| Specimen ID | 231911 |
| Group | Plants |
| Genus | Limnophila |
| Species | × ludoviciana |
| Common Name | marshweed |
| State | LA |
| County | Evangeline |
| Locality | Mountain Bayou Lake (a cypress swamp) and in a stream flowing into the lake, ca. 2 mi. WNW of St. Landry |
| Mapping Accuracy | Accurate |
| HUC8 Name | Bayou Teche |
| HUC8 Number | 08080102 |
| HUC10 Name | Lower Bayou Boeuf |
| HUC10 Number | 0808010205 |
| HUC12 Name | Mountain Bayou Lake-Bayou Cocodrie |
| HUC12 Number | 080801020505 |
| Map | |
| Collection Day | 1 |
| Collection Month | 10 |
| Collection Year | 1963 |
| Year Accuracy | Actual |
| Potential Pathway | unknown |
| Status | established |
| Comments | habitat: at margin of cypress swamp CollectorNumber: Thieret 16434 (NLU) |
| Museum Cat Number | NLU |
| Verifier | Thieret, John |
| Freshwater/Marine | Freshwater |
