Hydrilla verticillata verticillata
Hydrilla verticillata verticillata
(whorled hydrilla)
Plants
Exotic
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23 results for Hydrilla verticillata verticillata (whorled hydrilla)
Download Data

Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1401274 LAAssumptionBelle River near Pierre Part1986 08090302 West Central Louisiana Coastalestablished
213367 LAAssumptionLake Verret1996 08090302 West Central Louisiana Coastalestablished
230923 LAAssumptionLake Verret1998 08090302 West Central Louisiana Coastalestablished
1241385 LAJeffersonBayou Barataria, near Fleming Canal, Barataria, LA2015 08090301 East Central Louisiana Coastalestablished
229153 LALafourcheDes Allemands Oil Field Canal1980 08090301 East Central Louisiana Coastalestablished
213363 LALafourcheLake Boeuf1998 08090301 East Central Louisiana Coastalestablished
230916 LALafourcheLake Fields1998 08090302 West Central Louisiana Coastalestablished
230881 LALafourcheLake Long1980 08090302 West Central Louisiana Coastalestablished
230878 LAOrleansAlgiers, drainage canal1980 08090301 East Central Louisiana Coastalestablished
887738 LASt. CharlesLake Cataouatche2006 08090301 East Central Louisiana Coastalextirpated
229154 LASt. CharlesMecom Canal, near Bayou Gauche1980 08090301 East Central Louisiana Coastalestablished
1750187 LASt. John the Baptist[No locality description provided]2023 08090301 East Central Louisiana Coastal 
230914 LASt. John the BaptistLac Des Allemands1998 08090301 East Central Louisiana Coastalestablished
229150 LASt. Marycanal near Lake Palourde1980 08090302 West Central Louisiana Coastalestablished
1699309 LATerrebonne[No locality description provided]2021 08090302 West Central Louisiana Coastal 
1749931 LATerrebonne[No locality description provided]2023 08090302 West Central Louisiana Coastal 
230880 LATerrebonneBayou St. Paul1980 08090302 West Central Louisiana Coastalestablished
230874 LATerrebonneBayou Terrebonne1980 08090302 West Central Louisiana Coastalestablished
229152 LATerrebonneLake Penchant1980 08090302 West Central Louisiana Coastalestablished
230925 LATerrebonneLake Penchant1998 08090302 West Central Louisiana Coastalestablished
213364 LATerrebonneLake Theriot1980 08090302 West Central Louisiana Coastalestablished
230924 LATerrebonneLake Theriot1998 08090302 West Central Louisiana Coastalestablished
230875 LATerrebonneMinors Canal1980 08090302 West Central Louisiana Coastalestablished

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 [4/26/2025].

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