| Specimen ID | 1657322 |
| Group | Plants |
| Genus | Trapa |
| Species | bispinosa |
| Variety | iinumai |
| Common Name | water chestnut |
| State | VA |
| County | Prince William |
| Locality | George Mason University parking lot pond [site code GMUM-VA] |
| Mapping Accuracy | Accurate |
| HUC8 Name | Middle Potomac-Anacostia-Occoquan |
| HUC8 Number | 02070010 |
| HUC10 Name | Broad Run |
| HUC10 Number | 0207001005 |
| HUC12 Name | Rocky Branch-Broad Run |
| HUC12 Number | 020700100504 |
| Map | |
| Collection Day | 11 |
| Collection Month | 10 |
| Collection Year | 2019 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker on waterfowl |
| Status | unknown |
| Comments | Initial year 2019. Under management with herbicide treatment since 2019. 100% control in 2020. |
| Record Type | Personal communication |
| Earliest Record | locale |
| Verifier | Solitude Lake Management |
| Freshwater/Marine | Freshwater |
