Myriophyllum spicatum

Eurasian watermilfoil

Collection Information for Myriophyllum spicatum

Results limited to HUC #04280002.
To see the collection list for the entire Great Lakes region, click here.
 To see the collection list for the entire United States, click here.
 Results also available in (click to export table to spreadsheet)

(click table headers to sort)
Specimen IDStateCountyLocalityYearHUC NumberDrainage NameStatus
866021NYJeffersonLake Ontario201204280002Lake Ontarioestablished
865993NYJeffersonLake Ontario201204280002Lake Ontarioestablished
866024NYJeffersonLake Ontario201204280002Lake Ontarioestablished
865988NYJeffersonLake Ontario201204280002Lake Ontarioestablished
866000NYJeffersonLake Ontario201204280002Lake Ontarioestablished
866004NYJeffersonLake Ontario201204280002Lake Ontarioestablished
866332NYJeffersonLake Ontario201204280002Lake Ontarioestablished
866328NYJeffersonLake Ontario201104280002Lake Ontarioestablished
866326NYJefferson[No locality provided]201104280002Lake Ontarioestablished
866327NYJefferson[No locality provided]201104280002Lake Ontarioestablished
866330NYJeffersonLake Ontario201104280002Lake Ontarioestablished
866329NYJefferson[No locality provided]201104280002Lake Ontarioestablished
866002NYJeffersonLake Ontario201204280002Lake Ontarioestablished
865985NYJeffersonLake Ontario201204280002Lake Ontarioestablished
865986NYJeffersonLake Ontario201204280002Lake Ontarioestablished
865987NYJeffersonLake Ontario201204280002Lake Ontarioestablished
866026NYJeffersonLake Ontario201204280002Lake Ontarioestablished
866022NYJefferson[No locality provided]201204280002Lake Ontarioestablished
866001NYJeffersonLake Ontario201204280002Lake Ontarioestablished
866003NYJeffersonLake Ontario201204280002Lake Ontarioestablished
866005NYJeffersonLake Ontario201204280002Lake Ontarioestablished
866020NYJeffersonLake Ontario201204280002Lake Ontarioestablished
866517NYJeffersonLake Ontario201204280002Lake Ontarioestablished
866520NYJeffersonLake Ontario201204280002Lake Ontarioestablished
866523NYJeffersonLake Ontario201204280002Lake Ontarioestablished
866526NYJeffersonLake Ontario201204280002Lake Ontarioestablished
866527NYJeffersonLake Ontario201204280002Lake Ontarioestablished
866529NYJeffersonLake Ontario201204280002Lake Ontarioestablished
866533NYJeffersonLake Ontario201204280002Lake Ontarioestablished
866534NYJeffersonLake Ontario201204280002Lake Ontarioestablished
866569NYJeffersonLake Ontario201204280002Lake Ontarioestablished
866570NYJefferson[No locality provided]201204280002Lake Ontarioestablished
866571NYJeffersonLake Ontario201204280002Lake Ontarioestablished
866572NYJefferson[No locality provided]201204280002Lake Ontarioestablished
866573NYJeffersonLake Ontario201204280002Lake Ontarioestablished
866574NYJefferson[No locality provided]201204280002Lake Ontarioestablished
866575NYJefferson[No locality provided]201204280002Lake Ontarioestablished
866596NYJeffersonLake Ontario201404280002Lake Ontarioestablished
866600NYJeffersonLake Ontario201404280002Lake Ontarioestablished
866605NYJeffersonLake Ontario201404280002Lake Ontarioestablished
866606NYJeffersonLake Ontario201404280002Lake Ontarioestablished
866648NYJeffersonLake Ontario201404280002Lake Ontarioestablished
866649NYJeffersonLake Ontario201404280002Lake Ontarioestablished
866650NYJeffersonLake Ontario201404280002Lake Ontarioestablished
866654NYJefferson[No locality provided]201404280002Lake Ontarioestablished
866655NYJefferson[No locality provided]201404280002Lake Ontarioestablished
866656NYJefferson[No locality provided]201404280002Lake Ontarioestablished
866658NYJeffersonLake Ontario201404280002Lake Ontarioestablished
866660NYJeffersonLake Ontario201404280002Lake Ontarioestablished
866661NYJeffersonLake Ontario201404280002Lake Ontarioestablished
866663NYJefferson[No locality provided]201404280002Lake Ontarioestablished
866664NYJeffersonLake Ontario201404280002Lake Ontarioestablished
866666NYJeffersonLake Ontario201404280002Lake Ontarioestablished
