Egeria densa
Egeria densa
(Brazilian waterweed)

23 results for Egeria densa (Brazilian waterweed)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
236356 WAKingLake Sammamish2003 17110012 Lake Washingtoncollected
236372 WAKingLake Union2004 17110012 Lake Washingtonestablished
236371 WAKingLake Washington1998 17110012 Lake Washingtonestablished
233538 WAKingLake Washington1998 17110012 Lake Washingtonestablished
1257351 WAKingSammamish Lake2003 17110012 Lake Washingtonunknown
1525200 WAKingSammamish Lake2003 17110012 Lake Washingtonestablished
1528815 WAKingSammamish Lake2011 17110012 Lake Washingtonestablished
1257350 WAKingSammamish Lake2011 17110012 Lake Washingtonunknown
1257285 WAKingSammamish River2009 17110012 Lake Washingtonunknown
1527610 WAKingSammamish River2009 17110012 Lake Washingtonestablished
1257284 WAKingSammamish River2013 17110012 Lake Washingtonunknown
1526406 WAKingSammamish River2013 17110012 Lake Washingtonestablished
1257311 WAKingSammamish River2015 17110012 Lake Washingtonunknown
1257370 WAKingSammamish River2015 17110012 Lake Washingtonunknown
1528816 WAKingSammamish River2015 17110012 Lake Washingtonestablished
1525201 WAKingSammamish River2015 17110012 Lake Washingtonestablished
1527611 WAKingUnion Lake2004 17110012 Lake Washingtonestablished
1257282 WAKingUnion Lake2004 17110012 Lake Washingtonunknown
1257363 WAKingWashington Lake1998 17110012 Lake Washingtonunknown
1526407 WAKingWashington Lake1998 17110012 Lake Washingtonestablished
1525202 WAKingWashington Lake2009 17110012 Lake Washingtonestablished
1257359 WAKingWashington Lake2009 17110012 Lake Washingtonunknown
1528835 WAKingWashington Lake2012 17110012 Lake Washingtonestablished

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 [10/23/2021].

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.