Hydrilla verticillata verticillata
Hydrilla verticillata verticillata
(whorled hydrilla)

94 results for Hydrilla verticillata verticillata (whorled hydrilla)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1709253 LAAscension[No locality description provided]2022 08070202 Amite 
1634120 LAAscensionAlligator Bayou1999 08070202 Amiteestablished
1634119 LAAscensionAlligator Bayou2002 08070202 Amiteestablished
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
1672768 LAAvoyelles[No locality description provided]2019 08080101 Atchafalaya 
230905 LAAvoyellesSpring Bayou Lakes1998 08040301 Lower Redestablished
230903 LABeauregardBundick Lake1998 08080204 Whisky Chittoestablished
230930 LABossierIvan Lake1998 11140205 Bodcau Bayouestablished
213362 LABossierLake Bistineau1996 11140203 Loggy Bayouestablished
230918 LABossierLake Bistineau1998 11140203 Loggy Bayouestablished
230910 LABossier/Red RiveRed River, lock pool from Bossier City to Coushatta1998 11140202 Middle Red-Coushattaestablished
230929 LACaddoBlack Bayou Lake1998 11140304 Cross Bayouestablished
230915 LACaddoCaddo Lake1998 11140306 Caddo Lakeestablished
230908 LACaddoCross Lake1998 11140304 Cross Bayouestablished
237509 LACaddoCross Lake1999 11140304 Cross Bayouestablished
263512 LACaddoCross Lake near Shreveport, LA2009 11140304 Cross Bayouestablished
230879 LACalcasieupond south of Lake Charles1980 08080203 Upper Calcasieuestablished
213368 LACameronCameron Prairie National Wildlife Refuge1997 08080206 Lower Calcasieuestablished
231617 LACameroncoastal marsh areas1998 12040201 Sabine Lakeestablished
230884 LACamerondeep water marshes of Cameron Parish1993 08080206 Lower Calcasieuestablished
230904 LACatahoulaLarto Lake1998 08040301 Lower Redestablished
1674472 LAConcordia[No locality description provided]2020 08040301 Lower Red 
230882 LAConcordiaConcordia Parish1993 08040301 Lower Redestablished

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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Citation information: U.S. Geological Survey. [2024]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [7/24/2024].

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