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Searching for: name like Reynoutria japonica
Click on the Scientific Name to see a Taxon Report.
Fallopia japonica
Japanese knotweed
invasive non-native
Perennial herb
Fallopia japonica
© 2021 Margot Cunningham
Fallopia japonica
© 2006 Dr. Amadej Trnkoczy
CalPhotos (UCB)
Fallopia japonica
© 2018 Rachel Kesel
    Suggested Citation
    Calflora: Information on California plants for education, research and conservation. [web application]. 2021. Berkeley, California: The Calflora Database [a non-profit organization]. Available:   (Accessed: Oct 25, 2021).

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