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National Park Service, California Parks
Joshua Tree National Park
Joshua Tree National Park
More Details
Authors:
Tasha La Doux
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Families:
90
Genera:
327
Species:
680
Total Taxa:
733
Map
ACANTHACEAE
Justicia californica
- Chuparosa
ADOXACEAE
Sambucus nigra
Sambucus nigra subsp. caerulea
- Blue Elderberry
AGAVACEAE
Agave deserti
- Desert Agave
Agave deserti var. deserti
Hesperocallis undulata
Yucca brevifolia
Yucca schidigera
- Mohave Yucca
AIZOACEAE
Trianthema portulacastrum
- horse purslane
ALLIACEAE
Allium denticulatum
Allium fimbriatum
Allium fimbriatum var. fimbriatum
Allium parishii
AMARANTHACEAE
Amaranthus albus
- White Tumbleweed
Amaranthus blitoides
- Prostrate Amaranth
Amaranthus fimbriatus
- Fringed Amaranth
Amaranthus torreyi
- Torrey's amaranthus
Tidestromia suffruticosa
- shrubby tidestromia
Tidestromia suffruticosa var. oblongifolia
- Arizona honeysweet
ANACARDIACEAE
Rhus aromatica
- Skunkbrush
APIACEAE
Bowlesia incana
- American Bowlesia
Cyclospermum leptophyllum
- Marsh-Parsley
Cymopterus panamintensis
Cymopterus panamintensis var. acutifolius
Lomatium mohavense
Tauschia parishii
APOCYNACEAE
Amsonia tomentosa
- woolly bluestar
Asclepias albicans
- candelilla
Asclepias erosa
- desert milkweed
Asclepias fascicularis
- Narrowleaf Milkweed
Asclepias subulata
- desert milkweed
Funastrum cynanchoides
- fringed twinevine
Funastrum cynanchoides var. hartwegii
- Hartweg's twinevine
Funastrum hirtellum
- hairy milkweed
Funastrum utahense
- Utah swallow-wort
Matelea parvifolia
- littleleaf matelea
ARACEAE
Lemna minuta
- Least Duckweed
ARECACEAE
Washingtonia filifera
ASTERACEAE
Acamptopappus sphaerocephalus
Acamptopappus sphaerocephalus var. hirtellus
Acamptopappus sphaerocephalus var. sphaerocephalus
Adenophyllum cooperi
Adenophyllum porophylloides
Ambrosia acanthicarpa
- Annual Bur-Sage
Ambrosia dumosa
- White Bur-Sage
Ambrosia
Ambrosia salsola var. pentalepis
Ambrosia salsola
- Cheesebush
Ambrosia salsola var. salsola
Anisocoma acaulis
Artemisia dracunculus
- Tarragon, Dragon Sagewort
Artemisia ludoviciana
Artemisia ludoviciana subsp. albula
Artemisia ludoviciana subsp. incompta
Atrichoseris platyphylla
Baccharis brachyphylla
Baccharis salicifolia
- Mule Fat
Baccharis salicifolia subsp. salicifolia
- Mule Fat
Baccharis sarothroides
- Broom Baccharis
Baccharis sergiloides
Bahiopsis parishii
Baileya pauciradiata
Baileya pleniradiata
Bebbia juncea
- Rush Sweetbush
Bebbia juncea var. aspera
- Rush Sweetbush
Brickellia atractyloides
Brickellia atractyloides var. arguta
Brickellia californica
- California Brickellbush
Brickellia desertorum
Brickellia incana
Brickellia oblongifolia
Brickellia oblongifolia var. linifolia
Calycoseris parryi
Calycoseris wrightii
- White Tack-Stem
Centromadia pungens
Centromadia pungens subsp. pungens
Chaenactis carphoclinia
Chaenactis carphoclinia var. carphoclinia
- Pebble Pincushion
Chaenactis fremontii
- Fremont Pincushion
Chaenactis macrantha
Chaenactis stevioides
Chaenactis xantiana
Chrysothamnus viscidiflorus
Chrysothamnus viscidiflorus subsp. viscidiflorus
Cirsium neomexicanum
Cirsium vulgare
- Bull Thistle
Dicoria canescens
Encelia actoni
Encelia farinosa
- Brittlebush
Encelia frutescens
Encelia virginensis
Ericameria cooperi
Ericameria cooperi var. cooperi
Ericameria cuneata
Ericameria cuneata var. spathulata
Ericameria linearifolia
Ericameria nauseosa
Ericameria nauseosa var. mohavensis
Ericameria nauseosa var. oreophila
Ericameria paniculata
Ericameria teretifolia
Erigeron breweri
Erigeron breweri var. covillei
Erigeron breweri var. porphyreticus
Erigeron canadensis
- Horseweed
Erigeron divergens
Erigeron foliosus
Erigeron foliosus var. foliosus
- Leafy Daisy
Erigeron parishii
Eriophyllum confertiflorum
- Golden-Yarrow
Eriophyllum confertiflorum var. confertiflorum
- Long-Stem Golden-Yarrow
Eriophyllum pringlei
Eriophyllum wallacei
Geraea canescens
Gnaphalium palustre
- Lowland Cudweed
Gutierrezia microcephala
Gutierrezia sarothrae
- Broom Matchweed
Heterotheca villosa
Heterotheca villosa var. scabra
Hulsea vestita
Hulsea vestita subsp. parryi
Hymenopappus filifolius
Hymenopappus filifolius var. lugens
Hymenoxys cooperi
Lactuca serriola
- Prickly Lettuce
Layia glandulosa
Lepidospartum squamatum
- Scale-Broom
Leptosyne bigelovii
Leptosyne californica
- California Coreopsis
Logfia arizonica
- Arizona Cottonrose
Logfia depressa
- Dwarf Cottonrose
Logfia filaginoides
- California Cottonrose
Malacothrix coulteri
Malacothrix glabrata
- Smooth Desert Dandelion
Malacothrix stebbinsii
