Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
240504
| NE | Brown | Ainsworth Canal in north-central NE | 2005 |
10150004
| Middle Niobrara | established |
549580
| NE | Buffalo | 0.5 mi. E. Ravenna, Site-77; T12N,R14W,Sec.9,NE1/4 of SE1/4; UTM 14T 508737E 4541428N; Loup | 2005 |
10210004
| South Loup | established |
549583
| NE | Holt | 1 mi. S. Emmet, Site-288; T29N,R13W,Sec.23,SW1/4 of SW1/4; UTM 14T 515447E 4701529N; Elkhorn | 2005 |
10220001
| Upper Elkhorn | established |
549582
| NE | Holt | 3 mi. S. Ewing, Site-313A; T26N,R9W,Sec.23,SW1/4 of NW1/4; UTM 14T 554673E 4673505N; Elkhorn | 2005 |
10220001
| Upper Elkhorn | established |