| Scientific Name | Notes | Rarity Ranks | Common Name |
|---|---|---|---|
| Alisma triviale | (formerly A. plantago-aquatica | CNPS-EB: C | water plantain |
| Amsinckia eastwoodiae | CNPS-EB: A2 | Eastwood's fiddleneck | |
| Castilleja wightii | CNPS-EB: B | Wight's indian paintbrush | |
| Muilla maritima | CNPS-EB: B | common muilla | |
| Persicaria hydropiperoides | (formerly Polygonum h.) | CNPS-EB: A2 | false waterpepper, water-pepper |
| Plagiobothrys canescens var. canescens | CNPS-EB: C | valley popcornflower | |
| Platanus racemosa | CNPS-EB: C | western sycamore, California sycamore |