List by Scientific Name - List by Common Name

Partial List of Plants of the Sonoran Desert
Sorted by Common Name

• Home Page
• Destinations
  • Montana
  • Sonoran Desert*
  • Other Places
• Birds
  • Montana
  • Sonoran Desert*
• Plants
  • Montana
  • Sonoran Desert*
• Wildlife
  • Montana Insects
  • Montana Wildlife
• Photo Galleries

• Abert's wild buckwheat -Eriogonum abertianum*
• Acuña cactus -Echinomastus erectocentrus var. Acunata*
• Adenophyllum -Adenophyllum porophylloides*
• Ajo lily, Desert lily -Hesperocallis undulata*
• Ajo oak -Quercus ajoensis*
• Alkali goldenbush (lobed leaves) -Isocoma acradenia var. acradenia*
• Alkali goldenbush (non-lobed leaves) -Isocoma acradenia var. acradenia*
• Alkali heliotrope, hierba del sapo -Heliotropium curassavicum
• Alkali sacaton, zacaton alcalino -Sporobolus airoides*
• All-thorn -Koeberlinia spinosa var. tenuispina*
• Amolillo, Shin Dagger -Agave schottii*
• Angel's trumpets (lanceolate leaves) -Acleisanthes longiflora
• Angel's trumpets (ovate-triangular leaves) -Acleisanthes longiflora
• Angle pod -Matelea parvifolia
• Annual globe mallow, mal de ojo -Sphaeralcea coulteri*
• Arabic schismus -Schismus arabicus*
• Arched comb-bur -Pectocarya recurvata*
• Arizona blanket-flower -Gaillardia arizonica*
• Arizona evening primrose -Oenothera arizonica*
• Arizona fiesta flower -Pholistoma auritum var. arizonicum*
• Arizona fluffweed -Filago arizonica
• Arizona jewelflower -Streptanthus carinatus subsp.arizonicus*
• Arizona lupine -Lupinus arizonica*
• Arizona rosewood -Vauquelinia californica*
• Arizona scarlet-bugler -Penstemon subulatus*
• Arizona snakeweed -Gutierrezia arizonica
• Arizona spike-moss, flor de piedra -Selaginella arizonica*
• Arrow weed -Pluchea purpurascens var. purpurascens (P. sericea)*
• Arrow-leaf (alternate leaves) -Pleurocoronis pluriseta
• Arrow-leaf (opposite leaves) -Pleurocoronis pluriseta
• Arroyo lupine, Coulter's lupine -Lupinus sparsiflorus*
• Ashy limberbush -Jatropha cinerea*
• Ayenia -Ayenia filiformis (Ayenia pusilla)
• Ayenia -Ayenia filiformis (Ayenia pusilla)
• Baby Bonnets -Coursetia glandulosa*
• Bare-stem larkspur -Delphinium scaposum*
• Barnyard grass, zacate de agua, zacate de corral -Echinochloa crusgalli var. crusgalli*
• Bearded cryptantha -Cryptantha barbigera*
• Bearded cupgrass, zacate taza -Eriochloa aristata var. aristata*
• Beargrass, sacahuista, basket grass -Nolina microcarpa*
• Beaver tail cactus -Opuntia basilaris*
• Bermuda grass, zacate bermuda, zacate ingles -Cynodon dactylon var. dactylon*
• Big galleta, galleta grande, tobosa -Pleuraphis rigida (Hilaria rigida)*
• Bigelow bluegrass, zacate azul nativo -Poa bigelovii*
• Bigelow linanthus -Linanthus bigelovii
• Bigelow linanthus -Linanthus bigelovii
• Bigelow's monkey flower -Mimulus bigelovii*
• Bitter condalia -Condalia globosa*
• Bitterweed -Hymenoxys odorata*
• Bladder mallow -Herissantia crispa*
• Bladder sage -Salazaria mexicana
• Blazing star -Mentzelia multiflora
• Blue dicks, wild-hyacinth, coveria -Dichelostemma capitatum subsp. pauciflorum*
• Blue Palo Verde -Parkinsonia florida (Cercidium floridum)*
• Blue sand lily -Triteleiopsis palmeri*
• Blue-eyed scorpion-weed -Phacelia distans*
• Brickell-bush -Brickellia coulteri*
