Myriophyllum spicatum

Eurasian watermilfoil

Collection Information for Myriophyllum spicatum

Results limited to HUC #04290001.
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
234698NYJeffersonLake of the Isles200204290001Headwaters St. Lawrence Riverestablished
270507NYJeffersonGoose Bay on the St. Lawrence, east of the town of Alexandria Bay201004290001Headwaters St. Lawrence Riverestablished
866554NYJefferson[No locality provided]201204290001Headwaters St. Lawrence Riverestablished
866555NYJefferson[No locality provided]201204290001Headwaters St. Lawrence Riverestablished
866556NYJefferson[No locality provided]201204290001Headwaters St. Lawrence Riverestablished
866557NYJefferson[No locality provided]201204290001Headwaters St. Lawrence Riverestablished
866559NYJefferson[No locality provided]201204290001Headwaters St. Lawrence Riverestablished
866561NYJefferson[No locality provided]201204290001Headwaters St. Lawrence Riverestablished
866562NYJefferson[No locality provided]201204290001Headwaters St. Lawrence Riverestablished
866563NYJefferson[No locality provided]201204290001Headwaters St. Lawrence Riverestablished
866566NYJefferson[No locality provided]201204290001Headwaters St. Lawrence Riverestablished
866567NYJefferson[No locality provided]201204290001Headwaters St. Lawrence Riverestablished
866576NYJefferson[No locality provided]201204290001Headwaters St. Lawrence Riverestablished
866577NYJefferson[No locality provided]201204290001Headwaters St. Lawrence Riverestablished
866578NYJefferson[No locality provided]201204290001Headwaters St. Lawrence Riverestablished
866579NYJefferson[No locality provided]201204290001Headwaters St. Lawrence Riverestablished
866580NYJefferson[No locality provided]201204290001Headwaters St. Lawrence Riverestablished
866581NYJefferson[No locality provided]201204290001Headwaters St. Lawrence Riverestablished
866582NYJefferson[No locality provided]201204290001Headwaters St. Lawrence Riverestablished
866583NYJefferson[No locality provided]201204290001Headwaters St. Lawrence Riverestablished
866584NYJefferson[No locality provided]201204290001Headwaters St. Lawrence Riverestablished
866608NYJefferson[No locality provided]201404290001Headwaters St. Lawrence Riverestablished
866611NYJefferson[No locality provided]201404290001Headwaters St. Lawrence Riverestablished
871616NYSt. LawrenceSt. Lawrence River198004290001Headwaters St. Lawrence Riverestablished
866614NYJefferson[No locality provided]201404290001Headwaters St. Lawrence Riverestablished
866676NYJefferson[No locality provided]201404290001Headwaters St. Lawrence Riverestablished
866677NYJefferson[No locality provided]201404290001Headwaters St. Lawrence Riverestablished
866694NYJefferson[No locality provided]201404290001Headwaters St. Lawrence Riverestablished
866695NYJefferson[No locality provided]201404290001Headwaters St. Lawrence Riverestablished
866697NYJefferson[No locality provided]201404290001Headwaters St. Lawrence Riverestablished
866698NYJefferson[No locality provided]201404290001Headwaters St. Lawrence Riverestablished
866701NYJefferson[No locality provided]201404290001Headwaters St. Lawrence Riverestablished
866702NYJefferson[No locality provided]201404290001Headwaters St. Lawrence Riverestablished
866703NYJefferson[No locality provided]201404290001Headwaters St. Lawrence Riverestablished
866704NYJefferson[No locality provided]201404290001Headwaters St. Lawrence Riverestablished
866705NYJefferson[No locality provided]201404290001Headwaters St. Lawrence Riverestablished
866706NYJefferson[No locality provided]201404290001Headwaters St. Lawrence Riverestablished
866709NYJefferson[No locality provided]201404290001Headwaters St. Lawrence Riverestablished
866710NYJefferson[No locality provided]201404290001Headwaters St. Lawrence Riverestablished
866711NYJefferson[No locality provided]201404290001Headwaters St. Lawrence Riverestablished
887966NYJeffersonLake of the Isles200004290001Headwaters St. Lawrence Riverestablished
866612NYJefferson[No locality provided]201404290001Headwaters St. Lawrence Riverestablished
866613NYJefferson[No locality provided]201404290001Headwaters St. Lawrence Riverestablished
866678NYJefferson[No locality provided]201404290001Headwaters St. Lawrence Riverestablished
866680NYJefferson[No locality provided]201404290001Headwaters St. Lawrence Riverestablished
866681NYJefferson[No locality provided]201404290001Headwaters St. Lawrence Riverestablished
866682NYJefferson[No locality provided]201404290001Headwaters St. Lawrence Riverestablished
