| Acanthomintha ilicifolia |
San Diego thornmint |
8 |
Threatened |
Wherever found |
| Acanthomintha obovata ssp. duttonii |
San Mateo thornmint |
8 |
Endangered |
Wherever found |
| Acmispon dendroideus var. traskiae (=Lotus d. ssp. traskiae) |
San Clemente Island lotus (=broom) |
8 |
Threatened |
Wherever found |
| Allium munzii |
Munz's onion |
8 |
Endangered |
Wherever found |
| Alopecurus aequalis var. sonomensis |
Sonoma alopecurus |
8 |
Endangered |
Wherever found |
| Ambrosia pumila |
San Diego ambrosia |
8 |
Endangered |
Wherever found |
| Ambrysus amargosus |
Ash Meadows naucorid |
8 |
Threatened |
Wherever found |
| Ambystoma californiense |
California tiger Salamander |
8 |
Endangered |
U.S.A. (CA - Santa Barbara County) |
| Ambystoma californiense |
California tiger Salamander |
8 |
Endangered |
U.S.A. (CA - Sonoma County) |
| Ambystoma californiense |
California tiger Salamander |
8 |
Threatened |
U.S.A. (CA - Central California) |
| Ambystoma macrodactylum croceum |
Santa Cruz long-toed salamander |
8 |
Endangered |
Wherever found |
| Amphispiza belli clementeae |
San Clemente sage sparrow |
8 |
Threatened |
Wherever found |
| Amsinckia grandiflora |
Large-flowered fiddleneck |
8 |
Endangered |
Wherever found |
| Anaxyrus californicus |
Arroyo (=arroyo southwestern) toad |
8 |
Endangered |
Wherever found |
| Anaxyrus canorus |
Yosemite toad |
8 |
Threatened |
Wherever found |
| Aplodontia rufa nigra |
Point Arena mountain beaver |
8 |
Endangered |
Wherever found |
| Apodemia mormo langei |
Lange's metalmark butterfly |
8 |
Endangered |
Wherever found |
| Arabis hoffmannii |
Hoffmann's rock-cress |
8 |
Endangered |
Wherever found |
| Arabis macdonaldiana |
McDonald's rock-cress |
8 |
Endangered |
Wherever found |
| Arctostaphylos confertiflora |
Santa Rosa Island manzanita |
8 |
Endangered |
Wherever found |
| Arctostaphylos franciscana |
Franciscan manzanita |
8 |
Endangered |
Wherever found |
| Arctostaphylos glandulosa ssp. crassifolia |
Del Mar manzanita |
8 |
Endangered |
Wherever found |
| Arctostaphylos hookeri var. ravenii |
Presidio Manzanita |
8 |
Endangered |
Wherever found |
| Arctostaphylos morroensis |
Morro manzanita |
8 |
Threatened |
Wherever found |
| Arctostaphylos myrtifolia |
Ione manzanita |
8 |
Threatened |
Wherever found |
| Arctostaphylos pallida |
Pallid manzanita |
8 |
Threatened |
Wherever found |
| Arenaria paludicola |
Marsh Sandwort |
8 |
Endangered |
Wherever found |
| Arenaria ursina |
Bear Valley sandwort |
8 |
Threatened |
Wherever found |
| Astragalus albens |
Cushenbury milk-vetch |
8 |
Endangered |
Wherever found |
| Astragalus applegatei |
Applegate's milk-vetch |
8 |
Endangered |
Wherever found |
| Astragalus brauntonii |
Braunton's milk-vetch |
8 |
Endangered |
Wherever found |
| Astragalus clarianus |
Clara Hunt's milk-vetch |
8 |
Endangered |
Wherever found |
| Astragalus jaegerianus |
Lane Mountain milk-vetch |
8 |
Endangered |
Wherever found |
| Astragalus lentiginosus var. coachellae |
Coachella Valley milk-vetch |
8 |
Endangered |
Wherever found |
| Astragalus lentiginosus var. piscinensis |
Fish Slough milk-vetch |
8 |
Threatened |
Wherever found |
| Astragalus magdalenae var. peirsonii |
Peirson's milk-vetch |
8 |
Threatened |
Wherever found |
| Astragalus phoenix |
Ash meadows milk-vetch |
8 |
Threatened |
Wherever found |
