This is a list of endemic species, species endemic to the San Francisco Bay Area, the nine California counties which border on San Francisco Bay. The area has a number of highly diverse, local bioregions, including San Bruno Mountain.

Flora

A

*''Acanthomintha duttonii'', common names San Mateo thornmint or Dutton's acanthomintha, found at Montara Mountain in San Mateo County, California, San Mateo County *''Amsinckia grandiflora'', common name large-flowered fiddleneck, found near the Lawrence Livermore National Laboratory in Alameda County, California, Alameda County *''Arctostaphylos bakeri'', common name Baker's manzanita, found in Sonoma County, California, Sonoma County *''Arctostaphylos densiflora'', common name Vine Hill manzanita, found on land owned and protected by the California Native Plant Society, near Sebastopol, California, Sebastopol, in Sonoma County *''Arctostaphylos hookeri'', common name Franciscan manzanita, found in The Presidio, San Francisco, in San Francisco County *''Arctostaphylos imbricata'', common name San Bruno Mountain manzanita, found on San Bruno Mountain in San Mateo County *''Arctostaphylos montaraensis'', common name Montara manzanita, found on San Bruno Mountain and Montara Mountain in San Mateo County *''Arctostaphylos pallida'', common names pallid manzanita, Oakland Hills manzanita, and Alameda manzanita, found in the eastern San Francisco Bay Area *''Arctostaphylos virgata'', common names Bolinas manzanita and Marin manzanita, found in Marin County, California, Marin CountyJepson Manual Treatment — ''Arctostaphylos virgata''
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B

*''Blennosperma bakeri'', common names Baker's stickyseed and Sonoma sunshine, found in Sonoma County

C

*''Calochortus raichei'', common names Cedars fairy-lantern and Cedars mariposa lily, found in Sonoma County *''Calochortus tiburonensis'', common name Tiburon mariposa lily, found at Ring Mountain (California), Ring Mountain in Marin County *''Carex albida'', common name white sedge, found in Sonoma County *''Ceanothus ferrisiae'', common name coyote ceanothus, found at Mount Hamilton (California), Mount Hamilton in Santa Clara County, California, Santa Clara County *''Ceanothus masonii'' *''Chorizanthe valida'' *''Clarkia imbricata'' *''Cordylanthus nidularius''

D

*''Deinandra bacigalupii'' *''Delphinium bakeri'' *''Delphinium luteum'' *''Dirca occidentalis'' *''Dudleya setchellii''

E

*''Elymus californicus'' *''Erigeron serpentinus'' *''Eriogonum cedrorum'' *''Eriogonum truncatum'' *''Eriophyllum latilobum''

H

*''Hesperolinon congestum'', common name Marin dwarf flax

I

*''Isocoma arguta''

L

*''Lessingia micradenia'' *Lilium pardalinum subsp. pitkinense, ''Lilium pardalinum'' subsp. ''pitkinense'' *''Limnanthes vinculans''

O

*Oenothera deltoides subsp. howellii, ''Oenothera deltoides'' subsp. ''howellii''

P

*''Pentachaeta bellidiflora'' *''Phacelia breweri'' *''Phacelia phacelioides'' *''Plagiobothrys strictus'' *''Poa napensis'' *''Polygonum marinense''

S

*Sidalcea hickmanii ssp. viridis, ''Sidalcea hickmanii'' ssp. ''viridis'' *''Streptanthus batrachopus'' *''Streptanthus callistus'' *''Streptanthus hispidus'' *''Streptanthus niger''

Fauna

*''Apodemia mormo langei'' *Bay checkerspot *California lizardfish *''Calosima munroei'' *Mission blue butterfly *''Porcellio formosus'' *California clapper rail, also found nominally in other locales, this bird has gotten extensive attention in the Bay Area *Salt marsh harvest mouse *San Bruno elfin butterfly *San Francisco garter snake, San Mateo and northern Santa Cruz County *''Sorex ornatus sinuosus'' *''Syncaris pacifica'' *Thicktail chub

Endangered or extinct

*Xerces blue, was found in San Francisco File:Apodemia mormo langei-02.JPG, ''Apodemia mormo langei'' File:Bay Checkerspot f1.JPG, Bay checkerspot File:Missionblue.jpg, Mission blue butterfly File:Reithrodontomys raviventris.jpg, ''Reithrodontomys raviventris'' (salt marsh harvest mouse) File:Thamnophis sirtalis tetrataenia (2005 10 16) - uitsnede.jpg, San Francisco garter snake File:Syncarispacificaone.jpg, ''Syncaris pacifica'' File:Thicktail Chub.jpg, Thicktail chub File:Xerces Blue.jpg, Xerces blue specimens

References

{{Portal, San Francisco Bay Area Lists of species by location, San Francisco Bay area Natural history of the San Francisco Bay Area, ' Fauna of the San Francisco Bay Area, ' San Francisco Bay Area-related lists, endemic species