Hydrilla verticillata
Hydrilla verticillata
(hydrilla)
Plants
Exotic
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Impacts

13 results for Hydrilla verticillata (hydrilla)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1699924 ARGarland[No locality description provided]2021 08040101 Ouachita Headwaters 
1699938 ARGarland[No locality description provided]2021 08040101 Ouachita Headwaters 
1750795 ARGarland[No locality description provided]2023 08040101 Ouachita Headwaters 
1752676 ARGarland[No locality description provided]2024 08040101 Ouachita Headwaters 
1649779 ARGarlandBrady Mountain [Recreation] Use Area, South shore of Lake Ouachita and along access road north from 2702006 08040101 Ouachita Headwatersestablished
1649774 ARGarlandedge of Spencer's Bay, south of 270, a backwater of Ouachita River, impoundment Lake Catherine2007 08040101 Ouachita Headwatersestablished
1649777 ARGarlandLake Hamilton, shoreline at boat ramp park at north of Carpenter dam2004 08040101 Ouachita Headwatersestablished
887726 ARGarlandLake Ouachita1996 08040101 Ouachita Headwatersestablished
235651 ARGarlandLake Ouachita1999 08040101 Ouachita Headwatersestablished
242959 ARGarlandLake Ouachita2006 08040101 Ouachita Headwatersestablished
1337958 ARGarlandLake Ouachita2016 08040101 Ouachita Headwatersestablished
1634113 ARHot SpringLake Catherine, shoreline at Lake Catherine State Park, at boat docks2004 08040101 Ouachita Headwatersestablished
1401271 ARMontgomeryLake Ouachita, SW portion, Joplin Campgrounds, Mountain Harbor Rd2003 08040101 Ouachita Headwatersestablished

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. [2025]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [1/29/2025].

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