Home » Search: All Plants Native in Sonoran Basin and Range

1255 Plants Found

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Ordered by scientific name.

Scientific Name	Common Name	†	Map‡
Eucrypta micrantha (Torr.) A. Heller	dainty desert hideseed
Eulobus californicus Nutt.	California Suncup
Euphorbia abramsiana L.C.Wheeler	Abrams' Sandmat
Euphorbia albomarginata Torr. & A.Gray	Whitemargin Sandmat
Euphorbia arizonica Engelm.	Arizona Sandmat
Euphorbia brachycera Engelm.	Horned Spurge
Euphorbia capitellata Engelm.	Head Sandmat
Euphorbia eriantha Benth.	beetle spurge
Euphorbia florida Engelm.	Chiricahua Mountain Sandmat
Euphorbia gracillima S.Watson	Mexican Sandmat
Euphorbia hyssopifolia L.	Hyssopleaf Sandmat
Euphorbia melanadenia Torr. & A.Gray	Red-gland Spurge
Euphorbia micromera Boiss.	Sonoran Sandmat
Euphorbia ocellata Durand & Hilg.	Contura Creek Sandmat
Euphorbia parishii Greene	Parish's Sandmat
Euphorbia pediculifera Engelm.	Carrizo Mountain Sandmat
Euphorbia platysperma Engelm.	Flatseed Sandmat
Euphorbia polycarpa Benth.	Smallseed Sandmat
Euphorbia revoluta Engelm.	Threadstem Sandmat
Euphorbia schizoloba Engelm.	Mojave spurge
Euphorbia serpillifolia Pers.	Thymeleaf Sandmat
Euphorbia setiloba Engelm. ex Torr.	Yuma Sandmat
Euphorbia spathulata Lam.	Warty Spurge
Euphorbia trachysperma Engelm.	San Pedro River Sandmat
Eustoma exaltatum (L.) Salisb. ex G. Don	catchfly prairie gentian
Evolvulus alsinoides (L.) L.	slender dwarf morning-glory
Evolvulus arizonicus A. Gray	Wild Dwarf Morning-Glory
Evolvulus nuttallianus Schult.	shaggy dwarf morning-glory
Evolvulus sericeus Sw.	silver dwarf morning-glory
Fagonia laevis Standl.	California fagonbush
Fagonia pachyacantha Rydb.	sticky fagonbush
Fallugia paradoxa (D. Don) Endl. ex Torr.	Apache plume
Ferocactus cylindraceus (Engelm.) Orcutt	California barrel cactus
Ferocactus emoryi (Engelm.) Orcutt	Emory's barrel cactus
Ferocactus wislizeni (Engelm.) Britton & Rose	candy barrelcactus
Festuca rubra L.	Red Fescue
Fimbristylis vahlii (Lam.) Link	Vahl's fimbry
Forestiera shrevei Standl.	desert olive
Fouquieria splendens Engelm.	Ocotillo
Frangula californica (Eschsch.) A. Gray	California buckthorn
Fraxinus anomala Torr. ex S. Watson	Singleleaf Ash
Fraxinus velutina Torr.	Velvet Ash
Fremontodendron californicum (Torr.) Coville	California flannelbush
Fuirena simplex Vahl	western umbrella-sedge
Funastrum cynanchoides (Decne.) Schltr.	fringed twinevine
Funastrum hirtellum (A. Gray) Schltr.	hairy milkweed
Gaillardia arizonica A. Gray	Arizona blanketflower
Gaillardia parryi Greene	Parry's blanketflower
Galactia wrightii A. Gray	Wright's milkpea
Galium angustifolium Nutt. ex A. Gray	narrowleaf bedstraw
Galium aparine L.	stickywilly
Galium microphyllum A. Gray	Bracted Bedstraw
Galium proliferum A. Gray	limestone bedstraw
Galium stellatum Kellogg	starry bedstraw
Galium wrightii A. Gray	Wright's bedstraw
Gamochaeta ustulata (Nutt.) G.L. Nesom	featherweed
Garrya flavescens S. Watson	ashy silktassel
Garrya wrightii Torr.	Wright's silktassel
Gentianella amarella (L.) Börner	autumn dwarf gentian
Geraea canescens Torr. & A. Gray	hairy desertsunflower
Geraea viscida (A. Gray) S.F. Blake	sticky desertsunflower
Geranium carolinianum L.	Carolina geranium
