Home » Search: All Plants Native in Warm Deserts

3296 Plants Found

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Ordered by scientific name.

Scientific Name	Common Name	†	Map‡
Phyllanthus ericoides Torr.	heather leaf-flower
Phyllanthus polygonoides Nutt. ex Spreng.	smartweed leaf-flower
Phyllospadix torreyi S. Watson	Torrey's surfgrass
Physalis acutifolia (Miers) Sandw.	Sharpleaf Groundcherry
Physalis cinerascens (Dunal) Hitchc.	Smallflower Groundcherry
Physalis crassifolia Benth.	yellow nightshade groundcherry
Physalis hederifolia A. Gray	ivyleaf groundcherry
Physalis heterophylla Nees	Clammy Groundcherry
Physalis longifolia Nutt.	Longleaf Groundcherry
Physalis missouriensis Mack. & Bush	Missouri groundcherry
Physalis subulata Rydb.	Chihuahuan groundcherry
Physalis virginiana Mill.	Virginia groundcherry
Physaria chambersii Rollins	Chambers' Twinpod
Physaria fendleri (A.Gray) O'Kane & Al-Shehbaz	Fendler's Bladderpod
Physaria gordonii (A.Gray) O'Kane & Al-Shehbaz	Gordon's Bladderpod
Physaria ludoviciana (Nutt.) O'Kane & Al-Shehbaz	Foothill Bladderpod
Physaria tenella (A.Nelson) O'Kane & Al-Shehbaz	Moapa Bladderpod
Physocarpus alternans (M.E. Jones) J.T. Howell	Dwarf Ninebark
Physocarpus monogynus (Torr.) J.M. Coult.	mountain ninebark
Pilostyles thurberi A. Gray	Thurber's stemsucker
Pinaropappus parvus S.F. Blake	small rocklettuce
Pinaropappus roseus (Less.) Less.	white rocklettuce
Pinus arizonica Engelm.	Arizona pine
Pinus cembroides Zucc.	Mexican pinyon
Pinus edulis Engelm.	Twoneedle Pinyon
Pinus flexilis James	Limber Pine
Pinus leiophylla Schiede & Deppe	Chihuahuan pine
Pinus longaeva D.K. Bailey	Great Basin Bristlecone Pine
Pinus ponderosa Lawson & C. Lawson	Ponderosa Pine
Pinus quadrifolia Parl. ex Sudw.	Parry pinyon
Pinus remota (Little) D.K. Bailey & Hawksw.	papershell pinyon
Pinus strobiformis Engelm.	southwestern white pine
Piptatheropsis micrantha "(Trin. & Rupr.) Romasch.	littleseed ricegrass
Piptochaetium fimbriatum (Kunth) Hitchc.	pinyon ricegrass
Piptochaetium pringlei (Beal) Parodi	Pringle's speargrass
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 helleri Small	Heller's plantain
Plantago hookeriana Fisch. & C.A. Mey.	California Plantain
Plantago ovata Forssk.	desert Indianwheat
Plantago patagonica Jacq.	Woolly Plantain
Plantago rhodosperma Decne.	redseed plantain
Plantago wrightiana Decne.	Wright's plantain
Platanthera sparsiflora (S. Watson) Schltr.	sparse-flowered bog orchid
Platanthera tescamnis Sheviak & W.F. Jenn.	Intermountain Bog Orchid
Platanus wrightii S. Watson	Arizona sycamore
Plateilema palmeri (A. Gray) Cockerell	plateilema
Platystemon californicus Benth.	Creamcups
Plectocephalus americanus (Nutt.) D.Don	American Star-thistle
Plectritis ciliosa (Greene) Jeps.	longspur seablush
Pleiacanthus spinosus (Nutt.) Rydb.	Thorn Skeletonweed
