| Specimen ID | 273805 |
| Group | Plants |
| Genus | Alternanthera |
| Species | philoxeroides |
| Common Name | alligatorweed |
| State | LA |
| County | St. Tammany |
| Locality | Road Ditches on both sides of Main St. near Lake Pontchartrain |
| Mapping Accuracy | Accurate |
| HUC8 Name | Liberty Bayou-Tchefuncta |
| HUC8 Number | 08090201 |
| HUC10 Name | Tchefuncta River |
| HUC10 Number | 0809020102 |
| HUC12 Name | Ponchitalawa Creek-Tchefuncta River |
| HUC12 Number | 080902010206 |
| Map | |
| Collection Day | 9 |
| Collection Month | 6 |
| Collection Year | 2010 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker |
| Status | established |
| Reference 1 |
| Ref. Number: | 19381 |
| Author: | Madsen, J.D., G. Ervin, V. Maddox, & C. Abbott. |
| Date: | 2010 |
| Title: | Invasive Plant Atlas of the MidSouth. |
| Publisher: | Mississippi State University. |
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| Record Type | Literature |
| Freshwater/Marine | Freshwater |
