Specimen Information

Myriophyllum spicatum
Myriophyllum spicatum
(Eurasian watermilfoil)
Plants
Exotic

Specimen ID230551
GroupPlants
GenusMyriophyllum
Speciesspicatum
Common NameEurasian watermilfoil
StateWA
CountyPacific
LocalityLoomis Lake
Mapping AccuracyAccurate
HUC8 NameWillapa Bay
HUC8 Number17100106
HUC10 NameLong Beach-Frontal Pacific Ocean
HUC10 Number1710010607
HUC12 NameNorth Beach Peninsula-Frontal Pacific Ocean
HUC12 Number171001060702
Map
Collection Year1998
Year AccuracyActual
Potential Pathwayunknown
Statusestablished
Record TypePersonal communication
Freshwater/MarineFreshwater


Disclaimer:

The data represented on this site vary in accuracy, scale, completeness, extent of coverage and origin. It is the user's responsibility to use these data consistent with their intended purpose and within stated limitations. We highly recommend reviewing metadata files prior to interpreting these data.

Citation information: U.S. Geological Survey. [2026]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [1/18/2026].

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For general information and questions about the database, contact Wesley Daniel. For problems and technical issues, contact Matthew Neilson.