Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
746237
| CA | Los Angeles | Catalina Island, Haypress Reservoir, along highway 2 miles (airline) WNW Avalon | 1975 |
18070107
| San Pedro Channel Islands | established |
611148
| CA | Los Angeles | Catalina Island, Haypress Reservoir, along highway 2 miles (airline) WNW Avalon | 1975 |
18070107
| San Pedro Channel Islands | established |
611147
| CA | Los Angeles | Santa Catalina Island; Middle Ranch Canyon, Thompson Reservoir | 2011 |
18070107
| San Pedro Channel Islands | established |