Species | Subspecies/ variety | Common Name | Status | Known/Suspect | Field Office |
| Abronia umbellata | ssp. breviflora | Pink Sand Verbena | BLM Sensitive, California Native Plant Society List 1B | K | Arcata |
| Avcanthomintha ilicifolia | | San Diego Thornmint | Federal Threatened, California State Endangered, California Native Plant Society List 1B | K | Palm Springs |
| Acanthomintha lanceolata | | Santa Clara Thorn-Mint | BLM Sensitive, California Native Plant Society List 4 | K | Hollister |
| Acanthomintha obovata | ssp. obovata | San Benito Thorn-Mint | BLM Sensitive, California Native Plant Society List 4 | K | Hollister |
| Agrostis hooveri | | Hoover's Bent Grass | BLM Sensitive, California Native Plant Society List 1B | K | Bakersfield |
| Albatrellus caeruleoporus | | Blue-Pored Polypore | BLM Sensitive | S | Arcata |
| Albatrellus ellisii | | Greening Goat's Foot | BLM Sensitive | S | Arcata, Redding |
| Albatrellus flettii | | Blue-Capped Polypore | BLM Sensitive | S | Arcata |
| Allium jepsonii | | Jepson's Onion | BLM Sensitive, California Native Plant Society List 1B | K | Mother Lode |
| Allium munzii | | Munz's Onion | Federal Endangered, California State Threatened, California Native Plant Society List 1B | S | Palm Springs |
| Allium shevockii | | Spanish Needle Onion | BLM Sensitive, California Native Plant Society List 1B | K | Ridgecrest, Bakersfield |
| Allium tuolumnense | | Rawhide Hill Onion | BLM Sensitive, California Native Plant Society List 1B | K | Mother Lode |
| Ambrosia pumila | | San Diego Ambrosia | , BLM Sensitive, California Native Plant Society List 1B | S | Palm Springs |
| Amsinckia lunaris | | Bent-Flowered Fiddleneck | BLM Sensitive, California Native Plant Society List 1B | S | Redding |
| Anisocarpus scabridus | | Scabrid Alpine Tarplant | BLM Sensitive, California Native Plant Society List 1B | S | Redding |
| Arabis bodiensis | | Bodie Hills Rock Cress | BLM Sensitive, California Native Plant Society List 1B | K | Bishop |
| Arabis mcdonaldiana | | McDonald's Rock Cress | Federal Endangered; California State Endangered; California Native Plant Society List 1B. | K | Arcata |
| Arctostaphylos cruzensis | | La Cruz Manzanita | BLM Sensitive, California Native Plant Society List 1B | S | Hollister |
| Arctostaphylos hookeri | ssp. hookeri | Hooker's Manzanita | BLM Sensitive, California Native Plant Society List 1B | K | Hollister |
| Arctostaphylos klamathensis | | Klamath Manzanita | BLM Sensitive, California Native Plant Society List 1B | S | Redding |
| Arctostaphylos montereyensis | | Monterey Manzanita | BLM Sensitive, California Native Plant Society List 1B | K | Hollister |
| Arctostaphylos morroensis | | Morro Manzanita | Federal Threatened, California Native Plant Society List 1B | K | Bakersfield |
| Arctostaphylos myrtifolia | | Ione Manzanita | Federal Threatened, California Native Plant Society List 1B | K | Mother Lode |
| Arctostaphylos nissenana | | Nissenan Manzanita | BLM Sensitive, California Native Plant Society List 1B | K | Mother Lode |
| Arctostaphylos otayensis | | Otay Manzanita | BLM Sensitive, California Native Plant Society List 1B | K | Palm Springs |
| Arctostaphylos pilosula | | Santa Margarita Manzanita | BLM Sensitive, California Native Plant Society List 1B | K | Bakersfield |
| Arctostaphylos pumila | | Sandmat Manzanita | BLM Sensitive, California Native Plant Society List 1B | K | Hollister |
| Arctostaphylos rudis | | Sand Mesa Manzanita | BLM Sensitive, California Native Plant Society List 1B | K | Bakersfield |
| Aristocapsa insignis | | Indian Valley Spineflower | BLM Sensitive, California Native Plant Society List 1B | S | Bakersfield |
| Astragalus agnicidus | | Humboldt Milk-Vetch | California State Endangered, California Native Plant Society List 1B | S | Arcata |
| Astragalus agrestis | | Field Milk-Vetch | BLM Sensitive, California Native Plant Society List 2.2 | K in Eagle Lake, S in Alturas | Alturas, Eagle Lake |
| Astragalus albens | | Cushenberry Milk-Vetch | Federal Endangered, California Native Plant Society List 1B | K | Barstow |
| Astragalus anxius | | Ash Valley Milk-Vetch | BLM Sensitive, California Native Plant Society List 1B.3 | K | Alturas |
| Astragalus argophyllus | var. argophyllus | Silverleaf Milk-Vetch | BLM Sensitive, California Native Plant Society List 2.2 | K | Eagle Lake, Bishop |
| Astragalus atratus | var. mensanus | Darwin Mesa Milk-Vetch | BLM Sensitive, California Native Plant Society List 1B | K | Ridgecrest |
| Astragalus brauntonii | | Braunton's Milk-Vetch | Federal Endangered, California Native Plant Society List 1B | S | Palm Springs |
| Astragalus deanei | | Deane's Milk-Vetch | BLM Sensitive, California Native Plant Society List 1B | K | Palm Springs |
| Astragalus douglasii | var. perstrictus | Jacumba Milk-Vetch | BLM Sensitive, California Native Plant Society List 1B | K | Palm Springs |
| Astragalus ertterae | | Walker Pass Milk-Vetch | BLM Sensitive, California Native Plant Society List 1B | K | Ridgecrest, Bakersfield |
| Astragalus funereus | | Black Milk-Vetch | BLM Sensitive, California Native Plant Society List 1B | K | Barstow |
| Astragalus geyeri | var. geyeri | Geyer's Milk-Vetch | BLM Sensitive, California Native Plant Society List 2 | K | K in Eagle Lake, K in Ridgecrest, S in Bishop, S in Surprise |
| Astragalus jaegerianus | | Lane Mountain Milk-Vetch | Federal Endangered, California Native Plant Society List 1B | K | Barstow |
| Astragalus johannis-howellii | | Long Valley Milk-Vetch | California State Rare, California Native Plant Society List 1B | K | Bishop |
| Astragalus lemmonii | | Lemmon's Milk-Vetch | BLM Sensitive, California Native Plant Society List 1B.2; Nevada Native Plant Society Watch. | S in Alturas and Eagle Lake | Eagle Lake |
| Astragalus lentiformis | | Lens-Pod Milk-Vetch | BLM Sensitive, California Native Plant Society List 1B | K | Eagle Lake |
| Astragalus lentiginosus | ssp. piscinensis | Fish Slough Milk-Vetch | CNPS-1B; Federal-Proposed Species; State-None | K | Bishop |
| Astragalus lentiginosus | var. coachellae | Coachella Valley Milk-Vetch | Federal Endangered, California Native Plant Society List 1B | K | Palm Springs |
| Astragalus magdalenae | var. peirsonii | Peirson's Milk-Vetch | Federal Threatened, California State Endangered, California Native Plant Society List 1B | K | El Centro |
| Astragalus mojavensis | var. hemigyrus | Curved-Pod Milk-Vetch | BLM Sensitive, California Native Plant Society List 1A | S | Ridgecrest |
| Astragalus monoensis | var. monoensis | Mono Milk-Vetch | California State Rare, California Native Plant Society List 1B | K | Bishop |
| Astragalus oocarpus | | San Diego Milk-Vetch | BLM Sensitive, California Native Plant Society List 1B | K | Palm Springs |
| Astragalus pseudiodanthus | | Tonopah Milk-Vetch | BLM Sensitive, California Native Plant Society List 1B | K | Bishop |
| Astragalus pulsiferae | var. pulsiferae | Pulsifer's Milk-Vetch | BLM Sensitive, California Native Plant Society List 1B.2; Nevada Native Plant Society Watch Species | K | Eagle Lake |
| Astragalus pulsiferae | var. suksdorfii | Suksdorf's Milk-Vetch | BLM Sensitive, California Native Plant Society List 1B.2 | S | Eagle Lake |
| Astragalus pycnostachys | var. pycnostachys | Coastal Marsh Milk-Vetch | CNPS 1B, BLM Sensitive | K | Arcata |
| Astragalus rattanii | var. jepsonianus | Jepson's Milk-Vetch | BLM Sensitive, California Native Plant Society List 1B | K | Ukiah |
| Astragalus shevockii | | Shevock's Milk-Vetch | BLM Sensitive, California Native Plant Society List 1B | K | Bakersfield |
| Astragalus tener | var. ferrisiae | Ferris's Milk-Vetch | BLM Sensitive, California Native Plant Society List 1B | S | Redding |
| Astragalus tiehmii | | Tiehm's Milk-Vetch | BLM Sensitive, California Native Plant Society NV Watch | K | Surprise |
| Astragalus tricarinatus | | Triple-Ribbed Milk-Vetch | Federal Endangered, California Native Plant Society List 1B | K | Palm Springs |
