| Scientific Name | Notes | Rarity Ranks | Common Name |
|---|---|---|---|
| Horkelia californica var. californica | CNPS-EB: A1 | California horkelia | |
| Bromus sitchensis var. maritimus | (formerly B. maritimus) | CNPS-EB: A1 | maritime brome, seaside brome grass |
| Stachys ajugoides | (var. rigida is more common) | CNPS-EB: A2 | bugle hedge nettle |