866668NYJeffersonLake Ontario201404280002Lake Ontarioestablished
866669NYJeffersonLake Ontario201404280002Lake Ontarioestablished
1556853NYMonroe[No locality description provided]201304280002Lake Ontarioestablished
1556855NYMonroe[No locality description provided]201304280002Lake Ontarioestablished
1556856NYMonroe[No locality description provided]201304280002Lake Ontarioestablished
1556858NYMonroe[No locality description provided]201304280002Lake Ontarioestablished
1598592NYMonroe[No locality description provided]201204280002Lake Ontarioestablished
1598593NYMonroe[No locality description provided]201204280002Lake Ontarioestablished
1598595NYMonroe[No locality description provided]201204280002Lake Ontarioestablished
1598597NYMonroe[No locality description provided]201204280002Lake Ontarioestablished
1598609NYMonroe[No locality description provided]201204280002Lake Ontarioestablished
1596412NYJefferson[No locality description provided]201104280002Lake Ontarioestablished
1596414NYJefferson[No locality description provided]201104280002Lake Ontarioestablished
1596427NYJefferson[No locality description provided]201104280002Lake Ontarioestablished
1596457NYJefferson[No locality description provided]201104280002Lake Ontarioestablished
1596459NYJefferson[No locality description provided]201104280002Lake Ontarioestablished
1596460NYJefferson[No locality description provided]201104280002Lake Ontarioestablished
1596461NYJefferson[No locality description provided]201104280002Lake Ontarioestablished
1596463NYJefferson[No locality description provided]201104280002Lake Ontarioestablished
1596476NYJefferson[No locality description provided]201104280002Lake Ontarioestablished
1600595NYJefferson[No locality description provided]201204280002Lake Ontarioestablished
1600597NYJefferson[No locality description provided]201204280002Lake Ontarioestablished
1600598NYJefferson[No locality description provided]201204280002Lake Ontarioestablished
1600599NYJefferson[No locality description provided]201204280002Lake Ontarioestablished
1600601NYJefferson[No locality description provided]201204280002Lake Ontarioestablished
1600602NYJefferson[No locality description provided]201204280002Lake Ontarioestablished
1556883NYMonroe[No locality description provided]201304280002Lake Ontarioestablished
1556884NYMonroe[No locality description provided]201304280002Lake Ontarioestablished
1556886NYMonroe[No locality description provided]201304280002Lake Ontarioestablished
1556889NYMonroe[No locality description provided]201304280002Lake Ontarioestablished
1714710NYOswegoOswego Harbor202104280002Lake Ontario 
1714711NYOswegoOswego Harbor202104280002Lake Ontario 
1714714NYOswegoOswego Harbor202104280002Lake Ontario 
1714715NYOswegoOswego Harbor202104280002Lake Ontario 
1714717NYOswegoOswego Harbor202104280002Lake Ontario 
1714718NYOswegoOswego Harbor202104280002Lake Ontario 
1714728NYOswegoOswego Harbor202104280002Lake Ontario 
1714729NYOswegoOswego Harbor202104280002Lake Ontario 
871529NYWayne[No locality provided]200004280002Lake Ontarioestablished
871651NYJefferson[No locality provided]200004280002Lake Ontarioestablished
871615NYJeffersonLake Ontario198004280002Lake Ontarioestablished
866670NYJeffersonLake Ontario201404280002Lake Ontarioestablished
866673NYJeffersonLake Ontario201404280002Lake Ontarioestablished
1556850NYMonroe[No locality description provided]201304280002Lake Ontarioestablished
1596490NYJefferson[No locality description provided]201104280002Lake Ontarioestablished
1596491NYJefferson[No locality description provided]201104280002Lake Ontarioestablished
1596492NYJefferson[No locality description provided]201104280002Lake Ontarioestablished
1596496NYJefferson[No locality description provided]201104280002Lake Ontarioestablished
1596506NYJefferson[No locality description provided]201104280002Lake Ontarioestablished
1600070NYNiagara[No locality description provided]201204280002Lake Ontarioestablished
1600072NYNiagara[No locality description provided]201204280002Lake Ontarioestablished
