Hydrilla verticillata
Hydrilla verticillata

21 results for Hydrilla verticillata (hydrilla)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1655034 MDCecilAtlantic Ocean, North East, MD, US2020 02060002 Chester-Sassafrasestablished
232117 MDCecilBohemia River2000 02060002 Chester-Sassafrasestablished
1679291 MDCecilCecil County, US-MD, US2020 02060002 Chester-Sassafras 
232116 MDCecilElk River2000 02060002 Chester-Sassafrasestablished
1409940 MDCecilElk River, just north of Welch Point and Back Creek2015 02060002 Chester-Sassafrasestablished
1409954 MDCecilElk River, just north of Welch Point and Back Creek2015 02060002 Chester-Sassafrasestablished
232115 MDCecilNortheast River2000 02060002 Chester-Sassafrasestablished
232118 MDCecil/KentSassafras River2000 02060002 Chester-Sassafrasestablished
1695184 MDKentChester 2019 Expansion2019 02060002 Chester-Sassafrasunknown
887763 MDKentChester River, near Buckingham Rd2015 02060002 Chester-Sassafrasestablished
887766 MDKentChester River, near Maiden Lot Farm Ln2015 02060002 Chester-Sassafrasestablished
887762 MDKentChester River, off Buckingham Rd2015 02060002 Chester-Sassafrasestablished
1677398 MDKentMillington, MD 21651, USA2021 02060002 Chester-Sassafras 
887769 MDKentShippen Creek2003 02060002 Chester-Sassafrasestablished
1701560 MDQueen Anne's[No locality description provided]2022 02060002 Chester-Sassafras 
887768 MDQueen Anne'sChester River, near Char Nor Manor Blvd2015 02060002 Chester-Sassafrasestablished
887765 MDQueen Anne'sChester River, near Chino Farm Circle2015 02060002 Chester-Sassafrasestablished
887767 MDQueen Anne'sChester River, near Chino Farm Ln2015 02060002 Chester-Sassafrasestablished
887764 MDQueen Anne'sChester River, near Pear Tree Point Rd2015 02060002 Chester-Sassafrasestablished
887770 MDQueen Anne'sMarshy Creek2004 02060002 Chester-Sassafrasestablished
1677447 MDQueen Anne'sTerrapin Nature Park, Centreville, MD, US2021 02060002 Chester-Sassafras 

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. [2024]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [3/1/2024].

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