Southern California Wildflowers
Acanthaceae-Azollaceae

Brackets [ ] indicate taxa not necessarily recognized by the Jepson Manual but which I think are deserving of separate listings because they are so very different.

* Indicates introduced and naturalized species



Acanthaceae (Acanthus):

Carlowrightia arizonica (Arizona carlowrightia)
Justicia californica
(Chuparosa)


Adoxaceae (Muskroot):

Sambucus
    mexicana, see Sambucus nigra ssp. caerulea
    nigra ssp. caerulea
(Mexican elderberry)
    racemosa var. racemosa (Red elderberry)



Agavaceae (Agave):

Agave
    americana
(Century plant)*
    deserti var. deserti
(Desert agave)
    deserti var. simplex (Single-rosetted desert agave)
    shawii var. shawii (Shaw's agave)
    utahensis
(Utah agave)
Chlorogalum
    parviflorum
(Small-flowered soap plant)
    pomeridianum var. pomeridianum
(Soap plant)
Hesperocallis undulata
(Desert lily)
Hesperoyucca whipplei
(Chaparral yucca)
Yucca
    baccata var. baccata
(Banana yucca)
    brevifolia (Joshua tree)
    schidigera (Mojave yucca)
    whipplei, see Hesperoyucca whipplei


Aizoaceae (Iceplant):

Aptenia cordifolia (Baby sun rose)*
Carpobrotus
    chilensis
(Sea fig)*
    edulis (Hottentot fig)*
Malephora crocea (Red iceplant)*
Mesembryanthemum
    crystallinum
(Crystalline iceplant)*
    nodiflorum (Slender-leaved iceplant)*
Tetragonia tetragonioides (New Zealand spinach)*
Trianthema portulacastrum
(Lowland purslane)


Alismataceae (Water-plantain):

Alisma plantago-aquatica, see Alisma triviale
Alisma triviale
(Water plantain)
Echinodoros berteroi
(Burhead)


Alliaceae (Onion):

Allium
    amplectens
(Narrow-leaved onion)
    atrorubens var. cristatum
(Crested onion)
    burlewii
(Burlew's onion)
    campanulatum
(Sierra Onion)
    fimbriatum var. fimbriatum
(Fringed onion)
    haematochiton (Red-skinned onion)
    howellii var. clokeyi (Mt. Pinos onion)
    lacunosum var. davisiae (Davis's pitted onion)
    monticola
(San Bernardino mountain onion)
    nevadense
(Nevada onion)
    parryi
(Parry's fringed onion)
    peninsulare var. peninsulare
(Peninsular onion)
    praecox (Early onion)

Amaranthacea (Amaranth):

Amaranthus
    albus
(Pigweed amaranth)*
    blitoides
(Prostrate amaranth)
    californicus
(California amaranth)
    fimbriatus
(Fringed amaranth)
    torreyi
(Torrey's amaranth)
Tidestromia
    oblongifolia, see Tidestromia suffruticosa var. oblongifolia
    suffruticosa var. oblongifolia
(Honeysweet)


Anacardiaceae (Sumac):

Malosma laurina (Laurel sumac)
Rhus
    aromatica (Skunkbrush)
    integrifolia
(Lemonade berry)
    ovata (Sugar bush)
    trilobata, see Rhus aromatica
Schinus
    molle
(Peruvian pepper)*
    terebinthifolius (Brazilian pepper)*
Toxicodendron diversilobum (Western poison oak)


Apiaceae (Carrot):

