Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
257257
| CA | Contra Costa | Sand Mound Slough, about 1.3 miles southwest of Franks Tract | 1998 |
18040003
| San Joaquin Delta | established |
257256
| CA | Sacramento | Sacramento/San Joaquin River Delta, Kimball Island, just of Sherman Island, restoring wetland. | 1998 |
18020163
| Lower Sacramento | established |
257253
| CA | San Joaquin | San Joaquin River Delta, lower Manderville Island tip, restoring wetland. | 1998 |
18040003
| San Joaquin Delta | established |
257255
| CA | San Joaquin | San Joaquin River Delta, Mildred Island, restoring wetland. | 1998 |
18040003
| San Joaquin Delta | established |
257258
| CA | San Joaquin | San Joaquin River Delta, upper Mandeville Island tip, natural wetland. | 1998 |
18040003
| San Joaquin Delta | established |
257259
| CA | San Joaquin | San Joaquin River Delta, Venice Cut, southeastern end of Venice Island, restoring wetland. | 1998 |
18040003
| San Joaquin Delta | established |