Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
33070
| IA | | middle Raccoon River | 1963 |
07100007
| South Raccoon | collected |
33071
| IA | | middle Raccoon River | 1987 |
07100007
| South Raccoon | collected |
33072
| IA | | Whitebreast Creek | 1963 |
07100008
| Lake Red Rock | collected |
33073
| IA | | Whitebreast Creek | 1987 |
07100008
| Lake Red Rock | collected |
1875818
| IA | Fayette | [No locality description provided] | 2024 |
07060004
| Turkey | |
1874657
| IA | Johnson | [No locality description provided] | 2018 |
07080208
| Middle Iowa | |
1875382
| IA | Johnson | [No locality description provided] | 2022 |
07080209
| Lower Iowa | |
1875560
| IA | Johnson | [No locality description provided] | 2024 |
07080209
| Lower Iowa | |
1876330
| IA | Johnson | [No locality description provided] | 2025 |
07080209
| Lower Iowa | |
33074
| IA | Johnson | Coralville Reservoir | 1987 |
07080208
| Middle Iowa | collected |
162729
| IA | Johnson | Iowa River | 2001 |
07080209
| Lower Iowa | established |
33075
| IA | Johnson | Lake MacBride | 1969 |
07080208
| Middle Iowa | established |
270667
| IA | Louisa | Confluence of the Iowa and Cedar Rivers | 1986 |
07080209
| Lower Iowa | established |