Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
1440722
| CA | Sacramento | Cosumnes River Preserve Plant Inventory. | 1993 |
18040013
| Upper Cosumnes | established |
1436201
| CA | Sacramento | Cosumnes River Preserve. Area 14: Oak Island. Bordered by small slough on N, fenceline and road on W, slough on E. | 1993 |
18040013
| Upper Cosumnes | established |
1436388
| CA | Sacramento | Cosumnes River Preserve. Area 16: Tall Forest North. Bordered by active ag field on N, sloughs on W and S, and an ag field on E. | 1993 |
18040013
| Upper Cosumnes | established |