Gilia diegensis (Munz) A.D. Grant & V.E. Grant	coastal gilia
Gilia flavocincta A. Nelson	lesser yellowthroat gilia
Gilia latiflora (A. Gray) A. Gray	hollyleaf gilia
Gilia mexicana A.D. Grant & V.E. Grant	El Paso gilia
Gilia minor A.D. Grant & V.E. Grant	little gilia
Gilia ochroleuca M.E. Jones	volcanic gilia
Gilia scopulorum M.E. Jones	rock gilia
Gilia sinuata Douglas ex Benth.	Rosy Gilia
Gilia stellata A. Heller	star gilia
Glandularia gooddingii (Briq.) Solbrig	southwestern mock vervain
Glycyrrhiza lepidota Pursh	American Licorice
Gnaphalium palustre Nutt.	western marsh cudweed
Gomphrena caespitosa Torr.	tufted globe amaranth
Gomphrena sonorae Torr.	Sonoran globe amaranth
Gossypium thurberi Todaro	Thurber's cotton
Graptopetalum rusbyi (Greene) Rose	San Francisco River leatherpetal
Greeneocharis circumscissa (Hook. & Arn.) Rydb.	Cushion Cryptantha
Grusonia kunzei (Rose) Pinkava	devil's cholla
Grusonia parishii (Orcutt) Pinkava	matted cholla
Gutierrezia arizonica (A. Gray) M.A. Lane	Arizona snakeweed
Gutierrezia californica (DC.) Torr. & A. Gray	San Joaquin snakeweed
Gutierrezia microcephala (DC.) A. Gray	threadleaf snakeweed
Gutierrezia sarothrae (Pursh) Britton & Rusby	broom snakeweed
Gutierrezia serotina Greene	late snakeweed
Gymnosperma glutinosum (Spreng.) Less.	gumhead
Hackelia ursina (Greene ex A. Gray) I.M. Johnst.	Chihuahuan stickseed
Haplophyton crooksii (L.D. Benson) L.D. Benson	cockroachplant
Harpagonella palmeri A. Gray	Palmer's grapplinghook
Hebecarpa macradenia (A.Gray) J.R.Abbott	Glandleaf Milkwort
Hebecarpa obscura (Benth.) J.R.Abbott	Velvetseed Milkwort
Hedeoma drummondii Benth.	Drummond's false pennyroyal
Hedeoma hyssopifolia A. Gray	aromatic false pennyroyal
Hedeoma nana (Torr.) Briq.	dwarf false pennyroyal
Hedeoma oblongifolia (A. Gray) A. Heller	oblongleaf false pennyroyal
Helenium autumnale L.	common sneezeweed
Helenium thurberi A. Gray	Thurber's sneezeweed
Helianthus annuus L.	Common Sunflower
Helianthus niveus (Benth.) Brandegee	showy sunflower
Helianthus petiolaris Nutt.	Prairie Sunflower
Heliomeris longifolia (B.L. Rob. & Greenm.) Cockerell	longleaf false goldeneye
Heliomeris multiflora Nutt.	showy goldeneye
Heliotropium convolvulaceum (Nutt.) A. Gray	phlox heliotrope
Heliotropium curassavicum L.	salt heliotrope
Herissantia crispa (L.) Briz.	bladdermallow
Hesperocallis undulata A. Gray	desert lily
Hesperocyparis arizonica (Greene) Bartel	Arizona cypress
Hesperostipa comata (Trin. & Rupr.) Barkworth	Needle-and-Thread Grass
Hesperostipa neomexicana (Thurb. ex J.M. Coult.) Barkworth	New Mexico feathergrass
Heterotheca fulcrata (Greene) Shinners	rockyscree false goldenaster
Heterotheca grandiflora Nutt.	telegraphweed
Heterotheca subaxillaris (Lam.) Britton & Rusby	Camphorweed
Heuchera hirsutissima Rosend., Butters & Lakela	Shaggyhair Alumroot
Heuchera sanguinea Engelm.	coralbells
Hexasepalum teres (Walter) J.H.Kirkbr.	Poorjoe
Hibiscus biseptus S. Watson	Arizona rosemallow
Hibiscus coulteri Harv. ex A. Gray	desert rosemallow
Hibiscus denudatus Benth.	paleface
Hilaria belangeri (Steud.) Nash	Curly-mesquite
Hilaria jamesii (Torr.) Benth.	James' Galleta
Hoffmannseggia glauca (Ortega) Eifert	Indian rushpea
Hoffmannseggia microphylla Torr.	wand holdback