Monoptilon bellidiforme
Monoptilon bellioides
- Mohave Desert Star
Nicolletia occidentalis
Palafoxia arida
Palafoxia arida var. arida
- Desert Spanish-Needle
Pectis papposa
Pectis papposa var. papposa
- Chinch Weed
Perityle emoryi
- Emory’s Rock Daisy
Peucephyllum schottii
Pleurocoronis pluriseta
Pluchea sericea
- Arrow Weed
Porophyllum gracile
- Odora
Prenanthella exigua
Psathyrotes ramosissima
- Turtleback
Pseudognaphalium canescens
- Everlasting Cudweed
Pseudognaphalium luteoalbum
- Fragrant Everlasting Cudweed
Pseudognaphalium stramineum
- Cotton-Batting Plant
Psilostrophe cooperi
Pulicaria paludosa
- Spanish False-Fleabane
Rafinesquia californica
- California Chicory
Rafinesquia neomexicana
- Desert Chicory
Senecio flaccidus
Senecio flaccidus var. douglasii
- Sand-Wash Butterweed
Senecio flaccidus var. monoensis
- Mono Butterweed
Senecio mohavensis
- Mojave Groundsel
Senecio vulgaris
- Common Groundsel
Sonchus asper
- Prickly Sow-Thistle
Sonchus asper subsp. asper
- Prickly Sow-Thistle
Sonchus oleraceus
- Common Sow-Thistle
Stephanomeria exigua
- Small Wreath-Plant
Stephanomeria exigua subsp. exigua
Stephanomeria parryi
Stephanomeria pauciflora
- Few-Flower Wreath-Plant
Stylocline micropoides
Stylocline psilocarphoides
Syntrichopappus fremontii
Tetradymia axillaris
Tetradymia axillaris var. longispina
Tetradymia stenolepis
Trichoptilium incisum
- Desert Yellow-Head
Trixis californica
Trixis californica var. californica
Uropappus lindleyi
- Silver Puffs
Xanthium strumarium
- Cocklebur
Xylorhiza tortifolia
Xylorhiza tortifolia var. tortifolia
BIGNONIACEAE
Chilopsis linearis
- desert willow
Chilopsis linearis subsp. arcuata
- hairy clematis
BORAGINACEAE
Amsinckia intermedia
- Rancher’s Fiddleneck
Amsinckia menziesii
- Small-Flowered Fiddleneck
Amsinckia tessellata
Amsinckia tessellata var. tessellata
- Checker Fiddleneck
Cryptantha angustifolia
- Narrow-Leaf Johnstonella
Cryptantha barbigera
Cryptantha barbigera var. barbigera
Cryptantha barbigera var. fergusoniae
Cryptantha circumscissa
Cryptantha circumscissa var. circumscissa
Cryptantha costata
Cryptantha decipiens
Cryptantha dumetorum
Cryptantha gracilis
Cryptantha inaequata
Cryptantha maritima
- Guadalupe Cryptantha
Cryptantha micrantha
Cryptantha micrantha var. lepida
Cryptantha micrantha var. micrantha
Cryptantha muricata
- Prickly Cryptantha
Cryptantha muricata var. denticulata
Cryptantha muricata var. jonesii
- Jones's Prickly Cryptantha
Cryptantha nevadensis
Cryptantha nevadensis var. nevadensis
Cryptantha pterocarya
Cryptantha pterocarya var. cycloptera
- Omni-Winged Cryptantha
Cryptantha pterocarya var. pterocarya
Cryptantha pterocarya var. purpusii
Cryptantha racemosa
Cryptantha utahensis
Emmenanthe penduliflora
- Whispering Bells
Emmenanthe penduliflora var. penduliflora
- Whispering Bells
Eriodictyon crassifolium
Eriodictyon crassifolium var. crassifolium
- Felt-Leaf Yerba Santa
Eriodictyon trichocalyx
Eriodictyon trichocalyx var. lanatum
Eriodictyon trichocalyx var. trichocalyx
Eucrypta chrysanthemifolia
- Common Eucrypta
Eucrypta chrysanthemifolia var. bipinnatifida
Eucrypta chrysanthemifolia var. chrysanthemifolia
- Common Eucrypta
Eucrypta micrantha
Heliotropium convolvulaceum
Heliotropium convolvulaceum var. californicum
Nama demissum
Nama demissum var. demissum
Nama hispidum
Nama hispidum var. spathulatum
Nama pusilla
Nemophila menziesii
- Baby Blue Eyes
Nemophila menziesii var. integrifolia
Pectocarya heterocarpa
Pectocarya penicillata
- Tufted Combseed
Pectocarya peninsularis
- Peninsular Combseed
Pectocarya platycarpa
Pectocarya recurvata
Pectocarya setosa
Phacelia affinis
Phacelia bicolor
Phacelia bicolor var. bicolor
Phacelia campanularia
Phacelia campanularia subsp. campanularia
Phacelia campanularia subsp. vasiformis
Phacelia crenulata
- Crenulate Phacelia
Phacelia crenulata var. ambigua
Phacelia crenulata var. crenulata
Phacelia crenulata var. minutiflora
Phacelia cryptantha
Phacelia curvipes
Phacelia distans
- Distant Phacelia
Phacelia fremontii
Phacelia hastata
Phacelia hastata subsp. hastata
Phacelia ivesiana
Phacelia lemmonii
Phacelia neglecta
Phacelia pedicellata
Phacelia rotundifolia
Pholisma arenarium
Pholistoma membranaceum
Plagiobothrys arizonicus
Plagiobothrys canescens
- Valley Popcornflower
Plagiobothrys canescens var. canescens
- Valley Popcornflower
Plagiobothrys jonesii
Tiquilia canescens
Tiquilia canescens var. canescens
Tiquilia plicata
Tricardia watsonii
BRASSICACEAE
Boechera dispar
- pinyon rockcress
Boechera glaucovalvula
- bluepod rockcress
Boechera lincolnensis
- Munci's rockcress
Boechera perennans
- perennial rockcress
Boechera pulchra
