Hydrilla verticillata
Hydrilla verticillata
(hydrilla)
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416 results for Hydrilla verticillata (hydrilla)
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Specimen IDCommon NameStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1894524 whorled hydrilla  [No locality description provided]2017   
1894528 whorled hydrilla  [No locality description provided]2017   
1741020 whorled hydrillaALLauderdale[No locality description provided]2017 06030005 Pickwick Lake 
1407109 whorled hydrillaALLauderdaleAdjacent to the left descending bank of Cypress Creek approximately 300 feet downstream from the Nelson Rivers Starkey Bridge on Waterloo Road (County Road 14)2017 06030005 Pickwick Lakeestablished
1407108 whorled hydrillaALLauderdaleCypress Creek, adjacent to the left descending bank, approximately 300 feet south of Eunice Avenue, a street within the municipality of Florence, Alabama2017 06030005 Pickwick Lakeestablished
1657484 wandering hydrillaALMarshallShallow water on Guntersville Reservoir in the upstream portion of South Sauty Creek embayment (373.8L) at South Sauty Creek Mile 5.3L (Morgan Cove area); ca 5.1 mi SSW of the Langston Post Office2017 06030001 Guntersville Lakeestablished
1633925 northern hydrillaCTHartfordConnecticut River, Glastonbury2017 01080205 Outlet Connecticut Riverestablished
1671543 wandering hydrillaDCDistrict of Columbia[No locality description provided]2017 02070010 Middle Potomac-Anacostia-Occoquan 
1671648 wandering hydrillaDCDistrict of Columbia[No locality description provided]2017 02070010 Middle Potomac-Anacostia-Occoquan 
1741024 wandering hydrillaDCDistrict of Columbia[No locality description provided]2017 02070010 Middle Potomac-Anacostia-Occoquan 
1742610 wandering hydrillaDCDistrict of Columbia[No locality description provided]2017 02070010 Middle Potomac-Anacostia-Occoquan 
1418332 wandering hydrillaDCDistrict of ColumbiaKenilworth Aquatic Gardens2017 02070010 Middle Potomac-Anacostia-Occoquanestablished
1695241 wandering hydrillaDESussexStormwater Management2017 02040303 Chincoteagueunknown
1516000 whorled hydrillaFLAlachuaJohnson Lake2017 03080102 Oklawahaestablished
1516001 whorled hydrillaFLAlachuaLochloosa Lake2017 03080102 Oklawahaestablished
1515966 whorled hydrillaFLAlachuaOrange Lake2017 03080102 Oklawahaestablished
1516917 whorled hydrillaFLAlachuaWauberg Lake2017 03080102 Oklawahaestablished
1516015 whorled hydrillaFLBayLake Lullwater2017 03140101 St. Andrew-St. Joseph Baysestablished
1516008 whorled hydrillaFLBayMartin Bayou2017 03140101 St. Andrew-St. Joseph Baysestablished
1515973 whorled hydrillaFLBradfordLake Rowell2017 03110206 Santa Feestablished
1515975 whorled hydrillaFLBradfordLake Sampson2017 03110206 Santa Feestablished
1516071 whorled hydrillaFLBrevardFox Lake2017 03080101 Upper St. Johnsestablished
1515992 whorled hydrillaFLBrevardSouth Lake2017 03080101 Upper St. Johnsestablished
1516098 whorled hydrillaFLCitrusChassahowitzka River2017 03100207 Crystal-Pithlachascoteeestablished
1516047 whorled hydrillaFLCitrusCrystal River2017 03100207 Crystal-Pithlachascoteeestablished
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Data Disclaimer: Number of records does not imply species abundance. This summary represent collection records only and may not reflect the actual distribution of established populations. These data are preliminary or provisional and are subject to revision. They are being provided to meet the need for timely best science. The data have not received final approval by the U.S. Geological Survey (USGS) and are provided on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from the authorized or unauthorized use of the data.

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The data represented on this site vary in accuracy, scale, completeness, extent of coverage and origin. It is the user's responsibility to use these data consistent with their intended purpose and within stated limitations. We highly recommend reviewing metadata files prior to interpreting these data.

Citation information: U.S. Geological Survey. [2026]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [2/20/2026].

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For general information and questions about the database, contact Wesley Daniel. For problems and technical issues, contact Matthew Neilson.