• Bristly calico -Langloisia setosissimum*
• Bristly nama, morada, sandbells -Nama hispidum
• Brittle phacelia -Phacelia neglecta*
• Brittle spine-flower, short-horn spine-flower -Chorizanthe brevicornu ssp. Brevicornu*
• Brittlebush, incienso -Encelia farinosa*
• Broad-leaf gilia -Gilia latifolia
• Broad-leaf gilia -Gilia latifolia
• Broad-wing comb-bur -Pectocarya platycarpa*
• broom snakeweed -Gutierrezia sarothrae
• Brown-center brittlebush -Encelia farinosa var phenicodonta
• Brown-eyed evening primrose -Camissonia claviformis ssp. Claviformis*
• Brown-eyed evening primrose -Camissonia claviformis ssp. Peeblesii
• Brown-eyed evening primrose -Camissonia claviformis ssp. Rubescens*
• Brownfoot -Acourtia wrightii*
• Buckhorn cholla -Opuntia acanthocarpa*
• Buffelgrass, zacate buffel -Pennisetum ciliare (Cenchrus ciliaris)
• Bush muhly, zacate aparejo -Muhlenbergia porteri*
• Button Brittlebush, Green brittlebush, Rayless encelia -Encelia frutescens*
• California brome -Bromus carinatus*
• California caltrop, mal de ojo -Kallstroemia californica
• California chicory -Rafinesquia californica
• California fagonia -Fagonia californica subsp. Californica
• California fagonia -Fagonia californica subsp.californica*
• California fagonia -Fagonia callifornica subsp. longipes
• California fluffweed -Filago californica
• California snake bush, snakewood -Colubrina californica
• California suncup, mustard evening primrose -Camissonia californica*
• California three-awn, tres barbas de California -Aristida californica var. californica*
• Cane bluestem, zacate popotillo -Bothriochloa barbinodis (Andropogon barbinodis)*
• Cane cholla -Opuntia spinosior*
• Cane cholla -Opuntia spinosior*
• Cane cholla -Opuntia spinosior*
• Canutillo, tepopote, long-leaved joint-fir -Ephedra trifurca*
• Canyon ragweed, giant bursage -Ambrosia ambrosioides*
• Careless weed -Amaranthus palmeri
• Cat Claw, Wait-a-minute Bush -Acacia greggii*
• Cereus, Reina de la noche, Night-blooming cereus -Peniocereus greggii var. transmontanus (Cereus greggii)*
• Chain-fruit cholla -Opuntia fulgida var. fulgida*
• Checker fiddleneck -Amsinckia tessellata
• Chrysanthemum-leaved hideseed -Eucrypta chrysanthemifolia var. bipinnatifida*
• Chuparosa -Justicia californica*
• Climbing milkweed -Sarcostemma cynanchoides var. hartwegii*
• Clover -Trifolium lacerum*
• Coldenia, crinklemats -Tiquilia palmeri
• Common dogweed -Thymophylla pentachaeta
• Common sow thistle, chinita -Sonchus oleraceus*
• Corkseed fishhook cactus -Mammillaria tetrancistra
• Cotton-top cactus -Echinocactus polycephalus*
• Cottontop, zacate punta blanca -Digitaria californica (Trichachne californica)*
• Coulter's wrinkle-fruit -Tetraclea coulteri
• Coville barrel cactus -Ferocactus emoryi*
• Coyote gourd, calabachilla, chichi coyota -Cucurbita digitata*
• Creosote bush -Larrea divaricata subsp. tridentata (Larrea tridentata)*
• Crucifixion thorn, corona de cristo -Castela emoryi*
• Cutleaf thelypodium -Caulanthus lasiophyllus var. lasiophyllus*
• Delicate bladderpod -Lesquerella tenella
• Desert agave, Mezcal -Agave deserti subsp. Simplex*
• Desert agave, Mezcal -Agave deserti subspecies deserti*
• Desert Broom -Baccharis sarothroides*
• Desert broomrape, flor de tierra -Orobanche cooperi*