- desert rockcress
Boechera xylopoda
- desert rockcress
Brassica tournefortii
- Sahara Mustard
Caulanthus cooperi
- Cooper's wildcabbage
Caulanthus hallii
- Hall's wild cabbage
Caulanthus lasiophyllus
- California Mustard
Descurainia pinnata
- Tansy-Mustard
Descurainia pinnata subsp. glabra
- western tansy mustard
Descurainia pinnata subsp. ochroleuca
- western tansy mustard
Diplotaxis muralis
- annual wallrocket
Dithyrea californica
- California spectaclepod
Draba cuneifolia
- Whitlow-Grass
Erysimum capitatum
- western wallflower
Erysimum capitatum var. capitatum
- San Luis Obispo wallflower
Hirschfeldia incana
- Short-Pod Mustard
Hornungia procumbens
- ovalpurse
Lepidium fremontii
- desert pepperweed
Lepidium lasiocarpum
- Sand Peppergrass
Lepidium lasiocarpum subsp. lasiocarpum
- Sand Peppergrass
Physaria tenella
- Moapa bladderpod
Raphanus raphanistrum
- Jointed Charlock
Sisymbrium altissimum
- Tumble Mustard
Sisymbrium irio
- London Rocket Mustard
Sisymbrium orientale
- Oriental Hedge Mustard
Stanleya pinnata
- desert prince's-plume
Stanleya pinnata var. pinnata
- pinnate princesplume
Streptanthella longirostris
- longbeak fiddle mustard
Streptanthus campestris
- southern jewelflower
Thysanocarpus curvipes
- Lacepod, Fringepod
Thysanocarpus desertorum
- mountain fringepod
Thysanocarpus laciniatus
- Notch Fringepod
CACTACEAE
Coryphantha alversonii
- Alverson's foxtail cactus
Cylindropuntia bigelovii
- Cholla velas de Coyote
Cylindropuntia echinocarpa
- Silver Cholla
Cylindropuntia ramosissima
- Cholla diamante
Echinocactus polycephalus
- Biznaga-tonel amacollada
Echinocactus polycephalus var. polycephalus
- cottontop cactus
Echinocereus engelmannii
- Engelmann's hedgehog cactus
Echinocereus mojavensis
- Mohave hedgehog cactus
Ferocactus cylindraceus
- California Barrel Cactus
Grusonia parishii
- matted cholla
Mammillaria tetrancistra
- Biznaga de cuatro ganchos
Opuntia basilaris
- Nopal del castor
Opuntia basilaris var. basilaris
- Beavertail Cactus
Opuntia chlorotica
- Nopal verdoso
Opuntia engelmannii
Opuntia engelmannii var. engelmannii
- pricklypear
Opuntia phaeacantha
- Kingman pricklypear
Opuntia polyacantha
- plains pricklypear
Opuntia polyacantha var. erinacea
- Utah pricklypear
CAMPANULACEAE
Nemacladus glanduliferus
Nemacladus longiflorus
Nemacladus longiflorus var. breviflorus
Nemacladus orientalis
Nemacladus pinnatifidus
Nemacladus rubescens
Nemacladus sigmoideus
Nemacladus tenuis
Nemacladus tenuis var. aliformis
CANNABACEAE
Celtis reticulata
- netleaf hackberry
CARYOPHYLLACEAE
Achyronychia cooperi
- Cooper's frostmat
Eremogone macradenia
- Mojave sandwort
Eremogone macradenia var. macradenia
- Mojave sandwort
Minuartia douglasii
- Douglas' stitchwort
Silene antirrhina
- Snapdragon Catchfly
Silene verecunda
- Mission Dolores campion
CHENOPODIACEAE
Atriplex canescens
- Fourwing Saltbush
Atriplex canescens var. canescens
- fourwing saltbush
Atriplex canescens var. laciniata
- fourwing saltbush
Atriplex canescens var. linearis
- thinleaf fourwing saltbush
Atriplex elegans
- wheelscale
Atriplex elegans var. fasciculata
- wheelscale
Atriplex hymenelytra
- desert holly
Atriplex polycarpa
- Many-Fruit Saltbush
Chenopodium californicum
- California Goosefoot
Chenopodium fremontii
- Fremont's goosefoot
Chenopodium incanum
- nealy goosefoot
Chenopodium incanum var. occidentale
- mealy goosefoot
Chenopodium murale
- Nettle-Leaf Goosefoot
Grayia spinosa
- spiny hopsage
Monolepis nuttalliana
- patata
Salsola tragus
- prickly Russian thistle
Suaeda nigra
- desert seepweed
CLEOMACEAE
Peritoma arborea
- Bladderpod
Peritoma arborea var. angustata
- bladderpod spiderflower
Peritoma arborea var. arborea
- Coast Bladderpod
Wislizenia refracta
- jackass clover
Wislizenia refracta subsp. refracta
- spectacle fruit
CONVOLVULACEAE
Cuscuta californica
- California/Chaparral Dodder
Cuscuta californica var. californica
- California/Chaparral Dodder
Cuscuta denticulata
- smalltooth dodder
Cuscuta subinclusa
- Canyon Dodder
CRASSULACEAE
Crassula connata
- Pygmyweed
Dudleya saxosa
- Panamint liveforever
Dudleya saxosa subsp. aloides
- Panamint liveforever
CROSSOSOMATACEAE
Crossosoma bigelovii
- gray fruit crossosoma
CUCURBITACEAE
Brandegea bigelovii
- desert starvine
Cucurbita foetidissima
- Stinking Gourd, Calabazilla
Cucurbita palmata
- coyote melon
Marah macrocarpa
- Wild Cucumber, Man-root
CUPRESSACEAE
Juniperus californica
- California Juniper
CYPERACEAE
Bolboschoenus maritimus
- Prairie Bulrush
Bolboschoenus maritimus subsp. paludosus
- Prairie Bulrush
Carex douglasii
- Douglas sedge
Cyperus laevigatus
- smooth nutgrass
Cyperus squarrosus
