Egeria densa
Egeria densa
(Brazilian waterweed)
Plants
Exotic
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17 results for Egeria densa (Brazilian waterweed)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1810781 PAAllegheny[No locality description provided]2013 05010009 Lower Allegheny 
1887668 PAAllegheny[No locality description provided]2023 05010009 Lower Allegheny 
1886690 PABeaverpond near Traverse Creek2025 05030101 Upper Ohio 
1763313 PABedford[No locality description provided]2004 02050303 Raystown 
1333356 PABedfordHopewell, Raystown Branch Juniata River at the mouth of Yellow Creek.2004 02050303 Raystownestablished
1759189 PABerksHopewell Lake (BERKS)2008 02040203 Schuylkill 
1834206 PABerksHopewell Lake (BERKS)2018 02040203 Schuylkill 
232099 PABucksBristol, 2.4 km NW1992 02040201 Crosswicks-Neshaminyestablished
1887512 PAChester[No locality description provided]2023 02040205 Brandywine-Christina 
1887606 PADelaware[No locality description provided]2023 02040202 Lower Delaware 
228794 PADelawareBroomalls Lake, near Media1917 02040202 Lower Delawareestablished
1855570 PAMontgomery[No locality description provided]2022 02040203 Schuylkill 
1887491 PAMontgomery[No locality description provided]2023 02040203 Schuylkill 
232098 PAMontgomeryHaverford, 0.25 mi W1939 02040202 Lower Delawareestablished
1738569 PAPhiladelphia[No locality description provided]2023 02040203 Schuylkill 
232097 PAPhiladelphiaFairmount Park1921 02040203 Schuylkillestablished
1891167 PAWayne[No locality description provided]2025 02040101 Upper Delaware 

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 [12/19/2025].

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