• Desert cambess, slender-leaf cambess -Oligomeris linifolia
• Desert chia, chia, california sage -Salvia columbariae*
• Desert chicory -Rafinesquia neomexicana*
• Desert chinchweed, Manzanilla del coyote -Pectis papposa var. papposa*
• Desert Christmas cholla, Tasajillo -Opuntia leptocaulis*
• Desert Christmas cholla, Tasajillo -Opuntia leptocaulis*
• Desert club cholla, Devil cholla -Grusonia kunzei (Opuntia kunzei)*
• Desert fir, Pygmy cedar -Peucephyllum schottii*
• Desert five-spot -Eremalche rotundifolium*
• Desert fleabane -Erigeron divergens (E.lobatus)*
• Desert four o'clock, desert wishbone bush -Mirabilis bigelovii var bigelovii*
• Desert globe mallow -Sphaeralcea ambigua subsp. ambigua*
• Desert groundcherry, tomatillo del desierto -Physalis crassifolia var. versicolor*
• Desert hackberry -Celtis pallida*
• Desert lavender -Hyptis emoryi*
• Desert Marigold (pinnate leaves) leaves) -Baileya multiradiata*
• Desert Marigold (simple leaves) -Baileya multiradiata*
• Desert mariposa, Red mariposa-lily, Flame mariposa -Calochortus kennedyi*
• Desert Milkweed -Asclepias subulata*
• Desert mistletoe, Toji -Phoradendron californicum*
• Desert nest-straw -Stylocline micropoides
• Desert onion, cebollin -Allium macropetalum*
• Desert Paintbrush -Castilleja chromosa*
• Desert pellitory -Parietaria floridana (Parietaria hespera)
• Desert pincushion -Chaenactis stevioides*
• Desert rockdaisy -Perityle emoryi*
• Desert rose mallow -Hibiscus coulteri*
• Desert saltbush, chamiso cenizo -Atriplex polycarpa*
• Desert seepweed, quelite salado -Suaeda moquinii (Suaeda torreyana)
• Desert senna, daisillo, hojasen -Senna covesii (Cassia covesii)*
• Desert snapdragon -Antirrhinum cyathiferum
• Desert snow -Linanthus demissus*
• Desert spike-moss, flor de piedra -Selaginella eremophila
• Desert spurge -Euphorbia polycarpa (Chamaesyce polycarpa)*
• Desert starvine -Brandegea bigelovii*
• Desert straw -Stephanomeria pauciflora var. pauciflora*
• Desert sumac -Rhus kearneyi subsp. kearneyi*
• Desert thorn, wolfberry -Lycium macrodon*
• Desert tobacco -Nicotiana obtusifolia (Nicotiana trigonophylla)*
• Desert tobacco, tobaco del coyote -Nicotiana clevelandii
• Desert tree-beargrass -Nolina bigelovii*
• Desert trumpet, bladder stem, guinagua -Eriogonum inflatum
• Desert velvet -Psathyrotes ramosissima*
• Desert willow -Chilopsis linearis*
• Desert windflower -Anemone tuberosa*
• Desert wolfberry, salicieso -Lycium andersonii
• Desert zinnia -Zinnia acerosa*
• Desert-holly -Atriplex hymenelytra
• Devil's claw, gato, una de gato, torito (alternate leaves) -Proboscidea altheaefolia
• Devil's claw, gato, una de gato, torito (opposite leaves) -Proboscidea altheaefolia
• Diamond cholla -Opuntia ramosissima*
• Dollarweed, alkali mallow -Malvella leprosa
• Drymaria -Drymaria viscosa
• Dune croton -Croton wigginsii
• Dune cryptantha -Cryptantha ganderi
• Dune primrose, White desert primrose -Oenothera deltoides subsp. deltoides*
• Dune spectacle-pod -Dimorphocarpa pinnatifida (Dithyrea wislizenii)
• Dune sunflower (alternate leaves), Mirasol -Helianthus niveus
• Dune sunflower (opposite leaves), Mirasol -Helianthus niveus*
• Dune Sunflower, desert sunflower -Geraea canescens*