- bearded nutgrass
Eleocharis macrostachya
- Pale Spike-Rush
Eleocharis parishii
- Parish’s Spike-Rush
Eleocharis parvula
- little-head spikerush
Schoenoplectus acutus
- hardstem bulrush
Schoenoplectus acutus var. occidentalis
- Viscid Bulrush
Schoenoplectus americanus
- Olney’s Bulrush
DRYOPTERIDACEAE
Dryopteris arguta
- Coastal Woodfern
ELATINACEAE
Elatine rubella
- southwestern waterwort
EPHEDRACEAE
Ephedra aspera
- Arizona jointfir
Ephedra californica
- California jointfir
Ephedra nevadensis
- Nevada jointfir
Ephedra trifurca
- longleaf ephedra
Ephedra viridis
- Mormon tea
EQUISETACEAE
Equisetum laevigatum
- Smooth Scouring-rush
ERICACEAE
Arctostaphylos glauca
- bigberry manzanita
EUPHORBIACEAE
Bernardia incana
- southwest bernardia
Croton californicus
- California Croton
Ditaxis lanceolata
- Narrowleaf Silverbush
Ditaxis neomexicana
- Yuma silverbush
Ditaxis serrata
- Yuma silverbush
Ditaxis serrata var. californica
- California ditaxis
Ditaxis serrata var. serrata
Euphorbia abramsiana
- Abrams' sandmat
Euphorbia albomarginata
- White-Margin Sandwort
Euphorbia eriantha
- Mexican poinsettia
Euphorbia micromera
- Sonora Sandmat
Euphorbia polycarpa
- Small-Seed Sandmat
Euphorbia revoluta
- threadstem spurge
Euphorbia serpyllifolia
- thymeleaf sandmat
Euphorbia serpyllifolia subsp. serpyllifolia
- thymeleaf spurge
Euphorbia setiloba
- Shaggy Spurge
Stillingia linearifolia
- narrowleaf stillingia
Stillingia paucidentata
- Mojave toothleaf
Stillingia spinulosa
- annual stillingia
FABACEAE
Acmispon americanus
- American Lotus, Spanish-Clover
Acmispon americanus var. americanus
- American Lotus, Spanish-Clover
Acmispon glaber
- Deerweed
Acmispon glaber var. brevialatus
- Short-Wing Deerweed
Acmispon heermannii
- Heermann’s Lotus
Acmispon heermannii var. heermannii
- Heermann's bird's-foot trefoil
Acmispon maritimus
- Alkali Lotus
Acmispon maritimus var. brevivexillus
- Humble Lotus
Acmispon nevadensis
- Nevada bird's-foot trefoil
Acmispon nevadensis var. nevadensis
- Nevada bird's-foot trefoil
Acmispon procumbens
- silky deerweed
Acmispon procumbens var. procumbens
- silky deerweed
Acmispon rigidus
- shrubby deervetch
Acmispon strigosus
- Strigose Lotus
Astragalus acutirostris
- sharpkeel milkvetch
Astragalus aridus
- annual desert milkvetch
Astragalus bernardinus
- lesser threekeel milkvetch
Astragalus coccineus
- scarlet milkvetch
Astragalus didymocarpus
- White Dwarf Locoweed
Astragalus didymocarpus var. dispermus
- Wickenburg milkvetch
Astragalus insularis
- Cedros milkvetch
Astragalus insularis var. harwoodii
- Harwood milkvetch
Astragalus layneae
- widow's milkvetch
Astragalus lentiginosus
- speckledpod milkvetch
Astragalus lentiginosus var. fremontii
- Fremont's milkvetch
Astragalus lentiginosus var. variabilis
- Victorville freckled milkvetch
Astragalus mohavensis
- Mojave milkvetch
Astragalus mohavensis var. mohavensis
- Mojave milkvetch
Astragalus nutans
- chuckwalla milkvetch
Astragalus nuttallianus
- Nuttall's Milkvetch
Astragalus nuttallianus var. cedrosensis
- turkey peas
Astragalus nuttallianus var. imperfectus
- turkey peas
Astragalus palmeri
- Palmer's milkvetch
Astragalus tricarinatus
- triple-ribbed milkvetch
Dalea mollis
- soft dalea
Dalea mollissima
- Soft Prairie Clover
Glycyrrhiza lepidota
- wild licorice
Hoffmannseggia glauca
- hog potato
Hoffmannseggia microphylla
- wand holdback
Lupinus agardhianus
- Bajada Lupine
Lupinus andersonii
- Anderson's lupine
Lupinus arizonicus
- Arizona Lupine
Lupinus brevicaulis
- shortstem lupine
Lupinus concinnus
- Bajada Lupine
Lupinus excubitus
- bush lupine
Lupinus excubitus var. austromontanus
- mountain bush lupine
Lupinus excubitus var. excubitus
- interior bush lupine
Lupinus excubitus var. hallii
- Hall's bush lupine
Lupinus shockleyi
- desert lupine
Lupinus sparsiflorus
- Coulter’s Lupine
Marina parryi
- Parry's indigobush
Medicago polymorpha
- Burclover
Olneya tesota
- Ironwood
Parkinsonia florida
- blue palo verde
Prosopis glandulosa
- Mesquite
Prosopis glandulosa var. torreyana
- Honey Mesquite
Prosopis pubescens
- screwbean
Psorothamnus arborescens
- Mojave dalea
Psorothamnus arborescens var. simplicifolius
- California indigobush
Psorothamnus emoryi
- white dalea
Psorothamnus polydenius
- Nevada smokebush
Psorothamnus schottii
- Indigo Bush
Psorothamnus spinosus
- smoketree
Senegalia greggii
- Wright's catclaw
Senna armata
- desert senna
Trifolium gracilentum
- pinpoint clover
Trifolium microcephalum
- Maiden Clover
Trifolium variegatum
- white-tip clover
Trifolium variegatum var. variegatum
- white-tip clover
Trifolium willdenovii
- Valley Clover
FAGACEAE
Quercus sp.
