Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
1468605
| IA | Linn | Cedar River, ~0.5 km downstream of lowhead dam, along Old River Rd, Cedar Rapids | 2018 |
07080206
| Lower Cedar | unknown |
547342
| IA | Linn | Cedar River, just below Palisades State Park | 2013 |
07080206
| Lower Cedar | unknown |
1334790
| IA | Muscatine | Cedar River at Conesville, immediately downstream (southwest) of the G28 road (also known as 231st street) bridge crossing the Cedar River | 2015 |
07080206
| Lower Cedar | established |
1334784
| IA | Muscatine | Cedar River at Conesville, immediately downstream (southwest) of the G28 road (also known as 231st street) bridge crossing the Cedar River | 2015 |
07080206
| Lower Cedar | established |