| Astragalus webberi | | Webber's Milk-Vetch | BLM Sensitive, California Native Plant Society List 1B.2 | S | Eagle Lake |
| Atriplex cordulata | | Heart-Leaved Saltbush | BLM Sensitive, California Native Plant Society List 1B | K | Bakersfield |
| Atriplex coronata | var. notatior | San Jacinto Valley Crownscale | Federal Endangered, California Native Plant Society List 1B | K | Palm Springs |
| Atriplex erecticaulis | | Earlimart Orache | BLM Sensitive, California Native Plant Society List 1B | S | Bakersfield |
| Atriplex subtilis | | Subtle Orache | BLM Sensitive, California Native Plant Society List 1B | S | Bakersfield |
| Atriplex vallicola | | Lost Hills Saltbush | BLM Sensitive, California Native Plant Society List 1B | K | Bakersfield |
| Baccharis vanessae | | Encinitas Baccharis | Federal Threatened, California State Endangered, California Native Plant Society List 1B | K | Palm Springs |
| Balsamorhiza macrolepis | var. macrolepis | Big-Scaled Balsamroot | BLM Sensitive, California Native Plant Society List 1B | K | Mother Lode, Redding, Ukiah |
| Balsamorhiza sericea | | Silky Balsamroot | BLM Sensitive, California Native Plant Society List 1B | S | |
| Balsamorhiza hookeri | var. lanata | Woolly Balsamroot | BLM Sensitive, California Native Plant Society List 1B. | K | Redding |
| Berberis nevinii | | Nevin's Barberry | Federal Endangered, California State Endangered, California Native Plant Society List 1B | K | Palm Springs |
| Boletus haematinus | | Red-Pored Bolete | BLM Sensitive | S | Arcata, Redding |
| Brodiaea coronaria | ssp. rosea | Indian Valley Brodiaea | California State Endangered, California Native Plant Society List 1B | K | Ukiah |
| Brodiaea filifolia | | Thread-Leaved Brodiaea | Federal Threatened, California State Endangered, California Native Plant Society List 1B | S | Palm Springs |
| Brodiaea insignis | | Kaweah Brodiaea | California State Endangered, California Native Plant Society List 1B | S | Bakersfield |
| Brodiaea orcuttii | | Orcutt's Brodiaea | BLM Sensitive, California Native Plant Society List 1B | K | Palm Springs |
| Bryoria pseudocapillaris | | Horsehair Lichen | BLM Sensitive | K | Arcata |
| Bryoria spiralifera | | Horsehair Lichen | BLM Sensitive | K | Arcata |
| Bryoria tortuosa | | Yellow-Twist Horsehair | BLM Sensitive | K | Arcata, Redding |
| Buxbaumia viridis | | Green Bug Moss | BLM Sensitive | K | Arcata |
| Calamagrostis foliosa | | Leafy Reed Grass | California State Rare and California Native Plant Society List 4. | K | Arcata |
| Calicium viride | | Frog Stubble | BLM Sensitive | S | Arcata, Redding |
| Calochortus clavatus | var. avius | Pleasant Valley Mariposa Lily | BLM Sensitive, California Native Plant Society List 1B | S | Folsom |
| Calochortus dunnii | | Dunn's Mariposa Lily | California State Rare, California Native Plant Society List 1B | K | Palm Springs |
| Calochortus excavatus | | Inyo County Star-Tulip | BLM Sensitive, California Native Plant Society List 1B | K | Bishop |
| Calochortus greenei | | Greene's Mariposa Lily | BLM Sensitive, California Native Plant Society List 1B | K | Redding |
| Calochortus longebarbatus | var. longebarbatus | Long-Haired Star-Tulip | BLM Sensitive, California Native Plant Society List 1B.2 | S | Alturas, Redding |
| Calochortus monanthus | | Shasta River Mariposa | BLM Sensitive, California Native Plant Society List 1A | S | Redding |
| Calochortus obispoensis | | San Luis Mariposa Lily | BLM Sensitive, California Native Plant Society List 1B | S | Bakersfield |
| Calochortus persistens | | Siskiyou Mariposa Lily | Federal Candidate, California State Rare, California Native Plant Society List 1B | S | Redding |
| Calochortus simulans | | San Luis Obispo Mariposa Lily | BLM Sensitive, California Native Plant Society List 1B | S | Bakersfield |
| Calochortus striatus | | Alkali Mariposa Lily | BLM Sensitive, California Native Plant Society List 1B | K | Barstow, Ridgecrest, Bakersfield |
| Calochortus westonii | | Shirley Meadows Star-Tulip | BLM Sensitive, California Native Plant Society List 1B | K | Bakersfield |
| Calycadenia hooveri | | Hoover's Calycadenia | BLM Sensitive, California Native Plant Society List 1B | S | Bakersfield |
| Calycadenia oppositifolia | | Butte County Calycadenia | BLM Sensitive, California Native Plant Society List 1B | K | Redding |
| Calycadenia villosa | | Dwarf Calycadenia | BLM Sensitive, California Native Plant Society List 1B | S | Bakersfield |
| Calyptridium pulchellum | | Mariposa Pussypaws | Federal Threatened, California Native Plant Society List 1B | S | Bakersfield |
| Calystegia atriplicifolia | ssp. buttenesis | Butte County Morning-Glory | BLM Sensitive, California Native Plant Society List 1B | K | Redding |
| Calystegia collina | ssp. tridactylosa | Serpentine Morning Glory | | | |
| Calystegia collina | ssp. venusta | South Coast Range Morning-Glory | BLM Sensitive, California Native Plant Society List 4 | K | Hollister |
| Calystegia stebbinsii | | Stebbins' Morning Glory | Federal Endangered, California State Endangered, California Native Plant Society List 1B | K | Mother Lode |
| Camissonia benitensis | | San Benito Evening-Primrose | Federal Threatened, California Native Plant Society List 1B | K | Hollister |
| Camissonia hardhamiae | | Hardham's Evening-Primrose | BLM Sensitive, California Native Plant Society List 1B | S | Hollister |
| Camissonia integrifolia | | Kern River Evening-Primrose | BLM Sensitive, California Native Plant Society List 1B | S | Bakersfield |
| Campanula sharsmithiae | | Sharsmith's Harebell | BLM Sensitive, California Native Plant Society List 1B | S | Hollister |
| Campanula shetleri | | Castle Crag's Harebell | BLM Sensitive, California Native Plant Society List 1B | S | Redding |
| Canbya candida | | Pygmy Poppy | BLM Sensitive, California Native Plant Society List 1B | K | Bakersfield |
| Carex livida | | Livid Sedge | BLM Sensitive, California Native Plant Society List 1A | S | Redding |
| Carex obispoensis | | San Luis Obispo Sedge | BLM Sensitive, California Native Plant Society List 1B | K | Bakersfield |
| Carlquistia muirii | | Muir's Raillardella | BLM Sensitive, California Native Plant Society List 1B | K | Ridgecrest, Bakersfield |
| Carpenteria californica | | Tree-Anemone | California State Threatened, California Native Plant Society List 1B | S | Bakersfield |
| Castilleja ambigua | ssp. humboldtiensis | Humbodlt Bay Owl's-Clover | BLM Sensitive, California Native Plant Society List 1B | K | Arcata |
| Castilleja campestris | ssp. succulenta | Succulent Owl's Clover | Federal Threatened, California State Endangered, California Native Plant Society List 1B | K | Bakersfield, Hollister |
| Castilleja densiflora | ssp. obispoensis | Obispo Indian Paintbrush | BLM Sensitive, California Native Plant Society List 1B | S | Bakersfield |
| Castilleja gleasonii | | Mount Gleason Indian Paintbrush | California State Rare, California Native Plant Society List 1B | S | Palm Springs |
| Castilleja mendocinensis | | Mendocino Coast Paintbrush | BLM Sensitive, California Native Plant Society List 1B | S | Arcata |
| Castilleja rubicundula | ssp. rubicundula | Pink Creamsacs | BLM Sensitive, California Native Plant Society List 1B | S | Redding |
| Caulanthus californicus | | California Jewelflower | Federal Endangered, California State Endangered, California Native Plant Society List 1B | K | Hollister, Bakersfield |
| Caulanthus coulteri | var. lemmonii | Lemmon's Jewelflower | BLM Sensitive, California Native Plant Society List 1B | K | Bakersfield |
| Caulostramina jaegeri | | Jaeger's Caulostramina | BLM Sensitive, California Native Plant Society List 1B | K | Bishop, Ridgecrest |
| Ceanothus confusus | | Rincon Ridge Ceanothus | BLM Sensitive, California Native Plant Society List 1B | S | Ukiah |
| Ceanothus cyaneus | | Lakeside Ceanothus | BLM Sensitive, California Native Plant Society List 1B | K | Palm Springs |
| Ceanothus divergens | | Calistoga Ceanothus | BLM Sensitive, California Native Plant Society List 1B | S | Ukiah |