- chêne
Quercus cornelius-mulleri
- Muller oak
Quercus john-tuckeri
- Tucker's oak
Quercus palmeri
- Palmer's oak
FOUQUIERIACEAE
Fouquieria splendens
- Ocotillo
Fouquieria splendens subsp. splendens
GARRYACEAE
Garrya flavescens
- ashy silktassel
GENTIANACEAE
Zeltnera exaltata
- desert centaury
GERANIACEAE
Erodium cicutarium
- Red-Stem Filaree/Storksbill
Erodium texanum
- Desert Filaree/Storksbill
JUNCACEAE
Juncus acutus
- spiny rush
Juncus acutus subsp. leopoldii
- Southwestern Spiny Rush
Juncus bufonius
- Toad Rush
Juncus bufonius var. bufonius
- toad rush
Juncus bufonius var. congestus
- toad rush
Juncus macrophyllus
- Long-Leaf Rush
Juncus mexicanus
- Mexican rush
Juncus tiehmii
- Tiehm's rush
Juncus torreyi
- Torrey rush
Juncus xiphioides
- Iris-Leaf Rush
KRAMERIACEAE
Krameria bicolor
- White Rhatany
Krameria erecta
- Pima Rhatany
LAMIACEAE
Hyptis emoryi
- Desert-Lavender
Marrubium vulgare
- Horehound
Monardella linoides
- narrowleaf monardella
Monardella linoides subsp. linoides
- flaxleaf mountainbalm
Monardella robisonii
- Robison's monardella
Salvia apiana
- White Sage
Salvia columbariae
- Chia
Salvia dorrii subsp. dorrii
- Dorr's sage
Salvia dorrii var. pilosa
- purple sage
Salvia leucophylla
- San Luis Purple Sage
Salvia mohavensis
- Mojave sage
Salvia pachyphylla
- rose sage
Salvia vaseyi
- scallopleaf sage
Scutellaria mexicana
- bladdersage
LILIACEAE
Calochortus kennedyi
Calochortus kennedyi var. kennedyi
Calochortus striatus
LOASACEAE
Mentzelia affinis
Mentzelia albicaulis
Mentzelia involucrata
- Sand Blazing Star
Mentzelia jonesii
Mentzelia nitens
Mentzelia obscura
Mentzelia puberula
Mentzelia veatchiana
Petalonyx linearis
Petalonyx thurberi
Petalonyx thurberi subsp. thurberi
LYTHRACEAE
Punica granatum
- pomegranate
MALVACEAE
Ayenia compacta
- compact ayenia
Eremalche exilis
- white-mallow
Eremalche rotundifolia
- Desert Five-Spot
Hibiscus denudatus
- Rock Hibiscus
Sphaeralcea ambigua
- desert globemallow
Sphaeralcea ambigua var. ambigua
- apricot mallow
Sphaeralcea angustifolia
- copper globemallow
Sphaeralcea emoryi
- globemallow
Sphaeralcea emoryi var. emoryi
- globemallow
Sphaeralcea rusbyi
- cutleaf globemallow
Sphaeralcea rusbyi var. eremicola
- Rusby's desert-mallow
MARSILEACEAE
Marsilea vestita
- hairy pepperwort
Marsilea vestita subsp. vestita
- hairy pepperwort
MARTYNICACEAE
Proboscidea parviflora
- devilsclaw
Proboscidea parviflora subsp. parviflora
- doubleclaw
MELANTHIACEAE
Toxicoscordion brevibracteatum
MOLLUGINACEAE
Mollugo cerviana
- slender carpet-weed
MONTIACEAE
Calyptridium monandrum
- Common Calyptridium
Claytonia parviflora
- littleleaf springbeauty
Claytonia parviflora subsp. utahensis
- streambank springbeauty
Claytonia parviflora subsp. viridis
- streambank springbeauty
NYCTAGINACEAE
Abronia villosa
- desert sand verbena
Abronia villosa var. villosa
- woolly desert sand verbena
Allionia incarnata
- Trailing Windmills
Allionia incarnata var. incarnata
- Typical Trailing Windmills
Allionia incarnata var. villosa
- trailing windmills
Boerhavia coccinea
- scarlet spiderling
Boerhavia coulteri
- Coulter's spiderling
Boerhavia coulteri var. palmeri
- Coulter's spiderling
Boerhavia triquetra
- Slender Spiderling
Boerhavia triquetra var. intermedia
- Five-wing Spiderling
Boerhavia wrightii
- Wright's boerhavia
Mirabilis albida
- little four-o'clock
Mirabilis laevis
- Wishbone Plant
Mirabilis laevis var. crassifolia
- Coastal Wishbone Plant
Mirabilis laevis var. retrorsa
- wishbone-bush
Mirabilis laevis var. villosa
- wishbone-bush
OLEACEAE
Forestiera pubescens
- New Mexico forestiera
Fraxinus velutina
- velvet ash
Menodora scabra
- rough menodora
Menodora scabra var. glabrescens
- rough menodora
Menodora spinescens
- spiny menodora
Menodora spinescens var. mohavensis
- spiny menodora
ONAGRACEAE
Camissonia campestris
- Mojave suncup
Camissonia campestris subsp. campestris
- Mojave suncup
Camissoniopsis pallida
- paleyellow suncup
Camissoniopsis pallida subsp. hallii
- Hall's suncup
Camissoniopsis pallida subsp. pallida
- paleyellow suncup
Chylismia brevipes
- yellow cups
Chylismia brevipes subsp. brevipes
- golden suncup
Chylismia cardiophylla
- heartleaf suncup
Chylismia cardiophylla subsp. cardiophylla
- heartleaf suncup
Chylismia claviformis
- Clavate Evening-Primrose
Chylismia claviformis subsp. aurantiaca
- browneyes
Chylismia claviformis subsp. claviformis
- browneyes
Epilobium canum
- California Fuchsia, Hummingbird Trumpet
Epilobium canum subsp. latifolium
- hummingbird trumpet
Epilobium ciliatum
- Willow Herb
Epilobium ciliatum subsp. ciliatum
- Hairy Willow Herb
Eremothera boothii
- Booth's Evening-Primrose
Eremothera boothii subsp. condensata
- Desert Lantern
Eremothera boothii subsp. desertorum
- desert suncup
Eremothera chamaenerioides
