| Specimen ID | 260823 |
| Group | Plants |
| Genus | Egeria |
| Species | densa |
| Common Name | Brazilian waterweed |
| State | IL |
| County | Lake |
| Locality | Libertyville, retention pond |
| Mapping Accuracy | Accurate |
| HUC8 Name | Des Plaines |
| HUC8 Number | 07120004 |
| HUC10 Name | Bull Creek-Des Plaines River |
| HUC10 Number | 0712000403 |
| HUC12 Name | Bull Creek-Des Plaines River |
| HUC12 Number | 071200040302 |
| Map | |
| Collection Day | 21 |
| Collection Month | 8 |
| Collection Year | 2008 |
| Year Accuracy | Actual |
| Potential Pathway | unknown |
| Status | established |
| Record Type | NAS sighting report |
| Earliest Record | drainage |
| Freshwater/Marine | Freshwater |
| Photo | |