| Ceanothus ferrisae | | Coyote Ceanothus | Federal Endangered, California Native Plant Society List 1B | S | Hollister |
| Ceanothus hearstiorum | | Hearst's Ceanothus | California State Rare, California Native Plant Society List 1B | S | Hollister |
| Ceanothus roderickii | | Pine Hill Ceanothus | Federal Endangered, California State Rare, California Native Plant Society List 1B | K | Mother Lode |
| Centromadia parryi | ssp. congdonii | Congdon's Tarplant | BLM Sensitive, California Native Plant Society List 1B | K | Hollister |
| Chaenactis suffrutescens | | Shasta Chaenactis | BLM Sensitive, California Native Plant Society List 1B | K | Redding |
| Chamaesyce hooveri | | Hoover's Spurge | Federal Threatened, California Native Plant Society List 1B | S | Redding |
| Chamaesyce ocellata | ssp. rattanii | Stony Creek Spurge | BLM Sensitive, California Native Plant Society List 1B | K | Redding |
| Chamaesyce platysperma | | Flat-Seeded Spurge | BLM Sensitive, California Native Plant Society List 1B | S | Palm Springs, El Centro |
| Chlorogalum grandiflorum | | Red Hills Soaproot | BLM Sensitive, California Native Plant Society List 1B | K | Mother Lode |
| Chlorogalum pomeridianum | var. minus | Dwarf Soaproot | BLM Sensitive, California Native Plant Society List 1B | K | Ukiah, Redding |
| Chlorogalum purpureum | var. purpureum | Purple Amole | Federal Threatened, California Native Plant Society List 1B | S | Hollister, Bakersfield |
| Choiromyces venosus | | Hypogeous Truffle | BLM Sensitive | K | Arcata |
| Chorizanthe biloba | var. immemora | San Benito Spineflower | BLM Sensitive, California Native Plant Society List 1B | K | Hollister |
| Chorizanthe breweri | | Brewer's Spineflower | BLM Sensitive, California Native Plant Society List 1B | S | Bakersfield |
| Chorizanthe orcuttiana | | Orcutt Spineflower | Federal Endangered, California State Endangered, California Native Plant Society List 1B | S | Palm Springs |
| Chorizanthe pungens | var. pungens | Monterey Spineflower | Federal Threatened, California Native Plant Society List 1B | K | Hollister |
| Chorizanthe rectispina | | Straight-Awned Spineflower | BLM Sensitive, California Native Plant Society List 1B | K | Bakersfield, Hollister |
| Cirsium ciliolatum | | Ashland Thistle | California State Endangered, California Native Plant Society List 2 | S | Redding |
| Cirsium crassicaule | | Slough Thistle | BLM Sensitive, California Native Plant Society List 1B | S | Bakersfield |
| Cirsium fontinale | var. obispoense | Chorro Creek Bog Thistle | Federal Endangered, California State Endangered, California Native Plant Society List 1B | S | Bakersfield |
| Cirsium fontinale | var. campylon | Chorro Creek Bog Thistle | BLM Sensitive, California Native Plant Society List 1B | S | Hollister |
| Cirsium loncholepis | | La Graciosa Thistle | Federal Endangered, California State Threatened, California Native Plant Society List 1B | S | Bakersfield |
| Cirsium rhothophilum | | Surf Thistle | California State Threatened, California Native Plant Society List 1B | K | Bakersfield |
| Clarkia australis | | Small Southern Clarkia | BLM Sensitive, California Native Plant Society List 1B | S | Bakersfield |
| Clarkia biloba | ssp. australis | Mariposa Clarkia | BLM Sensitive, California Native Plant Society List 1B | K | Mother Lode |
| Clarkia biloba | ssp. brandegeae | Brandegee's Clarkia | BLM Sensitive, California Native Plant Society List 1B | K | Mother Lode, Redding |
| Clarkia borealis | ssp. arida | Shasta Clarkia | BLM Sensitive, California Native Plant Society List 1B | K | Redding |
| Clarkia borealis | ssp. borealis | Northern Clarkia | BLM Sensitive, California Native Plant Society List 1B | S | Redding |
| Clarkia breweri | | Brewer's Clarkia | BLM Sensitive, California Native Plant Society List 4 | K | Hollister |
| Clarkia gracilis | ssp. albicaulis | White-Stemmed Clarkia | BLM Sensitive, California Native Plant Society List 1B | K | Redding |
| Clarkia mildrediae | ssp. mildrediae | Mildred's Clarkia | BLM Sensitive, California Native Plant Society List 1B | S | Redding |
| Clarkia mosquinii | | Mosquin's Clarkia | BLM Sensitive, California Native Plant Society List 1B | K | Redding |
| Clarkia rostrata | | Beaked Clarkia | BLM Sensitive, California Native Plant Society List 1B | K | Mother Lode |
| Clarkia springvillensis | | Springville Clarkia | Federal Threatened, California State Endangered, California Native Plant Society List 1B | S | Bakersfield |
| Clarkia tembloriensis | ssp. calientensis | Caliente Clarkia | BLM Sensitive, California Native Plant Society List 1B | S | Bakersfield |
| Clavariadelphus ligula | | Strap Coral | BLM Sensitive | S | Arcata |
| Clavulina castanopes | var. lignicola | Hairy-Stemmed Coral | BLM Sensitive | S | Arcata |
| Clitocybe subditopoda | | Little Brown Mushroom | BLM Sensitive | K | Arcata |
| Collybia racemosa | | Branched Collybia | BLM Sensitive | K | Arcata |
| Cordyceps ophioglossoides | | Truffle Eater | BLM Sensitive | S | Arcata |
| Cordylanthus maritimus | ssp. palustris | Point Reyes Birds-Beak | BLM Sensitive, California Native Plant Society List 1B | K | Arcata |
| Cordylanthus mollis | ssp. hispidus | Hispid Bird's Beak | BLM Sensitive, California Native Plant Society List 1B | S | Hollister, Bakersfield |
| Cordylanthus nidularius | | Mount Diablo Bird's-Beak | California State Rare, California Native Plant Society List 1B | S | Hollister |
| Cordylanthus rigidus | ssp. littoralis | Seaside Bird's-Beak | California State Endangered, California Native Plant Society List 1B | K | Hollister, Bakersfield |
| Cordylanthus tecopensis | | Tecopa Bird's Beak | BLM Sensitive, California Native Plant Society List 1B | K | Barstow |
| Cordylanthus tenuis | ssp. pallescens | Pallid Bird's Beak | BLM Sensitive, California Native Plant Society List 1B | S | Redding |
| Coreopsis hamiltonii | | Mount Hamilton Coreopsis | BLM Sensitive, California Native Plant Society List 1B | K | Hollister |
| Croton wigginsii | | Wiggins' Croton | California State Rare, California Native Plant Society List 2 | K | El Centro |
| Cryptantha crinita | | Silky Cryptantha | BLM Sensitive, California Native Plant Society List 1B | K | Redding |
| Cryptantha ganderi | | Gander's Cryptantha | BLM Sensitive, California Native Plant Society List 1B | S | Palm Springs |
| Cryptantha mariposae | | Mariposa Cryptantha | BLM Sensitive, California Native Plant Society List 1B | K | Mother Lode |
| Cryptantha roosiorum | | Bristlecone Cryptantha | California State Rare, California Native Plant Society List 1B | K | Ridgecrest, Bishop |
| Cryptantha schoolcraftii | | Schoolcraft's Cryptantha | BLM Sensitive, California Native Plant Society NV Watch | K | Surprise |
| Cupressus arizonica | ssp. nevadensis | Piute Cypress | BLM Sensitive, California Native Plant Society List 1B | K | Bakersfield |
| Cupressus forbesii | | Tecate Cypress | BLM Sensitive, California Native Plant Society List 1B | K | Palm Springs |
| Cusickiella quadricostata | | Bodie Hills Cusickiella | BLM Sensitive, California Native Plant Society List 1B | K | Bishop |
| Cymopterus deserticola | | Desert Cymopterus | BLM Sensitive, California Native Plant Society List 1B | K | Barstow, Ridgecrest |
| Cymopterus ripleyi | var. saniculoides | Ripley's Cymopterus | BLM Sensitive, California Native Plant Society List 1B | K | Ridgecrest |
| Cypripedium fasciculatum | | Clustered Lady's Slipper | BLM Sensitive, California Native Plants Society List 4 | K | Redding |
| Cypripedium montanum | | Mountain Lady's Slipper | BLM Sensitive, California Native Plants Society List 4 | K | Redding |
| Dalea ornata | | Ornate Dalea | BLM Sensitive, California Native Plant Society List 2 | K | Eagle Lake |
| Dedeckera eurekensis | | July Gold | California State Rare, California Native Plant Society List 1B | K | Ridgecrest, Bishop |
