| Specimen ID | 1635004 |
| Group | Plants |
| Genus | Trapa |
| Species | bispinosa |
| Variety | iinumai |
| Common Name | water chestnut |
| State | VA |
| County | Prince William |
| Locality | Guy Drive Pond 1 [site code GD1-VA] |
| 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 | 1 |
| Collection Year | 2020 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker on waterfowl |
| Status | established |
| Reference 1 |
| Ref. Number: | 28998 |
| Author: | George Mason University |
| Date: | 2015 |
| Title: | Ted R. Bradley Herbarium (GMUF) |
| Publisher: | SEINet Data Portal |
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| Comments | Initial year 2018. Some raking done in 2019. |
| Record Type | Specimen |
| Disposal | GMUF |
| Verifier | Nancy Rybicki |
| Freshwater/Marine | Freshwater |
| Year Class | Seed |
