| Scientific Name | Common Name | Local Rank |
|---|---|---|
| Eremalche exilis | white mallow | A1 |
| Eremalche parryi subsp. parryi | Parry's mallow | A1 |
| Fremontodendron californicum | flannelbush | A1 |
| Hibiscus lasiocarpos var. occidentalis | rose-mallow | *A2 |
| Malacothamnus arcuatus var. elmeri | Hall's bush-mallow | *A2 |
| Sidalcea diploscypha | fringed checkerbloom, fringed sidalcea | A2 |