| Deinandra conjugens Also listed under (Hemizonia conjugens) | | Otay Tarplant | Federal Threatened, California State Endangered, California Native Plant Society List 1B | K | Palm Springs |
| Deinandra floribunda | | Tecate Tarplant | BLM Sensitive, California Native Plant Society List 1B | K | Palm Springs |
| Deinandra halliana | | Hall's Tarplant | BLM Sensitive, California Native Plant Society List 1B | K | Hollister |
| Deinandra increscens | ssp. villosa | Gaviota Tarplant | Federal Endangered, California State Endangered, California Native Plant Society List 1B | S | Bakersfield |
| Deinandra minthornii | | Santa Suzana Tarplant | California State Rare, California Native Plant Society List 1B | S | Palm Springs |
| Deinandra mohavensis | | Mojave Tarplant | California State Endangered, California Native Plant Society List 1B | K in Ridgecrest, S in Barstow | Ridgecrest, Barstow |
| Delphinium hesperium | ssp. cuyamaceae | Cuyamaca Larkspur | California State Rare, California Native Plant Society List 1B | S | Palm Springs |
| Delphinium parryi | ssp. blochamaniae | Dune Larkspur | BLM Sensitive, California Native Plant Society List 1B | S | Bakersfield |
| Delphinium purpusii | | Kern County Larkspur | BLM Sensitive, California Native Plant Society List 1B | K | Bakersfield |
| Delphinium recurvatum | | Recurved Larkspur | BLM Sensitive, California Native Plant Society List 1B | K | Hollister, Bakersfield |
| Delphinium umbraculorum | | Umbrella Larkspur | BLM Sensitive, California Native Plant Society List 1B | S | Bakersfield |
| Dendriscocaulon intricatulum | | Northern Moon Shrub | BLM Sensitive | S in Arcata, K in Redding | Arcata, Redding |
| Dermocybe humboldtensis | | Little Green Mushroom | BLM Sensitive | K | Arcata |
| Dichanthelium lanuginosum | var. thermale | Geyser's Dichanthelium | California State Endangered, California Native Plant Society List 1B | S | Ukiah |
| Dithyrea maritima | | Beach Spectaclepod | California State Threatened, California Native Plant Society List 1B | S | Palm Springs, Bakersfield |
| Dodecahema leptoceras | | Slender-Horned Spineflower | Federal Endangered, California State Endangered, California Native Plant Society List 1B | K | Palm Springs |
| Dudleya abramsii | ssp. murina | San Luis Obispo Dudleya | BLM Sensitive, California Native Plant Society List 1B | S | Bakersfield |
| Dudleya cymosa | ssp. marcescens | Santa Monica Mountains Dudleya | Federal Threatened, California State Rare, California Native Plant Society List 1B | S | Palm Springs |
| Dudleya multicaulis | | Many-Stemmed Dudleya | BLM Sensitive, California Native Plant Society List 1B | K | Palm Springs |
| Dudleya saxosa | ssp. saxosa | Panamint Dudleya | BLM Sensitive, California Native Plant Society List 1B | S | Ridgecrest |
| Dudleya variegata | | Variegated Dudleya | BLM Sensitive, California Native Plant Society List 1B | K | Palm Springs |
| Echinocereus engelmannii | var. howei | Howe's Hedgehog Cactus | BLM Sensitive, California Native Plant Society List 1B | K | Needles |
| Enceliopsis covillei | | Panamint Daisy | BLM Sensitive, California Native Plant Society List 1B | K | Ridgecrest |
| Entoloma nitidum | | Indigo Entoloma | BLM Sensitive | K | Arcata |
| Epilobium oreganum | | Oregon Fireweed | BLM Sensitive, California Native Plant Society List 1B | S | Redding |
| Epilobium siskiyouense | | Siskiyou Fireweed | BLM Sensitive, California Native Plants Society List 1B | S | Redding |
| Eremalche kernensis | | Kern Mallow | Federal Endangered, California Native Plant Society List 1B | K | Bakersfield |
| Eriastrum brandegeae | | Brandegee's Eriastrum | BLM Sensitive, California Native Plant Society List 1B | K | Ukiah, Redding |
| Eriastrum densifolium | ssp. sanctorum | Santa Ana River Woolystar | Federal Endangered, California State Endangered, California Native Plant Society List 1B | K | Palm Springs |
| Eriastrum hooveri | | Hoover's Woolystar | Federal Threatened, California Native Plant Society List 4 | K | Hollister, Bakersfield |
| Eriastrum luteum | | Yellow-Flowered Eriastrum | BLM Sensitive, California Native Plant Society List 1B | K | Bakersfield |
| Eriastrum tracyi | | Tracy's Eriastrum | California State Rare, California Native Plant Society List 1B | S | Redding |
| Ericameria fasciculata | | Eastwood's Goldenbush | BLM Sensitive, California Native Plant Society List 1B | K | Hollister |
| Erigeron aequifolius | | Hall's Daisy | BLM Sensitive, California Native Plant Society List 1B | K | Ridgecrest |
| Erigeron blochmaniae | | Blochman's Leafy Daisy | BLM Sensitive, California Native Plant Society List 1B | K | Bakersfield |
| Erigeron multiceps | | Kern River Daisy | BLM Sensitive, California Native Plant Society List 1B | S | Bakersfield |
| Erigeron parishii | | Parish's Daisy | Federal Threatened, California Native Plant Society List 1B | K | Palm Springs, Barstow |
| Eriodictyon altissimum | | Indian Knob Mountainbalm | Federal Endangered, California State Endangered, California Native Plant Society List 1B | S | Bakersfield |
| Eriogonum apricum | var. apricum | Ione Buckwheat | Federal Endangered, California State Endangered, California Native Plant Society List 1B | K | Mother Lode |
| Eriogonum bifurcatum | | Forked Buckwheat | BLM Sensitive, California Native Plant Society List 1B | K | Barstow |
| Eriogonum crosbyae | | Crosby's Buckwheat | BLM Sensitive, California Native Plant Society NV Watch | K | Surprise |
| Eriogonum eremicola | | Wildrose Canyon Buckwheat | BLM Sensitive, California Native Plant Society List 1B | K in Ridgecrest, S in Bishop | Ridgecrest, Bishop |
| Eriogonum ericifolium | var. thornei | Thorne's Buckwheat | California State Endangered, California Native Plant Society List 1B | K | Needles |
| Eriogonum heermannii | var. occidentale | Western Heerman's Buckwheat | BLM Sensitive, California Native Plant Society List 4 | K | Hollister |
| Eriogonum kelloggii | | Kellogg's Buckwheat | Federal Candidate; California State Endangered; California Native Plant Society List 1B. | K | Arcata |
| Eriogonum kennedyi | var. pinicola | Kern Buckwheat | BLM Sensitive, California Native Plant Society List 1B | K | Ridgecrest, Bakersfield |
| Eriogonum microthecum | var. panamintense | Panamint Mountains Buckwheat | BLM Sensitive, California Native Plant Society List 1B | K | Bishop, Ridgecrest |
| Eriogonum nervulosum | | Snow Mountain Buckwheat | BLM Sensitive, California Native Plant Society List 1B | K | Ukiah |
| Eriogonum nudum | var. murinum | Mouse Buckwheat | BLM Sensitive, California Native Plant Society List 1B | K | Bakersfield, Hollister |
| Eriogonum ovalifolium | var. vineum | Cushenberry Buckwheat | Federal Endangered, California Native Plant Society List 1B | K | Barstow |
| Eriogonum prociduum | | Prostrate Buckwheat | Bureau of Land Management Sensitive, California Native Plant Society List 1B and Northern Nevada Native Plant Society Watch List. | K | Alturas |
| Eriogonum temblorense | | Temblor Buckwheat | BLM Sensitive, California Native Plant Society List 1B | K | Bakersfield |
| Eriogonum umbellatum | var. glaberrimum | Green Buckwheat | BLM Sensitive, California Native Plant Society List 1B.3 | S in both Alturas and Surprise | Surprise, Alturas |
| Eriophyllum mohavense | | Barstow Woolly-Sunflower | BLM Sensitive, California Native Plant Society List 1B | K | Barstow, Ridgecrest |
| Erysimum ammophilum | | Coast Wallflower | BLM Sensitive, California Native Plant Society List 1B | K | Hollister |
| Erysimum menziesii | ssp. eurekense | Humboldt Bay Wallflower | Federal Endangered, California State Endangered, California Native Plant Society List 1B | K | Arcata |
| Erythronium citrinum | ssp. roderickii | Scott Mountain Fawn Lily | BLM Sensitive, California Native Plant Society List 1B | S | Redding |
| Erythronium tuolumnense | | Tuolumne Fawn-Lily | BLM Sensitive, California Native Plant Society List 1B | K | Mother Lode |
| Eschscholzia minutiflora | ssp. twisselmannii | Red Rock Poppy | BLM Sensitive, California Native Plant Society List 1B | K | Ridgecrest |
