Hydrilla verticillata

Hydrilla

Collection Information for Hydrilla verticillata

Results limited to All Great Lakes Drainages.
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
894729OHCuyahogaTerry Greathouse Wetlands, West Creek Reservation200204110002Cuyahogaestablished
894724OHCuyahogaWallace Lake, Mill Stream Run Reservation201104110001Black-Rockyestablished
894727OHCuyahogaBlue Heron Marsh north pond, Ohio & Erie Canal Reservation201104110002Cuyahogaestablished
894728OHCuyahogaBlue Heron Marsh south pond, Ohio & Erie Canal Reservation201204110002Cuyahogaestablished
894725OHCuyahogaSunset Pond, North Chagrin Reservation201204110003Ashtabula-Chagrinestablished
894726OHCuyahogaSanctuary Marsh, North Chagrin Reservation201204110003Ashtabula-Chagrinestablished
894730OHCuyahogaWashout Wetland #7, West Creek Reservation201304110002Cuyahogaestablished
1396534OHCuyahogaIn shallow man-made wetlands, West Creek Reservation, Parma, Ohio.201104110002Cuyahogaunknown
1397697OHCuyahogaWallace Lake, located in Berea, Ohio and part of Cleveland Metroparks Mill Stream Run Reservation.201104110001Black-Rockyunknown
1397789OHCuyahogaBlue Heron Marsh, located in Cuyahoga Heights, Ohio and part of Cleveland Metroparks Ohio & Erie Canal Reservation.201104110002Cuyahogaunknown
1397845OHCuyahogaWash-out wetlands, located in Parma, Ohio and part of Cleveland Metroparks West Creek Reservation.201304110002Cuyahogaunknown
1397737OHCuyahogaSunset Pond, located in Mayfield, Ohio and part of Cleveland Metroparks North Chagrin Reservation.201204110003Ashtabula-Chagrinunknown
1397710OHCuyahogaSanctuary Marsh, located in Mayfield, Ohio and part of Cleveland Metroparks North Chagrin Reservation.201204110003Ashtabula-Chagrinunknown
1447865OHSummitHuman-made pond east of business, Richfield201704110002Cuyahogaestablished
1468175OHCuyahoga4708 Sassafras Drive, lined pond (less than 1000 gallon) in the backyard is infested with hydrilla.201804110002Cuyahogaunknown
1469064OHMedinapond at Wadsworth Rd201804110001Black-Rockyestablished
1633420OHCuyahoga[Michael J Kirwan Reservoir]201304110003Ashtabula-Chagrinestablished
1633452OHCuyahoga[Lake Erie]201104110002Cuyahogaestablished
1633453OHCuyahoga[Lake Erie]201204110002Cuyahogaestablished
1633624OHMedina[West Branch Rocky River]201804110001Black-Rockyestablished
1633627OHMedina[West Branch Rocky River]201804110001Black-Rockyestablished
1633641OHMedina[West Branch Rocky River]201804110001Black-Rockyestablished
1652509OHMedinaprivate pond202004110001Black-Rockyestablished
1652510OHMedinaprivate pond202004110001Black-Rockyestablished
1655270OHMedinaprivate pond202004110001Black-Rockyestablished
1694094OHMedinaWadsworth Road pond202004110001Black-Rockyunknown
1694095OHMedinaPrivate Pond202004110001Black-Rockyunknown
1694096OHMedinaPrivate Pond202004110001Black-Rockyunknown
1694097OHMedinaPrivate Pond202004110001Black-Rockyunknown
1694100OHMedinaPrivate Pond202004110001Black-Rockyunknown
1713231OHMedina3979 Sharon Copley Road202204110001Black-Rocky 
1749737OHCuyahoga[No locality description provided]202304110002Cuyahoga 
1749738OHCuyahoga[No locality description provided]202304110002Cuyahoga 
1749739OHCuyahoga[No locality description provided]202304110002Cuyahoga 
1891355OHSummit[No locality description provided]202504110002Cuyahoga 

Citation for this information:
U.S. Geological Survey, 2026, Hydrilla verticillata: U.S. Geological Survey, Nonindigenous Aquatic Species Database, Gainesville, FL, https://nas.er.usgs.gov, Access Date: 2/21/2026