Hydrilla verticillata
Hydrilla verticillata
(hydrilla)
Plants
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212 results for Hydrilla verticillata (hydrilla)
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Specimen IDCommon NameStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
235652 whorled hydrillaARClarkDe Gray Lake2003 08040102 Upper Ouachitaestablished
1401271 whorled hydrillaARMontgomeryLake Ouachita, SW portion, Joplin Campgrounds, Mountain Harbor Rd2003 08040101 Ouachita Headwatersestablished
1438680 whorled hydrillaCACalaverasBollea Rd.2003 18040003 San Joaquin Deltaeradicated
1438583 whorled hydrillaCACalaverasCarl Kerstan. Still Water, Pond, Or Lake. , 19325 Jesus Mana Rd., Mokelumne Hill., confirm hydilla. 1st find of season here.. PDR P1753802003 18040011 Upper Calaveras Californiaeradicated
1438406 wandering hydrillaCAYubaRenaissance Winery. Still Water, Pond, Or Lake. , 12585 Rice's Crossing Rd, Oregon House., reservoir 23. pond.. PDR 10355222003 18020125 Upper Yubaestablished
1518052 whorled hydrillaFLAlachuaHoldens Pond2003 03080102 Oklawahaunknown
1518031 whorled hydrillaFLAlachuaLochloosa Lake2003 03080102 Oklawahaestablished
1518117 whorled hydrillaFLAlachuaOrange Lake2003 03080102 Oklawahaestablished
1521421 whorled hydrillaFLBradfordLake Rowell2003 03110206 Santa Feestablished
1521422 whorled hydrillaFLBradfordLake Sampson2003 03110206 Santa Feestablished
1517937 whorled hydrillaFLBrevardFox Lake2003 03080101 Upper St. Johnsestablished
1517105 whorled hydrillaFLBrevardLake Hellen-blazes2003 03080101 Upper St. Johnsunknown
1517638 whorled hydrillaFLBrevardLake Poinsett2003 03080101 Upper St. Johnsestablished
1521377 whorled hydrillaFLBrevardLake Washington2003 03080101 Upper St. Johnsunknown
1516866 whorled hydrillaFLBrevardLake Winder2003 03080101 Upper St. Johnsestablished
1517623 whorled hydrillaFLBrevardLittle Sawgrass Lake2003 03080101 Upper St. Johnsunknown
1521017 whorled hydrillaFLBrevardRuth Lake2003 03080101 Upper St. Johnsunknown
1517832 whorled hydrillaFLBrevardSawgrass Lake2003 03080101 Upper St. Johnsunknown
1521953 whorled hydrillaFLBrevardSouth Lake2003 03080101 Upper St. Johnsestablished
1518040 whorled hydrillaFLCitrusChassahowitzka River2003 03100207 Crystal-Pithlachascoteeestablished
1517873 whorled hydrillaFLCitrusCrystal River2003 03100207 Crystal-Pithlachascoteeestablished
1517726 whorled hydrillaFLCitrusHomosassa River (Springs)2003 03100207 Crystal-Pithlachascoteeunknown
1517592 whorled hydrillaFLCitrusTsala Apopka Lake (Floral City Arm)2003 03100208 Withlacoocheeestablished
1517333 whorled hydrillaFLCitrusWithlacoochee River2003 03100208 Withlacoocheeestablished
1520941 whorled hydrillaFLCollierLake Trafford2003 03090204 Big Cypress Swampestablished
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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 [2/21/2026].

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