| Agoseris retrorsa | | CNPS-EB: A2 | spear-leaved agoseris |
| Alisma triviale | (formerly A. plantago-aquatica | CNPS-EB: C | water plantain |
| Asclepias speciosa | (A. californica is more common | CNPS-EB: B | showy milkweed, milkweed |
| Corallorhiza striata | (C. maculata is more common) | CNPS-EB: A1x | striped coralroot |
| Eriophyllum lanatum var. achilleoides | | CNPS-EB: C | woolly sunflower |
| Hemizonia congesta subsp. lutescens | | CNPS-EB: B | hayfield tarweed |
| Ligusticum apiifolium | | CNPS-EB: A2 | Pacific lovage |
| Prunus emarginata | | CNPS-EB: C | bitter cherry |
| Rumex fueginus | | CNPS-EB: A2 | golden dock |
| Sagittaria latifolia | | CNPS-EB: A1 | arrowhead |