Hydrilla verticillata verticillata
Hydrilla verticillata verticillata
(whorled hydrilla)
Plants
Exotic
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11 results for Hydrilla verticillata verticillata (whorled hydrilla)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1401253 TNHamiltonChickamauga Reservoir at TRM 473 near Booker T. Washington State Park; ca. 2 mi upstream of Chickamauga Dam1988 06020001 Middle Tennessee-Chickamaugaestablished
229118 TNHamiltonChickamauga Reservoir, near Chattanooga.1988 06020001 Middle Tennessee-Chickamaugaestablished
1743049 TNMarion[No locality description provided]2019 06020001 Middle Tennessee-Chickamauga 
1745129 TNMarion[No locality description provided]2020 06020001 Middle Tennessee-Chickamauga 
1701802 TNMarion[No locality description provided]2022 06020001 Middle Tennessee-Chickamauga 
1752752 TNMarion[No locality description provided]2024 06020001 Middle Tennessee-Chickamauga 
1419275 TNMarionNickajack Lake, near SW side of I-24 bridge2016 06020001 Middle Tennessee-Chickamaugaestablished
1401264 TNMarionNickajack Reservoir boat ramp, off Bennett Lake Rd2004 06020001 Middle Tennessee-Chickamaugaestablished
229119 TNMarionNickajack Reservoir, downstream of Chattanooga1989 06020001 Middle Tennessee-Chickamaugaestablished
228632 TNMarionNickajack Reservoir, downstream of Chattanooga1997 06020001 Middle Tennessee-Chickamaugaestablished
1401267 TNRheaboat ramp in Dayton Municipal Park in upstream portion of Big Richland Creek embayment (TRM 504.4R) on Chickamauga Reservoir2008 06020001 Middle Tennessee-Chickamaugaestablished

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 [1/15/2025].

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