Angelica
    lineariloba
(Soda straw)
    tomentosa (Woolly angelica)
Anthriscus caucalis (Bur-chervil)*
Apiastrum angustifolium (Wild celery)
Apium graveolens (Celery)*
Berula erecta (Water parsnip)
Bowlesia incana (Bowlesia)
Conium maculatum
(Poison hemlock)*
Cymopterus
    aboriginum
(Indian springparsley)
    gilmanii
(Gilman's cymopterus)
    multinervatus
(Arizona springparsley)
Daucus pusillis
(American wild carrot)
Eryngium aristulatum var. parishii (San Diego button-celery)
Foeniculum vulgare (Sweet fennel)*
Heracleum lanatum, see Heracleum maximum
Heracleum maximum (Cow parsnip)
Lomatium
    californicum
(California lomatium)
    caruifolium var. caruifolium
(Caraway-leaved lomatium)
    dasycarpum ssp. dasycarpum
(Woolly lomatium)
    dissectum var. multifidum (Fernleaf lomatium)
    lucidum (Shiny lomatium)
    mohavense (Desert parsley)
    nevadense var. nevadense (Nevada lomatium)
    nevadense var. parishii (Parish's lomatium)
    parryi (Parry's wild parsley)
    utriculatum (Hog fennel)
Oenanthe sarmentosa (Water-parsley)
Oreonana vestita (Woolly mountain parsley)
Osmorhiza
    berteroi (Mountain sweet-cicely)
    brachypoda
(Sweet-cicely)
    chilensis, see Osmorhiza berteroi
Oxypolis occidentalis
(Western cowbane)
Perideridia
    parishii ssp. latifolia
(Wide-leaved Parish's yampah)
    parishii ssp. parishii
(Parish's yampah)
    pringlei
(Adobe yampah)
Sanicula
    arguta
(Snakeroot)
    bipinnata (Poison sanicle)
    bipinnatifida
(Purple sanicle)
    crassicaulis
(Pacific sanicle)
    graveolens (Sierra sanicle)
    tuberosa
(Turkey pea)
Sphenosciadium capitellatum (Ranger's buttons)
Tauschia
    arguta
(Southern tauschia)
    parishii (Parish's tauschia)
Torilis
    arvensis
(Field hedge-parsley)*
    nodosa
(Hedge-parsley)*
Yabea microcarpa (California hedge-parsley)


Apocynaceae (Dogbane):

Amsonia tomentosa (Woolly amsonia)
Apocynum
    androsaemifolium
(Spreading dogbane)
    cannabinum (Indian hemp)
Asclepias
    albicans
(White-stemmed milkweed)
    californica
(California milkweed)
    eriocarpa (Indian milkweed)
    erosa
(Desert milkweed)
    fascicularis (Narrow-leaved milkweed)
    nyctaginifolia (Mojave milkweed)
    subulata (Rush milkweed)
    vestita (Woolly milkweed)
Cycladenia humilis var. venusta (Showy cycladenia)
Funastrum
    cynanchoides var. hartwegii
(Climbing milkweed)
    hirtellum (Hairy milkweed)
Matelea parvifolia (Desert spearleaf)
Sarcostemma
    cynanchoides ssp. hartwegii, see Funastrum cynanchoides var. hartwegii
    hirtellum, see Funastrum hirtellum
Vinca major (Periwinkle)*



Apodanthaceae (Apodanthus):

Pilostyles thurberi (Thurber's stemsucker)


Araceae (Arum):

Lemna
    minuta
(Least duckweed)
    turionifera
(Turion duckweed)


Araliaceae (Ginseng):

Aralia californica (California aralia)
Hedera helix (English ivy)*

Hydrocotyle verticillata (Water pennywort)


Arecaceae (Palm):

Washingtonia filifera (California fan palm)


Asparagaceae (Asparagus):

Asparagus asparagoides (African asparagus fern)*


Asphodelaceae (Asphodelus):

Asphodelus fistulosus (Onionweed)*


Asteraceae (Sunflower):

