Hydrilla verticillata
Hydrilla verticillata
(hydrilla)
Plants
Exotic
Collection Info
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Impacts

19 results for Hydrilla verticillata (hydrilla)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1677809 MDCharles[No locality description provided]2017 02070011 Lower Potomac 
1741041 MDCharles[No locality description provided]2017 02070011 Lower Potomac 
1741051 MDCharles[No locality description provided]2017 02070011 Lower Potomac 
1671519 MDCharles[No locality description provided]2017 02070011 Lower Potomac 
1673844 MDCharles[No locality description provided]2020 02070011 Lower Potomac 
1673842 MDCharles[No locality description provided]2020 02070011 Lower Potomac 
1673843 MDCharles[No locality description provided]2020 02070011 Lower Potomac 
1748097 MDCharles[No locality description provided]2022 02070011 Lower Potomac 
1748221 MDCharles[No locality description provided]2022 02070011 Lower Potomac 
1750278 MDCharles[No locality description provided]2023 02070011 Lower Potomac 
1751568 MDCharles[No locality description provided]2024 02070011 Lower Potomac 
228436 MDCharlesMallows Bay1985 02070011 Lower Potomacestablished
1462727 MDCharlesMattawoman Creek, Potomac River2015 02070011 Lower Potomacestablished
1462736 MDCharlesMattawoman Creek, Potomac River2015 02070011 Lower Potomacestablished
1409966 MDCharlesMyrtle Grove WMA2016 02070011 Lower Potomacestablished
213682 MDCharlesPotomac River, from outlet of Mattawoman Creek to Mallows Bay1990 02070011 Lower Potomacestablished
228653 MDPrince George'sPotomac River, from Haines Pt., D.C. to Indian Head, including Woodrow Wilson Bridge and Marshall Hall.1990 02070011 Lower Potomacestablished
1891048 MDSt. Mary's[No locality description provided]2025 02070011 Lower Potomac 
1409941 MDSt. Mary'sSt. Mary's River State Park2016 02070011 Lower Potomacestablished

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.

Disclaimer:

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 [12/5/2025].

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