Specimen Information

Alternanthera philoxeroides
Alternanthera philoxeroides
(alligatorweed)
Plants
Exotic

Specimen ID1387617
GroupPlants
GenusAlternanthera
Speciesphiloxeroides
Common Namealligatorweed
StateLA
CountySt. James
LocalityCRMS0065-F09VC
Mapping AccuracyAccurate
HUC8 NameLake Maurepas
HUC8 Number08070204
HUC10 NameBlind River
HUC10 Number0807020402
HUC12 NameOld New River-Blind River
HUC12 Number080702040204
Map
+
Collection Day31
Collection Month7
Collection Year2014
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
CommentsThis plot and area immediately around it are of higher elevation so there are more plants rooted than others. Plot covered with FAV's (Salvinia minima 20% , Lemna minor 2% , Limnobium spongia 1%) Canopy cover 90% and tree trunk cover 20%. Taxodium distichum tag 990 in plot. Water Level is 0.42 ft above marsh. Open water is 0%. Bare ground is 78%. Dead vegetation is 0%. Flooded-Undetermined is 0%.
Record TypeLiterature
Freshwater/MarineBrackish-Freshwater


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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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