Don Castro Reservoir
Region: Hayward HillsKey
| Scientific Name | Notes | Rarity Ranks | Common Name |
|---|---|---|---|
| Trisetum canescens | CNPS-EB: A2 | tall trisetum | |
| Cyperus niger | CNPS-EB: A2 | black sedge | |
| Alisma triviale | (formerly A. plantago-aquatica | CNPS-EB: C | water plantain |
| Arbutus menziesii | CNPS-EB: B-PV | Pacific madrone | |
| Clematis ligusticifolia | CNPS-EB: C | western virgin's bower, virgin's bower | |
| Erigeron philadelphicus var. philadelphicus | CNPS-EB: C | fleabane | |
| Erythranthe cardinalis | (formerly Mimulus c.) | CNPS-EB: B-PV | scarlet monkeyflower |
| Persicaria punctata | (formerly Polygonum punctatum) | CNPS-EB: C | water smartweed |
| Platanus racemosa | CNPS-EB: B-PV | western sycamore, California sycamore |
