| Specimen ID | 1757707 |
| Group | Plants |
| Genus | Trapa |
| Species | bispinosa |
| Variety | iinumai |
| Common Name | water chestnut |
| State | VA |
| County | Fairfax |
| Locality | Farm pond, facility ID number 0494. 12655 Wiltonshire Drive, Clifton |
| Mapping Accuracy | Accurate |
| HUC8 Name | Middle Potomac-Anacostia-Occoquan |
| HUC8 Number | 02070010 |
| HUC10 Name | Bull Run |
| HUC10 Number | 0207001007 |
| HUC12 Name | Lower Bull Run |
| HUC12 Number | 020700100705 |
| Map | |
| Collection Day | 27 |
| Collection Month | 2 |
| Collection Year | 2025 |
| Year Accuracy | Actual |
| Status | established |
| Comments | I did not actually see the plants but I saw a few old floating seedpods. I spoke to the property owner who told me that Trapa covers most of the pond surface, maybe 95 percent. |
| Record Type | NAS sighting report |
| Verifier | Ian Pfingsten |
| Year Class | Fruit |
| Photo | |
