Specimen Information

Alternanthera philoxeroides
Alternanthera philoxeroides
(alligatorweed)
Plants
Exotic

Specimen ID1320965
GroupPlants
GenusAlternanthera
Speciesphiloxeroides
Common Namealligatorweed
StateMD
CountyPrince George's
LocalityDuck Pond Park
Mapping AccuracyAccurate
HUC8 NameMiddle Potomac-Anacostia-Occoquan
HUC8 Number02070010
HUC10 NameAnacostia River
HUC10 Number0207001002
HUC12 NameNorthwest Branch Anacostia River
HUC12 Number020700100201
Map
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Collection Day16
Collection Month9
Collection Year2014
Year AccuracyActual
Potential Pathwayhitch hiker
Statusestablished
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
CommentsGrowing at the waters edge. Covering a narrow strip more than 200 feet along the length of the pond. The first confirmed report of this species in the State of Maryland. Flowers white, clustered at the end of a long stalk. MARY 1000869
Record TypeSpecimen
Earliest Recordcounty
DisposalUniv. of Maryland Norton-Brown Herbarium
Museum Cat NumberMARY 1000869
Freshwater/MarineFreshwater
Photo



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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. [2020]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [1/18/2020].

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