Myriophyllum spicatum
Myriophyllum spicatum
(Eurasian watermilfoil)
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148 results for Myriophyllum spicatum (Eurasian watermilfoil)
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Page:123456
Specimen IDCommon NameStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
243818 Eurasian watermilfoilWABentonColumbia River, Lake Wallula, near Yakima River mouth and Bateman Island.2006 17030003 Lower Yakimaestablished
1525759 Eurasian watermilfoilWABentonYakima River at Horn Rapids Pool2013 17030003 Lower Yakimaestablished
1529367 Eurasian watermilfoilWABentonYakima River at Horn Rapids Pool2013 17030003 Lower Yakimaestablished
1528169 Eurasian watermilfoilWABentonYakima River at Horn Rapids Pool2014 17030003 Lower Yakimaestablished
1529368 Eurasian watermilfoilWABentonYakima River at Horn Rapids Pool2015 17030003 Lower Yakimaestablished
1525760 Eurasian watermilfoilWABentonYakima River at Horn Rapids Pool2015 17030003 Lower Yakimaestablished
1526964 Eurasian watermilfoilWABentonYakima River at Horn Rapids Pool2015 17030003 Lower Yakimaestablished
1528170 Eurasian watermilfoilWABentonYakima River at Horn Rapids Pool2016 17030003 Lower Yakimaestablished
1526992 Eurasian watermilfoilWABentonYakima River at Prosser Pool2010 17030003 Lower Yakimaestablished
1525788 Eurasian watermilfoilWABentonYakima River at Prosser Pool2012 17030003 Lower Yakimaestablished
1528198 Eurasian watermilfoilWABentonYakima River at Prosser Pool2015 17030003 Lower Yakimaestablished
1529396 Eurasian watermilfoilWABentonYakima River at Prosser Pool2015 17030003 Lower Yakimaestablished
1525789 Eurasian watermilfoilWABentonYakima River at Prosser Pool2017 17030003 Lower Yakimaestablished
1526993 Eurasian watermilfoilWABentonYakima River at Prosser Pool2017 17030003 Lower Yakimaestablished
1529397 Eurasian watermilfoilWABentonYakima River between Prosser and Horn Rapids2015 17030003 Lower Yakimaestablished
1528199 Eurasian watermilfoilWABentonYakima River between Prosser and Horn Rapids2016 17030003 Lower Yakimaestablished
1526994 Eurasian watermilfoilWABentonYakima River between Prosser and Horn Rapids2017 17030003 Lower Yakimaestablished
1529398 Eurasian watermilfoilWABentonYakima River between Prosser and Horn Rapids2017 17030003 Lower Yakimaestablished
1525790 Eurasian watermilfoilWABentonYakima River between Prosser and Horn Rapids2017 17030003 Lower Yakimaestablished
1525791 Eurasian watermilfoilWABentonYakima River between Prosser and Horn Rapids2018 17030003 Lower Yakimaestablished
1526995 Eurasian watermilfoilWABentonYakima River between Prosser and Horn Rapids2018 17030003 Lower Yakimaestablished
1528200 Eurasian watermilfoilWABentonYakima River between Prosser and Horn Rapids2018 17030003 Lower Yakimaestablished
1529399 Eurasian watermilfoilWABentonYakima River downstream of Horn Rapids Dam2015 17030003 Lower Yakimaestablished
1528201 Eurasian watermilfoilWABentonYakima River downstream of Horn Rapids Dam2016 17030003 Lower Yakimaestablished
1526996 Eurasian watermilfoilWABentonYakima River downstream of Horn Rapids Dam2017 17030003 Lower Yakimaestablished
Page:123456

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.

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 [1/15/2026].

Contact us if you are using data from this site for a publication to make sure the data are being used appropriately and for potential co-authorship if warranted.

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