| Specimen ID | 1882637 |
| Group | Plants |
| Genus | Trapa |
| Species | bispinosa |
| Variety | iinumai |
| Common Name | water chestnut |
| State | VA |
| County | Fairfax |
| Locality | inflow of Crooked Branch to Lake Mercer [site code LMP-VA] |
| 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 | 19 |
| Collection Month | 7 |
| Collection Year | 2025 |
| Year Accuracy | Actual |
| Comments | Lake Mercer pond Reservoir Fairfax County located in the portion of the lake closest off Jeffrey ct Fairfax Station, Virginia |
| Record Type | NAS sighting report |
| Verifier | Ian Pfingsten |