• Dwarf cryptantha -Cryptantha micrantha subsp. micrantha
• Dwarf sedge -Cyperus squarrosus (Cyperus aristatus)
• Elegant lupine -Lupinus concinnus*
• Elephant tree -Bursera microphylla*
• Emory indigo-bush -Psorothamnus emoryi var. emoryi
• Engelmann prickly pear -Opuntia engelmannii var. engelmannii*
• Engelmann prickly pear -Opuntia engelmannii var.flavispina*
• Eremalche -Eremalche exilis*
• Eryngium -Eryngium nasturtiifolium
• Euphorbia eriantha -Euphorbia eriantha*
• Euphorbia spathulata -Euphorbia spathulata
• Euphorbia trachysperma -Euphorbia trachysperma (Chamaesyce trachysperma)
• Fagonia -Fagonia pachyacantha
• Fairy Duster -Calliandra eriophylla*
• False filaree, desert storksbill -Erodium texanum*
• False nightshade, small groundcherry, green-leaf five-eyes -Chamaesaracha coronopus*
• False pennyroyal -Hedeoma nanum var. macrocalyx
• Fan palm -Washingtonia filifera*
• feather fingergrass, cola de zorra, zacate lagunero -Chloris virgata*
• Fendler's desert dandelion -Malacothrix fendleri*
• Fiddleneck -Amsinckia intermedia var. intermedia *
• Field sandbur, huipapori -Cenchrus incertus*
• Filaree, storksbill, heronsbill, alfilerillo -Erodium cicutarium
• fishhook barrel, Arizona barrel -Ferocactus wislizenii*
• Fishhook pincushion cactus -Mammillaria grahamii (Mammillaria microcarpa)*
• Flat-globe dodder -Cuscuta umbellata
• Flowery spurge -Euphorbia florida (Chamaesyce florida)
• Fluff-grass, zacate borreguerro -Erioneuron pulchellum (Tridens pulchellus)*
• Foothill bird's-foot trefoil -Lotus humistratus*
• Foothill paloverde -Parkinsonia microphyllum (Cercidium microphyllum)*
• Fountain grass -Pennisetum setaceum (P. ruppelii)*
• Four-wing saltbush -Atriplex canescens*
• Foxtail brome, red brome, bromo rojo -Bromus rubens (B. madritensis ssp. Rubens)*
• Fremont wolfberry -Lycium fremontii*
• Fremont's pincushion, morning bride -Chaenactis fremontii*
• Fringed pigweed, Bledo, Quelitillo -Amaranthus fimbriatus
• Fringed spurge -Euphorbia setiloba (Chamaesyce setiloba)
• Germander -Teucrium cubense subsp. depressum
• Germander -Teucrium glandulosum*
• Ghost flower -Mohavea confertifolia*
• Giant sand-milkweed, Hierba del Cuervo -Asclepias erosa
• Gila live-forever -Dudleya arizonica*
• Golden hedgehog cactus -Echinocereus nicholii*
• Golden suncup -Camissonia brevipes ssp. Brevipes*
• Golondrina -Euphorbia abramsiana (Chamaesyce abramsiana)
• Golondrina -Euphorbia micromera (Chamaesyce micromera)
• Golondrina -Euphorbia petrina (Chamaesyce petrina)
• Goodding's vervain -Verbena gooddingii (Glandularia gooddingii)
• Gordon's bladderpod -Lesquerella gordonii*
• Gray-thorn -Ziziphus obtusifolia var. canescens*
• Gray-thorn -Ziziphus obtusifolia var. canescens*
• Ground cherry -Physalis lobata*
• Gumhead -Gymnosperma glutinosa
• Hairy baccharis -Baccharis brachyphylla
• Hairy bowlesia -Bowlesia incana
• Hairy lotus, desert bird's-foot trefoil, desert lotus -Lotus strigosus*
• Hairy water-clover -Marsilea vestita
• Heart-leaf bursage -Ambrosia cordifolia*
• Heartleaf suncup -Camissonia cardiophylla*
• Hierba del Cancer, copperleaf -Acalypha californica (Acalypha pringlei)*
• Hillside vervain -Verbena neomexicana*
• Hog potato, camote de raton -Caesalpinia glauca (Hoffmanseggia glauca)
