Scientific Name

Common Name

Madia hallii

Hall's madia

Madia stebbinsii

Stebbins's madia

Malacothamnus clementinus

San Clemente Island bush mallow

Malacothamnus hallii

Hall's bush mallow

Malacothamnus helleri

Heller's bush mallow

Malacothamnus mendocinensis

Mendocino bush mallow

Malacothamnus palmeri var. involucratus

Carmel Valley bush mallow

Malacothrix indecora

Santa Cruz Island malacothrix

Malacothrix saxatilis var. arachnoidea

Carmel Valley malacothrix

Malaxis monophyllos ssp. brachypoda

adder's-mouth

Maurandya petrophila

rock lady

Mentzelia hirsutissima

hairy stickleaf

Micropus amphibolus

Mt. Diablo cottonweed

Mimulus aridus

low bush monkeyflower

Mimulus flemingii

island bush monkeyflower

Mimulus mohavensis

Mojave monkeyflower

Mimulus norrisii

Kaweah monkeyflower

Mimulus pictus

calico monkeyflower

Mimulus pygmaeus

Egg Lake monkeyflower

Mimulus rupicola

rock midget

Mimulus shevockii

Kelso Creek monkeyflower

Minuartia rosei

Peanut sandwort

Monardella beneolens

sweet-smelling monardella

Monardella crispa

crisp monardella

Monardella frutescens

San Luis Obispo monardella

Monardella linoides ssp. viminea

willowy monardella

Monardella palmeri

Palmer's monardella

Monardella stebbinsii

Stebbins's monardella

Muilla clevelandii

San Diego goldenstar

Muilla coronata

crowned muilla

Navarretia fossalis

spreading navarretia

Navarretia heterandra

Tehama navarretia

Navarretia jepsonii

Jepson's navarretia

Navarretia leucocephala ssp. pauciflora

few-flowered navarretia

Navarretia leucocephala ssp. plieantha

many-flowered navarretia

Navarretia prolifera ssp. lutea

yellow bur navarretia

Navarretia setiloba

Piute Mountains navarretia

Navarretia subuligera

awl-leaved navarretia

Nemacladus twisselmannii

Twisselmann's nemacladus

Neostapfia colusana

Colusa grass

Nitrophila mohavensis

Amargosa nitrophila

Nolina interrata

Dehesa nolina

Oenothera caespitosa ssp. crinita

caespitose evening-primrose

Oenothera californica ssp. eurekensis

Eureka Dunes evening-primrose

Oenothera deltoides ssp. howellii

Antioch Dunes evening-primrose

Oenothera wolfii

Wolf's evening-primrose

Ophioglossum californicum

California adder's-tongue

Ophioglossum pusillum

northern adder's-tongue

Opuntia basilaris var. brachyclada

short-joint beavertail

Opuntia basilaris var. treleasei

Bakersfield cactus

Opuntia munzii

Munz's cholla

Opuntia pulchella

beautiful cholla

Orcuttia californica

California Orcutt grass

Orcuttia inaequalis

San Joaquin Valley Orcutt grass

Orcuttia pilosa

hairy Orcutt grass

Orcuttia tenuis

slender Orcutt grass

Orcuttia viscida

Sacramento Orcutt grass

Oreonana purpurascens

purple mountain-parsley

Orobanche valida ssp. howellii

Howell's broomrape

Orthocarpus pachystachyus

Shasta orthocarpus

Oryctes nevadensis

Nevada oryctes

Oxytheca parishii var. cienegensis

Cienega Seca oxytheca

Oxytheca parishii var. goodmaniana

Cushenbury oxytheca

Oxytheca watsonii

Watson's oxytheca

Paronychia ahartii

Ahart's paronychia

Parvisedum leiocarpum

Lake County stonecrop

Pedicularis contorta

curved-beak lousewort

Pedicularis dudleyi

Dudley's lousewort

Penstemon albomarginatus