- longcapsule suncup
Eremothera refracta
- narrowleaf suncup
Eulobus californicus
- False-Mustard
Oenothera californica
- California eveningprimrose
Oenothera californica subsp. avita
- California evening-primrose
Oenothera californica subsp. californica
- California evening-primrose
Oenothera cespitosa
- tufted eveningprimrose
Oenothera cespitosa subsp. crinita
- tufted eveningprimrose
Oenothera deltoides
- birdcage eveningprimrose
Oenothera deltoides subsp. deltoides
- triangle eveningprimrose
Oenothera primiveris
- desert eveningprimrose
Oenothera primiveris subsp. bufonis
- desert eveningprimrose
ORCHIDACEAE
Epipactis gigantea
OROBANCHACEAE
Castilleja chromosa
- Ewan's Indian paintbrush
Castilleja foliolosa
- Woolly Paintbrush
Orobanche bulbosa
- chaparral broomrape
Orobanche cooperi
- Cooper's broomrape
Orobanche fasciculata
- tufted broomrape
Orobanche parishii
- Parish's broomrape
Orobanche parishii subsp. parishii
- Parish's broomrape
PAPAVERACEAE
Argemone corymbosa
- Mojave pricklypoppy
Argemone munita
- flatbud prickly poppy
Eschscholzia androuxii
Eschscholzia minutiflora
- Pygmy Gold-Poppy
Eschscholzia papastillii
Eschscholzia parishii
- Parish's Poppy
Platystemon californicus
- Cream Cups
PHRYMACEAE
Diplacus bigelovii
- Bigelow’s Monkey Flower
Diplacus bigelovii var. bigelovii
- Typical Bigelow's Monkey Flower
Diplacus calycinus
- Kaweah River bush monkeyflower
Diplacus fremontii
- onesided monkeyflower
Erythranthe guttata
- Seep Monkey Flower
Erythranthe parishii
- Parish's monkeyflower
Erythranthe rubella
- red monkeyflower
Mimetanthe pilosa
- Downy Monkey Flower
PICRODENDRACEAE
Tetracoccus hallii
- chuckawallabush
PINACEAE
Pinus monophylla
- piñón simple
PLANTAGINACEAE
Antirrhinum coulterianum
- Coulter's snapdragon
Antirrhinum filipes
- Filipes' snapdragon
Keckiella antirrhinoides
- Yellow Bush Penstemon
Keckiella antirrhinoides var. microphylla
- bush penstemon
Mohavea confertiflora
- Ghost Flower
Penstemon centranthifolius
- scarlet bugler
Penstemon clevelandii
- Cleveland's beardtongue
Penstemon clevelandii var. mohavensis
- Cleveland's beardtongue
Penstemon eatonii
- Eaton's penstemon
Penstemon eatonii var. eatonii
- beardtongue
Penstemon eatonii var. undosus
- Eaton's penstemon
Penstemon incertus
- Mojave beardtongue
Penstemon thurberi
- Thurber's penstemon
Plantago ovata
- Woolly Plantain
Plantago ovata var. fastigiata
- Desert Wooly Plantain
Plantago patagonica
- woolly Indianwheat
POACEAE
Aristida adscensionis
- Six-Weeks Three-Awn
Aristida californica
- California threeawn
Aristida purpurea
- red threeawn
Aristida purpurea var. fendleriana
- Fendler's threeawn
Aristida purpurea var. longiseta
- red threeawn (Fendler)
Aristida purpurea var. nealleyi
- blue threeawn
Aristida purpurea var. parishii
- Parish threeawn
Aristida purpurea var. purpurea
- purple threeawn
Aristida purpurea var. wrightii
- wright threeawn
Avena fatua
- Insipid Wild Oat
Bothriochloa barbinodis
- Cane Bluestem
Bouteloua aristidoides
- needle grama
Bouteloua aristidoides var. aristidoides
- Arizona needle grama
Bouteloua barbata
- sixweeks grama
Bouteloua barbata var. barbata
Bouteloua curtipendula
- sideoats grama
Bromus berteroanus
- Chilean chess
Bromus carinatus
- California Brome
Bromus carinatus var. carinatus
- California Brome
Bromus catharticus
Bromus catharticus var. catharticus
- Rescue Grass
Bromus diandrus
- Ripgut Grass
Bromus hordeaceus
- Soft Chess
Bromus madritensis
- Madrid Brome
Bromus madritensis subsp. madritensis
- Madrid Brome
Bromus madritensis subsp. rubens
- Red Brome
Bromus tectorum
- cheatgrass
Chloris virgata
- showy chloris
Crypsis schoenoides
- Prickle Grass
Cynodon dactylon
- Bermuda Grass
Dasyochloa pulchella
- low woollygrass
Deschampsia elongata
- slender hairgrass
Distichlis spicata
- Salt Grass
Echinochloa crus-galli
- Common Barnyard Grass
Elymus elymoides
- squirreltail
Elymus elymoides var. brevifolius
- squirreltail
Elymus elymoides var. elymoides
- squirreltail
Eragrostis cilianensis
- strongscented lovegrass
Eragrostis pectinacea
- Sanibel Island lovegrass
Eragrostis pectinacea var. pectinacea
- Purple lovegrass
Festuca bromoides
- desert fescue
Festuca microstachys
- Pacific fescue
Festuca myuros
- Rat-Tail Fescue
Festuca octoflora
- eight-flower six-weeks grass
Hilaria rigida
- big galleta
Hordeum jubatum
- foxtail barley
Hordeum jubatum subsp. jubatum
- foxtail barley
Hordeum murinum
- Wall Barley
Hordeum murinum subsp. glaucum
- Glaucous Barley
Hordeum murinum subsp. leporinum
- Hare Barley
Leptochloa fusca
- Malabar sprangletop
Leptochloa fusca subsp. uninervia
- Mexican sprangletop
Melica bulbosa
- bulbous oniongrass
Melica frutescens
- woody melic
Melica imperfecta
- Coast Range Melic
Muhlenbergia appressa
- spreading littleseed muhly
