| Scientific Name | Notes | Rarity Ranks | Common Name |
|---|---|---|---|
| Festuca elmeri | CNPS-EB: A2 | Elmer's fescue | |
| Asclepias speciosa | (A. californica is more common | CNPS-EB: B | showy milkweed, milkweed |
| Berula erecta | CNPS-EB: C | cutleaf water-parsnip | |
| Erythranthe cardinalis | (formerly Mimulus c.) | CNPS-EB: B-PV | scarlet monkeyflower |
| Hoita macrostachya | CNPS-EB: C | California hemp | |
| Perideridia californica | CNPS-EB: B-PV | California yampah | |
| Platanus racemosa | CNPS-EB: B-PV | western sycamore, California sycamore | |
| Populus trichocarpa | (formerly P. balsamifera var. | CNPS-EB: C | black cottonwood |
| Pseudognaphalium beneolens | (formerly Gnaphalium canescens | CNPS-EB: C | fragrant everlasting |
| Rumex californicus | (formerly R. salicifolius var. dentatus) | CNPS-EB: B-PV | willow dock |
| Viola purpurea subsp. quercetorum | CNPS-EB: C | mountain violet |