Egeria densa
Egeria densa
(Brazilian waterweed)
Plants
Exotic
Collection Info
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Species Profile
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Impacts

466 results for Egeria densa (Brazilian waterweed)
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Click here for listing in all states

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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1758984 NYAlbany[No locality description provided]2004 02020006 Middle Hudson 
888129 NYAlbanyFive Rivers ornamental pond2004 02020006 Middle Hudsonestablished
1887196 NYDelaware[No locality description provided]2021 02040101 Upper Delaware 
1891166 NYDelaware[No locality description provided]2025 02040101 Upper Delaware 
228556 NYKings/Queens/NasMill Neck, Long Island1893 02030201 Northern Long Islandunknown
1247479 NYKings/Queens/NasMill Neck, Long Island1923 02030201 Northern Long Islandunknown
1247480 NYKings/Queens/NasMill Neck, Long Island1923 02030201 Northern Long Islandunknown
1675044 NYNassau[No locality description provided]2020 02030202 Southern Long Island 
1699254 NYNassau[No locality description provided]2020 02030202 Southern Long Island 
888130 NYNassauForest Park Lake2006 02030202 Southern Long Islandestablished
1758607 NYNassauHempstead Lake2003 02030202 Southern Long Island 
1820425 NYNassauHempstead Lake2015 02030202 Southern Long Island 
888133 NYNassauHempstead Lake2015 02030202 Southern Long Islandestablished
888138 NYNassauMerokee Pond2006 02030202 Southern Long Islandestablished
256373 NYNassauNassau County1938 02030200 Long Islandestablished
888139 NYNassauNewbridge Pond2006 02030202 Southern Long Islandestablished
1759105 NYNassauNewbridge Pond2006 02030202 Southern Long Island 
1759624 NYNassauNewbridge Pond2006 02030202 Southern Long Island 
1759865 NYNassauSeaman Pond2006 02030202 Southern Long Island 
1762809 NYNassauSeaman Pond2006 02030202 Southern Long Island 
1759525 NYNassauSeaman Pond2006 02030202 Southern Long Island 
1758722 NYNassauSeaman Pond2006 02030202 Southern Long Island 
1758788 NYNassauSouth Pond2007 02030202 Southern Long Island 
888143 NYNassauSouth Pond2007 02030202 Southern Long Islandestablished
888144 NYNassauTwin Lake South (Wantagh Pond)2006 02030202 Southern Long Islandestablished
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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.

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.