Hopia obtusa (Kunth) Zuloaga & Morrone	Vine Mesquite
Hordeum arizonicum Covas	Arizona barley
Hordeum brachyantherum Nevski	meadow barley
Hordeum pusillum Nutt.	Little Barley
Horsfordia alata (S. Watson) A. Gray	pink velvetmallow
Horsfordia newberryi (S. Watson) A. Gray	Newberry's velvetmallow
Hulsea mexicana Rydb.	Mexican alpinegold
Hybanthus verticillatus (Ortega) Baill.	babyslippers
Hydrocotyle verticillata Thunb.	Whorled Marshpennywort
Hymenoclea salsola Torr. & A. Gray	Burrobrush
Hymenopappus filifolius Hook.	Fineleaf Hymenopappus
Hymenothrix wislizeni A. Gray	Trans-Pecos thimblehead
Hymenothrix wrightii A. Gray	Wright's thimblehead
Hymenoxys cooperi (A. Gray) Cockerell	Cooper's rubberweed
Hymenoxys odorata DC.	bitter rubberweed
Imperata brevifolia Vasey	California satintail
Ipomoea barbatisepala A. Gray	canyon morning-glory
Ipomoea costellata Torr.	crestrib morning-glory
Ipomoea cristulata Hallier f.	Trans-Pecos Morning-Glory
Ipomopsis effusa (A. Gray) Moran	Baja California ipomopsis
Ipomopsis longiflora (Torr.) V.E. Grant	flaxflowered ipomopsis
Ipomopsis multiflora (Nutt.) V.E. Grant	manyflowered ipomopsis
Ipomopsis tenuifolia (A. Gray) V.E. Grant	slenderleaf skyrocket
Isocoma acradenia (Greene) Greene	alkali goldenbush
Isocoma tenuisecta Greene	burroweed
Jacquemontia pringlei A. Gray	Pringle's clustervine
Janusia gracilis A. Gray	slender janusia
Jatropha cardiophylla (Torr.) Müll. Arg.	sangre de cristo
Jatropha cuneata Wiggins & Rollins	physicnut
Johnstonella holoptera (A.Gray) Hasenstab & M.G.Simpson	Narrow-Wing Cat's-Eye
Juglans major (Torr.) A. Heller	Arizona walnut
Juncus acutus L.	spiny rush
Juncus arcticus Willd.	arctic rush
Juncus articulatus L.	jointleaf rush
Juncus bufonius L.	toad rush
Juncus cooperi Engelm.	Cooper's rush
Juncus dubius Engelm.	questionable rush
Juncus interior Wiegand	inland rush
Juncus longistylis Torr.	longstyle rush
Juncus macrophyllus Coville	longleaf rush
Juncus marginatus Rostk.	Grassleaf Rush
Juncus mexicanus Willd. ex Schult. & Schult. f.	Mexican rush
Juncus saximontanus A. Nelson	Rocky Mountain rush
Juncus torreyi Coville	Torrey's rush
Juncus xiphioides E. Mey.	irisleaf rush
Juniperus californica Carrière	California juniper
Juniperus coahuilensis (Martínez) Gaussen ex R.P. Adams	Redberry Juniper
Juniperus deppeana Steud.	alligator juniper
Juniperus monosperma (Engelm.) Sarg.	Oneseed Juniper
Justicia californica (Benth.) D. Gibson	beloperone
Justicia candicans (Nees) L.D. Benson	Arizona water-willow
Justicia longii Hilsenb.	longflower tube tongue
Kallstroemia californica (S. Watson) Vail	California Caltrop
Keckiella antirrhinoides (Benth.) Straw	snapdragon penstemon
Koeberlinia spinosa Zucc.	crown of thorns
Koeleria macrantha (Ledeb.) Schult.	Prairie Junegrass
Krameria erecta Willd. ex Schult.	littleleaf ratany
Krascheninnikovia lanata (Pursh) A. Meeuse & Smit	Winterfat
Laennecia coulteri (A. Gray) G.L. Nesom	Coulter's horseweed
Langloisia setosissima (Torr. & A. Gray ex Torr.) Greene	Great Basin langloisia
Larrea tridentata (DC.) Coville	Creosote Bush
Lastarriaea coriacea (Goodman) Hoover	leather spineflower
Lasthenia californica DC. ex Lindl.	California goldfields
Lasthenia gracilis (DC.) Greene	needle goldfields
Lathyrus graminifolius (S. Watson) T.G. White	grassleaf pea
