Myriophyllum spicatum
Myriophyllum spicatum
(Eurasian watermilfoil)
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12 results for Myriophyllum spicatum (Eurasian watermilfoil)
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Specimen IDCommon NameStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1671071 Eurasian watermilfoilIDBenewah[No locality description provided]2017 17010304 St. Joe 
1885227 hybrid watermilfoilIDBenewahBenewah Lake2016 17010304 St. Joeestablished
1885225 hybrid watermilfoilIDBenewahChatcolet Lake2016 17010304 St. Joeestablished
878071 Eurasian watermilfoilIDBenewahChatcolet Lake2005 17010304 St. Joeestablished
237223 Eurasian watermilfoilIDBenewahChatcolet Lake near Rocky Point/Hayburn State Park2005 17010304 St. Joeestablished
1885226 hybrid watermilfoilIDBenewahRound Lake2016 17010304 St. Joeestablished
237224 Eurasian watermilfoilIDBenewahRound Lake2005 17010304 St. Joeestablished
878072 Eurasian watermilfoilIDBenewahRound Lake2005 17010304 St. Joeestablished
1885228 hybrid watermilfoilIDBenewahSaint Joe River2016 17010304 St. Joeestablished
1885364 Eurasian watermilfoilIDBenewahSaint Joe River2016 17010304 St. Joeestablished
1885229 hybrid watermilfoilIDBenewahSaint Maries River2016 17010304 St. Joeestablished
237259 Eurasian watermilfoilIDBenewahSt Maries River2006 17010304 St. Joeestablished

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 [2/21/2026].

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