Pleopeltis polylepis (Roem. ex Kunze) T. Moore	redscale scaly polypody
Pleopeltis riograndensis (T. Wendt) Andrews & Windham	Rio Grande scaly polypody
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 arachnifera Torr.	Texas Bluegrass
Poa arida Vasey	Plains Bluegrass
Poa bigelovii Vasey & Scribn.	Bigelow's bluegrass
Poa fendleriana (Steud.) Vasey	muttongrass
Poa occidentalis Vasey	New Mexico bluegrass
Poa palustris L.	Fowl Bluegrass
Poa secunda J. Presl	Sandberg Bluegrass
Poa strictiramea Hitchc.	Big Bend bluegrass
Polanisia dodecandra (L.) DC.	redwhisker clammyweed
Polanisia jamesii (Torr. & A. Gray) Iltis	James' clammyweed
Polanisia uniglandulosa (Cav.) DC.	Mexican clammyweed
Polemonium pauciflorum S. Watson	fewflower Jacob's-ladder
Poliomintha glabrescens A. Gray	leafy rosemary-mint
Poliomintha incana (Torr.) A. Gray	frosted mint
Polygonatum biflorum (Walter) Elliott	smooth Solomon's seal
Polygonum douglasii Greene	Douglas' knotweed
Polygonum ramosissimum Michx.	Bushy Knotweed
Polypogon elongatus Kunth	streambank rabbitsfoot grass
Polypogon interruptus Kunth	ditch rabbitsfoot grass
Polystichum scopulinum (D.C. Eaton) Maxon	Mountain Hollyfern
Pomaria jamesii (Torr. & A. Gray) Walp.	James' holdback
Pomaria melanosticta S. Schauer	Parry's holdback
Populus angustifolia James	Narrowleaf Cottonwood
Populus balsamifera L.	Balsam Poplar
Populus deltoides W. Bartram ex Marshall	Eastern Cottonwood
Populus fremontii S. Watson	Fremont Cottonwood
Populus tremuloides Michx.	Quaking Aspen
Porophyllum gracile Benth.	slender poreleaf
Porophyllum greggii A. Gray	Gregg's poreleaf
Porophyllum pygmaeum Keil & J. Morefield	Dwarf Poreleaf
Porophyllum ruderale (Jacq.) Cass.	yerba porosa
Porophyllum scoparium A. Gray	Trans-Pecos poreleaf
Portulaca halimoides L.	silkcotton purslane
Portulaca pilosa L.	kiss me quick
Portulaca suffrutescens Engelm.	shrubby purslane
Potamogeton clystocarpus Fernald	little aguja pondweed
Potamogeton diversifolius Raf.	waterthread pondweed
Potamogeton foliosus Raf.	Leafy Pondweed
Potamogeton illinoensis Morong	Illinois Pondweed
Potamogeton nodosus Poir.	longleaf pondweed
Potamogeton pusillus L.	small pondweed
Potentilla biennis Greene	biennial cinquefoil
Potentilla concinna Richardson	elegant cinquefoil
Potentilla crinita A. Gray	bearded cinquefoil
Potentilla cryptocaulis Clokey	Charleston Peak Mousetail
Potentilla gracilis Douglas ex Hook.	slender cinquefoil
Potentilla hippiana Lehm.	Woolly Cinquefoil
Potentilla jaegeri (Munz & I.M.Johnst.) L.C.Wheeler	Jaeger's Mousetail
Potentilla norvegica L.	Rough Cinquefoil
Potentilla pensylvanica L.	Pennsylvania cinquefoil
Potentilla rivalis Nutt.	Brook Cinquefoil
Potentilla sabulosa M.E.Jones	Intermountain Mousetail
Potentilla supina L.	Paradox Cinquefoil
Prenanthella exigua (A. Gray) Rydb.	brightwhite
Primula fragrans A.R.Mast & Reveal	Scented Shootingstar
