houtt.
var. japonica – Japanese knotweed
Additional Resources:

PNW Herbaria: Specimen records of Fallopia japonica in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Fallopia japonica checklist entry.

E-Flora BC: Fallopia japonica atlas page.

CalPhotos: Fallopia japonica photos.

USDA Plants: Fallopia japonica information.

12 photographs:
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