| Specimen ID | 257166 |
| Group | Plants |
| Genus | Marsilea |
| Species | quadrifolia |
| Common Name | European water-clover |
| State | DC |
| Locality | Middle Potomac-Anacostia-Occoquan drainage |
| Mapping Accuracy | Centroid |
| Centroid Type | HUC8 |
| HUC8 Name | Middle Potomac-Anacostia-Occoquan |
| HUC8 Number | 02070010 |
| Map | |
| Collection Year | 2008 |
| Year Accuracy | Publication Year |
| Potential Pathway | unknown |
| Status | collected |
| Reference 1 |
| Ref. Number: | 17521 |
| Author: | USDA, NRCS. |
| Date: | 2016 |
| Title: | The PLANTS Database |
| Publisher: | National Plant Data Team |
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| Record Type | Literature |
| Freshwater/Marine | Freshwater |
