Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
1709073
| CA | Humboldt | [No locality description provided] | 2022 |
18010102
| Mad-Redwood | |
1709217
| CA | Humboldt | [No locality description provided] | 2022 |
18010102
| Mad-Redwood | |
235718
| CA | Humboldt | Freshwater Lagoon, south end of Redwood National & State Park, at base of boat launch ramp | 2004 |
18010102
| Mad-Redwood | established |
259323
| CA | Sonoma | Fairfield Osborn Preserve | 2001 |
18010110
| Russian | established |
1439723
| CA | Sonoma | Fairfield Osborn Preserve North Coast Biodiversity Arena; Rohnert Park, E on Roberts Rd. to E on Lichau Rd. 3.8 miles. | 2001 |
18010110
| Russian | established |