Specimen Information

Egeria densa
Egeria densa
(Brazilian waterweed)
Plants
Exotic
Collection Info
Point Map
Species Profile
Animated Map
Impacts

Specimen ID1320966
GroupPlants
GenusEgeria
Speciesdensa
Common NameBrazilian waterweed
StateMD
CountyPrince George's
LocalityGreen Pond
Mapping AccuracyAccurate
HUC8 NamePatuxent
HUC8 Number02060006
HUC10 NameUpper Patuxent River
HUC10 Number0206000604
HUC12 NameHorsepen Branch-Patuxent River
HUC12 Number020600060401
Map
Collection Day18
Collection Month10
Collection Year1950
Year AccuracyActual
Potential Pathwayreleased aquarium | escaped captivity pond
Statusunknown
Reference 1
Ref. Number:13276
Author:Neel, M. (director), J. Hall (curator), and N. Anderson.
Date:2014
Title:Norton-Brown Herbarium (MARY)
Publisher:University of Maryland
CommentsMARY 21014
Record TypeSpecimen
Earliest Recorddrainage
DisposalUniv. of Maryland Norton-Brown Herbarium
Museum Cat NumberMARY 21014
VerifierJames L. Reveal
Freshwater/MarineFreshwater

Disclaimer:

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. [2025]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [12/6/2025].

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