| Specimen ID | 1418688 |
| Group | Plants |
| Genus | Trapa |
| Species | natans |
| Common Name | water chestnut |
| State | MD |
| County | Prince George's |
| Locality | Near Fort Washington. In the Potomac River |
| Mapping Accuracy | Accurate |
| HUC8 Name | Middle Potomac-Anacostia-Occoquan |
| HUC8 Number | 02070010 |
| HUC10 Name | Cameron Run-Potomac River |
| HUC10 Number | 0207001003 |
| HUC12 Name | Little Hunting Creek-Potomac River |
| HUC12 Number | 020700100307 |
| Map | |
| Collection Day | 9 |
| Collection Month | 6 |
| Collection Year | 1939 |
| Year Accuracy | Actual |
| Potential Pathway | released | hitch hiker |
| Status | eradicated |
| Reference 1 |
| Ref. Number: | 28178 |
| Author: | The New York Botanical Garden |
| Date: | 2018 |
| Title: | William and Lynda Steere Herbarium (NY) |
| Publisher: | SEINet Data Portal |
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| Reference 2 |
| Ref. Number: | 29277 |
| Author: | SERNEC Data Portal |
| Date: | 2019 |
| Title: | SouthEast Regional Network of Expertise and Collections |
| Publisher: | Appalachian State University |
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| Comments | W. R. Maxon 10984 |
| Record Type | Specimen |
| Disposal | NY |
| Museum Cat Number | 2376851 |
| Verifier | C.B. Hellquist |
| Freshwater/Marine | Freshwater |