Layia glandulosa (Hook.) Hook. & Arn.	Whitedaisy Tidytips
Layia platyglossa (Fisch. & C.A. Mey.) A. Gray	coastal tidytips
Leersia oryzoides (L.) Sw.	rice cutgrass
Lemna gibba L.	swollen duckweed
Lemna minuta Kunth	Least Duckweed
Lepidium densiflorum Schrad.	Common Pepperweed
Lepidium dictyotum A. Gray	Alkali Pepperweed
Lepidium flavum Torr.	yellow pepperweed
Lepidium fremontii S. Watson	desert pepperweed
Lepidium lasiocarpum Nutt.	shaggyfruit pepperweed
Lepidium montanum Nutt.	mountain pepperweed
Lepidium nitidum Nutt.	shining pepperweed
Lepidium oblongum Small	veiny pepperweed
Lepidium thurberi Wooton	Thurber's pepperweed
Lepidium virginicum L.	Virginia pepperweed
Leptochloa nealleyi Vasey	Nealley's Sprangletop
Leptosiphon aureus (Nutt.) J.M. Porter & L.A. Johnson	golden linanthus
Leptosiphon lemmonii (A. Gray) J.M. Porter & L.A. Johnson	Lemmon's linanthus
Leucosyris carnosa (A.Gray) Greene	Shrubby Alkaliaster
Leymus triticoides (Buckley) Pilg.	Beardless Wildrye
Linanthus bigelovii (A. Gray) Greene	Bigelow's linanthus
Linanthus demissus (A. Gray) Greene	desertsnow
Linanthus dichotomus Benth.	eveningsnow
Linanthus jonesii (A. Gray) Greene	Jones' linanthus
Linanthus pungens (Torr.) J.M. Porter & L.A. Johnson	granite prickly phlox
Linum lewisii Pursh	Lewis flax
Linum puberulum (Engelm.) A. Heller	plains flax
Lobelia cardinalis L.	Cardinal Flower	✓
Loeflingia squarrosa Nutt.	spreading pygmyleaf
Loeseliastrum matthewsii (A. Gray) Timbrook	desert calico
Loeseliastrum schottii (Torr.) Timbrook	Schott's calico
Logfia arizonica (A. Gray) Holub	Arizona cottonrose
Logfia depressa (A. Gray) Holub	dwarf cottonrose
Lomatium mohavense (J.M. Coult. & Rose) J.M. Coult. & Rose	Mojave Desertparsley
Lomatium nevadense (S. Watson) J.M. Coult. & Rose	Nevada biscuitroot
Lonicera arizonica Rehder	Arizona honeysuckle
Lonicera interrupta Benth.	chaparral honeysuckle
Lonicera subspicata Hook. & Arn.	southern honeysuckle
Lophocereus schottii (Engelm.) Britton & Rose	Senita Cactus
Lupinus agardhianus A. Heller	Agardh lupine
Lupinus albifrons Benth.	silver lupine
Lupinus arizonicus (S. Watson) S. Watson	Arizona lupine
Lupinus bicolor Lindl.	miniature lupine
Lupinus brevior (Jeps.) Christian & D. Dunn	short lupine
Lupinus concinnus J. Agardh	bajada lupine
Lupinus excubitus M.E. Jones	grape soda lupine
Lupinus palmeri S. Watson	bluebonnet lupine
Lupinus sparsiflorus Benth.	Coulter's lupine
Lupinus succulentus Douglas ex K. Koch	hollowleaf annual lupine
Lycium andersonii A. Gray	water jacket
Lycium berlandieri Dunal	Berlandier's wolfberry
Lycium brevipes Benth.	Baja desert-thorn
Lycium californicum Nutt. ex A. Gray	California desert-thorn
Lycium cooperi A. Gray	peach thorn
Lycium exsertum A. Gray	Arizona desert-thorn
Lycium fremontii A. Gray	Fremont's desert-thorn
Lycium macrodon A. Gray	desert wolfberry
Lycium pallidum Miers	pale desert-thorn
Lycium parishii A. Gray	Parish's desert-thorn
Lycium torreyi A. Gray	Torrey wolfberry
Lyrocarpa coulteri Hook. & Harv. ex Harv.	Coulter's lyrepod
Lythrum californicum Torr. & A. Gray	California loosestrife
Machaeranthera tagetina Greene	mesa tansyaster
Machaeranthera tanacetifolia (Kunth) Nees	Tanseyleaf Tansyaster
Mahonia haematocarpa (Wooton) Fedde	red barberry
