| Scientific Name | Notes | Rarity Ranks | Common Name |
|---|---|---|---|
| Amelanchier utahensis | CNPS-EB: C | Utah service-berry | |
| Aralia californica | CNPS-EB: C | elk clover | |
| Arbutus menziesii | CNPS-EB: B | Pacific madrone | |
| Arctostaphylos crustacea subsp. crustacea | CNPS-EB: C | brittleleaf manzanita | |
| Arctostaphylos pallida | CNPS-EB: *A2 State CNPS: 1B.1 Global Rank: G1 CNDDB Rank: S1 FESA Status: FT CESA Status: CE | pallid manzanita | |
| Calochortus umbellatus | CNPS-EB: *A2 State CNPS: 4.2 Global Rank: G3? CNDDB Rank: S3? | Oakland star-tulip | |
| Calycadenia multiglandulosa | CNPS-EB: A2 | sticky calycadenia | |
| Chrysolepis chrysophylla var. minor | CNPS-EB: A2 | golden chinquapin | |
| Clarkia franciscana | CNPS-EB: *A1 State CNPS: 1B.1 Global Rank: G1 CNDDB Rank: S1 FESA Status: FE CESA Status: CE | Presidio clarkia | |
| Delphinium nudicaule | CNPS-EB: C | red larkspur, orange larkspur | |
| Dirca occidentalis | CNPS-EB: *A2 State CNPS: 1B.2 Global Rank: G2 CNDDB Rank: S2 | western leatherwood | |
| Eriogonum gracile var. gracile | CNPS-EB: C | slender woolly wild buckwheat, slender buckwheat | |
| Eriogonum luteolum var. caninum | CNPS-EB: *A2 State CNPS: 1B.2 Global Rank: G5T2 CNDDB Rank: S2 | Tiburon buckwheat | |
| Garrya elliptica | CNPS-EB: B | silk tassel bush | |
| Gutierrezia californica | CNPS-EB: C | California matchweed | |
| Melica californica | CNPS-EB: C | California melic | |
| Polypodium scouleri | CNPS-EB: A1 | leather-leaf fern | |
| Quercus garryana var. garryana | CNPS-EB: B | Oregon oak | |
| Quercus parvula var. shrevei | CNPS-EB: A1 | island scrub oak | |
| Sambucus racemosa var. racemosa | CNPS-EB: B | red elderberry | |
| Sequoia sempervirens | CNPS-EB: C | coast redwood | |
| Streptanthus albidus subsp. peramoenus | CNPS-EB: *A2 State CNPS: 1B.2 Global Rank: G2T2 CNDDB Rank: S2 | most beautiful jewel-flower | |
| Vaccinium ovatum | CNPS-EB: C | California huckleberry | |
| Apiastrum angustifolium | CNPS-EB: C | wild celery | |
| Asarum caudatum | CNPS-EB: B | wild-ginger | |
| Carex leptopoda | (formerly Carex deweyana subsp leptopoda | CNPS-EB: A2 | slender-footed sedge, short-scaled sedge |
| Carex obnupta | CNPS-EB: B | slough sedge | |
| Castilleja exserta subsp. latifolia | CNPS-EB: A1 | owl's-clover | |
| Castilleja subinclusa subsp. franciscana | CNPS-EB: A1 | Franciscan indian paintbrush | |
| Castilleja wightii | CNPS-EB: B | Wight's indian paintbrush | |
| Cirsium quercetorum | CNPS-EB: A2 | brownie thistle | |
| Deschampsia elongata | CNPS-EB: C | slender hair grass | |
| Erythranthe microphylla | CNPS-EB: A1x | ||
| Gilia capitata subsp. unknown | CNPS-EB: A1? | blue field gilia | |
| Heterotheca sessiliflora subsp. bolanderi | (H. s. ssp. echioides is more | CNPS-EB: C | Bolander goldenaster |
| Layia gaillardioides | CNPS-EB: A2 | woodland layia | |
| Leptosyne stillmanii | (formerly Coreopsis s.) | CNPS-EB: A1x | Stillman's coreopsis |
| Lilium pardalinum subsp. pardalinum | CNPS-EB: A1 | leopard lily | |
| Monardella douglasii | CNPS-EB: A2 | fenestra monardella, Fenestra monardella | |
| Myriopteris gracillima | CNPS-EB: A1 | lace fern | |
| Oxalis oregana | CNPS-EB: A1 | redwood sorrel | |
| Oxalis pilosa | (formerly O. albicans ssp. p.) | CNPS-EB: B | hairy wood-sorrel |
| Piperia elongata | CNPS-EB: C | chaparral orchid, wood rein-orchid, elongate piperia | |
| Populus trichocarpa | (formerly P. balsamifera var. | CNPS-EB: C | black cottonwood |
| Scirpus microcarpus | CNPS-EB: C | small-fruited bulrush | |
| Trifolium macraei | CNPS-EB: A1 | Macrae's clover, double-headed clover |