Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
37417
| NE | Sioux | Hat Creek | 1974 |
10120108
| Hat | established |
614254
| NE | Sioux | Hat Creek, NRE 41; T32N,R55W,Sec.3,SW1/4; Hat Creek | 1995 |
10120108
| Hat | established |
546885
| NE | Sioux | Middle Loup River | 1992 |
10120108
| Hat | established |
546889
| NE | Sioux | Missouri River | 1987 |
10120108
| Hat | established |
546945
| NE | Sioux | Niobrara River | 1995 |
10120108
| Hat | established |
546888
| NE | Sioux | Republican River | 1987 |
10120108
| Hat | established |
546890
| NE | Sioux | Republican River | 1987 |
10120108
| Hat | established |
546927
| NE | Sioux | Sowbelly Creek, 5nw Harrison | 1973 |
10120108
| Hat | established |
546923
| NE | Sioux | West Hat Creek, 4w 3n Harrison | 1973 |
10120108
| Hat | established |