• Holly-leaf buckthorn, red berry buckthorn -Rhamnus crocea*
• Holly-leaved bursage -Ambrosia ilicifolia*
• Honeysweet, Hierba ceniza -Tidestromia lanuginosa
• Hopbush -Dodonea viscosa (D.angustifolia)*
• Hyssop spurge -Euphorbia hyssopifolia (Chamaesyce hyssopifolia)
• Indian fern, california cloak fern -Notholaena californica ssp. Californica
• Indian Mallow, Flowering Maple -Abutilon palmeri*
• Indian mallow, pelotazo -Abutilon incanum*
• Indigo bush -Psorothamnus schottii*
• Ironwood -Olneya tesota*
• Jackass clover -Wislizenia refracta ssp. Refracta
• Jacobinia -Jacobinia ovata*
• Jacobinia -Jacobinia ovata*
• Janusia -Janusia gracilis*
• Johnson grass, zacate johnson -Sorghum halepense*
• Jojoba -Simmondsia chinensis*
• Jumping bean -Sebastiania bilocularis (Sapium biloculare)*
• Junglegrass, junglerice, leopard grass, zacate rayado, zacate pinto, zacate tigre -Echinochloa colonum var. colonum*
• Lacepod (alternate leaves) -Thysanocarpus curvipes*
• Lacepod (basal leaves) -Thysanocarpus curvipes*
• Leather-leaved brickellia -Brickellia atractyloides var. atractyloides
• Lehmann lovegrass, zacate africano -Eragrostis lehmanniana*
• Lemilla -Carlowrightia arizonica
• Lemmon groundsel -Senecio lemmonii
• Limberbush -Jatropha cuneata*
• Little gold poppy -Eschscholzia minutiflora*
• Little trumpet -Eriogonum trichopes var. trichopes
• Little-seed canary grass, alpisillo, alpiste silvestre -Phalaris minor*
• Littleseed muhly, liendrilla chica -Muhlenbergia microsperma*
• Lizard-tail, velvet-leaf gaura -Gaura parviflora*
• Loeflingia -Loeflingia squarrosa ssp. Cactorum
• London rocket, pamita -Sisymbrium irio*
• Long-beaked twist-flower -Streptanthella longirostris*
• Lotus salsuginosus -Lotus salsuginosus var. brevivexillus
• Louse spurge -Euphorbia pediculifera var. pediculifera (Chamaesyce pediculifera)
• Lyre-pod -Lyrocarpa coulteri*
• Mal de ojo -Sphaeralcea emoryi
• Malvella -Malvella sagittifolia*
• Manzanilla del coyote -Thymophylla concinna
• Mediterranean grass -Schismus barbatus*
• Mentzelia oreophila -Mentzelia oreophila (Mentzelia puberula)*
• Mexican crucillo -Condalia warnockii*
• Mexican Gold Poppy -Eschscholtzia californica ssp. mexicana*
• Mexican panicgrass -Panicum hirticaule var. hirticaule*
• Miner's lettuce -Montia perfoliata*
• Miniature Woollystar -Eriastrum diffusum*
• Mixed-nut comb-bur -Pectocarya heterocarpa
• Mojave beard tongue -Penstemon pseudospectabilis var. pseudospectabilis
• Mojave desert star -Monoptilon bellioides*
• Mojave groundsel -Senecio mohavensis*
• Mojave yucca, Datillo -Yucca shidigera*
• Mormon tea, Boundary ephedra, tepopote -Ephedra aspera*
• Morning glory, trompillo morado -Ipomoea hederacea
• Mountain barrel cactus -Ferocactus cylindraceus*
• Narrow-leaf saltbush -Atriplex linearis (A. canescens ssp. Linearis)
• Narrowleaf silverbush -Ditaxis lanceolata*
• Net-leaf goosefoot, chuhal, cuhal -Chenopodium murale
• Netleaf hackberry -Celtis reticulata*
• New Mexico ditaxis -Ditaxis neomexicana*
• New Mexico ditaxis -Ditaxis neomexicana*
• Ocotillo -Fouquieria splendens*
• Odora, hierba del venado -Porophyllum gracile*
• onyxflower -Achyronychia cooperi*
• Orange caltrop, baiborin, mal de ojo -Kallstroemia grandiflora
• Orange velvet-mallow -Horsfordia newberryi*
