Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
33697
| IL | Gallatin | Yellowbank Slough (Wabash R. drainage), 4.8 km s New Haven, Gallatin County | 1987 |
05120113
| Lower Wabash | established |
33698
| IL | Jackson | slough at Oakwood Bottoms (Big Muddy R. drainage), 8 km, NE Grand Tower, Jackson County | 1978 |
07140106
| Big Muddy | collected |
33696
| IL | Perry | strip mine in Perry County, southern Illinois | 1955 |
07140106
| Big Muddy | collected |
33699
| IL | Union | LaRue-Pine Hills Swamp (Clear Cr.-Mississippi R. drainage), Union County | 1952 |
07140105
| Upper Mississippi-Cape Girardeau | collected |