| Eschscholzia rhombipetala | | Diamond-Petaled California Poppy | BLM Sensitive, California Native Plant Society List 1B | S | Bakersfield |
| Fremontodendron decumbens | | Pine Hill Flannelbush | Federal Endangered, California State Rare, California Native Plant Society List 1B | K | Mother Lode |
| Fremontodendron mexicanum | | Mexican Flannelbush | Federal Endangered, California State Rare, California Native Plant Society List 1B | K | Palm Springs, El Centro |
| Fritillaria falcata | | Talus Fritillary | BLM Sensitive, California Native Plant Society List 1B | K | Hollister |
| Fritillaria gentneri | | Gentner's Fritillaria | Federal Endangered, California Native Plant Society Not listed | K | Redding |
| Fritillaria ojaiensis | | Ojai Fritillary | BLM Sensitive, California Native Plant Society List 1B | S | Bakersfield |
| Fritillaria pluriflora | | Adobe Lily | BLM Sensitive, California Native Plant Society List 1B | K | Ukiah |
| Fritillaria striata | | Striped Adobe-Lily | California State Threatened, California Native Plant Society List 1B | S | Bakersfield |
| Fritillaria viridea | | San Benito Fritillary | BLM Sensitive, California Native Plant Society List 1B | K | Hollister |
| Galium angustifolium | ssp. onycense | Onyx Peak Bedstraw | BLM Sensitive, California Native Plant Society List 1B | K | Bakersfield |
| Galium californicum | ssp. primum | California Bedstraw | BLM Sensitive, California Native Plant Society List 1B | S | Palm Springs |
| Galium californicum | ssp. sierrae | El Dorado Bedstraw | Federal Endangered, California State Rare, California Native Plant Society List 1B | K | Mother Lode |
| Galium glabrescens | ssp. modocense | Modoc Bedstraw | BLM Sensitive, California Native Plant Society List 1B | K | Surprise |
| Galium grande | | San Gabriel Bedstraw | BLM Sensitive, California Native Plant Society List 1B | S | Palm Springs |
| Galium hardhamiae | | Hardham's Bedstraw | BLM Sensitive, California Native Plant Society List 1B | K | Bakersfield |
| Galium hilendiae | ssp. kingstonense | Kingston Bedstraw | BLM Sensitive, California Native Plant Society List 1B | K | Barstow, Needles |
| Gentiana setigera | | Mendocino Gentian | California Native Plant Society List 1B and Bureau of Land Management Sensitive. | K | Arcata |
| Gilia millefoliata | | Dark-Eyed Gilia | BLM Sensitive, California Native Plant Society List 1B | K | Arcata |
| Gilia tenuiflora | ssp. arenaria | Sand Gilia | Federal Endangered, California State Threatened, California Native Plant Society List 1B | K | Hollister |
| Glossopetalon pungens | | Pungent Glossopetalon | BLM Sensitive, California Native Plant Society List 1B | K | Needles |
| Gratiola heterosepala | | Boggs Lake Hedge Hyssop | California State Endangered, California Native Plant Society List 1B | K | Redding, Alturas, Hollister, Eagle Lake, Bakersfield |
| Grindelia fraxino-pratensis | | Ash Meadows Gum-Plant | Federal Threatened, California Native Plant Society List 1B | K | Barstow |
| Gymnopilus punctifolius | | Blue-Green Gymnopilus | BLM Sensitive | K | Arcata |
| Harmonia doris-nilesiae | | Niles's Harmonia | BLM Sensitive, California Native Plant Society List 1B | S | Redding |
| Harmonia hallii | | Hall's Harmonia | BLM Sensitive, California Native Plant Society List 1B | K | Ukiah |
| Harmonia stebbinsii | | Stebbins's Harmonia | BLM Sensitive, California Native Plant Society List 1B | K | Redding |
| Hazardia orcuttii | | Orcutt's Hazardia | BLM Sensitive, California Native Plant Society List 1B | S | Palm Springs |
| Helianthella castanea | | Diablo Rock-Rose | BLM Sensitive, California Native Plant Society List 1B | S | Hollister |
| Helianthus niveus | ssp. tephrodes | Algodones Dunes Sunflower | California State Endangered, California Native Plant Society List 1B | K | El Centro |
| Hesperolinon adenophyllum | | Glandular Western Flax | BLM Sensitive, California Native Plant Society List 1B | K | Ukiah |
| Hesperolinon breweri | | Brewer's Dwarf Flax | BLM Sensitive, California Native Plant Society List 1B | S | Ukiah |
| Hesperolinon didymocarpum | | Lake County Dwarf Flax | California State Endangered, California Native Plant Society List 1B | S | Ukiah |
| Hesperolinon drymarioides | | Drymaria-Like Western Flax | BLM Sensitive, California Native Plant Society List 1B | K | Ukiah |
| Hesperolinon serpentinum | | Napa Western Flax | BLM Sensitive, California Native Plant Society List 1B | K | Ukiah |
| Hesperolinon tehamense | | Tehama County Western Flax | BLM Sensitive, California Native Plant Society List 1B | K | Redding |
| Heterodermia leucomelos | | Ciliate Strap-Lichen | BLM Sensitive | K | Arcata |
| Heterotheca shevockii | | Shevock's Hairy Golden-Aster | BLM Sensitive, California Native Plant Society List 1B | S | Bakersfield |
| Horkelia hendersonii | | Henderson's Horkelia | BLM Sensitive, California Native Plant Society List 1B | S | Redding |
| Horkelia parryi | | Parry's Horkelia | BLM Sensitive, California Native Plant Society List 1B | K | Mother Lode |
| Hydropus marginellus | | Little Brown Mushroom | BLM Sensitive | K | Arcata |
| Iris munzii | | Munz's Iris | BLM Sensitive, California Native Plant Society List 1B | S | Bakersfield |
| Ivesia aperta | var. aperta | Sierra Valley Ivesia | BLM Sensitive, California Native Plant Society List 1B | K | Eagle Lake |
| Ivesia jaegeri | | Jaeger's Ivesia | BLM Sensitive, California Native Plant Society List 1B | K | Needles |
| Ivesia kingii | ssp. kingii | Alkali Ivesia | BLM Sensitive, California Native Plant Society List 1B | K | Bishop |
| Ivesia longibracteata | | Castle Crags Ivesia | BLM Sensitive, California Native Plant Society List 1B | S | Redding |
| Ivesia paniculata | | Ash Creek Ivesia | BLM Sensitive, California Native Plant Society List 1B | K | Alturas |
| Ivesia patellifera | | Kingston Mountains Ivesia | BLM Sensitive, California Native Plant Society List 1B | K | Barstow, Needles |
| Ivesia pickeringii | | Pickering's Ivesia | BLM Sensitive, California Native Plant Society List 1B | S | Redding |
| Ivesia rhypara | var. rhypara | Grimy Ivesia | BLM Sensitive, California Native Plant Society NV Watch | K | Surprise |
| Ivesia sericoleuca | | Plumas Ivesia | BLM Sensitive, California Native Plant Society List 1B.2 | S | Eagle Lake |
| Ivesia webberi | | Webber's Ivesia | Federal Candidate, BLM Sensitive, California Native Plant Society List 1B | K | Eagle Lake |
| Juncus leiospermus | var. leiospermus | Red Bluff Dwarf Rush | BLM Sensitive, California Native Plant Society List 1B | K | Redding |
| Kaemefeltia californica | | Seaside Thornbush | BLM Sensitive | K | Arcata |
| Lasthenia conjugens | | Contra Costa Goldfields | Federal Endangered, California Native Plant Society List 1B | K | Hollister |
| Lasthenia glabrata | ssp. coulteri | Coulter's Goldfields | BLM Sensitive, California Native Plant Society List 1B | K | Bakersfield |
| Layia carnosa | | Beach Layia | Federal Endangered, California State Endangered, California Native Plant Society List 1B | K | Arcata |
| Layia discoidea | | Rayless Layia, Rayless Tidytips | BLM Sensitive, California Native Plant Society List 1B | K | Hollister |
| Layia heterotricha | | Pale-Yellow Layia | BLM Sensitive, California Native Plant Society List 1B | K | Hollister, Bakersfield |
| Layia jonesii | | Jones' Layia | BLM Sensitive, California Native Plant Society List 1B | K in Hollister, S in Bakersfield | Hollister, Bakersfield |
| Layia leucopappa | | Comanche Point Layia | BLM Sensitive, California Native Plant Society List 1B | S | Bakersfield |
| Layia munzii | | Munz's Tidy-Tips | BLM Sensitive, California Native Plant Society List 1B | K | Bakersfield |
| Layia septentrionalis | | Colusa Layia | BLM Sensitive, California Native Plant Society List 1B | S | Ukiah, Redding |
| Legenere limosa | | Legenere | BLM Sensitive, California Native Plant Society List 1B | K | Redding |
| Lepechinia ganderi | | Gander's Pitcher-Sage | BLM Sensitive, California Native Plant Society List 1B | K | Palm Springs |