866684NYJefferson[No locality provided]201404290001Headwaters St. Lawrence Riverestablished
866685NYJefferson[No locality provided]201404290001Headwaters St. Lawrence Riverestablished
866686NYJefferson[No locality provided]201404290001Headwaters St. Lawrence Riverestablished
866688NYJefferson[No locality provided]201404290001Headwaters St. Lawrence Riverestablished
866689NYJefferson[No locality provided]201404290001Headwaters St. Lawrence Riverestablished
866690NYJefferson[No locality provided]201404290001Headwaters St. Lawrence Riverestablished
866692NYJefferson[No locality provided]201404290001Headwaters St. Lawrence Riverestablished
866693NYJefferson[No locality provided]201404290001Headwaters St. Lawrence Riverestablished
866712NYJefferson[No locality provided]201404290001Headwaters St. Lawrence Riverestablished
866713NYJefferson[No locality provided]201404290001Headwaters St. Lawrence Riverestablished
866714NYJefferson[No locality provided]201404290001Headwaters St. Lawrence Riverestablished
866715NYJefferson[No locality provided]201404290001Headwaters St. Lawrence Riverestablished
888057NYSt. LawrenceSt. Lawrence River198004290001Headwaters St. Lawrence Riverestablished
888477NYSt. LawrenceUnnamed Pond, Jacques Cartier SP201204290001Headwaters St. Lawrence Riverestablished
1758624NYSt. LawrenceSaint Lawrence River198004290001Headwaters St. Lawrence River 
1758996NYJeffersonSaint Lawrence River200004290001Headwaters St. Lawrence River 
1760083NYSt. Lawrence[No locality description provided]201204290001Headwaters St. Lawrence River 
1808753NYSt. Lawrence[No locality description provided]201204290001Headwaters St. Lawrence River 
1809666NYJeffersonSaint Lawrence River201204290001Headwaters St. Lawrence River 
1857467NYJeffersonSaint Lawrence River202304290001Headwaters St. Lawrence River 
1857468NYJeffersonSaint Lawrence River202304290001Headwaters St. Lawrence River 
1857469NYJeffersonSaint Lawrence River202304290001Headwaters St. Lawrence River 
1809667NYJeffersonSaint Lawrence River201204290001Headwaters St. Lawrence River 
1809668NYJeffersonSaint Lawrence River201204290001Headwaters St. Lawrence River 
1809669NYJeffersonSaint Lawrence River201204290001Headwaters St. Lawrence River 
1809671NYJefferson[No locality description provided]201204290001Headwaters St. Lawrence River 
1809673NYJeffersonSaint Lawrence River201204290001Headwaters St. Lawrence River 
1809674NYJeffersonSaint Lawrence River201204290001Headwaters St. Lawrence River 
1809675NYJeffersonSaint Lawrence River201204290001Headwaters St. Lawrence River 
1809678NYJeffersonSaint Lawrence River201204290001Headwaters St. Lawrence River 
1809679NYJeffersonSaint Lawrence River201204290001Headwaters St. Lawrence River 
1809688NYJeffersonSaint Lawrence River201204290001Headwaters St. Lawrence River 
1809689NYJeffersonSaint Lawrence River201204290001Headwaters St. Lawrence River 
1809690NYJeffersonSaint Lawrence River201204290001Headwaters St. Lawrence River 
1809691NYJefferson[No locality description provided]201204290001Headwaters St. Lawrence River 
1809692NYJeffersonSaint Lawrence River201204290001Headwaters St. Lawrence River 
1809693NYJeffersonSaint Lawrence River201204290001Headwaters St. Lawrence River 
1809694NYJeffersonSaint Lawrence River201204290001Headwaters St. Lawrence River 
1809695NYJeffersonSaint Lawrence River201204290001Headwaters St. Lawrence River 
1809696NYJeffersonSaint Lawrence River201204290001Headwaters St. Lawrence River 
1813415NYJeffersonSaint Lawrence River201404290001Headwaters St. Lawrence River 
1813418NYJefferson[No locality description provided]201404290001Headwaters St. Lawrence River 
1813420NYJeffersonSaint Lawrence River201404290001Headwaters St. Lawrence River 
1813421NYJeffersonSaint Lawrence River201404290001Headwaters St. Lawrence River 
1813424NYJeffersonSaint Lawrence River201404290001Headwaters St. Lawrence River 
1813544NYJeffersonSaint Lawrence River201404290001Headwaters St. Lawrence River 
1813545NYJeffersonSaint Lawrence River201404290001Headwaters St. Lawrence River 
1813546NYJeffersonSaint Lawrence River201404290001Headwaters St. Lawrence River 
1813548NYJeffersonSaint Lawrence River201404290001Headwaters St. Lawrence River 
1813549NYJeffersonSaint Lawrence River201404290001Headwaters St. Lawrence River 
1813550NYJeffersonSaint Lawrence River201404290001Headwaters St. Lawrence River 
1813552NYJeffersonSaint Lawrence River201404290001Headwaters St. Lawrence River 
1813553NYJeffersonSaint Lawrence River201404290001Headwaters St. Lawrence River 
1813554NYJeffersonSaint Lawrence River201404290001Headwaters St. Lawrence River 
