Specimen Information

Alternanthera philoxeroides
Alternanthera philoxeroides
(alligatorweed)
Plants
Exotic

Specimen ID1385962
GroupPlants
GenusAlternanthera
Speciesphiloxeroides
Common Namealligatorweed
StateLA
CountySt. Bernard
LocalityCRMS0120-V83
Mapping AccuracyAccurate
HUC8 NameEastern Louisiana Coastal
HUC8 Number08090203
HUC10 NameBayou Gentilly-Bayou Terre aux Boeufs
HUC10 Number0809020305
HUC12 NameFourty Arpent Canal-Creedmore Canal
HUC12 Number080902030502
Map
+
Collection Day5
Collection Month11
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
CommentsArea strongly impacted by Hurricane Isaac. Vegetation shows signs of salt-stress and mortality and stress due to physical energies. Soils show signs of erosion and resuspension. Water Level is below marsh. Open water is 50%. Bare ground is 0%. Dead vegetation is 15%. Flooded-Undetermined is 0%.
Record TypeLiterature
Freshwater/MarineFreshwater


Disclaimer:

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 [5/30/2020].

Contact us if you are using data from this site for a publication to make sure the data are being used appropriately and for potential co-authorship if warranted. For queries involving fish, please contact Matthew Neilson. For queries involving invertebrates, contact Amy Benson.