Acamptopappus
    shockleyi (Shockley's goldenheads)
    sphaerocephalus var. hirtellus
(Hairy goldenheads)
    sphaerocephalus var. sphaerocephalus
(Goldenheads)
Achillea millefolium (Yarrow)
Achyrachaena mollis (Blow wives)
Acourtia microcephala
(Sacapellote)
Acroptilon repens (Russian knapweed)*
Adenophyllum
    cooperi
(Cooper's dyssodia)
    porophylloides
(San Felipe dyssodia)
Ageratina
    adenophora
(Thoroughwort)*
    herbacea (Fragrant snakeroot)
    occidentalis (Western snakeroot)
Agoseris
    grandiflora var. grandiflora
(Mountain dandelion)
    heterophylla var. heterophylla (Annual mountain dandelion)
    retrorsa (Spearleaf mountain dandelion)
Amauriopsis dissecta (Ragged-leaf bahia)
Amblyopappus pusillus (Coastweed)
Ambrosia
    acanthicarpa
(Annual bur-sage)
    chamissonis (Silver beach bur)
    chenopodiifolia (Goosefoot bur-sage)
    dumosa (Burrobush)
    eriocentra (Woolly bur-sage)
    ilicifolia
(Holly-leaved bur-sage)
    psilostachya
(Western ragweed)
    pumila (San Diego ambrosia)
    salsola var. salsola
(Cheesebush)
Amphipappus fremontii var. fremontii
(Chaffbush)
Anisocoma acaulis
(Scalebud)
Antennaria
    dimorpha
(Low pussytoes)
    media (Alpine pussytoes)
    rosea ssp. confinis (Rosy pussytoes)
Anthemis
    arvensis
(Corn chamomile)*
    cotula (Mayweed)*
Arida arizonica (Silver Lake daisy)
Arnica
    chamissonis
(Meadow arnica)
    mollis
(Soft arnica)
Artemisia
    bigelovii
(Flat sagebrush)
    californica
(California sagebrush)
    douglasiana (Mugwort)
    dracunculus (Wild tarragon)
    ludoviciana ssp. incompta (Mountain mugwort)
    nova (Black sagebrush)
    palmeri (Palmer's sagewort)
    rothrockii
(Rothrock's sagebrush)
    spinescens (Budsage)
    tridentata ssp. parishii (Parish's sagebrush)
    tridentata ssp. tridentata (Basin sagebrush)
    tridentata ssp. vaseyana (Mountain sagebrush)
Aster
    alpigenus var. andersonii, see Oreostemma alpigenus var. andersonii
    ascendens, see Symphyotrichum ascendens
    bernardinus, see Symphyotrichum defoliatum
    chilensis, see Symphyotrichum chilense
    greatae, see Symphyotrichum greatae
    lanceolatus var. hesperius, see Symphyotrichum lanceolatum var. hesperium
    occidentalis var. occidentalis, see Symphyotrichum spathulatum var. spathulatum
    subulatus var. ligulatus, see Symphyotrichum subulatum var. paviflorum
Atrichoseris platyphylla (Gravel ghost)
Baccharis
    brachyphylla
(Shortleaf baccharis)
    douglasii, see Baccharis glutinosa

    emoryi, see Baccharis salicina

    glutinosa (Salt marsh baccharis)
    malibuensis
(Malibu baccharis)
    pilularis ssp. consanguinea
(Coyote brush)
    plummerae ssp. plummerae (Plummer's baccharis)
    salicifolia (Mulefat)
    salicina (Willow baccharis)
    sarothroides (Broom baccharis)
    sergiloides
(Desert baccharis)
    vanessae (Encinitas baccharis)
Bahia
    dissecta, see Hymenothrix dissecta

    neomexicana, see Picradeniopsis multiflora
Bahiopsis
    laciniata
(San Diego County goldeneye)
    parishii (Parish's goldeneye)
    reticulata (Mojave goldeneye)
Baileya
    multiradiata
(Desert marigold)
    pauciradiata (Lax flower)
    pleniradiata (Woolly marigold)
Balsamorhiza deltoidea (Deltoid balsamroot)
Bebbia juncea var. aspera (Sweetbush)
Bellis perennis (English daisy)*
Bidens
    laevis
(Smooth beggar-ticks)
    pilosa (Common beggar-ticks)*
Blennosperma nanum var. nanum (Blennosperma)
Brickellia
    arguta var. arguta, see Brickellia atractyloides var. arguta
    atractyloides var. arguta
(Spearleaf brickellbush)
    californica
(California brickellbush)
    desertorum (Desert brickellbush)
    frutescens
(Shrubby brickellbush)
    incana
(Woolly brickellbush)
    knappiana (Knapp's brickellbush)
    longifolia var. multiflora (Gum-leaved brickellbush)
    microphylla var. microphylla (Little-leaved brickellbush)
    multiflora, see Brickellia longifolia var. multiflora
    nevinii
(Nevin's brickellbush)
     oblongifolia var. linifolia (Narrow-leaved brickellbush)
Calycoseris
    parryi
(Yellow tackstem)
    wrightii (White tackstem)
Carduus pycnocephalus ssp. pycnocephalus (Italian thistle)*
Carthamus tinctorius (Safflower)*
Centaurea
    benedictus
(Blessed thistle)*
    maculosa, see Centaurea stoebe ssp. micranthos

