Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
1436899
| CA | Humboldt | 1 mi. W of intersection of Mad River Rd. and Iverson, Arcata bottoms, city of Arcata | 1979 |
18010102
| Mad-Redwood | established |
1436885
| CA | Humboldt | ca. 0.5 mi. n. Orick (Redwood Creek, n. side of Rt. 101); Redwood Creek | 1987 |
18010102
| Mad-Redwood | established |
1437104
| CA | Humboldt | Mad River at mouth of Lindsey Creek, North Bank Rd. off Hwy. 299, along Mad River | 1970 |
18010102
| Mad-Redwood | established |
1436966
| CA | Humboldt | Mad River Slough, 1 mi. W of intersection of Mad River Rd. and Iverson Rd. | 1979 |
18010102
| Mad-Redwood | established |
242519
| CA | Humboldt | Redwood Creek [2 within county] | 1987 |
18010102
| Mad-Redwood | collected |
242518
| CA | Mendocino | North Coast; ca. 9.1 air-mile north of Fort Bragg, ca. 3.9 air-mile south of Westport, ca. 0.7 air-mile northwest of Newport Cemetery. At edge of Hwy 1 | 2003 |
18010108
| Big-Navarro-Garcia | collected |
1435952
| CA | Mendocino | North Coast; ca. 9.1 air-mile north of Fort Bragg, ca. 3.9 air-mile south of Westport, ca. 0.7 air-mile northwest of Newport Cemetery. At edge of Hwy 1. | 2003 |
18010108
| Big-Navarro-Garcia | established |