| Specimen ID# | State | County | Locality | Year | HUC Number | Drainage Name | Status |
|---|
| 156825 | IL | Calhoun | Illinois River at Hardin, Illinois | 2003 | 07130011 | Lower Illinois | established |
| 156826 | IL | Mason | Illinois River at Havana, Illinois | 2003 | 07130003 | Lower Illinois-Lake Chautauqua | established |
| 156824 | IL | Mason | Illinois River at Goofy Ridge, Illinois [~9 mi NE of Havana] | 2003 | 07130003 | Lower Illinois-Lake Chautauqua | established |
| 156823 | IL | Peoria | Illinois River at Pekin, Illinois | 2003 | 07130003 | Lower Illinois-Lake Chautauqua | established |
| 156827 | IL | Pike | Illinois River at Valley City, Illinois | 2003 | 07130011 | Lower Illinois | established |
| 237724 | IL | Grundy | Illinois River just above Dresden Lock & Dam [R.M. 272] | 2005 | 07120005 | Upper Illinois | established |