Myriophyllum spicatum
Myriophyllum spicatum
(Eurasian watermilfoil)
Plants
Exotic

Impact ID10009
Impact TypeHabitat Alteration
Study TypeObservational
Study LocationField
Impact DescriptionIn Quebec, Myriophyllum spicatum was found to increase dissolved oxygen in surface waters and decrease dissolved oxygen in bottom water compared to native plants; thereby altering natural dissolved oxygen gradients.
Reference45515
Great Lakes RegionNo
Cost 
LocationLake Papineau, Quebec, Canada

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Citation information: U.S. Geological Survey. [2026]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [1/22/2026].

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