Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
1440988
| CA | Los Angeles | Cape Canyon, Santa Catalina Island | 1965 |
18070107
| San Pedro Channel Islands | established |
1441358
| CA | Los Angeles | Cape Canyon, Santa Catalina Island | 1965 |
18070107
| San Pedro Channel Islands | established |
1440991
| CA | Los Angeles | Cottonwood Cyn, 0.25 mi upstream from ocean | 1962 |
18070107
| San Pedro Channel Islands | established |
1441745
| CA | Los Angeles | Empire Landing, Santa Catalina Island. | 1928 |
18070107
| San Pedro Channel Islands | established |
1441600
| CA | Los Angeles | Middle Ranch Canyon Santa Catalina Island | 1931 |
18070107
| San Pedro Channel Islands | established |
1441560
| CA | Los Angeles | Middle Ranch Canyon Santa Catalina Island (near bridge on Lower Road to Isthmus); , Middle Ranch Canyon | 1932 |
18070107
| San Pedro Channel Islands | established |
1441378
| CA | Los Angeles | Middle Ranch Canyon, near bridge on lower road to Isthmus, Santa Catalina Island | 1932 |
18070107
| San Pedro Channel Islands | established |
1441561
| CA | Los Angeles | Middle Ranch Dam, Middle Ranch Cyn | 1931 |
18070107
| San Pedro Channel Islands | established |
1441153
| CA | Los Angeles | Santa Catalina Island, Cottonwood Creek. | 1975 |
18070107
| San Pedro Channel Islands | established |
1439698
| CA | Los Angeles | Santa Catalina Island: Lower Middle Canyon | 1987 |
18070107
| San Pedro Channel Islands | established |
1440234
| CA | Los Angeles | Santa Catalina Island: Middle Ranch Reservoir | 1998 |
18070107
| San Pedro Channel Islands | established |
1440525
| CA | Ventura | San Nicolas Island, NW side of island, in Tule Creek at Humphrey Sump. | 1995 |
18070107
| San Pedro Channel Islands | established |
1440745
| CA | Ventura | Thousand Springs, San Nicolas Island | 1983 |
18070107
| San Pedro Channel Islands | established |