| Specimen ID | 261482 |
| 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 Month | 5 |
| Collection Year | 2009 |
| Year Accuracy | Estimated |
| Potential Pathway | released aquarium |
| Status | established |
| Reference 1 |
| Ref. Number: | 18641 |
| Author: | Anonymous |
| Date: | 2009 |
| Title: | Invasive plant found in Lake County. |
| Publisher: | Lake Villa Review, Sun-Times News Group, IL. |
| Volume: | 2009 |
| Issue: | May 3 |
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| Comments | found last summer; plants thriving despite ice/snow cover |
| Record Type | Literature |
| Freshwater/Marine | Freshwater |
