Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
275313
| CA | Humboldt | Big Lagoon | 2008 |
18010102
| Mad-Redwood | established |
256699
| CA | Humboldt | Big Lagoon [~7 mi N of Trinidad] | 2008 |
18010102
| Mad-Redwood | unknown |
903003
| CA | Humboldt | College Creek at Humboldt State University | 2015 |
18010102
| Mad-Redwood | unknown |
1695807
| CA | Humboldt | Freshwater Creek | 2022 |
18010102
| Mad-Redwood | established |
1333509
| CA | Humboldt | Freshwater Lagoon | 2016 |
18010102
| Mad-Redwood | unknown |
256684
| CA | Humboldt | Freshwater Lagoon [just S of Orick] | 2008 |
18010102
| Mad-Redwood | unknown |
1724182
| CA | Humboldt | Jacoby Creek | 2023 |
18010102
| Mad-Redwood | |
1655240
| CA | Humboldt | Mad River at mouth of Lindsay Creek | 2020 |
18010102
| Mad-Redwood | established |
1657398
| CA | Humboldt | Mad River at mouth of Lindsay Creek | 2020 |
18010102
| Mad-Redwood | established |
1703901
| CA | Humboldt | Mad River Boat Ramp | 2022 |
18010102
| Mad-Redwood | established |
1695284
| CA | Humboldt | Mad River, Mad River County Park Boat Ramp | 2021 |
18010102
| Mad-Redwood | established |
1522560
| CA | Humboldt | Mad River, upstream side of County Boat Ramp apron near mouth | 2018 |
18010102
| Mad-Redwood | established |
1657396
| CA | Humboldt | Mad River, upstream side of County Boat Ramp apron near mouth | 2020 |
18010102
| Mad-Redwood | established |
270568
| CA | Humboldt | Redwood Creek estuary in main channel along south levy and in south slough, Redwood National Park | 2010 |
18010102
| Mad-Redwood | established |
1447323
| CA | Humboldt | Redwood Creek in Redwood National Park, CA | 2011 |
18010102
| Mad-Redwood | established |
903004
| CA | Humboldt | Redwood Creek near Redwood National Park Visitor Center | 2015 |
18010102
| Mad-Redwood | unknown |
1695287
| CA | Humboldt | Redwood Creek, Thomas H. Kuchel Visitor Center | 2021 |
18010102
| Mad-Redwood | established |
290711
| CA | Humboldt | Stone Lagoon, along shoreline | 2011 |
18010102
| Mad-Redwood | established |
1695286
| CA | Humboldt | Stone Lagoon, Stone Lagoon Visitor Center | 2021 |
18010102
| Mad-Redwood | established |
1703902
| CA | Humboldt | West Gannon Slough | 2022 |
18010102
| Mad-Redwood | established |