| Ekosystem | Typ | Status | Ref. |
|---|---|---|---|
| Colorado River | River (basin) | native | 5723 |
| Great Lakes | Lake | native | 5723 |
| Mississippi River | River (basin) | native | 5723 |
| Missouri River | River (basin) | native | 78789 |
| Nearctic | Zoogeographic realm | endemic | 5723 |
| Tennessee River | River (basin) | native | 10294 |