Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
620944
| CA | Humboldt | Eureka Slough, Upper | 2000 |
18010102
| Mad-Redwood | established |
272665
| CA | Humboldt | Eureka Slough, upper, Arcata Bay. | 2001 |
18010102
| Mad-Redwood | established |
1464625
| CA | Humboldt | Gravel pits near Mad River | 2015 |
18010102
| Mad-Redwood | established |
271923
| CA | Humboldt | Mad River backwater area downstream of Hwy 101 | 2010 |
18010102
| Mad-Redwood | established |
272667
| CA | Humboldt | Mad River, backwater area on the north side 200 meters west of Highway 101 bridge | 2010 |
18010102
| Mad-Redwood | established |