| Specimen ID | 1613744 |
| Group | Mollusks-Bivalves |
| Genus | Dreissena |
| Species | polymorpha |
| Common Name | zebra mussel |
| State | TX |
| County | Llano |
| Locality | Colorado River, in Lake Lyndon B. Johnson at McNair Park |
| Mapping Accuracy | Accurate |
| HUC8 Name | Buchanan-Lyndon B. Johnson Lakes |
| HUC8 Number | 12090201 |
| HUC10 Name | Inks Lake-Lake Lyndon B Johnson |
| HUC10 Number | 1209020104 |
| HUC12 Name | Spring Branch-Lake Lyndon B Johnson |
| HUC12 Number | 120902010404 |
| Map | |
| Collection Day | 29 |
| Collection Month | 7 |
| Collection Year | 2019 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker on small watercraft | dispersed |
| Status | established |
| Record Type | Personal communication |
| Verifier | Texas Parks and Wildlife Department |
| Freshwater/Marine | Freshwater |
| Year Class | adult, juvenile, veliger |
