| Specimen ID | 1651359 |
| Group | Plants |
| Genus | Ludwigia |
| Species | peploides |
| Subspecies | glabrescens |
| Common Name | floating primrose-willow |
| State | VA |
| County | Fairfax |
| Locality | Potomac River along the border of tidal marsh below Dyke Marsh, ca. 2 mi. S. of the City of Alexandria |
| 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 | 7 |
| Collection Month | 9 |
| Collection Year | 1990 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker | dispersed |
| 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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| Reference 2 |
| Ref. Number: | 28331 |
| Author: | SEINet Portal Network. |
| Date: | 2021 |
| Title: | Southwest Environmental Information Network |
| Publisher: | Symbiota Software Project, Arizona State University |
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| Comments | Coordinates georeferenced by NAS staff |
| Record Type | Specimen |
| Disposal | GMUF |
| Museum Cat Number | 29079 |
| Verifier | Ian Pfingsten |
| Freshwater/Marine | Freshwater |
