Specimen Information

Alternanthera philoxeroides
Alternanthera philoxeroides
(alligatorweed)
Plants
Exotic

Specimen ID1394668
GroupPlants
GenusAlternanthera
Speciesphiloxeroides
Common Namealligatorweed
StateLA
CountyPlaquemines
LocalityCRMS2634-V33
Mapping AccuracyAccurate
HUC8 NameLower Mississippi-New Orleans
HUC8 Number08090100
HUC10 NameMississippi River Delta-Frontal Gulf of Mexico
HUC10 Number0809010002
HUC12 NameBenneys Bay-Frontal Gulf of Mexico
HUC12 Number080901000201
Map
+
Collection Day8
Collection Month7
Collection Year2015
Year AccuracyActual
Potential Pathwayunknown
Statusestablished
Reference 1
Ref. Number:29060
Author:Coastal Protection and Restoration Authority (CPRA) of Louisiana.
Date:2019
Title:Coastwide Reference Monitoring System-Wetlands Monitoring Data
Publisher:Coastal Information Management System (CIMS) database
CommentsSalvinia sp present; can not see through water to determine if there is a carpet layer; labeled as flooded-undetermined Water Level is 0.8 ft above marsh. Open water is 0%. Bare ground is 0%. Dead vegetation is 0%. Flooded-Undetermined is 30%.
Record TypeLiterature
Freshwater/MarineFreshwater


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Citation information: U.S. Geological Survey. [2024]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [4/19/2024].

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