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

22 results for Hydrilla verticillata (hydrilla)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1752616 PAAllegheny[No locality description provided]2024 05020005 Lower Monongahela 
1891182 PAAllegheny[No locality description provided]2025 05020005 Lower Monongahela 
1891443 PAAllegheny[No locality description provided]2025 05020005 Lower Monongahela 
1932723 PAAlleghenyElizabeth Boat Ramp, Monongahela River2025 05020005 Lower Monongahela 
1824295 PAFayette[No locality description provided]2016 05020005 Lower Monongahela 
1760098 PAFayette[No locality description provided]2016 05020005 Lower Monongahela 
1824294 PAGreene[No locality description provided]2016 05020005 Lower Monongahela 
1751889 PAGreene[No locality description provided]2024 05020005 Lower Monongahela 
1932735 PAGreeneGreensboro Boat Ramp, Monongahela River2025 05020005 Lower Monongahela 
1634142 PAGreeneMonongehela River at Glassworks boat launch2016 05020005 Lower Monongahelaestablished
1932734 PAGreeneRices Landing boat ramp, Monongahela River2025 05020005 Lower Monongahela 
1932726 PAWashingtonBlack Diamond Boat Ramp, Monongahela River2025 05020005 Lower Monongahela 
1932730 PAWashingtonCalifornia Boat Ramp, Monongahela River2025 05020005 Lower Monongahela 
1932728 PAWashingtonCharleroi Community Park, Monongahela River2025 05020005 Lower Monongahela 
1932722 PAWashingtonLower Monongahela2025 05020005 Lower Monongahela 
1932725 PAWashingtonMonongahela Aquatorium, Monongahela River2025 05020005 Lower Monongahela 
1932733 PAWashingtonMonongahela River2025 05020005 Lower Monongahela 
1932745 PAWashingtonMonongahela River at boat access, foot of 2nd St, E of St. 288, Charleroi2019 05020005 Lower Monongahela 
1932721 PAWashingtonMonongahela River System2025 05020005 Lower Monongahela 
1932724 PAWashingtonNew Eagle Boat Ramp, Monongahela River2025 05020005 Lower Monongahela 
1932729 PAWashingtonSpeers Boat Ramp, Monongahela River2025 05020005 Lower Monongahela 
1932727 PAWestmorelandMonessen boat ramp, Monongahela River2025 05020005 Lower Monongahela 

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. [2026]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [5/23/2026].

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