| Scientific Name | Notes | Rarity Ranks | Common Name |
|---|---|---|---|
| Leersia oryzoides | CNPS-EB: A1 | rice cutgrass | |
| Marah oregana | CNPS-EB: B | coast man-root | |
| Prunus ilicifolia subsp. ilicifolia | CNPS-EB: B | islay, holly-leafed cherry | |
| Clarkia biloba subsp. biloba | CNPS-EB: A2 | lobed godetia | |
| Trisetum canescens | CNPS-EB: A2 | tall trisetum |