Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
213346
| CA | | San Francisco Bay area | 1985 |
18050004
| San Francisco Bay | established |
1436969
| CA | Alameda | Merritt College in Oakland Hills, weedy area behind propagation area for California Native Plant Society; local colony, persisting in spite of repeated eradication efforts, | 2001 |
18050004
| San Francisco Bay | established |
1436628
| CA | San Mateo | Brisbane; San Bruno Mountain County Park; Colma Creek 10 meters upstream from Guadalupe Trail | 2010 |
18050004
| San Francisco Bay | established |