Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
115703
| CA | Kern | main drain ditch (canal) approximately 1.5 miles east I-5 | 1976 |
18030005
| Upper Deer-Upper White | collected |
115680
| CA | Riverside | Santa Rosa Plateau, Nature Conservancy Preserve, approximately 5 miles east of Temecula | 1993 |
18070302
| Santa Margarita | collected |
235833
| CA | Yolo | waterway at the University of California Arboretum, Davis | 1997 |
18020163
| Lower Sacramento | collected |