Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
1256648
| CA | Ventura | North Fork Matilija Creek approximately 200m upstream from confluence of Matilija and North Fork Matilija Creeks | 2016 |
18070101
| Ventura | established |
1256650
| CA | Ventura | North Fork Matilija Creek at USGS stream gauge 11116000 | 2016 |
18070101
| Ventura | established |
1256649
| CA | Ventura | North Fork Matilija Creek, just upstream from Mosler Rock Quarry | 2016 |
18070101
| Ventura | established |
1399876
| CA | Ventura | Ventura River, approximately a quarter mile upstream of the Robles Diversion | 2017 |
18070101
| Ventura | unknown |
1322993
| CA | Ventura | Ventura River, mainstem | 2016 |
18070101
| Ventura | established |