    melitensis (Tocalote)*
    solstitialis (Yellow star thistle)*
    stoebe ssp. micranthos (Spotted knapweed)*
Centromadia
    parryi ssp. australis
(Southern tarplant)
    pungens ssp. pungens (Spikeweed)
Chaenactis
    artemisiifolia
(White pincushion)
    carphoclinia var. carphoclinia
(Pebble pincushion)
    douglasii var. douglasii
(Dusty maiden)
    fremontii (Fremont's pincushion)
    glabriuscula var. glabriuscula (Yellow pincushion)
    glabriuscula var. orcuttiana (Orcutt's yellow pincushion)
    macrantha (Large-flowered pincushion)
    santolinoides (Santolina pincushion)
    stevioides (Desert pincushion)
    xantiana (Xantus pincushion)
Chaetadelpha wheeleri
(Dune broom)
Chaetopappa ericoides
(Rose heath)
Chamomilla suaveolens, see Matricaria matricarioides
Chloracantha spinosa var. spinosa (Spiny aster)
Chondrilla juncea (Hogbite)*
Chrysanthemum coronarium, see Glebionis coronaria
Chrysothamnus
    nauseosus ssp. bernardinus, see Ericameria nauseosa var. bernardina
    nauseosus ssp. ceruminosus, see Ericameria nauseosa var. ceruminosa
    nauseosus ssp. consimilis, see Ericameria nauseosa var. oreophila
    nauseosus ssp. hololeucus, see Ericameria nauseosa var. hololeuca
    nauseosus ssp. mohavensis, see Ericameria nauseosa var. mohavensis
    paniculatus, see Ericameria paniculata
    parryi ssp. asper, see Ericameria parryi var. aspera
    teretifolius, see Ericameria teretifolia

    viscidiflorus ssp. viscidiflorus
(Sticky-leaved rabbitbrush)
Cichorium intybus (Chicory)*
Cirsium
    arizonicum var. tenuisectum
(Red thistle)
    mohavense
(Mojave thistle)
    neomexicanum
(Desert thistle)
    nidulum, see Cirsium arizonicum var. tenuisectum

    occidentale var. californicum (California thistle)
    occidentale var. occidentale (Cobweb thistle)
    occidentale var. venustum (Venus thistle)
    scariosum var. citrinum (Southern meadow thistle)
    scariosum var. congdonii (Elk thistle)
    vulgare (Bull thistle)*
Cnicus benedictus, see Centaurea benedictus
Constancea nevinii (Nevin's woolly sunflower)
Conyza
    bonariensis*, see Erigeron bonariensis
    canadensis, see Erigeron canadensis
    coulteri, see Laennecia coulteri

    floribunda*, see Erigeron sumatrensis
Coreopsis
    bigelovii, see Leptosyne bigelovii
    californica var. californica, see Leptosyne californica
    gigantea, see Leptosyne gigantea
    maritima, see Leptosyne maritima
Corethrogyne filaginifolia (California-aster)
Cosmos bipinnatus (Mexican aster)*
Cotula
    australis
(Australian brass buttons)*
    coronopifolia (Brass-buttons)*
Crepis
    acuminata
(Tall hawksbeard)
    nana (Dwarf hawksbeard)
    occidentalis (Western hawksbeard)
Cynara cardunculus (Cardoon)*
Deinandra
    arida (Red Rock tarplant)
    clementina (Island tarplant)
    conjugens (Otay tarplant)
    fasciculata
(Slender tarplant)
    kelloggii (Kellogg's tarplant)
    minthornii (Santa Susana tarplant)
    mohavensis (Mojave tarplant)
    pallida (Kern tarplant)
    paniculata (San Diego tarplant)
Delairea odorata (Cape-ivy)*
Dicoria canescens (Desert dicoria)
Dieteria
    asteroides var. asteroides
(Scrub aster)
    asteroides var. lagunensis
(Laguna Mountains aster)
    canescens var. canescens (Hoary-aster)
    canescens var. leucanthemifolia (Desert hoary-aster)
    canescens var. ziegleri (Ziegler's aster)
Dimorphotheca ecklonis (African daisy)*
Eclipta prostrata (False-daisy)
Encelia
    actoni
(Acton encelia)
    californica (Bush sunflower)
    farinosa (Brittlebush)
    frutescens (Rayless encelia)
    virginensis (Green encelia)
Enceliopsis
    covillei
(Panamint daisy)
    nudicaulis
(Sunray)
Ericameria
    albida
(White-flowered rabbitbrush)
    arborescens (Golden-fleece)
    brachylepis
(Boundary goldenbush)
    cooperi var. cooperi
(Cooper's goldenbush)
    cuneata var. cuneata
(Rock goldenbush)
    cuneata var. macrocephala (Laguna Mountains goldenbush)
    cuneata var. spathulata (Wide-leaved rock goldenbush)
    ericoides (Mock heather)
    laricifolia (Turpentine bush)
    linearifolia (Interior goldenbush)
    nana (Dwarf goldenbush)
    nauseosa var. bernardina (San Bernardino rubber rabbitbrush)
    nauseosa var. ceruminosa (Sharp-bracted rubber rabbitbrush)

