Myriophyllum spicatum

Eurasian watermilfoil

Collection Information for Myriophyllum spicatum

Results limited to HUC #04190000.
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
230195INLakeLake Michigan, Hammond199604190000Lake Michiganestablished
1555688INLake[No locality description provided]201304190000Lake Michiganestablished
1560803INLake[No locality description provided]201404190000Lake Michiganestablished
1873437INLakeEast Chicago202204190000Lake Michigan 
1873438INLakeEast Chicago202204190000Lake Michigan 
1873439INLakeEast Chicago202204190000Lake Michigan 
1873467INLakeEast Chicago202204190000Lake Michigan 
1873468INLakeEast Chicago202204190000Lake Michigan 
1873469INLakeEast Chicago202204190000Lake Michigan 
1873470INLakeEast Chicago202204190000Lake Michigan 
1873540INPorterPortage Burns202204190000Lake Michigan 

Citation for this information:
U.S. Geological Survey, 2025, Myriophyllum spicatum: U.S. Geological Survey, Nonindigenous Aquatic Species Database, Gainesville, FL, https://nas.er.usgs.gov, Access Date: 12/5/2025