| Specimen ID | 1321003 |
| Group | Plants |
| Genus | Najas |
| Species | minor |
| Common Name | brittle waternymph |
| State | MD |
| County | Prince George's |
| Locality | In Potomac River at National Harbor near Woodrow Wilson Bridge |
| 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 | 25 |
| Collection Month | 9 |
| Collection Year | 2009 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker on small watercraft |
| Status | established |
| Reference 1 |
| Ref. Number: | 16075 |
| Author: | Smithsonian Institution |
| Date: | 2019 |
| Title: | United States National Herbarium (US) |
| Publisher: | Department of Botany, Smithsonian Institution |
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| Comments | US 3563048 |
| Record Type | Specimen |
| Disposal | Smithsonian National Museum of Natural History |
| Museum Cat Number | US 3563048 |
| Freshwater/Marine | Freshwater |