    nauseosa var. hololeuca (Ghostly rubber rabbitbrush)
    nauseosa var. mohavensis (Mojave rubber rabbitbrush)
    nauseosa var. oreophila (Threadleaf rubber rabbitbrush)
    palmeri var. pachylepis (Palmer's goldenbush)
    paniculata (Black-banded rabbitbrush)
    parishii var. parishii (Parish's goldenbush)
    parryi var. aspera (Parry's rabbitbrush)
    pinifolia (Pine goldenbush)
    teretifolia (Green rabbitbrush)
Erigeron
    aphanactis var. congestus
(Rayless fleabane)
    bonariensis (Small horseweed)*
    breweri var. breweri (Brewer's fleabane)
    breweri var. covillei
(Coville's fleabane)
    breweri var. jacinteus
(San Jacinto Mountains fleabane)
    breweri var. porphyreticus (Mojave Brewer's fleabane)
    canadensis (Tall horseweed)
    clokeyi var. pinzliae (Pinzl's fleabane)
    compositus (Cutleaf daisy)
    concinnus
(Navajo fleabane)
    divergens
(Spreading fleabane)
    foliosus var. foliosus (Leafy daisy)
    glaucus (Seaside daisy)
    lonchophyllus (Shortray fleabane)
    parishii (Parish's fleabane)
    sumatrensis (Asthmaweed)*
Eriophyllum
    ambiguum var. paleaceum
(Yellow-frocks)
    confertiflorum var. confertiflorum (Golden yarrow)
    lanatum var. obovatum (Woolly sunflower)
    lanosum (White easter bonnets)
    multicaule (Many-stem woolly sunflower)
    nevinii, see Constancea nevinii
    pringlei (Pringle's woolly sunflower)
    wallacei (Woolly daisy)
Euthamia occidentalis (Western goldenrod)
Filago
    californica, see Logfia filaginoides

    depressa, see Logfia depressa
    gallica, see Logfia gallica
Gamochaeta ustulata (Purple cudweed)
Gerraea canescens (Desert sunflower)
Glebionis coronaria (Garland chrysanthemum)*
Glyptopleura marginata (Keysia)
Gnaphalium
    bicolor, see Pseudognaphalium biolettii

    californicum, see Pseudognaphalium californicum
    canescens ssp. beneolens, see Pseudognaphalium beneolens
    canescens ssp. microcephalum, see Pseudognaphalium microcephalum
    canescens ssp. thermale, see Pseudognaphalium thermale
    luteo-album, see Pseudognaphalium luteoalbum
    palustre (Lowland cudweed)
    purpureum, see Gamochaeta ustulata
    ramosissimum, see Pseudognaphalium ramosissimum
    stramineum, see Pseudognaphalium stramineum
Grindelia
    camporum (Gumplant)
    hallii (San Diego gumplant)
    hirsutula (Hairy gumplant)
    stricta var. platyphylla (Coastal gumplant)
Gutierrezia
    californica
(California matchweed)
    microcephala (Sticky snakeweed)
    sarothrae
(Broom snakeweed)
Hazardia
    brickellioides
(Holly-leaved hazardia)
    detonsa
(Island hazardia)
    squarrosa var. grindelioides
(Sawtooth goldenbush)