1598598NYMonroe[No locality description provided]201204280002Lake Ontarioestablished
1598600NYMonroe[No locality description provided]201204280002Lake Ontarioestablished
1598603NYMonroe[No locality description provided]201204280002Lake Ontarioestablished
1596416NYJefferson[No locality description provided]201104280002Lake Ontarioestablished
1596418NYJefferson[No locality description provided]201104280002Lake Ontarioestablished
1596438NYJefferson[No locality description provided]201104280002Lake Ontarioestablished
1596456NYJefferson[No locality description provided]201104280002Lake Ontarioestablished
1596475NYJefferson[No locality description provided]201104280002Lake Ontarioestablished
1596585NYJefferson[No locality description provided]201104280002Lake Ontarioestablished
1596564NYJefferson[No locality description provided]201104280002Lake Ontarioestablished
1563684NYJefferson[No locality description provided]201404280002Lake Ontarioestablished
1562812NYMonroe[No locality description provided]201404280002Lake Ontarioestablished
1562815NYMonroe[No locality description provided]201404280002Lake Ontarioestablished
1562819NYMonroe[No locality description provided]201404280002Lake Ontarioestablished
1562820NYMonroe[No locality description provided]201404280002Lake Ontarioestablished
1556877NYMonroe[No locality description provided]201304280002Lake Ontarioestablished
1556878NYMonroe[No locality description provided]201304280002Lake Ontarioestablished
871567NYMonroeLake Ontario198004280002Lake Ontarioestablished
871568NYMonroeLake Ontario198004280002Lake Ontarioestablished
871573NYCayuga[No locality provided]197804280002Lake Ontarioestablished
887968NYMonroeLake Ontario198004280002Lake Ontarioestablished
887969NYMonroeLake Ontario200004280002Lake Ontarioestablished
888056NYJeffersonSt. Lawrence River198004280002Lake Ontarioestablished
888382NYMonroeLake Ontario198004280002Lake Ontarioestablished
1759115NYJeffersonLake Ontario198004280002Lake Ontario 
1759237NYMonroeLake Ontario198004280002Lake Ontario 
1760251NYMonroeLake Ontario198004280002Lake Ontario 
1808620NYJeffersonLake Ontario201204280002Lake Ontario 
1808625NYJeffersonLake Ontario201204280002Lake Ontario 
1808650NYJeffersonLake Ontario201204280002Lake Ontario 
1808653NYJeffersonLake Ontario201204280002Lake Ontario 
1808727NYJeffersonLake Ontario201204280002Lake Ontario 
1808732NYJeffersonLake Ontario201204280002Lake Ontario 
1809034NYJefferson[No locality description provided]201104280002Lake Ontario 
1809035NYJefferson[No locality description provided]201104280002Lake Ontario 
1809036NYJefferson[No locality description provided]201104280002Lake Ontario 
1809050NYJeffersonLake Ontario201104280002Lake Ontario 
1809052NYJeffersonLake Ontario201104280002Lake Ontario 
1809053NYJefferson[No locality description provided]201104280002Lake Ontario 
1809109NYJefferson[No locality description provided]201204280002Lake Ontario 
1809110NYJeffersonLake Ontario201204280002Lake Ontario 
1811647NYJeffersonLake Ontario201404280002Lake Ontario 
1811649NYJeffersonLake Ontario201404280002Lake Ontario 
1811655NYJeffersonLake Ontario201404280002Lake Ontario 
1837142NYJeffersonLake Ontario202004280002Lake Ontario 
1837146NYJeffersonLake Ontario202004280002Lake Ontario 
1837147NYJefferson[No locality description provided]202004280002Lake Ontario 
1837195NYJeffersonLake Ontario202004280002Lake Ontario 
1854094NYJeffersonLake Ontario202204280002Lake Ontario 
1854102NYJefferson[No locality description provided]202204280002Lake Ontario 
1854104NYJeffersonLake Ontario202204280002Lake Ontario 
1854107NYJeffersonLake Ontario202204280002Lake Ontario 
1854109NYJeffersonLake Ontario202204280002Lake Ontario 
1854110NYJeffersonLake Ontario202204280002Lake Ontario 
1854111NYJeffersonLake Ontario202204280002Lake Ontario 
1854112NYJeffersonLake Ontario202204280002Lake Ontario 
1854113NYJeffersonLake Ontario202204280002Lake Ontario 
1854116NYJeffersonLake Ontario202204280002Lake Ontario 
