| Specimen ID | 232198 |
| Group | Plants |
| Genus | Salvinia |
| Species | molesta |
| Common Name | giant salvinia |
| State | TX |
| County | Jackson |
| Locality | Sandy Creek, mouth of creek where it enters Lake Texana, just above the Hwy 59 causeway, and upstream for two miles |
| Mapping Accuracy | Accurate |
| HUC8 Name | Navidad |
| HUC8 Number | 12100102 |
| HUC10 Name | Mustang Creek-Navidad River |
| HUC10 Number | 1210010205 |
| HUC12 Name | Sandy Creek-Navidad River |
| HUC12 Number | 121001020501 |
| Map | |
| Collection Day | 25 |
| Collection Month | 8 |
| Collection Year | 1999 |
| Year Accuracy | Actual |
| Potential Pathway | unknown |
| Status | established |
| Freshwater/Marine | Freshwater |