Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
257769
| OR | | state non-specific | 2008 |
17000000
| Pacific Northwest Region | collected |
1670926
| OR | Clatsop | [No locality description provided] | 2016 |
17080006
| Lower Columbia | |
1671050
| OR | Clatsop | [No locality description provided] | 2016 |
17080006
| Lower Columbia | |
1671199
| OR | Clatsop | [No locality description provided] | 2017 |
17080006
| Lower Columbia | |
1672257
| OR | Clatsop | [No locality description provided] | 2019 |
17080006
| Lower Columbia | |
1673307
| OR | Clatsop | [No locality description provided] | 2019 |
17080006
| Lower Columbia | |
859876
| OR | Clatsop | Astoria | 1929 |
17080006
| Lower Columbia | established |
859874
| OR | Clatsop | Cathlamet Bay | 1982 |
17080006
| Lower Columbia | established |
859873
| OR | Clatsop | Warrenton | 1990 |
17080006
| Lower Columbia | established |
1468810
| OR | Harney | Stinkingwater Mountains; along US Hwy 20 ca. 2.7 miles NE of Buchanan | 2014 |
17120001
| Harney-Malheur Lakes | established |
1468815
| OR | Malheur | confluence of West Little Owyhee river and main Owyhee river. Upstream 3/4 mi. on the W.L. Owyhee. | 2002 |
17050107
| Middle Owyhee | established |
859872
| OR | Malheur | Twin Springs | 2004 |
17050110
| Lower Owyhee | established |
859875
| OR | Morrow | Paterson | 2001 |
17070101
| Middle Columbia-Lake Wallula | established |