Myriophyllum spicatum
Myriophyllum spicatum
(Eurasian watermilfoil)
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2057 results for Myriophyllum spicatum (Eurasian watermilfoil)
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Specimen IDCommon NameStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1708774 Eurasian watermilfoilALMadison[No locality description provided]2021 06030002 Wheeler Lake 
1708689 Eurasian watermilfoilBC [No locality description provided]2021 17020006 Okanogan 
1676710 Eurasian watermilfoilCASanta Clara[No locality description provided]2021 18050003 Coyote 
1695527 Eurasian watermilfoilCTMiddlesexLake Beseck2021 01080205 Outlet Connecticut Riverestablished
1657560 Eurasian watermilfoilCTTollandMansfield Hollow Lake2021 01100002 Shetucket Riverestablished
1884061 Eurasian watermilfoilIABlack HawkGeorge Wyth Lake2021 07080205 Middle Cedarestablished
1884060 Eurasian watermilfoilIACerro GordoBig Blue Pond2021 07080203 Winnebagoestablished
1884077 hybrid watermilfoilIACerro GordoPierce Pond2021 07080203 Winnebagoestablished
1884095 hybrid watermilfoilINAdamsPine Lake2021 05120101 Upper Wabashestablished
1884093 hybrid watermilfoilINKosciuskoBig Chapman Lake2021 05120106 Tippecanoeestablished
1884092 hybrid watermilfoilINKosciuskoDewart Lake, Milford2021 04050001 St. Josephestablished
1708757 Eurasian watermilfoilINMarion[No locality description provided]2021 05120201 Upper White 
1884094 hybrid watermilfoilINStarkeKoontz Lake2021 07120001 Kankakeeestablished
1884089 hybrid watermilfoilINSteubenLake George on the Indiana/Michigan border2021 04050001 St. Josephestablished
1884090 hybrid watermilfoilINSteubenLake Pleasant [~4 mi NE of Orland, IN]2021 04050001 St. Josephestablished
1884091 hybrid watermilfoilINSteubenPine Canyon Lake2021 04050001 St. Josephestablished
1747238 Eurasian watermilfoilMDKent[No locality description provided]2021 02060002 Chester-Sassafras 
1872618 Eurasian watermilfoilMEKennebecCobbosseecontee Lake2021 01030003 Lower Kennebec River 
1872619 Eurasian watermilfoilMEKennebecCobbosseecontee Lake2021 01030003 Lower Kennebec River 
1872620 Eurasian watermilfoilMEKennebecCobbosseecontee Lake2021 01030003 Lower Kennebec River 
1872651 Eurasian watermilfoilMEKennebecCobbosseecontee Lake2021 01030003 Lower Kennebec River 
1691821 Eurasian watermilfoilMIBranchMarble Lake2021 04050001 St. Josephunknown
1885241 hybrid watermilfoilMIClareDodge Lake2021 04080201 Tittabawasseeestablished
1691872 Eurasian watermilfoilMICrawfordLake Margrethe2021 04060103 Manisteeunknown
1691922 Eurasian watermilfoilMIHillsdaleLake Diane2021 04100003 St. Josephunknown
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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.