| Specimen ID | 1397250 |
| Group | Plants |
| Genus | Trapa |
| Species | bispinosa |
| Variety | iinumai |
| Common Name | water chestnut |
| State | VA |
| County | Prince William |
| Locality | Occoquan Reservoir, east of Manassas, Virginia, in Prince William County, in the Occoquan River near the east bank [site code OR-VA] |
| Mapping Accuracy | Accurate |
| HUC8 Name | Middle Potomac-Anacostia-Occoquan |
| HUC8 Number | 02070010 |
| HUC10 Name | Occoquan River-Potomac River |
| HUC10 Number | 0207001008 |
| HUC12 Name | Lake Jackson-Occoquan River |
| HUC12 Number | 020700100801 |
| Map | |
| Collection Day | 15 |
| Collection Month | 8 |
| Collection Year | 2010 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker on waterfowl |
| Status | eradicated |
| Reference 1 |
| Ref. Number: | 24369 |
| Author: | Center for Invasive Species and Ecosystem Health. |
| Date: | 2019 |
| Title: | EDDMapS: Early detection and distribution mapping system |
| Publisher: | The University of Georgia |
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| Comments | Initial year 2010. Eradicated (harvested 2010; verified by phone 2017). Local and state officials are currently investigating the site. Voucher specimens will be collected. ; EDDMapS report |
| Record Type | Literature |
| Earliest Record | county |
| Verifier | Nancy Rybicki |
| Freshwater/Marine | Freshwater |
| Size | 0.25 Acres |
