| Scientific Name | Notes | Rarity Ranks | Common Name |
|---|---|---|---|
| Amsinckia lunaris | CNPS-EB: *A2 State CNPS: 1B.2 Global Rank: G3 CNDDB Rank: S3 | bent-flowered fiddleneck | |
| Aphyllon vallicola | CNPS-EB: B | California broom-rape | |
| Arctostaphylos crustacea subsp. crustacea | CNPS-EB: C | brittleleaf manzanita | |
| Clarkia concinna subsp. concinna | CNPS-EB: C | large godetia | |
| Helianthella castanea | CNPS-EB: *A2 State CNPS: 1B.2 Global Rank: G2 CNDDB Rank: S2 | Diablo helianthella | |
| Leptosiphon pygmaeus subsp. continentalis | (formerly Linanthus p. ssp. c. | CNPS-EB: B | pygmy linanthus, pygmy leptosiphon |
| Malacothrix floccifera | CNPS-EB: C | woolly malacothrix | |
| Melica californica | CNPS-EB: C | California melic | |
| Senecio aronicoides | CNPS-EB: C | rayless ragwort, California butterweed | |
| Amsinckia lycopsoides | CNPS-EB: C | bugloss-flowered fiddleneck, bugloss fiddleneck | |
| Arctostaphylos glandulosa subsp. glandulosa | CNPS-EB: B | Eastwood manzanita | |
| Calamagrostis rubescens | CNPS-EB: B | pine reed grass, pine grass | |
| Camissoniopsis intermedia | CNPS-EB: C | small primrose | |
| Clarkia biloba subsp. biloba | CNPS-EB: A2 | lobed godetia | |
| Festuca californica | CNPS-EB: C | California fescue | |
| Koeleria macrantha | CNPS-EB: C | june grass | |
| Lathyrus jepsonii var. californicus | CNPS-EB: B | buff pea | |
| Prunus subcordata | CNPS-EB: C | Pacific plum, Sierra plum | |
| Quercus wislizeni var. frutescens | CNPS-EB: C | shrubby interior live oak | |
| Rhus aromatica | (formerly R. trilobata) | CNPS-EB: C | skunk bush, skunkbrush, squawbush |
| Sidalcea diploscypha | CNPS-EB: A1 | fringed checkerbloom, fringed sidalcea | |
| Stellaria nitens | CNPS-EB: C | shining chickweed | |
| Stipa cernua | CNPS-EB: C | nodding needlegrass | |
| Stipa lepida | CNPS-EB: C | foothill needlegrass | |
| Stipa pulchra | CNPS-EB: C | purple needlegrass | |
| Trifolium wormskioldii | CNPS-EB: A1 | cow clover | |
| Wyethia glabra | (W. helenioides is more common | CNPS-EB: C | mule ears |