Hecastocleis shockleyi (Shockley's prickleleaf)
Hedypnois cretica
(Crete weed)*
Helenium
    bigelovii
(Bigelow's sneezeweed)
    puberulum
(Sneezeweed)
Helianthella californica var. nevadensis (Sierra helianthella)
Helianthus
    annuus
(Common sunflower)
    californicus (California sunflower)
    gracilentus (Slender-leaved sunflower)
    niveus ssp. tephrodes
(Algodones Dunes sunflower)
    petiolaris ssp. canescens (Dune sunflower)
Heliomeris multiflora var. nevadensis
(Nevada goldeneye)
Helminthotheca echioides (Bristly ox-tongue)*
Hemizonella minima (Pygmy madia)
Hemizonia
    arida, see Deinandra arida
    clementina, see Deinandra clementina
    conjugens, see Deinandra conjugens
    fasciculata, see Deinandra fasciculata
    minthornii, see Deinandra minthornii
    mohavensis, see Deinandra mohavensis
    paniculata, see Deinandra paniculata
    parryi ssp. australis, see Centromadia parryi ssp. australis
    pungens, see Centromadia pungens

Hesperevax acaulis var. ambusticola (Stemless evax)
Heterotheca
    grandiflora
(Telegraph weed)
    sessiliflora ssp. echioides (Bristly golden-aster)
    sessiliflora ssp. fastigiata (Erect golden-aster)
    villosa var. scabra (Rough hairy golden-aster)
Hieracium
    albiflorum
(White-flowered hawkweed)
    argutum (Hawkweed)
    horridum (Shaggy hawkweed)
Holocarpha
    heermannii
(Heermann's tarplant)
    virgata ssp. elongata
(Graceful tarplant)
Hulsea
    algida
(Alpine gold hulsea)
    californica (San Diego hulsea)
    heterochroma
(Red-rayed hulsea)
    vestita ssp. callicarpha
(Beautiful hulsea)
    vestita ssp. gabrielensis
(San Gabriel Mountains hulsea)
    vestita ssp. parryi (Parry's hulsea)
    vestita ssp. pygmaea (Pygmy hulsea)
Hymenoclea salsola var. salsola, see Ambrosia salsola var. salsola
Hymenopappus
    filifolius var. lugens
(Southern mountain cutleaf)
    filifolius var. megacephalus (Fineleaf hymenopappus)
Hymenothrix
    dissecta
(Ragged-leaf bahia)
    wrightii
(Wright's thimblehead)
Hymenoxys acaulis var. arizonica, see Tetraneuris acaulis var. arizonica
Hymenoxys cooperi (Cooper's goldflower)
Hypochaeris
    glabra
(Smooth cat's ear)*
    radicata (Rough cat's ear)*
Isocoma
    acradenia var. bracteosa (Bracted alkali goldenbush)
    acradenia var. eremophila (Solitary-leaved alkali goldenbush)
    menziesii var. decumbens (Decumbent goldenbush)
    menziesii var. menziesii (Menzies' goldenbush)
    menziesii var. sedoides (Prostrate coast goldenbush)
    menziesii var. vernonioides (Coast goldenbush)
Iva
    axillaris
(Poverty weed)
    hayesiana (Poor man's timothy)
Jaumea carnosa
(Marsh jaumea)
Lactuca
    saligna
(Willowleaf lettuce)*
    serriola
(Prickly lettuce)*
Laennecia coulteri (Coulter's horseweed)
Lagophylla ramosissima (Branched hareleaf)
Lasthenia
    californica ssp. californica (California goldfields)
    coronaria (Royal goldfields)
    glaberrima (Rayless goldfields)
    gracilis
(Goldfields)
Layia
    glandulosa
(White tidy tips)
    hieracioides (Hawkweed layia)
    leucopappa (Comanche Point tidy tips)
    platyglossa (Yellow tidy tips)
Lepidospartum
    latisquamum
(Nevada broomsage)
    squamatum
(Scalebroom)
Leptosyne
    bigelovii (Bigelow's coreopsis)
    californica var. californica (California tickseed)
    calliopsidea (Leafstem tickseed)
    gigantea (Giant coreopsis)
    maritima (Sea dahlia)
Lessingia
    filaginifolia var. filaginifolia, see Corethrogyne filaginifolia
    glandulifera var. glandulifera
(Sticky lessingia)
    glandulifera var. tomentosa
(Warner Springs lessingia)
    lemmonii var. lemmonii, see Lessingia glandulifera var. glandulifera

