| Specimen ID | 261699 |
| Group | Plants |
| Genus | Juncus |
| Species | compressus |
| Common Name | roundfruit rush |
| State | IL |
| County | Lake |
| Locality | East shoulder of I-94, 0.8 mi south of IL-22, Lincolnshire |
| Mapping Accuracy | Accurate |
| HUC8 Name | Chicago |
| HUC8 Number | 07120003 |
| HUC10 Name | North Branch Chicago River-Chicago Sanitary and Ship Canal |
| HUC10 Number | 0712000301 |
| HUC12 Name | West Fork North Branch Chicago River |
| HUC12 Number | 071200030103 |
| Map | |
| Collection Day | 1 |
| Collection Month | 9 |
| Collection Year | 1990 |
| Year Accuracy | Actual |
| Potential Pathway | dispersed |
| Status | established |
| Comments | Cataloged at the Morton Arboretum |
| Record Type | Specimen |
| Museum Cat Number | 97142 |
| Freshwater/Marine | Freshwater |