white-margined beardtongue

Penstemon calcareus

limestone beardtongue

Penstemon filiformis

thread-leaved beardtongue

Penstemon papillatus

Inyo beardtongue

Penstemon personatus

closed-throated beardtongue

Penstemon purpusii

Snow Mountain beardtongue

Penstemon stephensii

Stephens's beardtongue

Pentachaeta exilis ssp. aeolica

slender pentachaeta

Pentachaeta lyonii

Lyon's pentachaeta

Perideridia bacigalupii

Bacigalupi's yampah

Perideridia gairdneri ssp. gairdneri

Gairdner's yampah

Perideridia leptocarpa

narrow-seeded yampah

Perityle inyoensis

Inyo rock daisy

Phacelia anelsonii

Aven Nelson's phacelia

Phacelia argentea

sand dune phacelia

Phacelia cookei

Cooke's phacelia

Phacelia dalesiana

Scott Mountain phacelia

Phacelia greenei

Scott Valley phacelia

Phacelia insularis var. continentis

North Coast phacelia

Phacelia monoensis

Mono County phacelia

Phacelia mustelina

Death Valley round-leaved phacelia

Phacelia nashiana

Charlotte's phacelia

Phacelia novenmillensis

Nine Mile Canyon phacelia

Phacelia orogenes

mountain phacelia

Phacelia phacelioides

Mt. Diablo phacelia

Phacelia stebbinsii

Stebbins's phacelia

Phlox hirsuta

Yreka phlox

Phlox muscoides

moss phlox

Pholisma sonorae

sand food

Picea engelmannii

Engelmann spruce

Pilostyles thurberi

Thurber's pilostyles

Pinguicula vulgaris ssp. macroceras

horned butterwort

Pinus contorta ssp. bolanderi

Bolander's beach pine

Pinus longaeva

bristlecone pine

Pinus radiata

Monterey pine

Pinus torreyana ssp. torreyana

Torrey pine

Pityopus californicus

California pinefoot

Plagiobothrys strictus

Calistoga popcorn-flower

Pleuropogon hooverianus

North Coast semaphore grass

Pleuropogon refractus

nodding semaphore grass

Poa atropurpurea

San Bernardino blue grass

Poa napensis

Napa blue grass

Pogogyne abramsii

San Diego mesa mint

Pogogyne clareana

Santa Lucia mint

Pogogyne douglasii ssp. parviflora

Douglas's pogogyne

Pogogyne nudiuscula

Otay Mesa mint

Polemonium chartaceum

Mason's sky pilot

Polygonum bidwelliae

Bidwell's knotweed

Polystichum kruckebergii

Kruckeberg's sword fern

Potentilla cristae

crested potentilla

Pseudobahia bahiifolia

Hartweg's golden sunburst

Pseudobahia peirsonii

San Joaquin adobe sunburst

Puccinellia howellii

Howell's alkali grass

Pyrrocoma uniflora var. gossypina

Bear Valley pyrrocoma

Quercus engelmannii

Engelmann oak

Raillardella pringlei

showy raillardella

Raillardiopsis muirii

Muir's raillardella

Ranunculus lobbii

Lobb's aquatic buttercup

Ribes thacherianum

Santa Cruz Island gooseberry

Ribes tularense

Sequoia gooseberry

Ribes victoris

Victor's gooseberry

Romneya coulteri

Coulter's matilija poppy

Rorippa gambelii

Gambel's water cress

Rorippa subumbellata

Tahoe yellow cress

Rosa minutifolia

small-leaved rose

Sagittaria sanfordii

Sanford's arrowhead

Salvia funerea

Death Valley sage

Sanicula maritima

adobe sanicle

Sanicula saxatilis

rock sanicle

Satureja chandleri

San Miguel savory

Saussurea americana

American saw-wort

Sclerocactus polyancistrus

Mojave fish-hook cactus

Scrophularia atrata

black-flowered figwort

Sedum albomarginatum

Feather River stonecrop

Sedum laxum ssp. flavidum