| Astragalus pycnostachyus var. lanosissimus |
Ventura Marsh Milk-vetch |
8 |
Endangered |
Wherever found |
| Astragalus tener var. titi |
Coastal dunes milk-vetch |
8 |
Endangered |
Wherever found |
| Astragalus tricarinatus |
Triple-ribbed milk-vetch |
8 |
Endangered |
Wherever found |
| Atriplex coronata var. notatior |
San Jacinto Valley crownscale |
8 |
Endangered |
Wherever found |
| Baccharis vanessae |
Encinitas baccharis |
8 |
Threatened |
Wherever found |
| Batrachoseps aridus |
Desert slender salamander |
8 |
Endangered |
Wherever found |
| Berberis nevinii |
Nevin's barberry |
8 |
Endangered |
Wherever found |
| Berberis pinnata ssp. insularis |
Island Barberry |
8 |
Endangered |
Wherever found |
| Blennosperma bakeri |
Sonoma sunshine |
8 |
Endangered |
Wherever found |
| Branchinecta conservatio |
Conservancy fairy shrimp |
8 |
Endangered |
Wherever found |
| Branchinecta longiantenna |
Longhorn fairy shrimp |
8 |
Endangered |
Wherever found |
| Branchinecta lynchi |
Vernal pool fairy shrimp |
8 |
Threatened |
Wherever found |
| Branchinecta sandiegonensis |
San Diego fairy shrimp |
8 |
Endangered |
Wherever found |
| Brodiaea filifolia |
Thread-leaved brodiaea |
8 |
Threatened |
Wherever found |
| Brodiaea pallida |
Chinese Camp brodiaea |
8 |
Threatened |
Wherever found |
| Callophrys mossii bayensis |
San Bruno elfin butterfly |
8 |
Endangered |
Wherever found |
| Calochortus tiburonensis |
Tiburon mariposa lily |
8 |
Threatened |
Wherever found |
| Calyptridium pulchellum |
Mariposa pussypaws |
8 |
Threatened |
Wherever found |
| Calystegia stebbinsii |
Stebbins' morning-glory |
8 |
Endangered |
Wherever found |
| Camissonia benitensis |
San Benito evening-primrose |
8 |
Threatened |
Wherever found |
| Carex albida |
White sedge |
8 |
Endangered |
Wherever found |
| Castilleja affinis ssp. neglecta |
Tiburon paintbrush |
8 |
Endangered |
Wherever found |
| Castilleja campestris ssp. succulenta |
Fleshy owl's-clover |
8 |
Threatened |
Wherever found |
| Castilleja cinerea |
Ash-grey paintbrush |
8 |
Threatened |
Wherever found |
| Castilleja grisea |
San Clemente Island Paintbrush |
8 |
Threatened |
Wherever found |
| Castilleja mollis |
Soft-leaved paintbrush |
8 |
Endangered |
Wherever found |
| Catostomus santaanae |
Santa Ana sucker |
8 |
Threatened |
Los Angeles River basin, San Gabriel River basin, Santa Ana River basin |
| Caulanthus californicus |
California jewelflower |
8 |
Endangered |
Wherever found |
| Ceanothus ferrisae |
Coyote ceanothus |
8 |
Endangered |
Wherever found |
| Ceanothus ophiochilus |
Vail Lake ceanothus |
8 |
Threatened |
Wherever found |
| Ceanothus roderickii |
Pine Hill ceanothus |
8 |
Endangered |
Wherever found |
| Centaurium namophilum |
Spring-loving centaury |
8 |
Threatened |
Wherever found |
| Cercocarpus traskiae |
Catalina Island mountain-mahogany |
8 |
Endangered |
Wherever found |
| Chamaesyce hooveri |
Hoover's spurge |
8 |
Threatened |
Wherever found |
| Charadrius nivosus nivosus |
Western snowy plover |
8 |
Threatened |
Pacific Coast population DPS-U.S.A. (CA, OR, WA), Mexico (within 50 miles of Pacific coast) |
| Chasmistes brevirostris |
Shortnose Sucker |
8 |
Endangered |
Wherever found |
| Chasmistes cujus |
Cui-ui |
8 |
Endangered |
Wherever found |
| Chelonia mydas |
Green sea turtle |
8 |
Threatened |