Malacothrix clevelandii A. Gray	Cleveland's desertdandelion
Malacothrix coulteri Harv. & A. Gray	snake's head
Malacothrix fendleri A. Gray	Fendler's desertdandelion
Malacothrix glabrata (A. Gray ex D.C. Eaton) A. Gray	smooth desertdandelion
Malacothrix sonorae W.S. Davis & P.H. Raven	Sonoran desertdandelion
Malacothrix stebbinsii W.S. Davis & P.H. Raven	Stebbins' desertdandelion
Malosma laurina (Nutt.) Nutt. ex Abrams	laurel sumac
Malperia tenuis S. Watson	brownturbans
Malvastrum bicuspidatum (S. Watson) Rose	shrubby false mallow
Malvella leprosa (Ortega) Krapov.	alkali mallow
Malvella sagittifolia (A. Gray) Fryxell	arrowleaf mallow
Mammillaria barbata Engelm.	greenflower nipple cactus
Mammillaria dioica K. Brandegee	strawberry cactus
Mammillaria grahamii Engelm.	Graham's nipple cactus
Mammillaria tetrancistra Engelm.	common fishhook cactus
Marah gilensis Greene	Gila manroot
Marah macrocarpus (Greene) Greene	Cucamonga manroot
Marina parryi (Torr. & A. Gray) Barneby	Parry's false prairie-clover
Marsilea vestita Hook. & Grev.	hairy waterclover
Matelea parvifolia (Torr.) Woodson	spearleaf
Matelea producta (Torr.) Woodson	Texas milkvine
Matricaria discoidea DC.	disc mayweed
Maurandella antirrhiniflora (Humb. & Bonpl. ex Willd.) Rothm.	roving sailor
Melampodium leucanthum Torr. & A. Gray	plains blackfoot
Melica frutescens Scribn.	woody melicgrass
Melica imperfecta Trin.	Smallflower Melicgrass
Menodora scabra A. Gray	rough menodora
Mentzelia affinis Greene	yellowcomet
Mentzelia albicaulis (Hook.) Torr. & A. Gray	whitestem blazingstar
Mentzelia desertorum (Davidson) H.J. Thomp. & Roberts	desert blazingstar
Mentzelia hirsutissima S. Watson	hairy blazingstar
Mentzelia involucrata S. Watson	whitebract blazingstar
Mentzelia jonesii (Urb. & Gilg) H.J. Thomp. & Roberts	Jones' blazingstar
Mentzelia multiflora (Nutt.) A. Gray	Adonis blazingstar
Mentzelia nitens Greene	shining blazingstar
Mentzelia obscura H.J. Thomp. & Roberts	Pacific blazingstar
Mentzelia oreophila J. Darl.	Argus blazingstar
Mentzelia pectinata Kellogg	San Joaquin blazingstar
Mentzelia tricuspis A. Gray	spinyhair blazingstar
Mentzelia tridentata (Davidson) H.J. Thomp. & Roberts	threetooth blazingstar
Mentzelia veatchiana Kellogg	Veatch's blazingstar
Microsteris gracilis (Hook.) Greene	slender phlox
Mimetanthe pilosa (Benth.) Greene	false monkeyflower
Mimosa aculeaticarpa Ortega	catclaw mimosa
Mimulus bigelovii (A. Gray) A. Gray	Bigelow's monkeyflower
Mimulus cardinalis Douglas ex Benth.	scarlet monkeyflower
Mimulus dentilobus B.L. Rob. & Fernald	toothpetal monkeyflower
Mimulus glabratus Kunth	roundleaf monkeyflower
Mimulus guttatus DC.	Seep Monkeyflower
Mimulus rubellus A. Gray	little redstem monkeyflower
Mirabilis comata (Small) Standl.	hairy-tuft four o'clock
Mirabilis laevis (Benth.) Curran	desert wishbone-bush
Mirabilis longiflora L.	sweet four o'clock
Mirabilis multiflora (Torr.) A. Gray	Colorado four o'clock
Mirabilis tenuiloba S. Watson	longlobe four o'clock
Mohavea confertiflora (A. DC.) A. Heller	ghost flower
Monarda fistulosa L.	Wild Bergamot
Monardella arizonica Epling	Arizona monardella
Monoptilon bellioides (A. Gray) H.M. Hall	Mojave desertstar
Morus microphylla Buckley	Texas Mulberry
Muhlenbergia appressa C.O. Goodding	Devils Canyon muhly
