| Specimen ID | 237589 |
| Group | Plants |
| Genus | Salvinia |
| Species | molesta |
| Common Name | giant salvinia |
| State | LA |
| County | Red River |
| Locality | Grand Bayou Reservoir |
| Mapping Accuracy | Approximate |
| HUC8 Name | Middle Red-Coushatta |
| HUC8 Number | 11140202 |
| Map | |
| Collection Year | 1999 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker on small watercraft | dispersed |
| Status | established |
| Comments | |
| Record Type | Personal communication |
| Earliest Record | drainage |
| Freshwater/Marine | Freshwater |
| Size | 10 acres |