Green sea turtles originating from the East Pacific Ocean, bounded by the following lines and coordinates: 41 degrees N., 143 degrees W. in the northwest; 41 degrees N. Lat. in the north; along the western coasts of the Americas; 40 degrees S. Lat. in the south; and 40 degrees S., 96 degrees W. in the southwest |
| Chlorogalum purpureum |
Purple amole |
8 |
Threatened |
Wherever found |
| Chorizanthe howellii |
Howell's spineflower |
8 |
Endangered |
Wherever found |
| Chorizanthe orcuttiana |
Orcutt's spineflower |
8 |
Endangered |
Wherever found |
| Chorizanthe pungens var. hartwegiana |
Ben Lomond spineflower |
8 |
Endangered |
Wherever found |
| Chorizanthe pungens var. pungens |
Monterey spineflower |
8 |
Threatened |
Wherever found |
| Chorizanthe robusta var. hartwegii |
Scotts Valley spineflower |
8 |
Endangered |
Wherever found |
| Chorizanthe robusta var. robusta |
Robust spineflower |
8 |
Endangered |
Wherever found |
| Chorizanthe valida |
Sonoma spineflower |
8 |
Endangered |
Wherever found |
| Cicindela ohlone |
Ohlone tiger beetle |
8 |
Endangered |
Wherever found |
| Cirsium fontinale var. fontinale |
Fountain thistle |
8 |
Endangered |
Wherever found |
| Cirsium fontinale var. obispoense |
Chorro Creek bog thistle |
8 |
Endangered |
Wherever found |
| Cirsium hydrophilum var. hydrophilum |
Suisun thistle |
8 |
Endangered |
Wherever found |
| Cirsium loncholepis |
La Graciosa thistle |
8 |
Endangered |
Wherever found |
| Clarkia franciscana |
Presidio clarkia |
8 |
Endangered |
Wherever found |
| Clarkia imbricata |
Vine Hill clarkia |
8 |
Endangered |
Wherever found |
| Clarkia speciosa ssp. immaculata |
Pismo clarkia |
8 |
Endangered |
Wherever found |
| Clarkia springvillensis |
Springville clarkia |
8 |
Threatened |
Wherever found |
| Coccyzus americanus |
Yellow-billed Cuckoo |
8 |
Threatened |
Western DPS: U.S.A. (AZ, CA, CO (western), ID, MT (western), NM (western), NV, OR, TX (western), UT, WA, WY (western)); Canada (British Columbia (southwestern); Mexico (Baja California, Baja California Sur, Chihuahua, Durango (western), Sinaloa, Sonora) |
| Cordylanthus maritimus ssp. maritimus |
Salt marsh bird's-beak |
8 |
Endangered |
Wherever found |
| Cordylanthus mollis ssp. mollis |
Soft bird's-beak |
8 |
Endangered |
Wherever found |
| Cordylanthus palmatus |
Palmate-bracted bird's beak |
8 |
Endangered |
Wherever found |
| Cordylanthus tenuis ssp. capillaris |
Pennell's bird's-beak |
8 |
Endangered |
Wherever found |
| Crenichthys baileyi baileyi |
White River springfish |
8 |
Endangered |
Wherever found |
| Crenichthys baileyi grandis |
Hiko White River springfish |
8 |
Endangered |
Wherever found |
| Crenichthys nevadae |
Railroad Valley springfish |
8 |
Threatened |
Wherever found |
| Cupressus abramsiana |
Santa Cruz cypress |
8 |
Threatened |
Wherever found |
| Cupressus goveniana ssp. goveniana |
Gowen cypress |
8 |
Threatened |
Wherever found |
| Cyprinodon diabolis |
Devils Hole pupfish |
8 |
Endangered |
Wherever found |
| Cyprinodon nevadensis mionectes |
Ash Meadows Amargosa pupfish |
8 |
Endangered |
Wherever found |
| Cyprinodon nevadensis pectoralis |
Warm Springs pupfish |
8 |
Endangered |
Wherever found |
| Cyprinodon radiosus |
Owens pupfish |
8 |
Endangered |
Wherever found |
| Deinandra (=Hemizonia) conjugens |
Otay tarplant |
8 |
Threatened |
Wherever found |
| Deinandra increscens ssp. villosa |