• Orcutt globe mallow -Sphaeralcea orcuttii
• Oreganillo -Aloysia wrightii*
• Organ pipe cactus -Stenocereus thurberi*
• Ortoguilla, noseburn -Tragia nepetifolia*
• Pacific orach -Atriplex pacifica*
• Panamint cat's eye, popcorn flower -Cryptantha angustifolia*
• Pancake prickly-pear -Opuntia chlorotica*
• Panicum -Panicum alatum var. alatum
• Paper flower -Psilostrophe cooperi*
• Parish goldeneye -Viguera parishii*
• Parish three-awn -Aristida parishii*
• Parish wolfberry -Lycium parishii*
• Parry penstemon -Penstemon parryi*
• Parry's false prairie-clover -Marina parryi*
• Parry's lip fern -Cheilanthes parryi
• Pebble pincushion -Chaenactis carphoclinia*
• Peirson's brown-eyed primrose -Camissonia claviformis ssp. peirsonii*
• Peluda, dainty desert hideseed -Eucrypta micrantha
• Pencil cholla -Opuntia arbuscula*
• Pepperweed -Lepidium virginicum*
• Phlox -Phlox tenuifolia*
• Pigmy-weed -Crassula connata (Tillaea erecta)
• pine-needle milkweed -Asclepias linaria*
• Pink velvet mallow -Horsfordia alata*
• Piojillo de Arizona -Brachiaria arizonica (Panicum arizonicum)*
• Pipevine, Indian-root, Dutchman's pipe -Aristolochia watsonii
• Plantain -Plantago patagonica*
• Portulaca -Portulaca halimoides
• Poverty three-awn, zacate arana de tres barbas -Aristida ternipes var. gentilis (A. hamulosa)*
• Poverty weed, patata -Monolepis nuttalliana
• Prickly poppy, cardo, crested pricklepoppy, bluestem pricklepoppy, chicalote -Argemone gracilenta*
• Prickly sow thistle, chinita -Sonchus asper*
• Prostrate vervain -Verbena bracteata
• Prostrate vervain -Verbena bracteata
• Psilactis -Machaeranthera coulteri var. arida*
• Puncture vine, goathead, torito, toboso -Tribulus terrestris
• Purple owl clover -Castilleja exserta (Orthocarpus exserta)*
• Purple three-awn, tres barbas -Aristida purpurea var. nealleyi (A. glauca)*
• Purplemat -Nama demissum*
• Purslane speedwell, necklace-weed -Veronica peregrina subsp. xalapensis*
• Ragged rockflower -Crossosoma bigelovii*
• Range ratany -Krameria erecta (Krameria parviflora)
• Rattlesnake weed -Euphorbia albomarginata*
• Red grama, navajita china -Bouteloua trifida*
• Red Maids -Calandrinia ciliata*
• Red spiderling -Boerhavia diffusa*
• Red sprangletop, zacate salado, desparramo rojo -Leptochloa mucronata (L. filiformis)*
• Rigid spineflower, rigid spinyherb -Chorizanthe rigida*
• Rock hibiscus -Hibiscus denudatus*
• Roseberry juniper -Juniperus coahuilensis*
• Russian thistle, tumbleweed, chamizo volador -Salsola tragus (Salsola kali)*
• Sacred datura, thornapple, western jimson -Datura discolor (Datura wrightii)*
• Saguaro, Sahuara, Giant Cactus -Carnegia gigantea*
• Sahara mustard, wild turnip, mostaza -Brassica tournefortii*
• Sahara mustard, wild turnip, mostaza -Brassica tournefortii*
• Salt-cedar, tamarisk, salado, pino salado -Tamarix ramosissima
• Sand dropseed, zacate de arena -Sporobolus cryptandrus*
• Sand evening primrose -Camissonia arenaria
• Sand locoweed -Astragalus insularis var. harwoodii *
• Sand peppergrass (pinnatifid leaves)) -Lepidium lasiocarpum*
• Sand peppergrass (simple leaves) -Lepidium lasiocarpum*
• Sand Verbena -Abronia villosa*
• Sandpaper plant -Petalonyx thurberi subsp. thurberi
• Sangre-de-Cristo -Jatropha cardiophylla*
