| Specimen ID | 1897429 |
| Group | Plants |
| Genus | Trapa |
| Species | bispinosa |
| Variety | iinumai |
| Common Name | water chestnut |
| State | VA |
| County | Fairfax |
| Locality | Lake Accotink |
| Mapping Accuracy | Accurate |
| HUC8 Name | Middle Potomac-Anacostia-Occoquan |
| HUC8 Number | 02070010 |
| HUC10 Name | Pohick Creek |
| HUC10 Number | 0207001004 |
| HUC12 Name | Accotink Creek |
| HUC12 Number | 020700100402 |
| Map | |
| Collection Day | 28 |
| Collection Month | 8 |
| Collection Year | 2025 |
| Year Accuracy | Actual |
| Comments | This site was monitored monthly from June through October 2025 by a contractor, Aqua Doc. Treated under NVSWCD's EIP grant annually, beginning in 2023. No Trapa found in late Aug., Sept. or Oct. 2025. |
| Record Type | Personal communication |
| Verifier | Scott Baron |