Gaviota Tarplant |
8 |
Endangered |
Wherever found |
| Delphinium bakeri |
Baker's larkspur |
8 |
Endangered |
Wherever found |
| Delphinium luteum |
Yellow larkspur |
8 |
Endangered |
Wherever found |
| Delphinium variegatum ssp. kinkiense |
San Clemente Island larkspur |
8 |
Endangered |
Wherever found |
| Deltistes luxatus |
Lost River sucker |
8 |
Endangered |
Wherever found |
| Desmocerus californicus dimorphus |
Valley elderberry longhorn beetle |
8 |
Threatened |
Wherever found |
| Dinacoma caseyi |
Casey's June Beetle |
8 |
Endangered |
Wherever found |
| Diplacus vandenbergensis |
Vandenberg monkeyflower |
8 |
Endangered |
Wherever found |
| Dipodomys heermanni morroensis |
Morro Bay kangaroo rat |
8 |
Endangered |
Wherever found |
| Dipodomys ingens |
Giant kangaroo rat |
8 |
Endangered |
Wherever found |
| Dipodomys merriami parvus |
San Bernardino Merriam's kangaroo rat |
8 |
Endangered |
Wherever found |
| Dipodomys nitratoides exilis |
Fresno kangaroo rat |
8 |
Endangered |
Wherever found |
| Dipodomys nitratoides nitratoides |
Tipton kangaroo rat |
8 |
Endangered |
Wherever found |
| Dipodomys stephensi (incl. D. cascus) |
Stephens' kangaroo rat |
8 |
Endangered |
Wherever found |
| Dodecahema leptoceras |
Slender-horned spineflower |
8 |
Endangered |
Wherever found |
| Dudleya abramsii ssp. parva |
Conejo dudleya |
8 |
Threatened |
Wherever found |
| Dudleya cymosa ssp. marcescens |
Marcescent dudleya |
8 |
Threatened |
Wherever found |
| Dudleya cymosa ssp. ovatifolia |
Santa Monica Mountains dudleyea |
8 |
Threatened |
Wherever found |
| Dudleya nesiotica |
Santa Cruz Island dudleya |
8 |
Threatened |
Wherever found |
| Dudleya setchellii |
Santa Clara Valley dudleya |
8 |
Endangered |
Wherever found |
| Dudleya stolonifera |
Laguna Beach liveforever |
8 |
Threatened |
Wherever found |
| Dudleya traskiae |
Santa Barbara Island liveforever |
8 |
Endangered |
Wherever found |
| Dudleya verityi |
Verity's dudleya |
8 |
Threatened |
Wherever found |
| Elaphrus viridis |
Delta green ground beetle |
8 |
Threatened |
Wherever found |
| Empetrichthys latos |
Pahrump poolfish |
8 |
Endangered |
Wherever found |
| Enceliopsis nudicaulis var. corrugata |
Ash Meadows sunray |
8 |
Threatened |
Wherever found |
| Enhydra lutris nereis |
Southern sea otter |
8 |
Threatened |
Wherever found |
| Eremalche kernensis |
Kern mallow |
8 |
Endangered |
Wherever found |
| Eremichthys acros |
Desert dace |
8 |
Threatened |
Wherever found |
| Eriastrum densifolium ssp. sanctorum |
Santa Ana River woolly-star |
8 |
Endangered |
Wherever found |
| Erigeron parishii |
Parish's daisy |
8 |
Threatened |
Wherever found |
| Eriodictyon altissimum |
Indian Knob mountainbalm |
8 |
Endangered |
Wherever found |
| Eriodictyon capitatum |
Lompoc yerba santa |
8 |
Endangered |
Wherever found |
| Eriogonum apricum (incl. var. prostratum) |
Ione (incl. Irish Hill) buckwheat |
8 |
Endangered |
Wherever found |
| Eriogonum kennedyi var. austromontanum |
Southern mountain wild-buckwheat |
8 |
Threatened |
Wherever found |
| Eriogonum ovalifolium var. vineum |
Cushenbury buckwheat |
8 |
Endangered |
Wherever found |
| Eriogonum ovalifolium var. williamsiae |
Steamboat buckwheat |
8 |
Endangered |
Wherever found |
| Eriophyllum latilobum |
San Mateo woolly sunflower |
8 |
Endangered |
Wherever found |