| Lepidium flavum | var. felipense | Borrego Valley Pepper-Grass | BLM Sensitive, California Native Plant Society List 1B | S | Palm Springs |
| Lepidium jaredii | ssp. album | Panoche Pepper-Grass | BLM Sensitive, California Native Plant Society List 1B | K | Hollister |
| Lepidium jaredii | ssp. jaredii | Jared's Pepper-Grass | BLM Sensitive, California Native Plant Society List 1B | K | Bakersfield |
| Leucogaster citrinus | | Yellow False Truffle | BLM Sensitive | K | Arcata |
| Lewisia cantelovii | | Cantelow's Lewisia | BLM Sensitive, California Native Plant Society List 1B | K | Mother Lode |
| Lewisia congdonii | | Congdon's Lewisia | California State Rare, California Native Plant Society List 1B | S | Hollister |
| Lewisia cotyledon | var. heckneri | Heckner's Lewisia | BLM Sensitive, California Native Plant Society List 1B | K | Redding |
| Lilium occidentale | | Western Lily | BLM Sensitive, California Native Plant Society List 1B | S | Arcata |
| Limnanthes bakeri | | Baker's Meadowfoam | California State Rare, California Native Plant Society List 1B | S | Arcata |
| Limnanthes floccosa | ssp. bellingeriana | Bellinger's Meadowfoam | BLM Sensitive, California Native Plant Society List 1B.2 | S | Alturas |
| Limnanthes floccosa | ssp. californica | Butte County Meadowfoam | Federal Endangered, California State Endangered, California Native Plant Society List 1B | S | Redding |
| Limnanthes gracilis | ssp. parishii | Parish's Meadowfoam | California State Endangered, California Native Plant Society List 1B | S | Palm Springs |
| Linanthus maculatus | | Little San Bernardino Mountains Linanthus | BLM Sensitive, California Native Plant Society List 1B | K | Barstow, Palm Springs |
| Linanthus nuttallii | ssp. howellii | Mount Tedoc Linanthus | BLM Sensitive, California Native Plant Society List 1B | S | Redding |
| Linanthus orcuttii | | Orcutt's Linanthus | BLM Sensitive, California Native Plant Society List 1B | S | Palm Springs |
| Lobaria oregano | | Lettuce Lung | BLM Sensitive | K | Arcata |
| Loeflingia squarrosa | var. artemisiarum | Sagebrush Loeflingia | BLM Sensitive, California Native Plant Society List 2 | K | Eagle Lake, Bishop, Surprise |
| Lomatium congdonii | | Congdon's Lomatium | BLM Sensitive, California Native Plant Society List 1B | K | Mother Lode |
| Lomatium shevockii | | Owens Peak Lomatium | BLM Sensitive, California Native Plant Society List 1B | K | Ridgecrest, Bakersfield |
| Lotus rubriflorus | | Red-Flowered Lotus | BLM Sensitive, California Native Plant Society List 1B | S | Redding |
| Lupinus citrinus | var. citrinus | Mariposa Lupine | BLM Sensitive, California Native Plant Society List 1B | S | Bakersfield |
| Lupinus citrinus | var. deflexus | Mariposa Lupine | California State Threatened, California Native Plant Society List 1B | K | Hollister |
| Lupinus dalesiae | | Quincy Lupine | BLM Sensitive, California Native Plant Society List 1B | S | Eagle Lake, Redding |
| Lupinus duranii | | Mono Lake Lupine | BLM Sensitive, California Native Plant Society List 1B | K | Bishop |
| Lupinus excubitus | var. medius | Mountain Springs Bush Lupine | BLM Sensitive, California Native Plant Society List 1B | K | Palm Springs, El Centro |
| Lupinus ludovicianus | | San Luis Obispo County Lupine | BLM Sensitive, California Native Plant Society List 1B | S | Bakersfield |
| Lupinus magnificus | ssp. magnificus | Panamint Mountains Lupine | BLM Sensitive, California Native Plant Society List 1B | K | Ridgecrest, Bishop |
| Lupinus spectabilis | | Shaggyhair Lupine | BLM Sensitive, California Native Plant Society List 1B | K | Mother Lode |
| Lupinus uncialis | | Lilliput Lupine | BLM Sensitive, California Native Plant Society List 2 | K | Alturas |
| Machaeranthera asteroides | var. lagunensis | Laguna Mountains Aster | California State Rare, California Native Plant Society List 2 | K | El Centro |
| Madia radiata | | Showy Madia | BLM Sensitive, California Native Plant Society List 1B | K | Bakersfield, Hollister |
| Malacothamnus aboriginum | | Indian Valley Bush Mallow | BLM Sensitive, California Native Plant Society List 1B | K | Hollister |
| Malacothamnus palmeri | var. involucratus | Carmel Valley Bush-Mallow | BLM Sensitive, California Native Plant Society List 1B | K | Hollister |
| Malacothrix saxatilis | var. arachnoidea | Carmel Valley Malacothrix | BLM Sensitive, California Native Plant Society List 1B | S | Hollister |
| Mimulus evanescens | | Ephemeral Monkeyflower | BLM Sensitive, California Native Plant Society List 1B | K | Eagle Lake, Alturas |
| Mimulus filicaulis | | Slender-Stemmed Monkeyflower | BLM Sensitive, California Native Plant Society List 1B | K | Mother Lode |
| Mimulus gracilipes | | Slender-Stalked Monkeyflower | BLM Sensitive, California Native Plant Society List 1B | S | Bakersfield |
| Mimulus mohavensis | | Mojave Monkeyflower | BLM Sensitive, California Native Plant Society List 1B | K | Barstow |
| Mimulus norrisii | | Kaweah Monkeyflower | BLM Sensitive, California Native Plant Society List 1B | K | Bakersfield |
| Mimulus pictus | | Calico Monkeyflower | BLM Sensitive, California Native Plant Society List 1B | K | Bakersfield |
| Mimulus shevockii | | Kelso Creek Monkeyflower | BLM Sensitive, California Native Plant Society List 1B | K | Bakersfield, Ridgecrest |
| Minuartia howellii | | Howell's Sandwort | BLM Sensitive, California Native Plant Society List 1B | S | Redding |
| Minuartia stolonifera | | Scott Mountain Sandwort | BLM Sensitive, California Native Plant Society List 1B | S | Redding |
| Monardella antonina | ssp. benitensis | San Benito Monardella | BLM Sensitive, California Native Plant Society List 4 | K | Hollister |
| Monardella beneolens | | Sweet-Smelling Monardella | BLM Sensitive, California Native Plant Society List 1B | K | Ridgecrest |
| Monardella crispa | | Crisp Monardella | BLM Sensitive, California Native Plant Society List 1B | K | Bakersfield |
| Monardella douglasii | var. venosa | Veiny Monardella | BLM Sensitive, California Native Plant Society List 1B | S | Redding |
| Monardella frutescens | | San Luis Obispo Monardella | BLM Sensitive, California Native Plant Society List 1B | S | Bakersfield |
| Monardella robisonii | | Robison's Monardella | BLM Sensitive, California Native Plant Society List 1B | K | Barstow, Palm Springs |
| Monardella villosa | ssp. globosa | Robust Monardella | BLM Sensitive, California Native Plant Society List 1B | S | Arcata |
| Monolopia congdonii | | San Joaquin Woolly Threads | Federal Endangered, California Native Plant Society List 1B | K | Hollister, Bakersfield |
| Muilla clevelandii | | San Diego Goldenstar | BLM Sensitive, California Native Plant Society List 1B | S | Palm Springs |
| Mycena quinaultensis | | Little Brown Mushroom | BLM Sensitive | K | Arcata |
| Navarretia leucocephala | ssp. bakeri | Baker's Navarretia | BLM Sensitive, California Native Plant Society List 1B | S | Redding |
| Navarretia setiloba | | Piute Mountains Navarretia | BLM Sensitive, California Native Plant Society List 1B | K | Bakersfield |
| Nemacladus twisselmannii | | Twisselmann's Nemacladus | California State Rare, California Native Plant Society List 1B | S | Bakersfield |
| Nephroma bellum | | Lichen | Sensitive | K | Arcata |
| Neviusia cliftonii | | Shasta Snow-Wreath | BLM Sensitive, California Native Plant Society List 1B | S | Redding |
| Niebla cephalota | | Powdery Fog Lichen | BLM Sensitive | K | Arcata |
| Nitrophila mohavensis | | Amargosa Nitrophila | Federal Endangered, California State Endangered, California Native Plant Society List 1B | K | Barstow |
| Nolina interrata | | Dehesa Nolina, Bear Grass | California State Endangered, California Native Plant Society List 1B | S | Palm Springs |
| Oenothera wolfii | | Wolf's Evening-Primrose | BLM Sensitive, California Native Plant Society List 1B | S | Arcata |
