Hydrilla verticillata
Hydrilla verticillata
(hydrilla)
Plants
Exotic
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185 results for Hydrilla verticillata (hydrilla)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1634135 PAAdamsLake Meade2004 02050306 Lower Susquehannaestablished
1677376 PAAllegheny[No locality description provided]2021 05010009 Lower Allegheny 
1705536 PAAllegheny[No locality description provided]2022 05010009 Lower Allegheny 
1750367 PAAllegheny[No locality description provided]2023 05010009 Lower Allegheny 
1751938 PAAllegheny[No locality description provided]2024 05010009 Lower Allegheny 
1752075 PAAllegheny[No locality description provided]2024 05010009 Lower Allegheny 
1752616 PAAllegheny[No locality description provided]2024 05020005 Lower Monongahela 
1751841 PAAllegheny[No locality description provided]2024 05010009 Lower Allegheny 
1634143 PAAlleghenyNorth Park, Pierce Mill Rd, NW of Babcock Blvd, McCandless Twp2018 05010009 Lower Alleghenyestablished
1634141 PAAlleghenyPine Creek downstream of Wildwood Rd & Best Feeds Garden Center at fishing access, Gibsonia2018 05010009 Lower Alleghenyestablished
1751791 PAArmstrong[No locality description provided]2024 05010006 Middle Allegheny-Redbank 
1709308 PABeaver[No locality description provided]2022 05030101 Upper Ohio 
230670 PABradfordHighland Lake, impoundment on Southwick Creek, a tributary to Gaylord Creek (lake private), Warren Twp1996 02050106 Upper Susquehanna-Tunkhannockestablished
1675309 PABucks[No locality description provided]2020 02040105 Middle Delaware-Musconetcong 
1675673 PABucks[No locality description provided]2020 02040105 Middle Delaware-Musconetcong 
1680049 PABucks[No locality description provided]2021 02040105 Middle Delaware-Musconetcong 
1746922 PABucks[No locality description provided]2021 02040201 Crosswicks-Neshaminy 
1701104 PABucks[No locality description provided]2022 02040105 Middle Delaware-Musconetcong 
1701844 PABucks[No locality description provided]2022 02040105 Middle Delaware-Musconetcong 
1752153 PABucks[No locality description provided]2024 02040105 Middle Delaware-Musconetcong 
1654583 PABucksBucks County, PA, USA2020 02040201 Crosswicks-Neshaminyestablished
232853 PABucksLake Nockamixon1998 02040105 Middle Delaware-Musconetcongestablished
231670 PABucksLake Nockamixon, about 3.4 kilometers northwest of Ottsville, in drowned portion of Haycock Creek1998 02040105 Middle Delaware-Musconetcongestablished
1649602 PABucksRalph Stover State Park2018 02040105 Middle Delaware-Musconetcongestablished
1679954 PAButler[No locality description provided]2021 05030105 Connoquenessing 
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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 [2/7/2025].

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