| Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
|
28899
| CA | | Sacramento drainage | 1874 |
18020000
| Upper Sacramento | failed |
|
28902
| CA | | Sacramento drainage | 1940 |
18020000
| Upper Sacramento | established |
|
28526
| CA | Lassen | Pit River near Bieber | 1974 |
18020002
| Upper Pit | established |
|
28565
| CA | Modoc | Big Sage Reservoir | 1973 |
18020002
| Upper Pit | established |
|
267170
| CA | Modoc | Pit River drainage | 1978 |
18020002
| Upper Pit | established |
|
1874241
| CA | Shasta | [No locality description provided; coordinates obscured by collector] | 2017 |
18020003
| Lower Pit | |
|
28564
| CA | Shasta | Britton Lake | 1972 |
18020003
| Lower Pit | established |
|
28887
| CA | Shasta/Modoc | Pit River drainage | 1976 |
18020000
| Upper Sacramento | established |
|
41283
| OR | Lake | Drews Reservoir, 15 miles west of Lakeview, south of hwy 140. | 2001 |
18020001
| Goose Lake | unknown |
|
296758
| OR | Lake | Drews Reservoir, 15 miles west of Lakeview, south of hwy 140. | 2009 |
18020001
| Goose Lake | established |
|
296764
| OR | Lake | Drews Reservoir, 15 miles west of Lakeview, south of hwy 140. | 2013 |
18020001
| Goose Lake | established |