Egeria densa
Egeria densa
(Brazilian waterweed)
Plants
Exotic
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Impacts

22 results for Egeria densa (Brazilian waterweed)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1894469   [No locality description provided]2019   
1894470   [No locality description provided]2019   
1894471   [No locality description provided]2019   
1699053 ALLauderdale[No locality description provided]2019 06030005 Pickwick Lake 
1737445 CAHumboldt[No locality description provided]2019 18010102 Mad-Redwood 
1886913 CAMarin[No locality description provided]2019 18050005 Tomales-Drake Bays 
1888798 CANevada[No locality description provided]2019 18020126 Upper Bear 
1671882 CASan Joaquin[No locality description provided]2019 18040012 Upper Mokelumne 
1632981 GAFulton[No locality description provided]2019 03130001 Upper Chattahoocheeestablished
1737566 GAFulton[No locality description provided]2019 03130001 Upper Chattahoochee 
1633821 NJHunterdonprivate pond off Old Clinton Road, near the South Branch Raritan River2019 02030105 Raritanestablished
1633795 NJMercer[Hamilton Lakes]2019 02040105 Middle Delaware-Musconetcongestablished
1834055 NYSuffolk[No locality description provided]2019 02030202 Southern Long Island 
1737476 ORClackamas[No locality description provided]2019 17090007 Middle Willamette 
1737466 ORCoos[No locality description provided]2019 17100304 Coos 
1672472 ORWashington[No locality description provided]2019 17090010 Tualatin 
1673165 TNFranklin[No locality description provided]2019 06030003 Upper Elk 
1757901 TXBexar[No locality description provided]2019 12100301 Upper San Antonio 
1737446 TXTravis[No locality description provided]2019 12090205 Austin-Travis Lakes 
1673516 WAKing[No locality description provided]2019 17110012 Lake Washington 
1737532 WAKing[No locality description provided]2019 17110012 Lake Washington 
1737533 WAKing[No locality description provided]2019 17110012 Lake Washington 

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. [2026]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [1/22/2026].

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