| Scientific Name | Notes | Rarity Ranks | Common Name |
|---|---|---|---|
| Amsinckia lunaris | CNPS-EB: *A2 State CNPS: 1B.2 | bent-flowered fiddleneck | |
| Helianthella castanea | CNPS-EB: *A2 State CNPS: 1B.2 | Diablo helianthella | |
| Viburnum ellipticum | CNPS-EB: *A2 State CNPS: 2B.3 | oval-leaved viburnum | |
| Epilobium ciliatum subsp. watsonii | (ssp. ciliatum is more common) | CNPS-EB: A1 | San Francisco willowherb |
| Eryngium aristulatum var. aristulatum | CNPS-EB: A2 | ||
| Eryngium jepsonii | CNPS-EB: *A2 State CNPS: 1B.2 | ||
| Limnanthes douglasii subsp. douglasii | CNPS-EB: A1 | meadowfoam | |
| Ranunculus orthorhynchus var. bloomeri | CNPS-EB: A1x | Bloomer's buttercup | |
| Rumex transitorius | CNPS-EB: A2 | willow dock | |
| Fraxinus latifolia | CNPS-EB: B | Oregon ash | |
| Setaria parviflora | CNPS-EB: B | knotroot bristle grass, perennial foxtail | |
| Apiastrum angustifolium | CNPS-EB: C | wild celery | |
| Apocynum cannabinum | CNPS-EB: B-PV | dogbane, Indian-hemp | |
| Carex subbracteata | CNPS-EB: B | small-bracted sedge | |
| Clarkia concinna subsp. concinna | CNPS-EB: C | large godetia | |
| Collinsia sparsiflora var. unknown | CNPS-EB: C? | few-flowered blue-eyed Mary | |
| Cyperus erythrorhizos | CNPS-EB: B | red-rooted cyperus | |
| Erigeron philadelphicus var. philadelphicus | CNPS-EB: C | fleabane | |
| Festuca californica | CNPS-EB: B-PV | California fescue | |
| Helianthella californica var. californica | CNPS-EB: B | California helianthella | |
| Lathyrus jepsonii var. californicus | CNPS-EB: B | buff pea | |
| Layia hieracioides | CNPS-EB: B-PV | tall layia | |
| Pentachaeta alsinoides | CNPS-EB: B-PV | tiny pentachaeta | |
| Populus trichocarpa | (formerly P. balsamifera var. | CNPS-EB: C | black cottonwood |
| Prunus subcordata | CNPS-EB: C | Pacific plum, Sierra plum | |
| Quercus lobata | CNPS-EB: B-PV | valley oak, roble | |
| Rhus aromatica | (formerly R. trilobata) | CNPS-EB: B-PV | skunk bush, skunkbrush, squawbush |
| Senecio aronicoides | CNPS-EB: B-PV | rayless ragwort, California butterweed | |
| Stipa lepida | CNPS-EB: B-PV | foothill needlegrass | |
| Stipa pulchra | CNPS-EB: B-PV | purple needlegrass | |
| Trifolium fucatum | CNPS-EB: B-PV | bull clover |