Muhlenbergia asperifolia (Nees & Meyen ex Trin.) Parodi	Scratchgrass
Muhlenbergia dumosa Scribn. ex Vasey	bamboo muhly
Muhlenbergia emersleyi Vasey	bullgrass
Muhlenbergia longiligula Hitchc.	longtongue muhly
Muhlenbergia microsperma (DC.) Trin.	littleseed muhly
Muhlenbergia pauciflora Buckley	New Mexico muhly
Muhlenbergia porteri Scribn. ex Beal	Bush Muhly
Muhlenbergia rigens (Benth.) Hitchc.	deergrass
Myosurus cupulatus S. Watson	Arizona mousetail
Myriophyllum sibiricum Kom.	shortspike watermilfoil
Najas guadalupensis (Spreng.) Magnus	southern waternymph
Najas marina L.	spiny naiad
Nama demissum A. Gray	purplemat
Nama depressum Lemmon ex A. Gray	depressed fiddleleaf
Nama hispidum A. Gray	bristly nama
Nama pusillum Lemmon ex A. Gray	eggleaf fiddleleaf
Nama stenocarpum A. Gray	mud fiddleleaf
Navarretia atractyloides (Benth.) Hook. & Arn.	hollyleaf pincushionplant
Nemacaulis denudata Nutt.	cottonheads
Nemacladus glanduliferus Jeps.	glandular threadplant
Nemacladus rubescens Greene	desert threadplant
Nemophila menziesii Hook. & Arn.	Baby Blue Eyes
Neogaerrhinum filipes (A. Gray) Rothm.	yellow twining snapdragon
Nicotiana attenuata Torr. ex S. Watson	Coyote Tobacco
Nicotiana clevelandii A. Gray	Cleveland's tobacco
Nicotiana obtusifolia M. Martens & Galeotti	desert tobacco
Nicotiana quadrivalvis Pursh	Indian tobacco
Noccaea fendleri (A. Gray) Holub	Fendler's Pennycress
Nolina bigelovii (Torr.) S. Watson	Bigelow's nolina
Nolina microcarpa S. Watson	sacahuista
Notholaena californica D.C. Eaton	California cloak fern
Notholaena standleyi Maxon	star cloak fern
Nuttallanthus texanus (Scheele) D.A. Sutton	Texas Toadflax
Oenothera albicaulis Pursh	Whitest Evening Primrose
Oenothera arizonica (Munz) W.L. Wagner	California evening primrose
Oenothera caespitosa Nutt.	Tufted Evening Primrose
Oenothera californica (S. Watson) S. Watson	California evening primrose
Oenothera deltoides Torr. & Frém.	birdcage evening primrose
Oenothera elata Kunth	Hooker's evening primrose
Oenothera hexandra (Ortega) W.L. Wagner & Hoch	harlequinbush
Oenothera pallida Lindl.	pale evening primrose
Oenothera primiveris A. Gray	desert evening primrose
Oenothera suffrutescens (Moc. & Sessé ex Ser.) W.L.Wagner & Hoch	Scarlet Beeblossom
Oligomeris linifolia (Vahl) J.F. Macbr.	lineleaf whitepuff
Olneya tesota A. Gray	Desert Ironwood
Opuntia basilaris Engelm. & J.M. Bigelow	beavertail pricklypear
Opuntia chlorotica Engelm. & J.M. Bigelow	dollarjoint pricklypear
Opuntia engelmannii Salm-Dyck ex Engelm.	Cactus Apple
Opuntia macrorhiza Engelm.	twistspine pricklypear
Opuntia phaeacantha Engelm.	tulip pricklypear
Opuntia polyacantha Haw.	plains pricklypear
Oreocarya confertiflora Greene	Basin Yellow Perennial Cat's-Eye
Orobanche cooperi (A. Gray) A. Heller	desert broomrape
Orobanche fasciculata Nutt.	clustered broomrape
Orobanche ludoviciana Nutt.	Louisiana Broomrape
Oxalis albicans Kunth	radishroot woodsorrel
Oxytheca perfoliata Torr. & A. Gray	roundleaf oxytheca
Packera multilobata (Torr. & A. Gray ex A. Gray) W.A. Weber & Á. Löve	Lobeleaf Groundsel
Packera neomexicana (A. Gray) W.A. Weber & Á. Löve	New Mexico groundsel
Packera quercetorum (Greene) C. Jeffrey	Oak Creek ragwort
Palafoxia arida B.L. Turner & Morris	desert palafox
