Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
862371
| CA | Sacramento | Elder Creek, adjacent to BT Collins USAR Center | 2015 |
18020163
| Lower Sacramento | established |
115908
| CA | Yolo | ponds at the University of California Arboretum, Davis | 1997 |
18020163
| Lower Sacramento | established |
115909
| CA | Yolo | waterway at the University of California Arboretum, Davis | 1997 |
18020163
| Lower Sacramento | established |
235845
| CA | Yolo | waterway at the University of California Arboretum, Davis | 2003 |
18020163
| Lower Sacramento | established |