| Opuntia basilaris | var. brachyelada | Short-Joint Beavertail Cactus | Federal Endangered, California State Endangered, California Native Plant Society List 1B | S | Barstow, Needles |
| Opuntia basilaris | var. treleasei | Bakersfield Cactus | BLM Sensitive, California Native Plant Society List 1B | S | Bakersfield |
| Opuntia munzii | | Munz Cholla | BLM Sensitive, California Native Plant Society List 1B | K | Palm Springs, El Centro |
| Orcuttia californica | | California Orcutt Grass | Federal Endangered, California State Endangered, California Native Plant Society List 1B | S | Palm Springs |
| Orcuttia inaequalis | | San Joaquin Valley Orcutt Grass | Federal Threatened, California State Endangered, California Native Plant Society List 1B | K | Hollister, Bakersfield |
| Orcuttia pilosa | | Hairy Orcutt Grass | Federal Endangered, California State Endangered, California Native Plant Society List 1B | S | Redding |
| Orcuttia tenuis | | Slender Orcutt Grass | Federal Threatened, California State Endangered, California Native Plant Society List 1B | K | Redding, Alturas |
| Oreostemma elatum | | Tall Alpine Aster | BLM Sensitive, California Native Plant Society List 1B | S | Eagle Lake |
| Orthocarpus pachystachyus | | Shasta Orthocarpus | BLM Sensitive, California Native Plant Society List 1B | S | Redding |
| Orthodontium gracile | | Slender Thread Moss | BLM Sensitive | S | Arcata |
| Orthotrichum shevockii | | Moss | BLM Sensitive, California Native Plants Society List 1B | S | Bakersfield |
| Oryzopsis exigua (Syn= Piptatherum exiguum) | | Little Ricegrass | BLM Sensitive, California Native Plant Society List 2.3 | K | Alturas, Eagle Lake |
| Otidea onotica | | Fungus | BLM Sensitive | S | Arcata |
| Oxytheca parishii | var. goodmaniana | Cushenberry Oxytheca | Federal Endangered, California Native Plant Society List 1B | K | Barstow |
| Packera layneae | | Layne's Butterweed | Federal Threatened, California State Rare, California Native Plant Society List 1B | K in Folsom, S in Redding | Mother Lode, Redding |
| Palafoxia arida | var. gigantea | Giant Spanish Needle | BLM Sensitive, California Native Plant Society List 1B | K | El Centro |
| Pannaria rubiginosa | | Petalled Mouse | BLM Sensitive | K | Arcata |
| Parnassia cirrata | | Fringed Grass-of Parnassus | BLM Sensitive, California Native Plants Society List 1B | S | Redding |
| Paronychia ahartii | | Ahart's Paronychia | BLM Sensitive, California Native Plant Society List 1B | K | Redding |
| Pedicularis centranthera | | Dwarf Lousewort | BLM Sensitive, California Native Plant Society List 2 | K | Eagle Lake |
| Penstemon albomarginatus | | White-Margined Beardtongue | BLM Sensitive, California Native Plant Society List 1B | K | Barstow |
| Penstemon filiformis | | Thread-Leaved Beardtongue | BLM Sensitive, California Native Plant Society List 1B | S | Redding |
| Penstemon fruticiformis | var. amargosae | Death Valley Beardtongue | BLM Sensitive, California Native Plant Society List 1B | K | Barstow |
| Penstemon personatus | | Closed-Throated Beardtongue | BLM Sensitive, California Native Plant Society List 1B | S | Redding |
| Penstemon stephensii | | Stephen's Beardtongue | BLM Sensitive, California Native Plant Society List 1B | K | Needles |
| Penstemon sudans | | Susanville Beardtongue | BLM Sensitive, California Native Plant Society List 1B | K | Eagle Lake |
| Pentachaeta exilis | ssp. aeolica | Slender Pentachaeta | BLM Sensitive, California Native Plant Society List 1B | K | Hollister |
| Perityle inyoensis | | Inyo Laphamia | BLM Sensitive, California Native Plant Society List 1B | K | Ridgecrest, Bishop |
| Perityle villosa | | Hanaupah Laphamia | BLM Sensitive, California Native Plant Society List 1B | K | Ridgecrest |
| Petalonyx thurberi | ssp. gilmanii | Death Valley Sandpaper Plant | BLM Sensitive, California Native Plant Society List 1B | K | Barstow, Ridgecrest |
| Phacelia cookei | | Cooke's Phacelia | BLM Sensitive, California Native Plant Society List 1B | S | Redding |
| Phacelia greenei | | Scott Valley Phacelia | BLM Sensitive, California Native Plant Society List 1B | K | Redding |
| Phacelia inundata | | Playa Phacelia | BLM Sensitive, California Native Plant Society List 1B.3; Nevada Native Society Watch Species | K Eagle Lake, S Suprise, S Alturas | Eagle Lake, Alturas, Surprise |
| Phacelia leonis | | Siskiyou Phacelia | BLM Sensitive, California Native Plant Society List 1B | S | Redding |
| Phacelia monoensis | | Mono County Phacelia | BLM Sensitive, California Native Plant Society List 1B | K | Bishop |
| Phacelia mustelina | | Death Valley Round-Leaved Phacelia | BLM Sensitive, California Native Plant Society List 1B | S | Ridgecrest |
| Phacelia nashiana | | Charlotte's Phacelia | BLM Sensitive, California Native Plant Society List 1B | K | Bakersfield, Ridgecrest |
| Phacelia novenmillensis | | Nine Mile Canyon Phacelia | BLM Sensitive, California Native Plant Society List 1B | K | Bakersfield, Ridgecrest |
| Phacelia parishii | | Parish's Phacelia | BLM Sensitive, California Native Plant Society List 1B | K | Barstow |
| Phacelia phacelioides | | Mount Diablo Phacelia | BLM Sensitive, California Native Plant Society List 1B | S | Hollister |
| Phaeocollybia californica | | California Phaeocollybia | BLM Sensitive | K | Arcata |
| Phaeocollybia olivacea | | Olive Phaeocollybia | BLM Sensitive | K | Arcata |
| Phaeocollybia piceae | | Spruce Phaeocollybia | BLM Sensitive | K | Arcata |
| Phaeocollybia pseudofestiva | | Phaeocollybia | BLM Sensitive | S | Arcata |
| Phaeocollybia scatesiae | | Phaeocollybia | BLM Sensitive | K | Arcata |
| Phaeocollybia spadicea | | Phaeocollybia | BLM Sensitive | K | Arcata |
| Phlox hirsuta | | Yreka Phlox | Federal Endangered, California State Endangered, California Native Plant Society List 1B | S | Redding |
| Pholisma sonorae | | Sand Food | K | | El Centro |
| Plagiobothrys uncinatus | | Hooked Popcorn-Flower | BLM Sensitive, California Native Plant Society List 1B | S | Bakersfield |
| Pleuropogon hooverianus | | Hoover's Semaphore Grass | California State Rare, California Native Plant Society List 1B | S | Arcata |
| Pogogyne floribunda | | Profuse-Flowered Pogogyne | BLM Sensitive, California Native Plant Society List 1B | K in Alturas, S in Redding | Alturas, Redding |
| Pogogyne nudiuscula | | Otay Mesa Mint | Federal Endangered, California State Endangered, California Native Plant Society List 1B | S | Palm Springs |
| Polyctenium williamsiae | | Williams's Combleaf | BLM Sensitive, California Native Plant Society List 1B.2; Nevada Native Plant Society Threatened; Nevada critcally endangered. | S in Alturas, S in Surprise, S Eagle Lake | Eagle Lake, Alturas, Surprise |
| Polygonum polygaloides | ssp. esotericum | Modoc County Knotweed | BLM Sensitive, California Native Plant Society List 1B | K | Alturas |
| Polyozellus multiplex | | Blue Chanterelle | BLM Sensitive | S | Arcata, Redding |
| Potentilla basaltica | | Black Rock Potentilla | Federal Candidate, BLM Sensitive, California Native Plant Society List 1B.3; Federal Candidate; Nevada Native Plant Society Threatened. | K in Alturas, S in Surprise | Alturas, Surprise |
| Pseudobahia bahiifolia | | Hartweg's Pseudobahia | Federal Endangered, California State Endangered, California Native Plant Society List 1B | S | Hollister |
| Pseudobahia peirsonii | | Tulare Pseudobahia | Federal Threatened, California State Endangered, California Native Plant Society List 1B | S | Bakersfield |
| Ptilidium californicum | | Pacific Fuzzwort | BLM Sensitive | K in Arcata, S in Redding | Arcata, Redding |
| Puccinellia howellii | | Howell's Alkali-Grass | BLM Sensitive, California Native Plant Society List 1B | S | Redding |
| Puccinellia parishii | | Parish's Alkaligrass | BLM Sensitive, California Native Plant Society List 1B | S | Barstow |
| Raillardella pringlei | | Showy Raillardella | BLM Sensitive, California Native Plant Society List 1B | S | Redding |
| Ramalina pollinaria | | Dusty Ramalina | BLM Sensitive | K | Arcata |
| Ramaria amyloidea | | Pinkish Coral Mushroom | BLM Sensitive | K | Arcata |
