| Specimen ID | 892666 |
| Group | Plants |
| Genus | Hydrilla |
| Species | verticillata |
| Subspecies | peregrina |
| Common Name | wandering hydrilla |
| State | MD |
| County | Montgomery |
| Locality | Clopper Lake, at Seneca Creek State Park; at boat ramp and throughout |
| Mapping Accuracy | Accurate |
| HUC8 Name | Middle Potomac-Catoctin |
| HUC8 Number | 02070008 |
| HUC10 Name | Seneca Creek |
| HUC10 Number | 0207000808 |
| HUC12 Name | Great Seneca Creek |
| HUC12 Number | 020700080802 |
| Map | |
| Collection Day | 6 |
| Collection Month | 11 |
| Collection Year | 2015 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker on small watercraft |
| Status | established |
| Comments | Statements from the park managers and other DNR staff suggest hydrilla has been at the lake for years |
| Record Type | NAS sighting report |
| Freshwater/Marine | Freshwater |