• Scale seed -Spermolepis echinata
• Scaly star fern -Astrolepis cochisensis ssp. Cochisensis*
• Schott's wire-lettuce -Stephanomeria schottii
• Scorpionweed -Phacelia ambigua (Phacelia crenulata)*
• Screwbean mesquite -Prosopis pubescens*
• Seep willow, batamote -Baccharis salicifolia (B. glutinosa)*
• Senita cactus -Lophocereus schottii*
• Serrate ditaxis -Ditaxis serrata var. serrata
• Side-oats grama -Bouteloua curtipendula*
• Silky dalea -Dalea mollis*
• Silver cholla -Opuntia echinocarpa*
• Silver puffs -Uropappus lindleyi *
• Silver puffs -Uropappus lindleyi *
• Silver-leaf nightshade, white horse-nettle -Solanum eleagnifolium
• Silversheath -Polygonum argyrocoleon
• Sixweeks fescue, eight-flowered fescue, fescua -Festuca octoflora (Vulpia octoflora)*
• Six-weeks grama, navajita, zacate liebrero -Bouteloua barbata*
• Six-weeks needle grama, aceitilla, navajita -Bouteloua aristidoides*
• Six-weeks three-awn, zacate tres barbas -Aristida adscensionis*
• Skeleton Weed (pink flowers) -Eriogonum deflexum*
• Skeleton Weed (white flowers) -Eriogonum deflexum*
• Sleepy catchfly -Silene antirrhina
• Slender burrobrush -Hymenoclea monogyra
• Slim tridens -Tridens muticus var. muticus*
• Slim-Jim bean, desert bean -Phaseolus filiformis*
• Slim-leaf ragweed, Estafiate -Ambrosia confertiflora
• Small-flowered milkvetch -Astragalus nuttallianus var. imperfectus*
• Smoke tree -Psorothamnus spinosus*
• Smooth desert dandelion -Malacothrix glabrata*
• Snapdragon vine -Maurandya antirrhinum*
• Sonora croton -Croton sonorae*
• Sonoran silverbush -Ditaxis brandegeei var. intonsa
• Spanish needles -Palafoxia arida var. arida*
• Spectacle-pod -Dithyrea californica*
• Spidergrass, zacate arana -Aristida ternipes var. ternipes*
• Spiderling -Boerhavia erecta var. erecta
• Spiderling -Boerhavia erecta var. intermedia
• Spiderling -Boerhavia spicata
• Spiderling -Boerhavia wrightii
• Spike pappusgrass, zacate lobero -Enneopogon desvauxii*
• Spineless chain-fruit cholla -Opuntia fulgida var. mammillata*
• Spiny goldenweed -Machaeranthera pinnatifida var. gooddingii*
• Staghorn cholla -Opuntia versicolor*
• Star cloak fern -Notholaena standleyi*
• Star gilia -Gilia stellata*
• Starry bedstraw -Galium stellatum var. eremicum*
• Stickleaf, silver blazing-star, pega pega -Mentzelia involucrata var. megacantha*
• Stickseed -Lappula occidentalis*
• Stickseed -Lappula redowskii
• Sticky sprangletop, zacate salado pegajoso -Leptochloa viscida*
• Stillingia -Stillingia linearifolia*
• Stinking lovegrass, zacate apestoso -Eragrostis cilianensis*
• Strawberry hedgehog Cactus -Echinocereus engelmannii*
• Sweetbush -Bebbia juncea var. aspera*
• Tanglehead, zacate colorado -Heteropogon contortus*
• Tansy mustard (white flowers) -Descurainia pinnata*
• Tansy mustard (yellow flowers) -Descurainia pinnata*
• Teddy bear cholla -Opuntia bigelovii*
• Texas virgin bower -Clematis drummondii
• Thomas buckwheat -Eriogonum thomasii*
• Thornber fishhook cactus, cabeza de viejo -Mammillaria thornberi
• Threadstem -Nemacladus glanduliferus var. orientalis*
• Thurber buckwheat -Eriogonum thurberi
• Thurber's Desert Honeysuckle, Chuparosa -Anisacanthus thurberi*
• Trailing four-o'clock -Allionia incarnata*
• Triangle-leaf bursage -Ambrosia deltoidea*
