| Asclepias speciosa | (A. californica is more common | CNPS-EB: B | showy milkweed, milkweed |
| Berula erecta | | CNPS-EB: C | cutleaf water-parsnip |
| Brickellia californica | | CNPS-EB: C | California brickellbush, California brickellia |
| Festuca elmeri | | CNPS-EB: A1 | Elmer's fescue |
| Hoita macrostachya | | CNPS-EB: B | California hemp |
| Isolepis cernua | (formerly Scirpus cernuus) | CNPS-EB: C | low club-rush |
| Perideridia californica | | CNPS-EB: C | California yampah |
| Platanus racemosa | | CNPS-EB: C | 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: C | willow dock |
| Viola purpurea subsp. quercetorum | | CNPS-EB: C | mountain violet |