Egeria densa
Egeria densa
(Brazilian waterweed)
Plants
Exotic
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36 results for Egeria densa (Brazilian waterweed)
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Page:12
Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
235718 CAHumboldtFreshwater Lagoon, south end of Redwood National & State Park, at base of boat launch ramp2004 18010102 Mad-Redwoodestablished
1695247 DEKentPrivate Pond2004 02060005 Choptankunknown
1501030 FLCitrusChassahowitzka River2004 03100207 Crystal-Pithlachascoteeunknown
1501002 FLJeffersonWacissa River2004 03110103 Aucillaunknown
1501006 FLLakeHaines Creek2004 03080102 Oklawahaunknown
1501115 FLLeonCarr Lake2004 03120003 Lower Ochlockoneeunknown
1501201 FLSanta RosaBlackwater River (freshwater segment)2004 03140104 Blackwaterunknown
1500985 FLWakullaWakulla River2004 03120001 Apalachee Bay-St. Marksunknown
242425 INMonroeGriffy Lake (Reservoir)2004 05120202 Lower Whiteeradicated
1319713 NJMercer[Stony Brook Tributary]2004 02030105 Raritanestablished
1758984 NYAlbany[No locality description provided]2004 02020006 Middle Hudson 
888129 NYAlbanyFive Rivers ornamental pond2004 02020006 Middle Hudsonestablished
1759337 NYNassauWantagh Reservoir2004 02030202 Southern Long Island 
1763070 ORCurry[No locality description provided]2004 17100311 Illinois 
235804 ORDouglasElbow Lake, north of Reesport, west of Hwy. 1012004 17100207 Siltcoosestablished
235866 ORDouglasTahkenitch Lake, north of Reedsport, east of hwy 1012004 17100207 Siltcoosestablished
235802 ORLaneSiltcoos Lagoons2004 17100207 Siltcoosestablished
235861 ORLaneSiltcoos Lake, south of Florence, east of hwy 1012004 17100207 Siltcoosestablished
1763313 PABedford[No locality description provided]2004 02050303 Raystown 
1333356 PABedfordHopewell, Raystown Branch Juniata River at the mouth of Yellow Creek.2004 02050303 Raystownestablished
252515 VAFranklinSmith Mountain Lake, Crazy Horse Cove2004 03010101 Upper Roanokeestablished
1257294 WAClarkBattleground Lake2004 17080003 Lower Columbia-Clatskanieunknown
1525168 WAClarkBattleground Lake2004 17080003 Lower Columbia-Clatskanieestablished
1528794 WAClarkLacamas Lake2004 17080001 Lower Columbia-Sandyestablished
1257382 WAClarkLacamas Lake2004 17080001 Lower Columbia-Sandyunknown
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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 [3/14/2026].

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