Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
281407
| OR | Clackamas | Sandy River, at mouth of Cedar Creek. | 1956 |
17080001
| Lower Columbia-Sandy | unknown |
40429
| OR | Clatsop | Kullaby Lake (Culleby), SW of Astoria near coast | 1889 |
17080006
| Lower Columbia | failed |
40427
| OR | Klamath | Klamath Lake near Linkville, at the southern end of the lake | 1889 |
18010203
| Upper Klamath Lake | failed |
40431
| OR | Multnomah | Laddis Lake | 1889 |
17000000
| Pacific Northwest | failed |
40430
| OR | Wasco | Chetaw Lake | 1889 |
17070000
| Middle Columbia | failed |