| Specimen ID | Common Name | State | County | Locality | Year |
| Drainage name | Status |
|
1437750
| floating primrose-willow | CA | Napa | Lake Hennessey shoreline at Sage Creek overflow, s. of Hwy 128 and east of main lake body. | 2005 |
18050002
| San Pablo Bay | established |
|
1437477
| floating primrose-willow | CA | Napa | Lake Hennessey where reservoir overflow backs up into confluence with Sage Creek south of Hwy 128. | 2006 |
18050002
| San Pablo Bay | established |
|
1436842
| floating primrose-willow | CA | Napa | Roadside drain along Solano Ave west of Hwy 29 between Vinters Golf Club and Hoffman Lane crossing, Yountville, CA. | 2007 |
18050002
| San Pablo Bay | established |
|
1634034
| floating primrose-willow | CA | Sonoma | Tolay Lake Regional Park | 2019 |
18050002
| San Pablo Bay | established |