1859392NYOswegoLake Ontario202304280002Lake Ontario 
1859393NYOswegoLake Ontario202304280002Lake Ontario 
1859394NYOswegoLake Ontario202304280002Lake Ontario 
1808621NYJeffersonLake Ontario201204280002Lake Ontario 
1808622NYJeffersonLake Ontario201204280002Lake Ontario 
1808624NYJeffersonLake Ontario201204280002Lake Ontario 
1808626NYJeffersonLake Ontario201204280002Lake Ontario 
1808628NYJeffersonLake Ontario201204280002Lake Ontario 
1808647NYJeffersonLake Ontario201204280002Lake Ontario 
1808648NYJeffersonLake Ontario201204280002Lake Ontario 
1808649NYJeffersonLake Ontario201204280002Lake Ontario 
1808651NYJefferson[No locality description provided]201204280002Lake Ontario 
1808657NYJeffersonLake Ontario201204280002Lake Ontario 
1808723NYJeffersonLake Ontario201204280002Lake Ontario 
1808724NYJeffersonLake Ontario201204280002Lake Ontario 
1808725NYJeffersonLake Ontario201204280002Lake Ontario 
1809024NYMonroe[No locality description provided]201304280002Lake Ontario 
1809025NYMonroe[No locality description provided]201304280002Lake Ontario 
1809051NYJefferson[No locality description provided]201104280002Lake Ontario 
1809092NYMonroe[No locality description provided]201204280002Lake Ontario 
1809094NYMonroe[No locality description provided]201204280002Lake Ontario 
1809436NYJeffersonLake Ontario201204280002Lake Ontario 
1809440NYJeffersonLake Ontario201204280002Lake Ontario 
1809443NYJeffersonLake Ontario201204280002Lake Ontario 
1809446NYJeffersonLake Ontario201204280002Lake Ontario 
1809447NYJeffersonLake Ontario201204280002Lake Ontario 
1809450NYJeffersonLake Ontario201204280002Lake Ontario 
1809451NYJeffersonLake Ontario201204280002Lake Ontario 
1809454NYJeffersonLake Ontario201204280002Lake Ontario 
1809455NYJeffersonLake Ontario201204280002Lake Ontario 
1809457NYJeffersonLake Ontario201204280002Lake Ontario 
1809460NYJeffersonLake Ontario201204280002Lake Ontario 
1809461NYJeffersonLake Ontario201204280002Lake Ontario 
1809469NYJeffersonLake Ontario201204280002Lake Ontario 
1809470NYJeffersonLake Ontario201204280002Lake Ontario 
1809681NYJeffersonLake Ontario201204280002Lake Ontario 
1809682NYJefferson[No locality description provided]201204280002Lake Ontario 
1809683NYJeffersonLake Ontario201204280002Lake Ontario 
1809684NYJefferson[No locality description provided]201204280002Lake Ontario 
1809685NYJeffersonLake Ontario201204280002Lake Ontario 
1809686NYJefferson[No locality description provided]201204280002Lake Ontario 
1809687NYJefferson[No locality description provided]201204280002Lake Ontario 
1811651NYJeffersonLake Ontario201404280002Lake Ontario 
1811654NYJeffersonLake Ontario201404280002Lake Ontario 
1811656NYJeffersonLake Ontario201404280002Lake Ontario 
1811657NYJeffersonLake Ontario201404280002Lake Ontario 
1811658NYJeffersonLake Ontario201404280002Lake Ontario 
1811659NYJeffersonLake Ontario201404280002Lake Ontario 
1811660NYJeffersonLake Ontario201404280002Lake Ontario 
1813390NYJeffersonLake Ontario201404280002Lake Ontario 
1813394NYJeffersonLake Ontario201404280002Lake Ontario 
1813400NYJefferson[No locality description provided]201404280002Lake Ontario 
1813404NYJeffersonLake Ontario201404280002Lake Ontario 
1813405NYJeffersonLake Ontario201404280002Lake Ontario 
1813509NYJeffersonLake Ontario201404280002Lake Ontario 
1813510NYJeffersonLake Ontario201404280002Lake Ontario 
1813511NYJeffersonLake Ontario201404280002Lake Ontario 
1813512NYJeffersonLake Ontario201404280002Lake Ontario 
1813514NYJeffersonLake Ontario201404280002Lake Ontario 
1813515NYJeffersonLake Ontario201404280002Lake Ontario 
1813516NYJeffersonLake Ontario201404280002Lake Ontario 
1813520NYJefferson[No locality description provided]201404280002Lake Ontario 
1813521NYJefferson[No locality description provided]201404280002Lake Ontario 
1813522NYJefferson[No locality description provided]201404280002Lake Ontario 
1813524NYJeffersonLake Ontario201404280002Lake Ontario 
1813526NYJeffersonLake Ontario201404280002Lake Ontario 
1813527NYJeffersonLake Ontario201404280002Lake Ontario 
