Hydrilla verticillata
Hydrilla verticillata
(hydrilla)
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257 results for Hydrilla verticillata (hydrilla)
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Specimen IDCommon NameStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1336088 whorled hydrillaALBaldwinCa. 0.5 mi. S of Mobile Bay Causeway, on the E side of the bay1996 03160204 Mobile-Tensawunknown
230393 whorled hydrillaALHaleDemopolis Reservoir, Warrior River arm.1996 03160113 Lower Black Warriorestablished
229420 whorled hydrillaALShelbyOak Mountain State Park Lakes1996 03150202 Cahabaestablished
887726 whorled hydrillaARGarlandLake Ouachita1996 08040101 Ouachita Headwatersestablished
1438624 whorled hydrillaCACalaverasBollea Rd, Private property.1996 18040003 San Joaquin Deltaeradicated
1438461 wandering hydrillaCALakeClear Lake Area #66.1996 18020116 Upper Cacheestablished
1438623 wandering hydrillaCALakeClear Lake Hydrilla Area 26, northwest of Lucerne.1996 18020116 Upper Cacheestablished
1438351 wandering hydrillaCALakeClear Lake, Area 43, N/s Rattlesnake Island.1996 18020116 Upper Cacheestablished
1438530 whorled hydrillaCAShastaRother's pond, Henderson Rd.1996 18020154 Clear Creek-Sacramento Rivereradicated
1438435 whorled hydrillaCATularePrivate ppty, Globe Drive. 1 pond.1996 18030006 Upper Tuleeradicated
1438350 whorled hydrillaCATularePrivate ppty, Mustang Drive. 5 ponds, unknown size.1996 18030006 Upper Tuleeradicated
229183 wandering hydrillaCTNew LondonMystic, pond located near a major tourist attraction with an outlet to a salt water river1996 01100003 Thamesestablished
1520350 whorled hydrillaFLAlachuaHoldens Pond1996 03080102 Oklawahaunknown
1517931 whorled hydrillaFLAlachuaJohnson Lake1996 03080102 Oklawahaestablished
1518643 whorled hydrillaFLAlachuaLake Alto1996 03110206 Santa Feestablished
1521168 whorled hydrillaFLAlachuaLochloosa Lake1996 03080102 Oklawahaestablished
1518899 whorled hydrillaFLAlachuaNewnans Lake1996 03080102 Oklawahaestablished
1520085 whorled hydrillaFLAlachuaOrange Lake1996 03080102 Oklawahaestablished
1521605 whorled hydrillaFLAlachuaWatermellon Pond1996 03110101 Waccasassaunknown
1519557 whorled hydrillaFLBradfordLake Rowell1996 03110206 Santa Feestablished
1519016 whorled hydrillaFLBradfordLake Sampson1996 03110206 Santa Feestablished
1517284 whorled hydrillaFLBrevardClark Lake1996 03080101 Upper St. Johnsunknown
1517385 whorled hydrillaFLBrevardFox Lake1996 03080101 Upper St. Johnsestablished
1517381 whorled hydrillaFLBrevardLake Hellen-blazes1996 03080101 Upper St. Johnsunknown
1517596 whorled hydrillaFLBrevardLake Poinsett1996 03080101 Upper St. Johnsestablished
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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 [2/23/2026].

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