    leptoclada
(Sierra lessingia)
    nemaclada
(Slenderstem lessingia)
    tenuis
(Spring lessingia)
Leucanthemum vulgare
(Ox-eye daisy)*
Logfia
    arizonica
(Arizona herba impia)
    depressa
(Dwarf filago)
    filaginoides
(California filago)
    gallica
(Narrow-leaf filago)*
Machaeranthera
    arida, see Arida arizonica
    asteroides var. asteroides, see Dieteria asteroides var. asteroides
    asteroides var. lagunensis, see Dieteria asteroides var. lagunensis
    canescens var. canescens, see Dieteria canescens var. canescens
    canescens var. leucanthemifolia, see Dieteria canescens var. leucanthemifolia
    canescens var. ziegleri, see Dieteria canescens var. ziegleri
    gracilis, see Xanthisma gracile
Madia
    elegans
(Common madia)
    exigua (Threadstem madia)
    glomerata
(Mountain madia)
    gracilis (Sticky madia or gumweed)
    minima, see Hemizonella minima
Malacothrix
    californica
(California malacothrix)
    clevelandii
(Annual malacothrix)
    coulteri (Snake's head)
    glabrata (Desert dandelion)
    incana (Dunedelion)
    saxatilis var. implicata (Cliff malacothrix)
    saxatilis var. tenuifolia (Short-leaved cliff aster)
    sonchoides (Yellow saucers)
Malperia tenuis
(Brown turbans)
Matricaria
    discoidea
(Pineapple weed)*
    matricarioides, see Matricaria discoidea
    occidentalis
(Valley mayweed)
Micropus californicus var. californicus
(Slender cottonweed)
Microseris douglasii ssp. douglasii (Douglas's microseris)
Monolopia
    lanceolata
(Common hillside daisy)
    stricta (Crum's monolopia)
Monoptilon
    bellidiforme
(Daisy desertstar)
    bellioides (Desert stars)
Nicolletia occidentalis (Hole-in-the-sand plant)
Oncosiphon piluliferum (Globe chamomile)*
Oreostemma alpigenum var. andersonii
(Alpine aster)
Osmadenia tenella
(Three-spot)
Osteospermum ecklonis, see Dimorphotheca ecklonis
Packera
    bernardina
(San Bernardino ragwort)
    ionophylla (Tehachapi ragwort)
    multilobata (Basin butterweed)
Palafoxia
    arida var. arida
(Spanish needles)
    arida var. gigantea (Giant Spanish needles)
Pectis papposa var. papposa (Chinchweed)
Pentachaeta
    aurea ssp. allenii
(Allen's daisy)
    aurea ssp. aurea
(Golden-rayed pentachaeta)
    lyonii
(Lyon's pentachaeta)
Pericome caudata (Mountain tail leaf)
Perityle
    emoryi
(Rock daisy)
    megalocephala var. megalocephala (Nevada rock daisy)
Peucephyllum schottii (Desert-fir)
Picradeniopsis multiflora (Many-flowered bahia)
Picris echioides, see Helminthotheca echioides
Pleiacanthus spinosus (Thorny skeleton-plant)
Pleurocoronis pluriseta (Arrowleaf)
Pluchea
    odorata var. odorata
(Salt marsh fleabane)
    sericea (Arrow weed)
Porophyllum gracile (Slender poreleaf)
Prenanthella exigua (Bright white)
Psathyrotes
    annua
(Fan leaf)
    ramosissima (Turtleback)
Pseudobahia peirsonii (San Joaquin adobe sunburst)
Pseudognaphalium
    beneolens
(Fragrant everlasting)
    biolettii
(Two-tone everlasting)

    californicum (California everlasting)
    canescens (Wright's cudweed)
    luteoalbum (Weedy cudweed)*

    microcephalum (Feltleaf everlasting)
    ramosissimum (Pink cudweed)
    stramineum (Cotton-batting plant)
    thermale (Slender everlasting)
Psilocarphus
    brevissimus var. brevissimus
(Dwarf woollyheads)
    tenellus (Slender woollyheads)
Psilostrophe cooperi (Paperflower)
Pulicaria paludosa (Pulicaria)*
Pyrrocoma
    racemosa var. paniculata
(Panicled pyrrocoma)
    uniflora var. gossypina
(Bear Valley pyrrocoma)
Rafinesquia
    californica
(California chicory)
    neomexicana (Desert chicory)
Rigiopappus leptocladus (Wireweed)
Raillardella argentea
(Silky raillardella)
Sanvitalia abertii
(Abert's sanvitalia)
Schkuhria multiflora var. multiflora, see Bahia neomexicana

