Fallopia japonica
(Japanese knotweed)
Plants
Exotic

Impact ID4682
Impact TypeHuman Health
Study TypeAnecdotal
Study LocationN/A
Impact DescriptionDecaying plant material from In times of flooding, dense stands of Japanese knotweed, Fallopia japonica, on the bankside impede flow and may exacerbate flooding, washed into rivers can create blockage and increase the risk of flooding, causing damage to urban flood protection schemes.
Reference37069
Great Lakes RegionNo
Cost 
LocationUK

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Citation information: U.S. Geological Survey. [2024]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [2/28/2024].

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