• Triangle-leaf bursage -Ambrosia deltoidea*
• Triangle-seed blazing-star, pega pega -Mentzelia affinis*
• Trixis -Trixis californica*
• Trixis -Trixis californica*
• Turpentine broom -Thamnosma montana
• Turpentine bush -Ericameria laricifolia*
• Twinberry, rough menodora -Menodora scabra*
• Velcro plant -Eucnide rupestris
• Velvet mesquite -Prosopis velutina*
• Velvetpod mimosa -Mimosa dysocarpa*
• Vervain -Verbena officinalis ssp. halei
• Wavy cloak fern -Astrolepis sinuata*
• Wedge-leaf draba -Draba cuneifolia var. integrifolia*
• Western honey mesquite -Prosopis glandulosa var. torreyana*
• Wheel-scale orach, chamiso cenizo -Atriplex elegans ssp fasciculata
• Wheel-scale orach, chamiso cenizo -Atriplex elegans ssp. elegans
• White burro-bush -Hymenoclea salsola var. pentalepis*
• White bursage -Ambrosia dumosa*
• White easter bonnets, woolly daisy (alternate leaves) -Eriophyllum lanosum*
• White easter bonnets, woolly daisy (opposite leaves) -Eriophyllum lanosum*
• White ratany -Krameria grayi*
• White tackstem -Calycoseris wrightii*
• White-ball acacia, fern acacia -Acacia angustissima*
• White-haired bristlegrass, zacate temprano -Setaria leucopila*
• White-haired cryptantha -Cryptantha maritima var. maritima
• White-haired cryptantha -Cryptantha maritima var.pilosa
• White-stem blazing star -Mentzelia albicaulis
• White-stem milkweed, yamate -Asclepias albicans*
• Whitethorn acacia (with spines) -Acacia constricta*
• Whitethorn acacia (without spines) -Acacia constricta*
• Wilcoxia -Peniocereus striatus*
• Wild barley, cebadilla silvestre -Hordeum murinum ssp. Glaucum*
• Wild buckwheat -Eriogonum fasciculatum*
• Wild carrot, Zanahoria silvestre -Daucus pusillus*
• Willow-herb evening primrose -Camissonia chamaenerioides*
• Winged cryptantha -Cryptantha holoptera
• Wing-nut cryptantha -Cryptantha pterocarya var. cycloptera*
• Wiry lotus -Lotus rigidus*
• Wolfberry, bachata, salicieso -Lycium berlandieri*
• Wolfberry, bachata, salicieso -Lycium cooperi*
• Woody bottle-washer -Camissonia boothii ssp. Condensata*
• Woolly desert-marigold, Tecomblate (pinnate leaves) -Baileya pleniradiata
• Woolly desert-marigold, Tecomblate (simple leaves) -Baileya pleniradiata*
• Woolly heads (pink flowers) -Nemacaulis denudata var. gracilis
• Woolly heads (yellow flowers) -Nemacaulis denudata var. gracilis
• Woolly plantain, Indian wheat, pastora -Plantago ovata (Plantago insularis var. fastigiata)
• Woolly-daisy -Eriophyllum pringlei*
• Wooly crinklemat, oreja del perro -Tiquilia canescens*
• Wooly crinklemat, oreja del perro -Tiquilia canescens*
• Wright buckwheat (pink flowers) -Eriogonum wrightii var. pringlei
• Wright buckwheat (white flowers) -Eriogonum wrightii var. pringlei
• Wrinkled spine-flower -Chorizanthe corrugata
• Yellow desert primrose -Oenothera primiveris*
• Yellow head, yellowdome -Trichoptilium incisum*
• Yellow Indian-mallow -Abutilon malacum
• Yellow nutgrass, coquillo, amarillo, cebollin -Cyperus esculentus var. esculentus
• Yellow spiny daisy -Machaeranthera gracilis*
• Yellow thimblehead (pinnate leaves) -Hymenothrix wislizenii
• Yellow thimblehead (simple leaves) -Hymenothrix wislizeni
• Yucca -Yucca arizonica*
• -Prenanthella exigua (Lygodesmia exigua)

*Species page has photo(s).