Muhlenbergia microsperma
- Little-Seed Muhly
Muhlenbergia minutissima
- dropseed
Muhlenbergia porteri
- bush muhly
Muhlenbergia rigens
- Deergrass
Panicum hirticaule
- roughstalk witchgrass
Panicum hirticaule subsp. hirticaule
- Mexican panicgrass
Panicum miliaceum
- panicum
Panicum miliaceum subsp. miliaceum
- panicum
Pennisetum setaceum
- African Fountain Grass
Phragmites australis
- common reed
Poa bigelovii
- Bigelow bluegrass
Poa secunda
- One-Sided Blue Grass
Poa secunda subsp. secunda
Polypogon maritimus
- Mediterranean rabbitsfoot grass
Polypogon monspeliensis
- Annual Beard Grass
Polypogon viridis
- Water Beardgrass
Schismus arabicus
- Arabian schismus
Schismus barbatus
- Mediterranean Schismus
Sorghum halepense
- zacate Johnson
Sporobolus airoides
- Tharp's dropseed
Sporobolus contractus
- spike dropseed
Sporobolus cryptandrus
- sand dropseed
Sporobolus flexuosus
- mesa dropseed
Stipa capensis
Stipa cernua
- nodding tussockgrass
Stipa comata
- needleandthread
Stipa comata var. intermedia
- needleandthread
Stipa hymenoides
- Indian ricegrass
Stipa parishii
- Parish's needlegrass
Stipa parishii var. parishii
Stipa speciosa
- desert needlegrass
Tridens muticus
- slim tridens
Tridens muticus var. muticus
- rough tridens
POLEMONIACEAE
Aliciella latifolia
- broadleaf gilia
Aliciella latifolia subsp. latifolia
- broadleaf gilia
Eriastrum densifolium
- dense eriastrum
Eriastrum densifolium subsp. austromontanum
- giant woolstar
Eriastrum densifolium subsp. elongatum
- giant woolstar
Eriastrum diffusum
- miniature woolstar
Eriastrum eremicum
- Desert Woolly-Star
Eriastrum eremicum subsp. eremicum
- Typical Desert Woolly-Star
Eriastrum harwoodii
- Harwood's woollystar
Gilia brecciarum
- break gilia
Gilia brecciarum subsp. brecciarum
- Nevada gilia
Gilia clokeyi
- Clokey's gily-flower
Gilia latiflora
- hollyleaf gilia
Gilia latiflora subsp. davyi
- hollyleaf gilia
Gilia sinuata
- rosy gilia
Gilia stellata
- Star Gilia
Gilia transmontana
- transmontane gily-flower
Langloisia setosissima
- Bristly Langloisia
Langloisia setosissima subsp. punctata
- Great Basin langloisia
Langloisia setosissima subsp. setosissima
- Typical Bristly Langloisia
Leptosiphon aureus
- golden deserttrumpets
Leptosiphon aureus subsp. aureus
- golden deserttrumpets
Leptosiphon aureus subsp. decorus
- golden deserttrumpets
Linanthus bigelovii
- Bigelow's deserttrumpets
Linanthus dichotomus
- evening snow
Linanthus dichotomus subsp. dichotomus
- eveningsnow
Linanthus jonesii
- Jones' desert-trumpets
Linanthus maculatus
- San Bernardino Mountain gilia
Linanthus maculatus subsp. maculatus
Linanthus pungens
- granite prickly phlox
Loeseliastrum matthewsii
- desert calico
Loeseliastrum schottii
- Schott's calico
Saltugilia latimeri
Saltugilia splendens
- Grinnell's gilia
Saltugilia splendens subsp. splendens
- grand gilia
POLYGALACEAE
Polygala acanthoclada
- thorny polygala
POLYGONACEAE
Centrostegia thurberi
- spring flower
Chorizanthe brevicornu
- Brittle Spineflower
Chorizanthe brevicornu var. brevicornu
- Brittle Spineflower
Chorizanthe corrugata
- wrinkled chorizanthe
Chorizanthe rigida
- Rigid Spineflower
Chorizanthe watsonii
- Watson's chorizanthe
Eriogonum angulosum
- anglestem buckwheat
Eriogonum baileyi
- Bailey's buckwheat
Eriogonum baileyi var. baileyi
- Bailey's buckwheat
Eriogonum brachyanthum
- shortflower buckwheat
Eriogonum brachypodum
- Parry's wild buckwheat
Eriogonum davidsonii
- Davidson's wild buckwheat
Eriogonum deflexum
- skeletonweed buckwheat
Eriogonum deflexum var. baratum
- flatcrown buckwheat
Eriogonum deflexum var. deflexum
- flatcrown buckwheat
Eriogonum elongatum
- Long-Stem Wild Buckwheat
Eriogonum elongatum var. elongatum
- Long-Stem Wild Buckwheat
Eriogonum fasciculatum
- California Buckwheat
Eriogonum fasciculatum var. flavoviride
- Eastern Mojave buckwheat
Eriogonum fasciculatum var. polifolium
- Mountain California Buckwheat
Eriogonum heermannii
- Heermann's buckwheat
Eriogonum heermannii var. argense
- Heermann's buckwheat
Eriogonum inflatum
- Desert Trumpet
Eriogonum maculatum
- spotted wild buckwheat
Eriogonum nidularium
- birdnest wild buckwheat
Eriogonum nudum
- nakedstem buckwheat
Eriogonum nudum var. pauciflorum
- naked buckwheat
Eriogonum plumatella
- yucca buckwheat
Eriogonum pusillum
- puny buckwheat
Eriogonum reniforme
- kidneyleaf buckwheat
Eriogonum saxatile
- rock buckwheat
Eriogonum thomasii
- Thomas’s Buckwheat
Eriogonum thurberi
- Thurber's wild buckwheat
Eriogonum trichopes
- little deserttrumpet
Eriogonum viridescens
- twotooth buckwheat
Eriogonum wrightii
- Wright's buckwheat
Eriogonum wrightii var. membranaceum
- bastardsage
Eriogonum wrightii var. nodosum
- shrubby buckwheat
Eriogonum wrightii var. wrightii
- Wright's bastardsage
Nemacaulis denudata
