Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
163928
| OR | Umatilla | Cold Springs National Wildlife Refuge | 2005 |
17070103
| Umatilla | established |
163929
| OR | Umatilla | McKay Creek National Wildlife Refuge | 2005 |
17070103
| Umatilla | established |
41427
| OR | Umatilla | McKay Reservoir, 6 miles south of Pendleton on hwy 395 | 2001 |
17070103
| Umatilla | established |
297528
| OR | Umatilla | McKay Reservoir, 6 miles south of Pendleton on hwy 395 | 2009 |
17070103
| Umatilla | established |
297534
| OR | Umatilla | McKay Reservoir, 6 miles south of Pendleton on hwy 395 | 2013 |
17070103
| Umatilla | established |