Hydrilla verticillata
Hydrilla verticillata

33 results for Hydrilla verticillata (hydrilla)
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Specimen IDCommon NameStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1634112 dioecious hydrillaARArkansasMerrisach 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 dioecious hydrillaARAshleyLake Georgia-Pacific2015 08040204 Lower Salineestablished
235652 dioecious hydrillaARClarkDe Gray Lake2003 08040102 Upper Ouachitaestablished
887725 dioecious hydrillaARClarkDeGray Lake [Caddo River]1994 08040102 Upper Ouachitaestablished
1634111 dioecious hydrillaARFaulkner"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 dioecious hydrillaARGarland[No locality description provided]2021 08040101 Ouachita Headwaters 
1699938 dioecious hydrillaARGarland[No locality description provided]2021 08040101 Ouachita Headwaters 
1649779 dioecious hydrillaARGarlandBrady Mountain [Recreation] Use Area, South shore of Lake Ouachita and along access road north from 2702006 08040101 Ouachita Headwatersestablished
1649774 dioecious hydrillaARGarlandedge of Spencer's Bay, south of 270, a backwater of Ouachita River, impoundment Lake Catherine2007 08040101 Ouachita Headwatersestablished
1650875 dioecious hydrillaARGarlandGarland County, AR, USA2016 08040203 Upper Salineestablished
1337418 dioecious hydrillaARGarlandLake Balboa, including most of the west shoreline2016 08040203 Upper Salineestablished
1649777 dioecious hydrillaARGarlandLake Hamilton, shoreline at boat ramp park at north of Carpenter dam2004 08040101 Ouachita Headwatersestablished
887726 dioecious hydrillaARGarlandLake Ouachita1996 08040101 Ouachita Headwatersestablished
235651 dioecious hydrillaARGarlandLake Ouachita1999 08040101 Ouachita Headwatersestablished
242959 dioecious hydrillaARGarlandLake Ouachita2006 08040101 Ouachita Headwatersestablished
1337958 dioecious hydrillaARGarlandLake Ouachita2016 08040101 Ouachita Headwatersestablished
1633965 monoecious hydrillaARHempsteadMillwood Lake, Saratoga landing, AR 2342005 11140109 Lower Little Arkansas, Oklahomaestablished
1634113 dioecious hydrillaARHot SpringLake Catherine, shoreline at Lake Catherine State Park, at boat docks2004 08040101 Ouachita Headwatersestablished
1634114 dioecious hydrillaARHot SpringSubmerged in swamp approx. 1 mile below Remmel Dam. Remmel Dam to Rockport Ledge2009 08040102 Upper Ouachitaestablished
1633967 monoecious hydrillaARHowardMillwood Lake, Okay landing2005 11140109 Lower Little Arkansas, Oklahomaestablished
1633966 monoecious hydrillaARHowardMillwood Park, Cottonshed landing2005 11140109 Lower Little Arkansas, Oklahomaestablished
1337879 dioecious hydrillaARLincolnCane Creek Lake2015 08040205 Bayou Bartholomewestablished
1675235 dioecious hydrillaARLincolnLincoln County, AR, USA2020 08040205 Bayou Bartholomew 
1633964 monoecious hydrillaARLittle RiverMillwood Lake, Millwood State Park2005 11140109 Lower Little Arkansas, Oklahomaestablished
1633963 monoecious hydrillaARLittle RiverMillwood Lake, Yarborough landing, Hwy 3172005 11140109 Lower Little Arkansas, Oklahomaestablished

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.


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. [2023]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [4/1/2023].

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