Specimen ID | Common Name | State | County | Locality | Year |
| Drainage name | Status |
1438526
| whorled hydrilla | CA | Yuba | 9th and B Streets, Marysville. | 1976 |
18020159
| Honcut Headwaters-Lower Feather | eradicated |
1438620
| whorled hydrilla | CA | Yuba | city of Marysville, 9th and B Sts., Ellis Lake. | 1976 |
18020159
| Honcut Headwaters-Lower Feather | eradicated |
1438456
| whorled hydrilla | CA | Yuba | Marysville, Ellis Lake, 9th & B Streets. | 1976 |
18020125
| Upper Yuba | eradicated |
1438347
| whorled hydrilla | CA | Yuba | Southeast edge of freshwater Ellis Lake, to 4 1/2 feet deep, 9th and B Streets, Marysville. | 1976 |
18020159
| Honcut Headwaters-Lower Feather | eradicated |
232295
| wandering hydrilla | DE | Sussex | Ingrams Pond, 2 mi W. of Millsboro | 1976 |
02040303
| Chincoteague | established |
1247645
| whorled hydrilla | FL | Volusia | Lake Gleason, Deltona | 1976 |
03080101
| Upper St. Johns | established |
1340663
| whorled hydrilla | SC | Sumter | Lake Marion | 1976 |
03050111
| Lake Marion | established |