| Specimen ID | 1884237 |
| Group | Plants |
| Genus | Trapa |
| Species | bispinosa |
| Variety | iinumai |
| Common Name | water chestnut |
| State | VA |
| County | Fairfax |
| Locality | Huntsman Lake. Shoreline of lake. Walk to end of boat ramp (off Golden Ball Tavern Ct.) and follow shoreline to the right. |
| Mapping Accuracy | Accurate |
| HUC8 Name | Middle Potomac-Anacostia-Occoquan |
| HUC8 Number | 02070010 |
| HUC10 Name | Pohick Creek |
| HUC10 Number | 0207001004 |
| HUC12 Name | Pohick Creek |
| HUC12 Number | 020700100401 |
| Map | |
| Collection Day | 1 |
| Collection Month | 8 |
| Collection Year | 2025 |
| Year Accuracy | Actual |
| Status | established |
| Comments | Less than 5 percent coverage. Treatments to begin August and continue bimonthly as needed through October. Late season treatments due to contractual difficulties. |
| Record Type | NAS sighting report |
| Verifier | Ian Pfingsten |
| Photo | |