pale yellow stonecrop

Senecio clevelandii var. clevelandii

Cleveland's ragwort

Senecio clevelandii var. heterophyllus

Red Hills ragwort

Senecio eurycephalus var. lewisrosei

cut-leaved ragwort

Senecio ganderi

Gander's ragwort

Sidalcea covillei

Owens Valley checkerbloom

Sidalcea hickmanii ssp. anomala

Cuesta Pass checkerbloom

Sidalcea malachroides

maple-leaved checkerbloom

Sidalcea oregana ssp. valida

Kenwood Marsh checkerbloom

Sidalcea pedata

bird-foot checkerbloom

Sidalcea robusta

Butte County checkerbloom

Sidalcea stipularis

Scadden Flat checkerbloom

Silene invisa

short-petaled campion

Smelowskia ovalis var. congesta

Lassen Peak smelowskia

Solanum clokeyi

island nightshade

Stephanomeria blairii

Blair's stephanomeria

Streptanthus albidus ssp. albidus

Metcalf Canyon jewel-flower

Streptanthus albidus ssp. peramoenus

most beautiful jewel-flower

Streptanthus batrachopus

Tamalpais jewel-flower

Streptanthus brachiatus ssp. brachiatus

Socrates Mine jewel-flower

Streptanthus callistus

Mt. Hamilton jewel-flower

Streptanthus campestris

southern jewel-flower

Streptanthus cordatus var. piutensis

Piute Mountains jewel-flower

Streptanthus drepanoides

sickle-fruit jewel-flower

Streptanthus farnsworthianus

Farnsworth's jewel-flower

Streptanthus fenestratus

Tehipite Valley jewel-flower

Streptanthus gracilis

alpine jewel-flower

Streptanthus hispidus

Mt. Diablo jewel-flower

Streptanthus howellii

Howell's jewel-flower

Streptanthus insignis ssp. lyonii

Arburua Ranch jewel-flower

Streptanthus niger

Tiburon jewel-flower

Streptanthus oliganthus

Masonic Mountain jewel-flower

Suaeda californica

California seablite

Swallenia alexandrae

Eureka Valley dune grass

Swertia fastigiata

clustered green-gentian

Taraxacum californicum

California dandelion

Tetracoccus dioicus

Parry's tetracoccus

Tetracoccus ilicifolius

holly-leaved tetracoccus

Thelypodium brachycarpum

short-podded thelypodium

Thelypodium stenopetalum

slender-petaled thelypodium

Thermopsis californica var. argentata

silvery false lupine

Thermopsis californica var. semota

velvety false lupine

Thlaspi californicum

Kneeland Prairie pennycress

Thysanocarpus conchuliferus

Santa Cruz Island fringepod

Tracyina rostrata

beaked tracyina

Trichostema austromontanum ssp. compactum

Hidden Lake bluecurls

Trifolium amoenum

showy Indian clover

Trifolium lemmonii

Lemmon's clover

Trifolium macilentum var. dedeckerae

DeDecker's clover

Trifolium polyodon

Pacific Grove clover

Trifolium trichocalyx

Monterey clover

Triphysaria floribunda

San Francisco owl's-clover

Triteleia clementina

San Clemente Island triteleia

Tuctoria greenei

Greene's tuctoria

Tuctoria mucronata

Crampton's tuctoria or Solano grass

Vancouveria chrysantha

Siskiyou inside-out-flower

Veratrum fimbriatum

fringed false-hellebore

Verbena californica

California vervain

Verbesina dissita

crownbeard

Veronica copelandii

Copeland's speedwell

Veronica cusickii

Cusick's speedwell

Viola primulifolia ssp. occidentalis

western bog violet

Viola tomentosa

woolly violet

Woodsia plummerae

Plummer's woodsia

Wyethia reticulata

El Dorado County mule ears

Xylorhiza orcuttii

Orcutt's woody-aster