Myriophyllum spicatum
Myriophyllum spicatum
(Eurasian watermilfoil)
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9 results for Myriophyllum spicatum (Eurasian watermilfoil)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1891176 WAKing[No locality description provided]2025 17110012 Lake Washington 
1895478 WAKing[No locality description provided]2025 17110012 Lake Washington 
1892795 WASkamania[No locality description provided]2025 17070105 Middle Columbia-Hood 
1889761 WASnohomish[No locality description provided]2025 17110012 Lake Washington 
1889762 WASnohomish[No locality description provided]2025 17110012 Lake Washington 
1889765 WASnohomish[No locality description provided]2025 17110012 Lake Washington 
1889983 WASnohomish[No locality description provided]2025 17110012 Lake Washington 
1890668 WAWahkiakum[No locality description provided]2025 17080003 Lower Columbia-Clatskanie 
1891644 WAWahkiakum[No locality description provided]2025 17080003 Lower Columbia-Clatskanie 

Data Disclaimer: Number of records does not imply species abundance. This summary represent collection records only and may not reflect the actual distribution of established populations. These data are preliminary or provisional and are subject to revision. They are being provided to meet the need for timely best science. The data have not received final approval by the U.S. Geological Survey (USGS) and are provided on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from the authorized or unauthorized use of the data.

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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 [4/11/2026].

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