Egeria densa
Egeria densa
(Brazilian waterweed)
Plants
Exotic
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Impacts

5 results for Egeria densa (Brazilian waterweed)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1891035 ORDouglas[No locality description provided]2025 17100301 North Umpqua 
1889038 ORLane[No locality description provided]2025 17100207 Siltcoos 
1889021 ORLinn[No locality description provided]2025 17090003 Upper Willamette 
1893234 ORMarion[No locality description provided; coordinates obscured by collector]2025 17090007 Middle Willamette 
1889118 ORWashington[No locality description provided]2025 17090010 Tualatin 

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 [2/17/2026].

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