| Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
|
620607
| CA | Humboldt | Dilapidated Dock Area | 2006 |
18010102
| Mad-Redwood | established |
|
620604
| CA | Humboldt | Eureka Boat Launch | 2006 |
18010102
| Mad-Redwood | established |
|
620606
| CA | Humboldt | Giant Fisherman | 2006 |
18010102
| Mad-Redwood | established |
|
620605
| CA | Humboldt | Humboldt Chevron Pier | 2006 |
18010102
| Mad-Redwood | established |
|
620617
| CA | Humboldt | Most Exposed Site/Channel Marker | 2006 |
18010102
| Mad-Redwood | established |
|
620647
| CA | Humboldt | North Bay Channel HB, St. 35 | 2000 |
18010102
| Mad-Redwood | established |
|
272651
| CA | Humboldt | North Bay Channel HB, St. 35, Eureka Slough. | 2001 |
18010102
| Mad-Redwood | established |
|
620613
| CA | Humboldt | The Log Ride | 2006 |
18010102
| Mad-Redwood | established |
|
620619
| CA | Humboldt | Wooden Structure Debris | 2006 |
18010102
| Mad-Redwood | established |