Panicum bulbosum Kunth	Bulb Panicgrass
Panicum capillare L.	Witchgrass
Panicum hallii Vasey	Hall's panicgrass
Panicum hirticaule J. Presl	Mexican panicgrass
Panicum urvilleanum Kunth	desert panicgrass
Pappophorum vaginatum Buckley	whiplash pappusgrass
Pappostipa speciosa (Trin. & Rupr.) Romasch.	Desert Needlegrass
Parietaria pensylvanica Muhl. ex Willd.	Pennsylvania Pellitory
Parkinsonia florida (Benth. ex A. Gray) S. Watson	blue paloverde
Parkinsonia microphylla Torr.	yellow paloverde
Parthenocissus vitacea (Knerr) Hitchc.	Woodbine
Paspalum distichum L.	knotgrass
Pectis cylindrica (Fernald) Rydb.	Sonoran chinchweed
Pectis papposa Harv. & A. Gray	manybristle chinchweed
Pectis rusbyi Greene ex A. Gray	Rusby's chinchweed
Pectocarya heterocarpa (I.M. Johnst.) I.M. Johnst.	Chuckwalla Combseed
Pectocarya linearis (Ruiz & Pav.) DC.	sagebrush combseed
Pectocarya penicillata (Hook. & Arn.) A. DC.	sleeping combseed
Pectocarya peninsularis I.M. Johnst.	peninsular pectocarya
Pectocarya platycarpa (Munz & I.M. Johnst.) Munz & I.M. Johnst.	broadfruit combseed
Pectocarya recurvata I.M. Johnst.	curvenut combseed
Pectocarya setosa A. Gray	moth combseed
Pedicularis centranthera A. Gray	dwarf lousewort
Pediomelum tenuiflorum (Pursh) A.N.Egan	Slimflower Scurfpea
Pellaea mucronata (D.C. Eaton) D.C. Eaton	birdfoot cliffbrake
Pellaea truncata Goodding	spiny cliffbrake
Peniocereus greggii (Engelm.) Britton & Rose	nightblooming cereus
Pennellia longifolia (Benth.) Rollins	longleaf mock thelypody
Penstemon barbatus (Cav.) Roth	beardlip penstemon
Penstemon centranthifolius (Benth.) Benth.	scarlet bugler
Penstemon clevelandii A. Gray	Cleveland's beardtongue
Penstemon eatonii A. Gray	Firecracker Penstemon
Penstemon linarioides A. Gray	toadflax penstemon
Penstemon parryi (A. Gray) A. Gray	Parry's beardtongue
Penstemon pseudospectabilis M.E. Jones	desert penstemon
Penstemon subulatus M.E. Jones	Hackberry Beardtongue
Penstemon thurberi Torr.	Thurber's penstemon
Pentagramma triangularis "(Kaulf.) Yatsk.	goldback fern
Perityle emoryi Torr.	Emory's rockdaisy
Persicaria hydropiperoides (Michx.) Small	Swamp Smartweed
Persicaria lapathifolia (L.) Delarbre	Pale Smartweed
Persicaria punctata (Elliott) Small	Dotted Smartweed
Petalonyx linearis Greene	narrowleaf sandpaper plant
Petalonyx thurberi A. Gray	Thurber's sandpaper plant
Peucephyllum schottii A. Gray	Schott's pygmycedar
Phacelia affinis A. Gray	limestone phacelia
Phacelia arizonica A. Gray	Arizona phacelia
Phacelia bombycina Wooton & Standl.	Mangas Spring phacelia
Phacelia campanularia A. Gray	Desertbells
Phacelia cicutaria Greene	caterpillar phacelia
Phacelia coerulea Greene	Skyblue Phacelia
Phacelia crenulata Torr. ex S. Watson	cleftleaf wildheliotrope
Phacelia cryptantha Greene	Hiddenflower Phacelia
Phacelia distans Benth.	distant phacelia
Phacelia heterophylla Pursh	varileaf phacelia
Phacelia ivesiana Torr.	Ives' Phacelia
Phacelia minor (Harv.) Thell.	wild canterbury bells
Phacelia neglecta M.E. Jones	alkali phacelia
Phacelia pachyphylla A. Gray	blacktack phacelia
Phacelia pedicellata A. Gray	pedicellate phacelia
Phacelia ramosissima Douglas ex Lehm.	branching phacelia
Phacelia rotundifolia Torr. ex S. Watson	roundleaf phacelia
Phacelia rupestris Greene	rock phacelia
