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
1697923 CAMarin[No locality description provided]2015 18050005 Tomales-Drake Bays 
1737220 CAMarin[No locality description provided]2015 18050005 Tomales-Drake Bays 
1886913 CAMarin[No locality description provided]2019 18050005 Tomales-Drake Bays 
1737925 CAMarin[No locality description provided]2021 18050005 Tomales-Drake Bays 
1737926 CAMarin[No locality description provided]2021 18050005 Tomales-Drake Bays 
1737930 CAMarin[No locality description provided]2021 18050005 Tomales-Drake Bays 
1737940 CAMarin[No locality description provided]2021 18050005 Tomales-Drake Bays 
1677268 CAMarin[No locality description provided]2021 18050005 Tomales-Drake Bays 
1738094 CAMarin[No locality description provided]2022 18050005 Tomales-Drake Bays 
1887499 CAMarin[No locality description provided]2023 18050005 Tomales-Drake Bays 
1887647 CAMarin[No locality description provided]2023 18050005 Tomales-Drake Bays 
1888080 CAMarin[No locality description provided]2024 18050005 Tomales-Drake Bays 
1889553 CAMarin[No locality description provided]2025 18050005 Tomales-Drake Bays 
1889977 CAMarin[No locality description provided]2025 18050005 Tomales-Drake Bays 
1439910 CAMarinin Muir Beach.2001 18050005 Tomales-Drake Baysestablished
259324 CAMarinIrrigation pond in Muir Beach2001 18050005 Tomales-Drake Baysestablished
1439384 CAMarinShoreline near grassy point at Lake Lagunitas2011 18050005 Tomales-Drake Baysestablished

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 [12/12/2025].

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