| Eryngium aristulatum var. parishii |
San Diego button-celery |
8 |
Endangered |
Wherever found |
| Eryngium constancei |
Loch Lomond coyote thistle |
8 |
Endangered |
Wherever found |
| Erysimum capitatum var. angustatum |
Contra Costa wallflower |
8 |
Endangered |
Wherever found |
| Erysimum menziesii |
Menzies' wallflower |
8 |
Endangered |
Wherever found |
| Erysimum teretifolium |
Ben Lomond wallflower |
8 |
Endangered |
Wherever found |
| Eucyclogobius newberryi |
Tidewater goby |
8 |
Endangered |
Wherever found |
| Euphilotes battoides allyni |
El Segundo blue butterfly |
8 |
Endangered |
Wherever found |
| Euphilotes enoptes smithi |
Smith's blue butterfly |
8 |
Endangered |
Wherever found |
| Euphydryas editha bayensis |
Bay checkerspot butterfly |
8 |
Threatened |
Wherever found |
| Euphydryas editha quino (=E. e. wrighti) |
Quino checkerspot butterfly |
8 |
Endangered |
Wherever found |
| Euproserpinus euterpe |
Kern primrose sphinx moth |
8 |
Threatened |
Wherever found |
| Fremontodendron californicum ssp. decumbens |
Pine Hill flannelbush |
8 |
Endangered |
Wherever found |
| Fremontodendron mexicanum |
Mexican flannelbush |
8 |
Endangered |
Wherever found |
| Galium buxifolium |
Island bedstraw |
8 |
Endangered |
Wherever found |
| Galium californicum ssp. sierrae |
El Dorado bedstraw |
8 |
Endangered |
Wherever found |
| Gambelia silus |
Blunt-nosed leopard lizard |
8 |
Endangered |
Wherever found |
| Gasterosteus aculeatus williamsoni |
Unarmored threespine stickleback |
8 |
Endangered |
Wherever found |
| Gila bicolor ssp. mohavensis |
Mohave tui chub |
8 |
Endangered |
Wherever found |
| Gila bicolor ssp. snyderi |
Owens Tui Chub |
8 |
Endangered |
Wherever found |
| Gila robusta jordani |
Pahranagat roundtail chub |
8 |
Endangered |
Wherever found |
| Gilia tenuiflora ssp. arenaria |
Monterey gilia |
8 |
Endangered |
Wherever found |
| Gilia tenuiflora ssp. hoffmannii |
Hoffmann's slender-flowered gilia |
8 |
Endangered |
Wherever found |
| Glaucopsyche lygdamus palosverdesensis |
Palos Verdes blue butterfly |
8 |
Endangered |
Wherever found |
| Gopherus agassizii |
Desert tortoise |
8 |
Similarity of Appearance to a Threatened Taxon |
AZ south and east of Colorado R., and Mexico, when found outside of Mexico or said range in AZ |
| Gopherus agassizii |
Desert tortoise |
8 |
Threatened |
Wherever found, except AZ south and east of Colorado R., and Mexico |
| Grindelia fraxinipratensis |
Ash Meadows gumplant |
8 |
Threatened |
Wherever found |
| Gymnogyps californianus |
California condor |
8 |
Endangered |
U.S.A. only, except where listed as an experimental population |
| Helianthemum greenei |
Island rush-rose |
8 |
Threatened |
Wherever found |
| Helminthoglypta walkeriana |
Morro shoulderband (=Banded dune) snail |
8 |
Endangered |
Wherever found |
| Hesperolinon congestum |
Marin dwarf-flax |
8 |
Threatened |
Wherever found |
| Holocarpha macradenia |
Santa Cruz tarplant |
8 |
Threatened |
Wherever found |
| Hypomesus transpacificus |
Delta smelt |
8 |
Threatened |
Wherever found |
| Icaricia icarioides missionensis |
Mission blue butterfly |
8 |
Endangered |
Wherever found |
| Icaricia (Plebejus) shasta charlestonensis |
Mount Charleston blue butterfly |
8 |
Endangered |
Wherever found |
| Ivesia kingii var. eremica |
Ash Meadows ivesia |
8 |
Threatened |
Wherever found |
| Ivesia webberi |
