Specimen Information

Egeria densa
Egeria densa
(Brazilian waterweed)

Specimen ID1257303
Common NameBrazilian waterweed
LocalityBattleground Lake
Mapping AccuracyAccurate
HUC8 NameLower Columbia-Clatskanie
HUC8 Number17080003
HUC10 NameSalmon Creek-Frontal Columbia River
HUC10 Number1708000301
HUC12 NameUpper Salmon Creek
HUC12 Number170800030102
Collection Day20
Collection Month6
Collection Year2005
Year AccuracyActual
Potential Pathwayunknown
Reference 1
Ref. Number:28080
Author:Environmental Assessment Program.
Title:Washington State Lakes Environmental Data Version 1.0
Publisher:Washington State Department of Ecology
Commentsseemed more prevalent than last year, scattered plants around the lake. Grass carp (100) stocked in 2005, Egeria eradicated.; Weather partly cloudy, calm to light breeze. Bluegreen algae on lake bottom about 10 ft deep. Water clear. Egeria mostly found around the dock and launch area, but scattered plants found throughout the lake. 100 Grass carp were planted about 1 week ago, lots of small fish (fry) observed.
Record TypeLiterature


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Citation information: U.S. Geological Survey. [2022]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [12/6/2022].

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