Hydrilla verticillata
Hydrilla verticillata
(hydrilla)
Plants
Exotic
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8 results for Hydrilla verticillata (hydrilla)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1700720 MDWashington[No locality description provided]2022 02070004 Conococheague-Opequon 
1701715 MDWashington[No locality description provided]2022 02070004 Conococheague-Opequon 
1748756 MDWashington[No locality description provided]2022 02070004 Conococheague-Opequon 
1695199 MDWashingtonBlairs Valley Lake2020 02070004 Conococheague-Opequonunknown
1409980 MDWashingtonBlairs Valley Lake WMA2016 02070004 Conococheague-Opequonestablished
892663 MDWashingtonBlairs Valley Lake, at the boat ramp and throughout2015 02070004 Conococheague-Opequonestablished
892664 MDWashingtonBlairs Valley Lake, at the boat ramp and throughout2015 02070004 Conococheague-Opequonestablished
1320963 MDWashingtonReservoir on Conococheague Run2014 02070004 Conococheague-Opequonestablished

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 [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.