Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
37358
| ND | Mercer | Lake Sakakawea (created by Garrison Dam) | 1981 |
10110101
| Lake Sakakawea | established |
37359
| ND | Morton | Heart River, at mouth, at Lake Oahe | 1981 |
10130101
| Painted Woods-Square Butte | established |
37357
| ND | Morton | Lake Oahe at mouth of Heart River | 1981 |
10130102
| Upper Lake Oahe | established |