1813529NYJefferson[No locality description provided]201404280002Lake Ontario 
1813531NYJeffersonLake Ontario201404280002Lake Ontario 
1813532NYJeffersonLake Ontario201404280002Lake Ontario 
1813534NYJeffersonLake Ontario201404280002Lake Ontario 
1813536NYJeffersonLake Ontario201404280002Lake Ontario 
1813537NYJeffersonLake Ontario201404280002Lake Ontario 
1813538NYJeffersonLake Ontario201404280002Lake Ontario 
1813541NYJeffersonLake Ontario201404280002Lake Ontario 
1822096NYJeffersonLake Ontario201604280002Lake Ontario 
1826069NYMonroeBraddock Bay201604280002Lake Ontario 
1826180NYJeffersonLake Ontario201604280002Lake Ontario 
1826202NYJeffersonLake Ontario201604280002Lake Ontario 
1826203NYJeffersonLake Ontario201604280002Lake Ontario 
1826204NYJefferson[No locality description provided]201604280002Lake Ontario 
1826209NYJeffersonLake Ontario201604280002Lake Ontario 
1826210NYJeffersonLake Ontario201604280002Lake Ontario 
1826211NYJeffersonLake Ontario201604280002Lake Ontario 
1826234NYJeffersonLake Ontario201604280002Lake Ontario 
1834002NYJeffersonLake Ontario201804280002Lake Ontario 
1836692NYJeffersonLake Ontario202004280002Lake Ontario 
1836754NYJeffersonLake Ontario202004280002Lake Ontario 
1836756NYJeffersonLake Ontario202004280002Lake Ontario 
1836757NYJeffersonLake Ontario202004280002Lake Ontario 
1836759NYJeffersonLake Ontario202004280002Lake Ontario 
1836760NYJeffersonLake Ontario202004280002Lake Ontario 
1836763NYJeffersonLake Ontario202004280002Lake Ontario 
1836765NYJefferson[No locality description provided]202004280002Lake Ontario 
1837143NYJeffersonLake Ontario202004280002Lake Ontario 
1837144NYJeffersonLake Ontario202004280002Lake Ontario 
1839066NYMonroeBraddock Bay202004280002Lake Ontario 
1839172NYMonroeBraddock Bay202004280002Lake Ontario 
1839175NYMonroeBraddock Bay202004280002Lake Ontario 
1839176NYMonroeBraddock Bay202004280002Lake Ontario 
1839177NYMonroeBraddock Bay202004280002Lake Ontario 
1839178NYMonroeBraddock Bay202004280002Lake Ontario 
1839179NYMonroeBraddock Bay202004280002Lake Ontario 
1839180NYMonroeBraddock Bay202004280002Lake Ontario 
1839181NYMonroeBraddock Bay202004280002Lake Ontario 
1839182NYMonroeBraddock Bay202004280002Lake Ontario 
1839184NYMonroeBraddock Bay202004280002Lake Ontario 
1839185NYMonroeBraddock Bay202004280002Lake Ontario 
1839186NYMonroeBraddock Bay202004280002Lake Ontario 
1839187NYMonroeBraddock Bay202004280002Lake Ontario 
1839188NYMonroeBraddock Bay202004280002Lake Ontario 
1839189NYMonroeBraddock Bay202004280002Lake Ontario 
1839190NYMonroeBraddock Bay202004280002Lake Ontario 
1839191NYMonroeBraddock Bay202004280002Lake Ontario 
1839193NYMonroeBraddock Bay202004280002Lake Ontario 
1839194NYMonroeBraddock Bay202004280002Lake Ontario 
1839195NYMonroeBraddock Bay202004280002Lake Ontario 
1839198NYMonroeBraddock Bay202004280002Lake Ontario 
1839199NYMonroeBraddock Bay202004280002Lake Ontario 
1844411NYJeffersonLake Ontario202104280002Lake Ontario 
1844412NYJeffersonLake Ontario202104280002Lake Ontario 
1844430NYJeffersonLake Ontario202104280002Lake Ontario 
1844431NYJeffersonLake Ontario202104280002Lake Ontario 
1844438NYJeffersonLake Ontario202104280002Lake Ontario 
1853835NYJefferson[No locality description provided]202204280002Lake Ontario 
1853839NYJeffersonLake Ontario202204280002Lake Ontario 
1854091NYJeffersonLake Ontario202204280002Lake Ontario 
1854092NYJeffersonLake Ontario202204280002Lake Ontario 
1854096NYJeffersonLake Ontario202204280002Lake Ontario 
1854099NYJeffersonLake Ontario202204280002Lake Ontario 
1854108NYJeffersonLake Ontario202204280002Lake Ontario 
1854114NYJeffersonLake Ontario202204280002Lake Ontario 
1859395NYOswegoLake Ontario202304280002Lake Ontario 
1859396NYOswegoLake Ontario202304280002Lake Ontario 

Citation for this information:
U.S. Geological Survey, 2026, Myriophyllum spicatum: U.S. Geological Survey, Nonindigenous Aquatic Species Database, Gainesville, FL, https://nas.er.usgs.gov, Access Date: 2/20/2026