- woollyheads
Nemacaulis denudata var. gracilis
- cottonheads
Persicaria lapathifolia
- Willow Smartweed
Polygonum aviculare
- Knotweed
Polygonum aviculare subsp. depressum
- renouée à petits fruits
Pterostegia drymarioides
- Granny’s Hairnet
Rumex crispus
- Curly Dock
Rumex hymenosepalus
- Desert Rhubarb
Sidotheca trilobata
- threelobe starry puncturebract
PORTULACACEAE
Portulaca halimoides
- sinkerleaf purslane
Portulaca oleracea
- Common Purslane
Portulaca oleracea subsp. impolita
- Common Purslane
POTAMOGETONACEAE
Potamogeton foliosus
Potamogeton foliosus subsp. foliosus
Potamogeton nodosus
PTERIDACEAE
Adiantum capillus-veneris
- Southern Maidenhair
Cheilanthes covillei
- Coville’s Lip Fern
Cheilanthes feei
- Fee's lipfern
Cheilanthes parryi
- Parry’s Cloak Fern
Cheilanthes viscida
- viscid lipfern
Pellaea mucronata
- Bird’s Foot Cliff-Brake
Pellaea mucronata var. californica
- Bird’s Foot Cliff-Brake
Pellaea mucronata var. mucronata
- Bird’s Foot Cliff-Brake
Pentagramma triangularis
- California Goldback Fern
Pentagramma triangularis subsp. maxonii
- Maxon's goldfern
Pentagramma triangularis subsp. triangularis
- goldfern
RANUNCULACEAE
Clematis pauciflora
- Ropevine Clematis
Delphinium parishii
- desert larkspur
Delphinium parishii subsp. parishii
- Parish's desert larkspur
Myosurus cupulatus
- Arizona mousetail
RESEDACEAE
Oligomeris linifolia
- Narrow-Leaf Oligomeris
RHAMNACEAE
Ceanothus perplexans
- Gregg's ceanothus
Colubrina californica
- California colubrina
Rhamnus ilicifolia
- Holly-Leaf Redberry
Ziziphus obtusifolia
- Lote bush
Ziziphus obtusifolia var. canescens
- grayleaf condalia
Ziziphus parryi
- lotebush
Ziziphus parryi var. parryi
- lotebush
ROSACEAE
Amelanchier utahensis
- Utah serviceberry
Cercocarpus betuloides
- Birch-Leaf Mountain-Mahogany
Cercocarpus betuloides var. betuloides
- Birch-Leaf Mountain-Mahogany
Coleogyne ramosissima
- blackbrush
Ivesia saxosa
- tapertip cinquefoil
Prunus fasciculata
- desert peach
Prunus fasciculata var. fasciculata
- desert almond
Prunus ilicifolia
- Holly-Leaf Cherry
Prunus ilicifolia subsp. ilicifolia
- Holly-Leaf Cherry
Purshia tridentata
- antelope bitterbrush
Purshia tridentata var. glandulosa
- desert bitterbrush
RUBIACEAE
Galium angustifolium
- Narrow-Leaf Bedstraw
Galium angustifolium subsp. gracillimum
- slender bedstraw
Galium aparine
- Common Bedstraw, Goose Grass
Galium multiflorum
- Watson's bedstraw
Galium munzii
- Munz's bedstraw
Galium stellatum
- desert bedstraw
RUSCACEAE
Nolina bigelovii
Nolina parryi
RUTACEAE
Thamnosma montana
- Mohave desertrue
SALICACEAE
Populus fremontii
- Western Cottonwood
Populus fremontii subsp. fremontii
- Fremont's Cottonwood
Salix exigua
- Narrow-Leaf Willow
Salix exigua var. exigua
- Narrow-Leaf Willow
Salix exigua var. hindsiana
- Hinds's Willow
Salix gooddingii
- Goodding’s Black Willow
Salix laevigata
- Red Willow
Salix lasiolepis
- Arroyo Willow
SAURURACEAE
Anemopsis californica
- Yerba Mansa
SELAGINELLACEAE
Selaginella bigelovii
- Bigelow’s Spike-Moss
Selaginella eremophila
- desert spikemoss
SIMAROUBACEAE
Castela emoryi
- crucifixion-thorn
SIMMONDSIACEAE
Simmondsia chinensis
- Jojoba
SOLANACEAE
Datura discolor
- desert thornapple
Datura wrightii
- Western Jimson Weed
Lycium andersonii
- desert Anderson wolfberry
Lycium cooperi
- Cooper's wolfberry
Lycium parishii
- Parish's wolfberry
Nicotiana attenuata
- coyote tabacco
Nicotiana obtusifolia
- Indian tobacco
Physalis crassifolia
- Desert Ground-Cherry
Physalis lobata
- purpleflower groundcherry
Solanum americanum
- White Nightshade
Solanum xanti
- Chaparral Nightshade
TAMARICACEAE
Tamarix ramosissima
- Saltcedar Tamarisk
THEMIDACEAE
Androstephium breviflorum
Dichelostemma capitatum
- School Bells
Dichelostemma capitatum subsp. capitatum
- School Bells
Dichelostemma capitatum subsp. pauciflorum
- Few-Flowered Blue Dicks/School Bells
TYPHACEAE
Typha domingensis
- Southern Cattail
Typha latifolia
- Broad-Leaf Cattail
ULMACEAE
Ulmus parvifolia
- Chinese Elm
URTICACEAE
Parietaria hespera
- Western Pellitory
Parietaria hespera var. hespera
- Western Pellitory
VERBENACEAE
Aloysia wrightii
- mintbush lippia
Verbena lasiostachys
- Western Vervain
Verbena lasiostachys var. lasiostachys
- Western Vervain
VISCACEAE
Phoradendron bolleanum
- Bollean mistletoe
Phoradendron californicum
- Desert Mistletoe
Phoradendron serotinum
- oak mistletoe
Phoradendron serotinum subsp. tomentosum
- Christmas mistletoe
WOODSIACEAE
Woodsia oregana
- woodsie de l'Oregon
Woodsia plummerae
- Plummer's cliff fern
ZYGOPHYLLACEAE
Fagonia laevis
- California Fagonia
Fagonia pachyacantha
- sticky fagonia
Kallstroemia californica
- California Caltrop
Kallstroemia parviflora
- warty caltrop
Larrea tridentata
- Creosote Bush
Tribulus terrestris
- Puncture Vine