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 |
549581
| NE | Cherry | 1 mi. W. Valentine, Site-285; T34N,R28W,Sec.36,NW1/4ofNE1/4; UTM 14T 372290E 4748687N; Upper Niobrara River | 2004 |
10150004
| Middle Niobrara | established |
1334989
| NE | Cherry | Snake River | 1963 |
10150005
| Snake | 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 |
1635313
| NE | Nemaha | Missouri River | 2014 |
10240005
| Tarkio-Wolf | unknown |
37571
| NE | Otoe | Otoe County Little Nemaha drainage | 1980 |
10240006
| Little Nemaha | collected |
1334945
| NE | Platte | Loup River at US Hwy 81/30 on S side of Columbus, at Pawnee Park | 1995 |
10210009
| Loup | established |
37570
| NE | Saunders | Salt drainage, Saunders County | 1980 |
10200203
| Salt | collected |