Phacelia tanacetifolia Benth.	lacy phacelia
Phacelia vallis-mortae J. Voss	Death Valley phacelia
Phalaris angusta Nees ex Trin.	timothy canarygrass
Phanerophlebia auriculata Underw.	eared veinfern
Phaseolus angustissimus A. Gray	slimleaf bean
Phaseolus filiformis Benth.	slimjim bean
Phaseolus maculatus Scheele	spotted bean
Phemeranthus aurantiacus (Engelm.) Kiger	orange fameflower
Phlox austromontana Coville	mountain phlox
Phlox stansburyi (Torr.) A. Heller	cold-desert phlox
Phlox tenuifolia E.E. Nelson	Santa Catalina Mountain phlox
Pholisma arenarium Nutt. ex Hook.	desert christmas tree
Pholisma sonorae (Torr. ex A. Gray) Yatsk.	sandfood
Pholistoma auritum (Lindl.) Lilja	blue fiestaflower
Pholistoma membranaceum (Benth.) Constance	white fiestaflower
Phoradendron bolleanum (Seem.) Eichl.	Bollean mistletoe
Phoradendron californicum Nutt.	mesquite mistletoe
Phoradendron capitellatum Torr. ex Trel.	downy mistletoe
Phoradendron juniperinum Engelm. ex A. Gray	Juniper Mistletoe
Phoradendron leucarpum (Raf.) Reveal & M.C. Johnst.	Oak Mistletoe
Phyla lanceolata (Michx.) Greene	Lanceleaf Fogfruit
Phyla nodiflora (L.) Greene	turkey tangle fogfruit
Phyllospadix torreyi S. Watson	Torrey's surfgrass
Physalis acutifolia (Miers) Sandw.	Sharpleaf Groundcherry
Physalis crassifolia Benth.	yellow nightshade groundcherry
Physalis hederifolia A. Gray	ivyleaf groundcherry
Physaria gordonii (A.Gray) O'Kane & Al-Shehbaz	Gordon's Bladderpod
Physaria tenella (A.Nelson) O'Kane & Al-Shehbaz	Moapa Bladderpod
Pilostyles thurberi A. Gray	Thurber's stemsucker
Pinus monophylla Torr. & Frém.	Singleleaf Pinyon
Pinus ponderosa Lawson & C. Lawson	Ponderosa Pine
Pinus quadrifolia Parl. ex Sudw.	Parry pinyon
Piptatheropsis micrantha "(Trin. & Rupr.) Romasch.	littleseed ricegrass
Plagiobothrys arizonicus (A. Gray) Greene ex A. Gray	Arizona popcornflower
Plagiobothrys collinus (Phil.) I.M. Johnst.	Cooper's popcornflower
Plagiobothrys jonesii A. Gray	Mojave popcornflower
Plagiobothrys pringlei Greene	Pringle's popcornflower
Plagiobothrys tenellus (Nutt. ex Hook.) A. Gray	Pacific popcornflower
Plantago erecta Morris	dotseed plantain
Plantago ovata Forssk.	desert Indianwheat
Plantago patagonica Jacq.	Woolly Plantain
Plantago rhodosperma Decne.	redseed plantain
Plantago wrightiana Decne.	Wright's plantain
Platanus wrightii S. Watson	Arizona sycamore
Platystemon californicus Benth.	Creamcups
Plectritis ciliosa (Greene) Jeps.	longspur seablush
Pleuraphis mutica Buckley	tobosagrass
Pleuraphis rigida Thurb.	big galleta
Pleurocoronis pluriseta (A. Gray) R.M. King & H. Rob.	bush arrowleaf
Pluchea odorata (L.) Cass.	sweetscent
Pluchea sericea (Nutt.) Coville	Arrowweed
Plumbago zeylanica L.	Doctorbush
Poa bigelovii Vasey & Scribn.	Bigelow's bluegrass
Poa fendleriana (Steud.) Vasey	muttongrass
Poa secunda J. Presl	Sandberg Bluegrass
Polanisia dodecandra (L.) DC.	redwhisker clammyweed
Polygonum ramosissimum Michx.	Bushy Knotweed
Polypogon interruptus Kunth	ditch rabbitsfoot grass
Populus deltoides W. Bartram ex Marshall	Eastern Cottonwood
Populus fremontii S. Watson	Fremont Cottonwood
Porophyllum gracile Benth.	slender poreleaf
Portulaca halimoides L.	silkcotton purslane

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