Myriophyllum spicatum
Myriophyllum spicatum
(Eurasian watermilfoil)
Plants
Exotic
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50 results for Myriophyllum spicatum (Eurasian watermilfoil)
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Page:12
Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
243818 WABentonColumbia River, Lake Wallula, near Yakima River mouth and Bateman Island.2006 17030003 Lower Yakimaestablished
1525759 WABentonYakima River at Horn Rapids Pool2013 17030003 Lower Yakimaestablished
1529367 WABentonYakima River at Horn Rapids Pool2013 17030003 Lower Yakimaestablished
1528169 WABentonYakima River at Horn Rapids Pool2014 17030003 Lower Yakimaestablished
1526964 WABentonYakima River at Horn Rapids Pool2015 17030003 Lower Yakimaestablished
1525760 WABentonYakima River at Horn Rapids Pool2015 17030003 Lower Yakimaestablished
1529368 WABentonYakima River at Horn Rapids Pool2015 17030003 Lower Yakimaestablished
1528170 WABentonYakima River at Horn Rapids Pool2016 17030003 Lower Yakimaestablished
1526992 WABentonYakima River at Prosser Pool2010 17030003 Lower Yakimaestablished
1525788 WABentonYakima River at Prosser Pool2012 17030003 Lower Yakimaestablished
1529396 WABentonYakima River at Prosser Pool2015 17030003 Lower Yakimaestablished
1528198 WABentonYakima River at Prosser Pool2015 17030003 Lower Yakimaestablished
1525789 WABentonYakima River at Prosser Pool2017 17030003 Lower Yakimaestablished
1526993 WABentonYakima River at Prosser Pool2017 17030003 Lower Yakimaestablished
1529397 WABentonYakima River between Prosser and Horn Rapids2015 17030003 Lower Yakimaestablished
1528199 WABentonYakima River between Prosser and Horn Rapids2016 17030003 Lower Yakimaestablished
1529398 WABentonYakima River between Prosser and Horn Rapids2017 17030003 Lower Yakimaestablished
1525790 WABentonYakima River between Prosser and Horn Rapids2017 17030003 Lower Yakimaestablished
1526994 WABentonYakima River between Prosser and Horn Rapids2017 17030003 Lower Yakimaestablished
1526995 WABentonYakima River between Prosser and Horn Rapids2018 17030003 Lower Yakimaestablished
1525791 WABentonYakima River between Prosser and Horn Rapids2018 17030003 Lower Yakimaestablished
1528200 WABentonYakima River between Prosser and Horn Rapids2018 17030003 Lower Yakimaestablished
1529399 WABentonYakima River downstream of Horn Rapids Dam2015 17030003 Lower Yakimaestablished
1528201 WABentonYakima River downstream of Horn Rapids Dam2016 17030003 Lower Yakimaestablished
1526996 WABentonYakima River downstream of Horn Rapids Dam2017 17030003 Lower Yakimaestablished
Page:12

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. [2025]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [12/7/2025].

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