Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
36124
| MO | McDonald | Elk River in extreme SW Missouri | 1960 |
11070208
| Elk | established |
40288
| OK | Delaware | Buffalo Creek, just above its confluence with the Elk RIver, Delaware County | 1955 |
11070208
| Elk | established |
40287
| OK | Delaware | Elk River at the mouth of Buffalo Creek, Delaware County, 1 mile west of the Oklahoma, Missouri state line | 1954 |
11070208
| Elk | established |