Myriophyllum spicatum

Eurasian watermilfoil

Collection Information for Myriophyllum spicatum

Results limited to HUC #04110001.
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
243908OHLorainLorain County200804110001Black-Rockyestablished
243912OHMedinaMedina County200804110001Black-Rockycollected
1421490OHCuyahogaSpread throughout the oxbow lagoon in Rocky River Reservation, a part of Cleveland Metroparks201704110001Black-Rockyestablished
1421493OHCuyahogaSouthwest of the Strongsville Wildlife Area Parking lot, in the standing water201704110001Black-Rockyestablished
1633458OHCuyahoga[Wallace Lake]201704110001Black-Rockyestablished
1633664OHMedina[Spencer Lake]201904110001Black-Rockyestablished
1633508OHMedina[Hinckley Lake]201704110001Black-Rockyestablished
1633513OHMedina[Hinckley Lake]201704110001Black-Rockyestablished
1633557OHSummit[Camp Hilaka Lake]201704110001Black-Rockyestablished
1633696OHLorain[Lake Erie]201904110001Black-Rockyestablished
1633450OHCuyahoga[Wallace Lake]201604110001Black-Rockyestablished
1633454OHCuyahoga[Baldwin Lake]201704110001Black-Rockyestablished
1713288OHCuyahogaBonnie park202204110001Black-Rocky 
1713289OHCuyahogaBonnie park pond202204110001Black-Rocky 
1713290OHMedinaJudges Lake202204110001Black-Rocky 
1633576OHCuyahoga[Baldwin Lake]201804110001Black-Rockyestablished
1633618OHMedina[Lake Medina]201804110001Black-Rockyestablished
1694102OHCuyahogaBeyers Pond202004110001Black-Rockyunknown
1694109OHMedinaJudges Lake202004110001Black-Rockyunknown
1694110OHMedinaLedge Lake202004110001Black-Rockyunknown
1694111OHMedinaHinckley Lake202004110001Black-Rockyunknown
1694112OHCuyahogaRocky river oxbow202004110001Black-Rockyunknown
1694113OHCuyahogaRanger Lake202004110001Black-Rockyunknown
1694114OHCuyahogaRocky river nature center wetland (3)202004110001Black-Rockyunknown
1694118OHMedinaBrooklyn exchange wetlands (2)202004110001Black-Rockyunknown
1694119OHMedinaWetland west of Judge's Lake202004110001Black-Rockyunknown
1694121OHMedinaBlue heron pond Medina202004110001Black-Rockyunknown
1694122OHLorainSandy Ridge Wetlands202004110001Black-Rockyunknown
1713292OHMedinaHinckley lake202204110001Black-Rocky 
1713296OHCuyahogaRR Nature Center202204110001Black-Rocky 
1713328OHCuyahogaOxbow lagoon202204110001Black-Rocky 
1713333OHCuyahogaWintergreen ponds (3)202204110001Black-Rocky 
1713334OHCuyahogaBonnie Park202204110001Black-Rocky 

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