| Specimen ID | 1442942 |
| Group | Plants |
| Genus | Butomus |
| Species | umbellatus |
| Common Name | flowering rush |
| State | IL |
| County | Will |
| Locality | Whalon Lake Forest Preserve |
| Mapping Accuracy | Accurate |
| HUC8 Name | Des Plaines |
| HUC8 Number | 07120004 |
| HUC10 Name | Du Page River |
| HUC10 Number | 0712000408 |
| HUC12 Name | East Branch Du Page River |
| HUC12 Number | 071200040804 |
| Map | |
| Collection Day | 1 |
| Collection Month | 7 |
| Collection Year | 2008 |
| Year Accuracy | Actual |
| Potential Pathway | unknown |
| Status | established |
| Record Type | Specimen |
| Museum Cat Number | Morton Arboretum, Catalog number:168300 |
| Freshwater/Marine | Freshwater |