Webber's ivesia |
8 |
Threatened |
Wherever found |
| Lanius ludovicianus mearnsi |
San Clemente loggerhead shrike |
8 |
Endangered |
Wherever found |
| Lasthenia burkei |
Burke's goldfields |
8 |
Endangered |
Wherever found |
| Lasthenia conjugens |
Contra Costa goldfields |
8 |
Endangered |
Wherever found |
| Layia carnosa |
Beach layia |
8 |
Endangered |
Wherever found |
| Lepidomeda albivallis |
White River spinedace |
8 |
Endangered |
Wherever found |
| Lepidomeda mollispinis pratensis |
Big Spring spinedace |
8 |
Threatened |
Wherever found |
| Lepidurus packardi |
Vernal pool tadpole shrimp |
8 |
Endangered |
Wherever found |
| Lesquerella kingii ssp. bernardina |
San Bernardino Mountains bladderpod |
8 |
Endangered |
Wherever found |
| Lessingia germanorum (=L.g. var. germanorum) |
San Francisco lessingia |
8 |
Endangered |
Wherever found |
| Lilium occidentale |
Western lily |
8 |
Endangered |
Wherever found |
| Lilium pardalinum ssp. pitkinense |
Pitkin Marsh lily |
8 |
Endangered |
Wherever found |
| Limnanthes floccosa ssp. californica |
Butte County meadowfoam |
8 |
Endangered |
Wherever found |
| Limnanthes vinculans |
Sebastopol meadowfoam |
8 |
Endangered |
Wherever found |
| Lithophragma maximum |
San Clemente Island woodland-star |
8 |
Endangered |
Wherever found |
| Lupinus nipomensis |
Nipomo Mesa lupine |
8 |
Endangered |
Wherever found |
| Lupinus tidestromii |
Clover lupine |
8 |
Endangered |
Wherever found |
| Lycaeides argyrognomon lotis |
Lotis blue butterfly |
8 |
Endangered |
Wherever found |
| Malacothamnus clementinus |
San Clemente Island bush-mallow |
8 |
Endangered |
Wherever found |
| Malacothamnus fasciculatus var. nesioticus |
Santa Cruz Island bush-mallow |
8 |
Endangered |
Wherever found |
| Malacothrix indecora |
Santa Cruz Island malacothrix |
8 |
Endangered |
Wherever found |
| Malacothrix squalida |
Island malacothrix |
8 |
Endangered |
Wherever found |
| Masticophis lateralis euryxanthus |
Alameda whipsnake (=striped racer) |
8 |
Threatened |
Wherever found |
| Mentzelia leucophylla |
Ash Meadows blazingstar |
8 |
Threatened |
Wherever found |
| Microtus californicus scirpensis |
Amargosa vole |
8 |
Endangered |
Wherever found |
| Moapa coriacea |
Moapa dace |
8 |
Endangered |
Wherever found |
| Monardella viminea |
Willowy monardella |
8 |
Endangered |
Wherever found |
| Monolopia (=Lembertia) congdonii |
San Joaquin wooly-threads |
8 |
Endangered |
Wherever found |
| Navarretia fossalis |
Spreading navarretia |
8 |
Threatened |
Wherever found |
| Navarretia leucocephala ssp. pauciflora (=N. pauciflora) |
Few-flowered navarretia |
8 |
Endangered |
Wherever found |
| Navarretia leucocephala ssp. plieantha |
Many-flowered navarretia |
8 |
Endangered |
Wherever found |
| Neostapfia colusana |
Colusa grass |
8 |
Threatened |
Wherever found |
| Neotoma fuscipes riparia |
Riparian woodrat (=San Joaquin Valley) |
8 |
Endangered |
Wherever found |
| Nitrophila mohavensis |
Amargosa niterwort |
8 |
Endangered |
Wherever found |
| Oenothera deltoides ssp. howellii |
Antioch Dunes evening-primrose |
8 |
Endangered |
Wherever found |
| Oncorhynchus aguabonita whitei |
Little Kern golden trout |
8 |
Threatened |
Wherever found |
| Oncorhynchus clarkii henshawi |
Lahontan cutthroat trout |
8 |
Threatened |
Wherever found |
| Oncorhynchus clarkii seleniris |
