Myriophyllum spicatum
Myriophyllum spicatum
(Eurasian watermilfoil)
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2821 results for Myriophyllum spicatum (Eurasian watermilfoil)
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Specimen IDCommon NameStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1743532 Eurasian watermilfoilALMadison[No locality description provided]2019 06030002 Wheeler Lake 
1632596 Eurasian watermilfoilARJohnson[No locality description provided]2019 11110202 Dardanelle Reservoirestablished
1673587 Eurasian watermilfoilCAMarin[No locality description provided]2019 18050005 Tomales-Drake Bays 
1672758 Eurasian watermilfoilCASanta Clara[No locality description provided]2019 18050003 Coyote 
1730843 Eurasian watermilfoilCASanta Clara[No locality description provided]2019 18050003 Coyote 
1886888 Eurasian watermilfoilCATrinity[No locality description provided]2019 18010211 Trinity 
1635322 Eurasian watermilfoilCOBoulderErie Lake2019 10190005 St. Vraineradicated
1689572 Eurasian watermilfoilCTMiddlesexConnecticut River2019 01080205 Outlet Connecticut Riverestablished
1689573 Eurasian watermilfoilCTMiddlesexConnecticut River2019 01080205 Outlet Connecticut Riverestablished
1689574 Eurasian watermilfoilCTMiddlesexConnecticut River2019 01080205 Outlet Connecticut Riverestablished
1689575 Eurasian watermilfoilCTMiddlesexConnecticut River2019 01080205 Outlet Connecticut Riverestablished
1689576 Eurasian watermilfoilCTMiddlesexConnecticut River2019 01080205 Outlet Connecticut Riverestablished
1689577 Eurasian watermilfoilCTMiddlesexConnecticut River2019 01080205 Outlet Connecticut Riverestablished
1689578 Eurasian watermilfoilCTMiddlesexConnecticut River2019 01080205 Outlet Connecticut Riverestablished
1689579 Eurasian watermilfoilCTMiddlesexConnecticut River2019 01080205 Outlet Connecticut Riverestablished
1689580 Eurasian watermilfoilCTMiddlesexConnecticut River2019 01080205 Outlet Connecticut Riverestablished
1689581 Eurasian watermilfoilCTMiddlesexConnecticut River2019 01080205 Outlet Connecticut Riverestablished
1689582 Eurasian watermilfoilCTMiddlesexConnecticut River2019 01080205 Outlet Connecticut Riverestablished
1689583 Eurasian watermilfoilCTMiddlesexConnecticut River2019 01080205 Outlet Connecticut Riverestablished
1689584 Eurasian watermilfoilCTMiddlesexConnecticut River2019 01080205 Outlet Connecticut Riverestablished
1689585 Eurasian watermilfoilCTMiddlesexConnecticut River2019 01080205 Outlet Connecticut Riverestablished
1689586 Eurasian watermilfoilCTMiddlesexConnecticut River2019 01080205 Outlet Connecticut Riverestablished
1689587 Eurasian watermilfoilCTMiddlesexConnecticut River2019 01080205 Outlet Connecticut Riverestablished
1689588 Eurasian watermilfoilCTMiddlesexConnecticut River2019 01080205 Outlet Connecticut Riverestablished
1689589 Eurasian watermilfoilCTMiddlesexConnecticut River2019 01080205 Outlet Connecticut Riverestablished
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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 [2/22/2026].

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.