Egeria densa
Egeria densa
(Brazilian waterweed)

19 results for Egeria densa (Brazilian waterweed)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1337799 ARCarrollLake Lucerne2015 11010001 Beaver Reservoirestablished
1337719 ARMillerMercer Bayou2015 11140302 Lower Sulpherestablished
1438497 CAButteAbout 2 miles southeast of intersection of Palm Avenue and Larkin Road, about 5 miles (air) northeast of Gridley.2015 18020159 Honcut Headwaters-Lower Featherestablished
888133 NYNassauHempstead Lake2015 02030202 Southern Long Islandestablished
1257311 WAKingSammamish River2015 17110012 Lake Washingtonunknown
1257370 WAKingSammamish River2015 17110012 Lake Washingtonunknown
1525201 WAKingSammamish River2015 17110012 Lake Washingtonestablished
1528816 WAKingSammamish River2015 17110012 Lake Washingtonestablished
1526412 WAKitsapLong Lake2015 17110019 Puget Soundestablished
1257310 WAKitsapLong Lake2015 17110019 Puget Soundunknown
1257375 WALewisPlummer Lake2015 17100103 Upper Chehalisunknown
1526414 WALewisPlummer Lake2015 17100103 Upper Chehalisestablished
1525232 WAPacificBlack Lake2015 17100106 Willapa Bayestablished
1257329 WAPacificBlack Lake2015 17100106 Willapa Bayunknown
1529175 WAPacificLoomis Lake2015 17100106 Willapa Bayestablished
1257328 WAPacificLoomis Lake2015 17100106 Willapa Bayunknown
1257291 WAThurstonLong Lake2015 17110019 Puget Soundunknown
1529188 WAThurstonLong Lake2015 17110019 Puget Soundestablished
1241391 WVUpshurPrivate pond; Ca. 2 miles W of Buckhannon, N of Rt. 332015 05020001 Tygart Valleyestablished

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.


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. [2021]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [12/7/2021].

Contact us if you are using data from this site for a publication to make sure the data are being used appropriately and for potential co-authorship if warranted. For queries involving fish, please contact Matthew Neilson. For queries involving invertebrates, contact Amy Benson.