| Specimen ID | 892664 |
| Group | Plants |
| Genus | Hydrilla |
| Species | verticillata |
| Subspecies | peregrina |
| Common Name | wandering hydrilla |
| State | MD |
| County | Washington |
| Locality | Blairs Valley Lake, at the boat ramp and throughout |
| Mapping Accuracy | Accurate |
| HUC8 Name | Conococheague-Opequon |
| HUC8 Number | 02070004 |
| HUC10 Name | Rocky Marsh Run-Potomac River |
| HUC10 Number | 0207000411 |
| HUC12 Name | Little Conococheague Creek |
| HUC12 Number | 020700041102 |
| Map | |
| Collection Day | 4 |
| Collection Month | 11 |
| Collection Year | 2015 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker on small watercraft |
| Status | established |
| Comments | Unknown discovery date |
| Record Type | NAS sighting report |
| Freshwater/Marine | Freshwater |
