| Scientific Name | Notes | Rarity Ranks | Common Name |
|---|---|---|---|
| Alisma triviale | (formerly A. plantago-aquatica | CNPS-EB: C | water plantain |
| Arbutus menziesii | CNPS-EB: C | Pacific madrone | |
| Clematis ligusticifolia | CNPS-EB: C | western virgin's bower, virgin's bower | |
| Erigeron philadelphicus var. philadelphicus | CNPS-EB: C | fleabane | |
| Persicaria punctata | (formerly Polygonum punctatum) | CNPS-EB: C | water smartweed |
| Platanus racemosa | CNPS-EB: C | western sycamore, California sycamore | |
| Scirpus microcarpus | CNPS-EB: C | small-fruited bulrush | |
| Trisetum canescens | CNPS-EB: A2 | tall trisetum | |
| Cyperus niger | CNPS-EB: A2 | black sedge |