| Specimen ID | 240678 |
| Group | Plants |
| Genus | Pistia |
| Species | stratiotes |
| Common Name | water lettuce |
| State | MD |
| County | Charles |
| Locality | Mattawoman Creek, across from Smallwood State Park marina |
| Mapping Accuracy | Accurate |
| HUC8 Name | Lower Potomac |
| HUC8 Number | 02070011 |
| HUC10 Name | Quantico Creek-Potomac River |
| HUC10 Number | 0207001101 |
| HUC12 Name | Marbury Run-Mattawoman Creek |
| HUC12 Number | 020700110102 |
| Map | |
| Collection Day | 6 |
| Collection Month | 9 |
| Collection Year | 2007 |
| Year Accuracy | Actual |
| Potential Pathway | planted ornamental | dispersed | released |
| Status | collected |
| Record Type | Personal communication |
| Earliest Record | drainage |
| Freshwater/Marine | Freshwater-Brackish |