Paiute cutthroat trout |
8 |
Threatened |
Wherever found |
| Opuntia treleasei |
Bakersfield cactus |
8 |
Endangered |
Wherever found |
| Orcuttia californica |
California Orcutt grass |
8 |
Endangered |
Wherever found |
| Orcuttia inaequalis |
San Joaquin Orcutt grass |
8 |
Threatened |
Wherever found |
| Orcuttia pilosa |
Hairy Orcutt grass |
8 |
Endangered |
Wherever found |
| Orcuttia tenuis |
Slender Orcutt grass |
8 |
Threatened |
Wherever found |
| Orcuttia viscida |
Sacramento Orcutt grass |
8 |
Endangered |
Wherever found |
| Ovis canadensis nelsoni |
Peninsular bighorn sheep |
8 |
Endangered |
U.S.A. (CA) Peninsular Ranges |
| Ovis canadensis sierrae |
Sierra Nevada bighorn sheep |
8 |
Endangered |
U.S.A. (CA) Sierra Nevada |
| Oxytheca parishii var. goodmaniana |
Cushenbury oxytheca |
8 |
Endangered |
Wherever found |
| Pacifastacus fortis |
Shasta crayfish |
8 |
Endangered |
Wherever found |
| Parvisedum leiocarpum |
Lake County stonecrop |
8 |
Endangered |
Wherever found |
| Pentachaeta bellidiflora |
White-rayed pentachaeta |
8 |
Endangered |
Wherever found |
| Pentachaeta lyonii |
Lyon's pentachaeta |
8 |
Endangered |
Wherever found |
| Perognathus longimembris pacificus |
Pacific pocket mouse |
8 |
Endangered |
Wherever found |
| Phacelia insularis ssp. insularis |
Island phacelia |
8 |
Endangered |
Wherever found |
| Phlox hirsuta |
Yreka phlox |
8 |
Endangered |
Wherever found |
| Piperia yadonii |
Yadon's piperia |
8 |
Endangered |
Wherever found |
| Pipilo crissalis eremophilus |
Inyo California towhee |
8 |
Threatened |
Wherever found |
| Plagiobothrys strictus |
Calistoga allocarya |
8 |
Endangered |
Wherever found |
| Poa atropurpurea |
San Bernardino bluegrass |
8 |
Endangered |
Wherever found |
| Poa napensis |
Napa bluegrass |
8 |
Endangered |
Wherever found |
| Pogogyne abramsii |
San Diego mesa-mint |
8 |
Endangered |
Wherever found |
| Pogogyne nudiuscula |
Otay mesa-mint |
8 |
Endangered |
Wherever found |
| Polioptila californica californica |
Coastal California gnatcatcher |
8 |
Threatened |
Wherever found |
| Polygonum hickmanii |
Scotts Valley Polygonum |
8 |
Endangered |
Wherever found |
| Polyphylla barbata |
Mount Hermon June beetle |
8 |
Endangered |
Wherever found |
| Potentilla hickmanii |
Hickman's potentilla |
8 |
Endangered |
Wherever found |
| Pseudobahia bahiifolia |
Hartweg's golden sunburst |
8 |
Endangered |
Wherever found |
| Pseudobahia peirsonii |
San Joaquin adobe sunburst |
8 |
Threatened |
Wherever found |
| Pseudocopaeodes eunus obscurus |
Carson wandering skipper |
8 |
Endangered |
Wherever found |
| Pyrgus ruralis lagunae |
Laguna Mountains skipper |
8 |
Endangered |
Wherever found |
| Rallus longirostris levipes |
Light-footed clapper rail |
8 |
Endangered |
Wherever found |
| Rallus longirostris obsoletus |
California clapper rail |
8 |
Endangered |
Wherever found |
| Rana draytonii |
California red-legged frog |
8 |
Threatened |
Wherever found |
| Rana muscosa |
Mountain yellow-legged frog |
8 |
Endangered |
U.S.A., northern California |
| Rana muscosa |
Mountain yellow-legged frog |
8 |
Endangered |
U.S.A., southern California |
| Rana sierrae |
Sierra Nevada Yellow-legged Frog |
8 |
Endangered |
Wherever found |
| Reithrodontomys raviventris |
Salt marsh harvest mouse |
8 |
Endangered |
wherever found |
| Rhaphiomidas terminatus abdominalis |
