Specimen Information

Alternanthera philoxeroides
Alternanthera philoxeroides
(alligatorweed)
Plants
Exotic

Specimen ID1389176
GroupPlants
GenusAlternanthera
Speciesphiloxeroides
Common Namealligatorweed
StateLA
CountyPlaquemines
LocalityCRMS0114-V49
Mapping AccuracyAccurate
HUC8 NameEastern Louisiana Coastal
HUC8 Number08090203
HUC10 NameBayou Gentilly-Bayou Terre aux Boeufs
HUC10 Number0809020305
HUC12 NameManuel Canal-Spanish Lake
HUC12 Number080902030506
Map
+
Collection Day31
Collection Month7
Collection Year2012
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
Comments2/3 of plot is in about 60cm deep water and covered in hyacinth. 1/3 of plot is 8cm to wet. Eichhornia crassipes located IN and OUT; about 60% IN. Surface water in plot is 29.8 degrees, 1241 spcd., 0.6 ppt. Dominant species present is hyacinth and dominant rooted species is Polygonum. Water Level is 0.13 ft above marsh. Open water is 0%. Bare ground is 0%. Dead vegetation is 0%. Flooded-Undetermined is 40%.
Record TypeLiterature
Freshwater/MarineFreshwater-Brackish


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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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