| Ramaria aurantiisiccescens | | Yellow Coral Mushroom | BLM Sensitive | K | Arcata |
| Ramaria cyaneigranosa | | Pinkish Coral Mushroom | BLM Sensitive | S | Arcata |
| Ramaria largentii | | Orange Coral Mushroom | BLM Sensitive | K | Arcata |
| Rhynchospora californica | | California Beaked-Rush | BLM Sensitive, California Native Plant Society List 1B | S | Redding |
| Ribes canthariforme | | Moreno Currant, San Diego Currant | BLM Sensitive, California Native Plant Society List 1B | S | Palm Springs |
| Ribes tularense | | Sequoia Gooseberry | BLM Sensitive, California Native Plant Society List 1B | K | Bakersfield |
| Rorippa columbiae | | Columbia Yellow Cress | BLM Sensitive, California Native Plant Society List 1B.2 | S | Eagle Lake, Redding, Alturas, Surprise |
| Rupertia hallii | | Hall's Rupertia | BLM Sensitive, California Native Plant Society List 1B | K | Redding |
| Sagittaria sanfordii | | Sanford's Arrowhead | BLM Sensitive, California Native Plant Society List 1B | K | Redding |
| Sanicula saxatilis | | Rock Sanicle | California State Rare, California Native Plant Society List 1B | S | Hollister |
| Sanicula tracyii | | Tracy's Sanicle | This is on List 4, (watch list of the CA Native Plant Society) and is not a BLM sensitive species. California Native Plant Society List 1B and Bureau of Land Management Sensitive. | K | Arcata |
| Sarcodon fuscoindicus | | Violet Hedgehog | BLM Sensitive | K | Arcata |
| Galium serpenticum | ssp. scotticum | Scott Mountain Bedstraw | BLM Sensitive, California Native Plant Society List 1B | K | Redding |
| Sedum albomarginatum | | Feather River Stonecrop | BLM Sensitive, California Native Plant Society List 1B | S | Redding |
| Sedum eastwoodiae | | Red Mountain Stonecrop | Federal ; California State Endangered; and California Native Plant Society List 1B. | K | Arcata |
| Sedum paradisum | | Canyon Creek Stonecrop | BLM Sensitive, California Native Plant Society List 1B | K | Redding |
| Senecio clevelandii | var. heterophyllus | Red Hills Ragwort | BLM Sensitive, California Native Plant Society List 1B | K | Mother Lode |
| Senecio eurycephalus | var. lewisrosei | Cut-Leaved Ragwort | BLM Sensitive, California Native Plant Society List 1B | K | Redding |
| Senecio ganderi | | Gander's Ragwort | California State Rare, California Native Plant Society List 1B | S | Palm Springs |
| Sidalcea covillei | | Owens Valley Checker-Mallow | California State Endangered, California Native Plant Society List 1B | K | Bishop |
| Sidalcea hickmanii | ssp. anomala | Cuesta Pass Checkerbloom | California State Rare, California Native Plant Society List 1B | S | Hollister, Bakersfield |
| Sidalcea hickmanii | ssp. parishii | Parish's Checkerbloom | Federal Candidate, California State Rare, California Native Plant Society List 1B | S | Palm Springs |
| Sidalcea keckii | | Keck's Checkerbloom | Federal Endangered, California Native Plant Society List 1B | K | Bakersfield |
| Sidalcea malachroides | | Maple-Leaved Checkerbloom | BLM Sensitive, California Native Plant Society List 1B | K | Arcata |
| Sidalcea malvaeflora | ssp. patula | Siskiyou Checkerbloom | BLM Sensitive, California Native Plant Society List 1B | S | Arcata |
| Sidalcea oregana | ssp. eximia | Coast Checkerbloom | BLM Sensitive, California Native Plant Society List 1B | S | Arcata |
| Sidalcea robusta | | Butte County Checker-Mallow | BLM Sensitive, California Native Plant Society List 1B | K | Redding |
| Silene campanulata | ssp. campanulata | Red Mountain Catchfly | Federal Candidate; California State Endangered; California Native Plant Society List 1B. | K | Arcata |
| Silene occidentalis | ssp. longistipitata | Long-Stiped Campion | BLM Sensitive, California Native Plants Society List1B | S | Redding |
| Smilax jamesii | | English Peak Greenbriar | BLM Sensitive, California Native Plant Society List 1B | S | Redding |
| Sowerbyella rhenana | | Stalked Orange Peel Fungus | BLM Sensitive | S | Arcata |
| Sparassis crispa | | Cauliflower Fungus | BLM Sensitive | K | Arcata |
| Spathularia flavida | | Fairy Fan | BLM Sensitive | K | Arcata |
| Sphaeralcea rusbyi | var. eremicola | Rusby's Desert-Mallow | BLM Sensitive, California Native Plant Society List 1B | K | Needles |
| Stenotus lanuginosus | | Woolly Stenotus | BLM Sensitive, California Native Plant Society List 2.2 | K in Alturas, S in Eagle Lake | Alturas |
| Streptanthus albidus | ssp. albidus | Metcalf Canyon Jewel-Flower | Federal Endangered, California Native Plant Society List 1B | S | Hollister |
| Streptanthus brachiatus | ssp. brachiatus | Socrates Mine Jewelflower | BLM Sensitive, California Native Plant Society List 1B | K | Ukiah |
| Streptanthus brachiatus | ssp. hoffmanii | Freed's Jewelflower | BLM Sensitive, California Native Plant Society List 1B | K | Ukiah |
| Streptanthus callistus | | Mount Hamilton Jewel-Flower | BLM Sensitive, California Native Plant Society List 1B | S | Hollister |
| Streptanthus cordatus | ssp. piutensis | Piute Mountains Jewel-Flower | BLM Sensitive, California Native Plant Society List 1B | K in Bakersfield, S in Ridgecrest | Bakersfield, Ridgecrest |
| Streptanthus glandulosus | var. hoffmannii | Hoffmann's Jewel-Flower | BLM Sensitive, California Native Plant Society List 1B | S | Ukiah |
| Streptanthus morrisonii | ssp. hirtiflorus | Dorr's Cabin Jewelflower | BLM Sensitive, California Native Plant Society List 1B | S | Ukiah |
| Streptanthus morrisonii | ssp. kruckebergii | Kruckeberg's Jewelflower | BLM Sensitive, California Native Plant Society List 1B | K | Ukiah |
| Streptanthus morrisonii | ssp. elatus | Three Peaks Jewelflower | BLM Sensitive, California Native Plant Society List 1B | K | Ukiah |
| Streptanthus morrisonii | ssp. morrisonii | Morrison's Jewel-Flower | BLM Sensitive, California Native Plant Society List 1B | K | Ukiah |
| Streptanthus oliganthus | | Masonic Mountain Jewelflower | BLM Sensitive, California Native Plant Society List 1B | K | Bishop |
| Stylocline citroleum | | Oil Neststraw | BLM Sensitive, California Native Plant Society List 1B | S | Bakersfield |
| Stylocline masonii | | Mason Neststraw | BLM Sensitive, California Native Plant Society List 1B | S | Bakersfield |
| Teloschistes flavicans | | Orangebush Lichen | BLM Sensitive | S | Arcata |
| Tetracoccus dioicus | | Parry's Tetracoccus | BLM Sensitive, California Native Plant Society List 1B | K | Palm Springs |
| Tetraphis geniculata | | Bent-Kneed Four-Tooth Moss | BLM Sensitive | S | Arcata |
| Thelypodium howellii | var. howellii | Howell's Thelypodium | BLM Sensitive, California Native Plant Society List 1B.2; federal species of concern | K in Eagle Lake, S in Alturas and Surprise | Eagle Lake |
| Tortula californica | | Moss | BLM Sensitive, California Native Plant Society List 1B | S | Bakersfield |
| Trifolium buckwestiorum | | Santa Cruz Clover | BLM Sensitive, California Native Plant Society List 1B | K | Hollister |
| Trifolium dedeckerae | | DeDecker's Clover | BLM Sensitive, California Native Plant Society List 1B | S | Ridgecrest, Bakersfield |
| Trifolium jokerstii | | Butte County Golden Clover | BLM Sensitive, California Native Plant Society List 1B | K | Redding |
| Tuctoria greenei | | Greene's Orcutt Grass | Federal Endangered, California State Rare, California Native Plant Society List 1B | S | Hollister, Redding |
| Usnea longissima | | Long Beard Lichen | BLM Sensitive | K | Arcata |
| Verbena californica | | California Vervain | Federal Threatened, California State Threatened, California Native Plant Society List 1B | K | Mother Lode |
| Galium serpenticum | ssp. warnerense | Warner Mountains Bedstraw | BLM Sensitive, California Native Plant Society List 1B | S | Alturas, Surprise |
| Wyethia reticulata | | El Dorado Mule Ears | BLM Sensitive, California Native Plant Society List 1B | K | Mother Lode |
| Xylorhiza orcuttii | | Orcutt's Woody Aster | BLM Sensitive, California Native Plant Society List 1B | K | El Centro |
| | | | | | |