Ludwigia hexapetala
Ludwigia hexapetala
(six petal water primrose)

Impact ID2629
Impact TypeHuman Health
Study TypeObservational
Study LocationField
Impact DescriptionDense mats of Ludwigia hexapelata inhibit the effective application of larvicides for mosquito control. In the Laguna de Santa Rosa sub-basin of California’s Russian River watershed, a record number of adult mosquitoes were trapped adjacent to dense patches of L. hexapetala, coinciding with the arrival of the West Nile Virus, a mosquito-vectored disease.
Great Lakes RegionNo
LocationCalifornia, US

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Citation information: U.S. Geological Survey. [2022]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [11/26/2022].

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