1813556NYJeffersonSaint Lawrence River201404290001Headwaters St. Lawrence River 
1813557NYJeffersonSaint Lawrence River201404290001Headwaters St. Lawrence River 
1813558NYJeffersonSaint Lawrence River201404290001Headwaters St. Lawrence River 
1813560NYJeffersonSaint Lawrence River201404290001Headwaters St. Lawrence River 
1813561NYJeffersonSaint Lawrence River201404290001Headwaters St. Lawrence River 
1813562NYJeffersonSaint Lawrence River201404290001Headwaters St. Lawrence River 
1813563NYJeffersonSaint Lawrence River201404290001Headwaters St. Lawrence River 
1813565NYJeffersonSaint Lawrence River201404290001Headwaters St. Lawrence River 
1813566NYJeffersonSaint Lawrence River201404290001Headwaters St. Lawrence River 
1813569NYJeffersonSaint Lawrence River201404290001Headwaters St. Lawrence River 
1813570NYJeffersonSaint Lawrence River201404290001Headwaters St. Lawrence River 
1813571NYJeffersonSaint Lawrence River201404290001Headwaters St. Lawrence River 
1813572NYJeffersonSaint Lawrence River201404290001Headwaters St. Lawrence River 
1813573NYJeffersonSaint Lawrence River201404290001Headwaters St. Lawrence River 
1813574NYJeffersonSaint Lawrence River201404290001Headwaters St. Lawrence River 
1813577NYJeffersonSaint Lawrence River201404290001Headwaters St. Lawrence River 
1813578NYJefferson[No locality description provided]201404290001Headwaters St. Lawrence River 
1813579NYJeffersonSaint Lawrence River201404290001Headwaters St. Lawrence River 
1813580NYJefferson[No locality description provided]201404290001Headwaters St. Lawrence River 
1813601NYJeffersonSaint Lawrence River201404290001Headwaters St. Lawrence River 
1813602NYJeffersonSaint Lawrence River201404290001Headwaters St. Lawrence River 
1813603NYJeffersonSaint Lawrence River201404290001Headwaters St. Lawrence River 
1818066NYJefferson[No locality description provided]201504290001Headwaters St. Lawrence River 
1818070NYJeffersonSaint Lawrence River201504290001Headwaters St. Lawrence River 
1825070NYJeffersonSaint Lawrence River201704290001Headwaters St. Lawrence River 
1825096NYJeffersonSaint Lawrence River201704290001Headwaters St. Lawrence River 
1825744NYJeffersonSaint Lawrence River201704290001Headwaters St. Lawrence River 
1825746NYJeffersonSaint Lawrence River201704290001Headwaters St. Lawrence River 
1825747NYJeffersonSaint Lawrence River201704290001Headwaters St. Lawrence River 
1825751NYJeffersonSaint Lawrence River201704290001Headwaters St. Lawrence River 
1826055NYJeffersonSaint Lawrence River201704290001Headwaters St. Lawrence River 
1826057NYJeffersonSaint Lawrence River201704290001Headwaters St. Lawrence River 
1826058NYJefferson[No locality description provided]201704290001Headwaters St. Lawrence River 
1826059NYJefferson[No locality description provided]201704290001Headwaters St. Lawrence River 
1826060NYJefferson[No locality description provided]201704290001Headwaters St. Lawrence River 
1826061NYJefferson[No locality description provided]201704290001Headwaters St. Lawrence River 
1826062NYJeffersonSaint Lawrence River201704290001Headwaters St. Lawrence River 
1826063NYJeffersonSaint Lawrence River201704290001Headwaters St. Lawrence River 
1844447NYJeffersonSaint Lawrence River202104290001Headwaters St. Lawrence River 
1844448NYJeffersonSaint Lawrence River202104290001Headwaters St. Lawrence River 
1844451NYJeffersonSaint Lawrence River202104290001Headwaters St. Lawrence River 
1859382NYJeffersonSaint Lawrence River202304290001Headwaters St. Lawrence River 
1859385NYJeffersonSaint Lawrence River202304290001Headwaters St. Lawrence River 
1859387NYJeffersonSaint Lawrence River202304290001Headwaters St. Lawrence River 
1862123NYJeffersonSaint Lawrence River202304290001Headwaters St. Lawrence River 
1862124NYJeffersonSaint Lawrence River202304290001Headwaters St. Lawrence River 
1862125NYJefferson[No locality description provided]202304290001Headwaters St. Lawrence River 
1862126NYJeffersonSaint Lawrence River202304290001Headwaters St. Lawrence River 
1862127NYJeffersonSaint Lawrence River202304290001Headwaters St. Lawrence River 
1862128NYJefferson[No locality description provided]202304290001Headwaters St. Lawrence River 
1862129NYJeffersonSaint Lawrence River202304290001Headwaters St. Lawrence River 
1862130NYJeffersonSaint Lawrence River202304290001Headwaters St. Lawrence River 
1862131NYJeffersonSaint Lawrence River202304290001Headwaters St. Lawrence River 
1862132NYJeffersonSaint Lawrence River202304290001Headwaters St. Lawrence River 

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