Delhi Sands flower-loving fly |
8 |
Endangered |
Wherever found |
| Rhinichthys osculus lethoporus |
Independence Valley speckled dace |
8 |
Endangered |
Wherever found |
| Rhinichthys osculus nevadensis |
Ash Meadows speckled dace |
8 |
Endangered |
Wherever found |
| Rhinichthys osculus oligoporus |
Clover Valley speckled dace |
8 |
Endangered |
Wherever found |
| Rorippa gambellii |
Gambel's watercress |
8 |
Endangered |
Wherever found |
| Senecio layneae |
Layne's butterweed |
8 |
Threatened |
Wherever found |
| Sibara filifolia |
Santa Cruz Island rockcress |
8 |
Endangered |
Wherever found |
| Sidalcea keckii |
Keck's Checker-mallow |
8 |
Endangered |
Wherever found |
| Sidalcea oregana ssp. valida |
Kenwood Marsh checker-mallow |
8 |
Endangered |
Wherever found |
| Sidalcea pedata |
Pedate checker-mallow |
8 |
Endangered |
Wherever found |
| Sorex ornatus relictus |
Buena Vista Lake ornate Shrew |
8 |
Endangered |
Wherever found |
| Speyeria callippe callippe |
Callippe silverspot butterfly |
8 |
Endangered |
Wherever found |
| Speyeria zerene behrensii |
Behren's silverspot butterfly |
8 |
Endangered |
Wherever found |
| Speyeria zerene myrtleae |
Myrtle's silverspot butterfly |
8 |
Endangered |
Wherever found |
| Sterna antillarum browni |
California least tern |
8 |
Endangered |
Wherever found |
| Streptanthus albidus ssp. albidus |
Metcalf Canyon jewelflower |
8 |
Endangered |
Wherever found |
| Streptanthus niger |
Tiburon jewelflower |
8 |
Endangered |
Wherever found |
| Streptocephalus woottoni |
Riverside fairy shrimp |
8 |
Endangered |
Wherever found |
| Suaeda californica |
California seablite |
8 |
Endangered |
Entire |
| Swallenia alexandrae |
Eureka Dune grass |
8 |
Threatened |
Entire |
| Sylvilagus bachmani riparius |
Riparian brush rabbit |
8 |
Endangered |
Wherever found |
| Syncaris pacifica |
California freshwater shrimp |
8 |
Endangered |
Wherever found |
| Taraxacum californicum |
California taraxacum |
8 |
Endangered |
Wherever found |
| Thamnophis gigas |
Giant garter snake |
8 |
Threatened |
Wherever found |
| Thamnophis sirtalis tetrataenia |
San Francisco garter snake |
8 |
Endangered |
Wherever found |
| Thelypodium stenopetalum |
Slender-petaled mustard |
8 |
Endangered |
Wherever found |
| Thlaspi californicum |
Kneeland Prairie penny-cress |
8 |
Endangered |
Wherever found |
| Thysanocarpus conchuliferus |
Santa Cruz Island fringepod |
8 |
Endangered |
Wherever found |
| Trifolium amoenum |
Showy Indian clover |
8 |
Endangered |
Wherever found |
| Trifolium trichocalyx |
Monterey clover |
8 |
Endangered |
Wherever found |
| Trimerotropis infantilis |
Zayante band-winged grasshopper |
8 |
Endangered |
Wherever found |
| Tuctoria greenei |
Greene's tuctoria |
8 |
Endangered |
Wherever found |
| Tuctoria mucronata |
Solano grass |
8 |
Endangered |
Wherever found |
| Uma inornata |
Coachella Valley fringe-toed lizard |
8 |
Threatened |
Wherever found |
| Urocyon littoralis catalinae |
Santa Catalina Island Fox |
8 |
Threatened |
Wherever found |
| Verbena californica |
Red Hills vervain |
8 |
Threatened |
Wherever found |
| Verbesina dissita |
Big-leaved crownbeard |
8 |
Threatened |
Wherever found |
| Vireo bellii pusillus |
Least Bell's vireo |
8 |
Endangered |
Wherever found |
| Vulpes macrotis mutica |
San Joaquin kit fox |
8 |
Endangered |
wherever found |
