Specimen Information

Egeria densa
Egeria densa
(Brazilian waterweed)
Plants
Exotic

Specimen ID1257381
GroupPlants
GenusEgeria
Speciesdensa
Common NameBrazilian waterweed
StateWA
CountySkagit
LocalityBig Lake
Mapping AccuracyAccurate
HUC8 NameLower Skagit
HUC8 Number17110007
HUC10 NameSkagit River-Frontal Skagit Bay
HUC10 Number1711000702
HUC12 NameNookachamps Creek
HUC12 Number171100070202
Map
+
Collection Day15
Collection Month9
Collection Year1999
Year AccuracyActual
Potential Pathwayunknown
Statusunknown
Reference 1
Ref. Number:28080
Author:Environmental Assessment Program.
Date:2018
Title:Washington State Lakes Environmental Data Version 1.0
Publisher:Washington State Department of Ecology
Commentsdominant at south end and patches elsewhere; Foggy, breezy. Sonar treatment 7/1/98. Dense Egeria at south end and patches in other parts of the lake, looks lke it will dominate again soon. Now a foot or so below the surface. Shoreline very developed. Many water fowl, including domestic geese and ducks. No M. spicatum observed. Did habitat survey.
Record TypeLiterature
Freshwater/MarineFreshwater


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Citation information: U.S. Geological Survey. [2022]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [9/30/2022].

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