Plant Species of Concern
- Adobe Lily, Fritillaria pluriflora
- Ahart's Rush, Juncus leiospemzus var.ahartii
- Ahart's Whitlow-wort, Paronychis ahartii
- Antioch dunes Evening-Primrose, OenotherQ deltoids ssp. Howellii (SE, FE)
- Beach Layia, Layia canosa Picture
- Bearded Allocarya, Plagiobothrys hystriculus
- Bearded Popcorn Flower, Plagiobothrys hystriculus
- Boggs Lake Hedge-hyssop, Gratiola heterosepala (SE, FC)
- Brewer's Dwarf-flax, Hesperolinon breweri
- Butte County Meadowfoam, Limnanthespoccosa ssp. California
- California Hibiscus, Hibiscus califomicus More Information...
- Caper-fruited Tropidocarpum, Tropidocarpum capparideum
- Colusa Grass, Neostapfia colusana (SE, FC)
- Contra Costa Buckwheat, Eriogonum tuncatum
- Contra Costa Goldfields, Lasrhenia conjugens
- Contra Costa Wallflower, Erysimum capitatum var.angustafum (SE, FE)
- Crampton's Tuctoria, Tuctoria mucronata (SE, FE)
- Delta Coyote-thistle, Eryngium racemosum (SE, FC)
- Delta Tule-pea, Lathyrus jepsonii ssp.jepsonii
- Diablo Rock-rose, HelianthelEa castanada
- Diamond-petaled Poppy, EschschoEzia rhombipetala
- Dudley's Lousewort, Pedicularis dudEeyi (SR)
- Fragrant Fritillary, Fritillaria Eiliacea
- Gairdner's Yampah, Perideridia gairdneri ssp. Gairdneri
- Green's Tuctoria, Tuctoria greenei (SR, FC)
- Hairless Allocarya, plagiobothrys glaber
- Hartweg's Golden Sunburst, Pseudobahia bahiifolia
- Heartscale, Atriplex cordulata Pictures
- Hinds' Walnut, Juglans hindsii
- Hispid Bird's-beak, Cordylanthus mollis ssp. Hispidus
- Large-flowered Fiddleneck, Amsinckia grandiflora
- Legenere, Legenere limosa
- Marin Knotweed, Polygonum marinense
- Mason's Lilaeopsis, Lilaeopsis masonii (SR, FC)
- Northcoast Bird's-Beak, Cordylanthus maritimus ssp. Palustris
- Palmate-bracted Bird's-beak, Cordylanthus palmatus
- Recurved Larkspur, Delphinium recurvatum
- Sacramento Orcutt Grass, Orcuttia viscida (SE, FC)
- Sacramento Valley Milk-vetch, Astragalus tener var. ferrisae
- San Francisco Gumplant, Findelia maritime
- Shippee Meadowfoam, Limnanthes occosa spp California (SE, FC)
- Showy Indian Clover, Trifolium amoenum
- Slender Orcutt Grass, Orcuttida tenuis (SE, FC)
- Slough Thistle, Cirsium crassicaule
- Soft Bird's-beak, Cordylanthus mollis ssp.mollis (SR, FC)
- Solano Grass, Tuctoria mucronata
- Sonoma Alopecurus, Alopecuras aequalis var.sonomensis
- Suisun Aster, Aster chilensis var lentus
- Swamp Sandwort, Arenaria paludicola
- Valley Sagittaria, Sagittaria sanfordii
- Valley Spearscale, Atriplex joaquiniana Picture
- Veiny Monardella, Monardella douglasii var. venosa
- Wedge-leaved Horkelia, Horkelia cuneata ssp. Jepsonii