Hydrilla verticillata
Hydrilla verticillata
(hydrilla)
Plants
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224 results for Hydrilla verticillata (hydrilla)
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Specimen IDCommon NameStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1649777 whorled hydrillaARGarlandLake Hamilton, shoreline at boat ramp park at north of Carpenter dam2004 08040101 Ouachita Headwatersestablished
1634113 whorled hydrillaARHot SpringLake Catherine, shoreline at Lake Catherine State Park, at boat docks2004 08040101 Ouachita Headwatersestablished
1437570 whorled hydrillaCACalaveras7858 Bollea Rd. in pond.2004 18040003 San Joaquin Deltaeradicated
1438516 whorled hydrillaCACalaverasDave Hesseltine. Still Water, Pond, Or Lake. , 7858 Bollea Road, Wallace., please confirm suspect hydrilla from existing project site. PDR 13669272004 18040003 San Joaquin Deltaeradicated
1437508 whorled hydrillaCAImperialIid. Flowing Water, Stream Bank, Ditch Bank. Mc Cabe & Forrester Rd, Wildcat Drain, El Centro., please id suspect hydrilla please fax results to m. mizumoto at 760-339-0595. PDR 14035712004 18100204 Salton Seaeradicated
1437616 whorled hydrillaCAImperialWildcat Drain at McCabe & Forrester Rd, El Centro.2004 18100204 Salton Seaeradicated
1437604 whorled hydrillaCATulareGeorge Costa. Still Water, Pond, Or Lake. Highway 190, 33221 Globe Drive, Springville., please confirm hydrilla from existing project site - pond 5. PDR 13218762004 18030006 Upper Tuleeradicated
1518399 whorled hydrillaFLAlachuaHoldens Pond2004 03080102 Oklawahaunknown
1517924 whorled hydrillaFLAlachuaJohnson Lake2004 03080102 Oklawahaestablished
1521052 whorled hydrillaFLAlachuaLake Alto2004 03110206 Santa Feestablished
1516336 whorled hydrillaFLAlachuaLochloosa Lake2004 03080102 Oklawahaestablished
1519015 whorled hydrillaFLAlachuaOrange Lake2004 03080102 Oklawahaestablished
1516458 whorled hydrillaFLBradfordLake Rowell2004 03110206 Santa Feestablished
1518690 whorled hydrillaFLBrevardLake Poinsett2004 03080101 Upper St. Johnsestablished
1520194 whorled hydrillaFLBrevardLake Washington2004 03080101 Upper St. Johnsunknown
1520931 whorled hydrillaFLBrevardLake Winder2004 03080101 Upper St. Johnsestablished
1516345 whorled hydrillaFLBrevardSouth Lake2004 03080101 Upper St. Johnsestablished
1516819 whorled hydrillaFLCitrusChassahowitzka River2004 03100207 Crystal-Pithlachascoteeestablished
1516948 whorled hydrillaFLCitrusCrystal River2004 03100207 Crystal-Pithlachascoteeestablished
1517710 whorled hydrillaFLCitrusHomosassa River (Springs)2004 03100207 Crystal-Pithlachascoteeunknown
1518206 whorled hydrillaFLCitrusTsala Apopka Lake (Floral City Arm)2004 03100208 Withlacoocheeestablished
1521029 whorled hydrillaFLCitrusWithlacoochee River2004 03100208 Withlacoocheeestablished
1518654 whorled hydrillaFLCollierLake Trafford2004 03090204 Big Cypress Swampestablished
1517643 whorled hydrillaFLColumbiaAlligator Lake2004 03110206 Santa Feestablished
1517928 whorled hydrillaFLColumbiaLake Jeffery2004 03110201 Upper Suwanneeunknown
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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 [2/22/2026].

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