Myriophyllum spicatum

Eurasian watermilfoil

Collection Information for Myriophyllum spicatum

Results limited to HUC #04020103.
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
878055MIKeweenawKeweenaw County201104020103Keweenaw Peninsulaestablished
1446612MIHoughtonOskar Bay, Keweenaw Waterway [Portage Lake]201604020103Keweenaw Peninsulaestablished
1446613MIHoughtonPike Bay, Keweenaw Waterway [Portage Lake]201604020103Keweenaw Peninsulaestablished
1560541MIHoughton[No locality description provided]201304020103Keweenaw Peninsulaestablished
1560543MIHoughton[No locality description provided]201304020103Keweenaw Peninsulaestablished
1560545MIHoughton[No locality description provided]201304020103Keweenaw Peninsulaestablished
1560555MIHoughton[No locality description provided]201304020103Keweenaw Peninsulaestablished
1560556MIHoughton[No locality description provided]201304020103Keweenaw Peninsulaestablished
1560557MIHoughton[No locality description provided]201304020103Keweenaw Peninsulaestablished
1560558MIHoughton[No locality description provided]201304020103Keweenaw Peninsulaestablished
1560559MIHoughton[No locality description provided]201304020103Keweenaw Peninsulaestablished
1560591MIHoughton[No locality description provided]201304020103Keweenaw Peninsulaestablished
1560592MIHoughton[No locality description provided]201304020103Keweenaw Peninsulaestablished
1560604MIHoughton[No locality description provided]201304020103Keweenaw Peninsulaestablished
1560608MIHoughton[No locality description provided]201304020103Keweenaw Peninsulaestablished
1560609MIHoughton[No locality description provided]201304020103Keweenaw Peninsulaestablished
1560610MIHoughton[No locality description provided]201304020103Keweenaw Peninsulaestablished
1602011MIHoughton[No locality description provided]201204020103Keweenaw Peninsulaestablished
1602012MIHoughton[No locality description provided]201204020103Keweenaw Peninsulaestablished
1602024MIHoughton[No locality description provided]201204020103Keweenaw Peninsulaestablished
1602025MIHoughton[No locality description provided]201204020103Keweenaw Peninsulaestablished
1602026MIHoughton[No locality description provided]201204020103Keweenaw Peninsulaestablished
1602027MIHoughton[No locality description provided]201204020103Keweenaw Peninsulaestablished
1602028MIHoughton[No locality description provided]201204020103Keweenaw Peninsulaestablished
1560589MIHoughton[No locality description provided]201304020103Keweenaw Peninsulaestablished
1560590MIHoughton[No locality description provided]201304020103Keweenaw Peninsulaestablished
1560540MIHoughton[No locality description provided]201304020103Keweenaw Peninsulaestablished
1602013MIHoughton[No locality description provided]201204020103Keweenaw Peninsulaestablished
1602014MIHoughton[No locality description provided]201204020103Keweenaw Peninsulaestablished
1602015MIHoughton[No locality description provided]201204020103Keweenaw Peninsulaestablished
1602016MIHoughton[No locality description provided]201204020103Keweenaw Peninsulaestablished
1602022MIHoughton[No locality description provided]201204020103Keweenaw Peninsulaestablished
1602023MIHoughton[No locality description provided]201204020103Keweenaw Peninsulaestablished
1602034MIHoughton[No locality description provided]201204020103Keweenaw Peninsulaestablished

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