Hydrilla verticillata verticillata
Hydrilla verticillata verticillata
(whorled hydrilla)
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33 results for Hydrilla verticillata verticillata (whorled hydrilla)
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Page:12
Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1634112 ARArkansasMerrisach Lake Campground and Recreation Area (U.S. Army Corps of Engineers), 1.2 mi. W on Merrisach Lane from jct. with Trichnor Blacktop Rd./Nady Rd./Wild Goose Lane. Near boat launch ramp.2011 08020401 Lower Arkansasestablished
1337701 ARAshleyLake Georgia-Pacific2015 08040204 Lower Salineestablished
1743308 ARClark[No locality description provided]2019 08040102 Upper Ouachita 
1891646 ARClark[No locality description provided]2025 08040102 Upper Ouachita 
235652 ARClarkDe Gray Lake2003 08040102 Upper Ouachitaestablished
887725 ARClarkDeGray Lake [Caddo River]1994 08040102 Upper Ouachitaestablished
1634111 ARFaulkner"The Preserve" at The Village at Hendrix (mixed use development). Along upper Little Creek, bounded by Southwestern Energy Dr. & Burrow Ave. & Sanders Rd. & I-40. N of Hendrix College athletic complex & S of Southwestern Energy HQ.2016 11110203 Lake Conway-Point Removeestablished
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
1650875 ARGarlandGarland County, AR, USA2016 08040203 Upper Salineestablished
1337418 ARGarlandLake Balboa, including most of the west shoreline2016 08040203 Upper Salineestablished
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
1634114 ARHot SpringSubmerged in swamp approx. 1 mile below Remmel Dam. Remmel Dam to Rockport Ledge2009 08040102 Upper Ouachitaestablished
1751678 ARHoward[No locality description provided]2024 11140109 Lower Little Arkansas, Oklahoma 
1675235 ARLincoln[No locality description provided]2020 08040205 Bayou Bartholomew 
1337879 ARLincolnCane Creek Lake2015 08040205 Bayou Bartholomewestablished
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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 [1/13/2026].

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