Specimen Information

Egeria densa
Egeria densa
(Brazilian waterweed)
Plants
Exotic

Specimen ID229880
GroupPlants
GenusEgeria
Speciesdensa
Common NameBrazilian waterweed
StateWA
CountyWahkiakum
LocalityPuget Island Sloughs
Mapping AccuracyAccurate
HUC8 NameLower Columbia-Clatskanie
HUC8 Number17080003
HUC10 NameCathlamet Channel-Columbia River
HUC10 Number1708000309
HUC12 NameCathlamet Channel-Columbia River
HUC12 Number170800030900
Map
+
Collection Day16
Collection Month5
Collection Year1995
Year AccuracyActual
Potential Pathwayhitch hiker on small watercraft
Statusestablished
Reference 1
Ref. Number:10460
Author:Parsons, J.
Date:1996
Title:Aquatic Plant Technical Assistance Program: 1995 Acitivity Report.
Journal:Publication No: 96-332
Publisher:Washington State Dept of Ecology, Environmental Investigations and Laboratory Services Program
Pages:39
Reference 2
Ref. Number:16728
Author:Sytsma, M.D., J.R. Cordell, J.W. Chapman, and R.C. Draheim.
Date:2004
Title:Lower Columbia River Aquatic Nonindigenous Species Survey 2001-2004. Final Technical Report: Appendices.
Publisher:United States Coast Guard and the United States Fish and Wildlife Service.
Volume:2004
Issue:October
Pages:164 pp
CommentsNot found during 2005 survey.
Record TypeLiterature
Museum Cat Numberherb/WA St Dept Ecol
Freshwater/MarineFreshwater


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Citation information: U.S. Geological Survey. [2024]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [11/21/2024].

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