Senecio
    bernardinus, see Packera bernardina
    californicus
(California groundsel)
    flaccidus var. douglasii
(Bush senecio)
    flaccidus var. monoensis (Mono groundsel)
    fremontii var. occidentalis (Dwarf mountain ragwort)
    ionophyllus, see Packera ionophylla
    mohavensis (Mojave ragwort)
    multilobatus, see Packera multilobata
    spartioides
(Broom groundsel)
    triangularis
(Arrowleaf butterweed)
    vulgaris
(Common groundsel)*
Silybum marianum (Milk thistle)*
Solidago
    californica, see Solidago velutina ssp. californica
    confinis (Southern goldenrod)
    velutina ssp.  californica
(California goldenrod)

Sonchus
    asper ssp. asper
(Prickly sow-thistle)*
    oleraceus (Sow-thistle)*
Sphaeromeria cana (Gray chickensage)
Stebbinsoseris heterocarpa (Brown microseris)
Stephanomeria
    cichoriacea
(Chicory-leaved stephanomeria)
    diegensis (San Diego wreathplant)
    exigua ssp. coronaria (Whiteplume wirelettuce)
    exigua ssp. deanei (Deane's wirelettuce)
    exigua ssp. exigua
(Small wirelettuce)
    parryi
(Parry's wirelettuce)
    pauciflora
(Desert straw)
    spinosa, see Pleiacanthus spinosus
    tenuifolia (Narrow-leaved stephanomeria)
    virgata ssp. pleurocarpa (Wand wirelettuce)
    virgata ssp. virgata (Twiggy wreathplant)
Stylocline
    gnaphaloides
(Everlasting neststraw)
    micropoides
(Woollyhead neststraw)
Symphyotrichum
    ascendens
(Long-leaved aster)
    chilense (Chile aster)
    defoliatum
(San Bernardino aster)
    greatae (Greata's aster)
    lanceolatus ssp. hesperium (Western lanceleaf aster)
    spathulatum var. spathulatum
(Western mountain aster)
    subulatum var. parviflorum (Slim aster)
Syntrichopappus fremontii
(Fremont's syntrichopappus)
Tanacetum parthenium (Feverfew)*
Taraxacum
    californicum
(California dandelion)
    officinale (Dandelion)*
Tetradymia
    argyraea
(Striped horsebrush)
    axillaris var. longispina
(Longspine horsebrush)
    canescens
(Spineless horsebrush)
    comosa (Cottonthorn)
    spinosa
(Spiny horsebrush)
    stenolepis (Mojave cottonthorn)
Tetraneuris acaulis var. arizonica (Arizona hymenoxys)
Thymophylla pentachaeta var. belenidium (Five-needled thymophylla)
Tragopogon
    dubius
(Yellow salsify)*
    porrifolius (Purple salsify)*
Trichoptilium incisum (Yellowheads)
Trixis californica var. californica (California trixis)
Uropappus lindleyi (Silver puffs)
Venegasia carpesioides (Canyon sunflower)
Verbesina
    dissita
(Big-leaved crownbeard)
    encelioides ssp. exauriculata (Golden crownbeard)
Viguiera
    laciniata, see Bahiopsis laciniata
    parishii, see Bahiopsis parishii

Wyethia ovata (Mule's ears)
Xanthisma gracile (Slender goldenweed)
Xanthium
    spinosum
(Spiny cocklebur)
    strumarium (Cocklebur)
Xylorhiza
    cognata
(Mecca-aster)
    orcuttii (Orcutt's woody-aster)
    tortifolia var. tortifolia (Mojave-aster)

Azollaceae

    Azolla filiculoides

Index Home Page