Specimen Information

Alternanthera philoxeroides
Alternanthera philoxeroides
(alligatorweed)
Plants
Exotic

Specimen ID1387327
GroupPlants
GenusAlternanthera
Speciesphiloxeroides
Common Namealligatorweed
StateLA
CountySt. John the Baptist
LocalityCRMS0063-F02VC
Mapping AccuracyAccurate
HUC8 NameLake Maurepas
HUC8 Number08070204
HUC10 NameMississippi Bayou
HUC10 Number0807020403
HUC12 NameHope Canal-Pipeline Canal
HUC12 Number080702040302
Map
+
Collection Day29
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
CommentsNyssa aquatica #3391 in and out of plot; FAV present - Eichhornia crassipes (5%, both), Salvinia minima (10%, both, stressed), Salvinia molesta (15%, both); very unconsolidated marsh mat Water Level is 0 ft above marsh. Open water is 0%. Bare ground is 10%. Dead vegetation is 5%. Flooded-Undetermined is 0%. Canopy cover is 65%. Tree trunk cover is 25%. Marsh is floating.
Record TypeLiterature
Freshwater/MarineBrackish-Freshwater


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Citation information: U.S. Geological Survey. [2024]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [11/23/2024].

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