Proboscidea althaeifolia (Benth.) Decne.	desert unicorn-plant
Proboscidea parviflora (Wooton) Wooton & Standl.	Doubleclaw
Proboscidea sabulosa Correll	sanddune unicorn-plant
Proboscidea spicata Correll	New Mexico unicorn-plant
Prosopis glandulosa Torr.	Honey Mesquite
Prosopis pubescens Benth.	screwbean mesquite
Prosopis velutina Wooton	velvet mesquite
Prunus emarginata (Douglas ex Hook.) D. Dietr.	bitter cherry
Prunus fasciculata (Torr.) A. Gray	desert almond
Prunus fremontii S. Watson	desert apricot
Prunus havardii (W. Wight) S.C. Mason	Havard's plum
Prunus ilicifolia (Nutt. ex Hook. & Arn.) D. Dietr.	hollyleaf cherry
Prunus minutiflora Engelm.	Texas almond
Prunus murrayana Palmer	Murray's plum
Prunus serotina Ehrh.	Black Cherry	✓
Prunus virginiana L.	Chokecherry
Psathyrotes annua (Nutt.) A. Gray	annual psathyrotes
Psathyrotes pilifera A. Gray	Hairybeast Turtleback
Psathyrotes ramosissima (Torr.) A. Gray	velvet turtleback
Psathyrotopsis scaposa (A. Gray) H. Rob.	naked turtleback
Pseudoclappia arenaria Rydb.	Trans-Pecos false clapdaisy
Pseudoclappia watsonii A. Powell & B.L. Turner	Watson's false clapdaisy
Pseudoeriocoma eminens (Cav.) Romasch.	Southwestern Needlegrass
Pseudognaphalium arizonicum (A. Gray) Anderb.	Arizona cudweed
Pseudognaphalium biolettii Anderb.	two-color rabbit-tobacco
Pseudognaphalium canescens (DC.) W.A. Weber	Wright's cudweed
Pseudognaphalium jaliscense (Greenm.) Anderb.	Jalisco rabbit-tobacco
Pseudognaphalium leucocephalum (A. Gray) Anderb.	white cudweed
Pseudognaphalium macounii (Greene) Kartesz	Macoun's cudweed
Pseudognaphalium pringlei (A. Gray) Anderb.	Pringle's cudweed
Pseudognaphalium stramineum (Kunth) Anderb.	Cottonbatting Plant
Pseudognaphalium viscosum (Kunth) W.A. Weber	winged cudweed
Pseudorontium cyathiferum (Benth.) Rothm.	dog's-mouth
Pseudostellaria jamesiana (Torr.) W.A. Weber & R.L. Hartm.	tuber starwort
Pseudotsuga menziesii (Mirb.) Franco	Douglas Fir
Psilactis asteroides A. Gray	New Mexico tansyaster
Psilactis brevilingulata Sch. Bip. ex Hemsl.	Trans-Pecos tansyaster
Psilactis tenuis S. Watson	slender tansyaster
Psilostrophe cooperi (A. Gray) Greene	whitestem paperflower
Psilostrophe tagetina (Nutt.) Greene	Woolly Paperflower
Psorothamnus arborescens (Torr. ex A. Gray) Barneby	Mojave indigobush
Psorothamnus emoryi (A. Gray) Rydb.	dyebush
Psorothamnus fremontii (Torr. ex A. Gray) Barneby	Fremont's dalea
Psorothamnus polydenius (Torr. ex S. Watson) Rydb.	Nevada dalea
Psorothamnus schottii (Torr.) Barneby	Schott's dalea
Psorothamnus scoparius (A. Gray) Rydb.	broom dalea
Psorothamnus spinosus (A. Gray) Barneby	smoketree
Ptelea trifoliata L.	Common Hoptree
Pteridium aquilinum (L.) Kuhn	western brackenfern
Pterospora andromedea Nutt.	woodland pinedrops
Pterostegia drymarioides Fisch. & C.A. Mey.	woodland pterostegia
Puccinellia parishii Hitchc.	bog alkaligrass
Purshia ericifolia (Torr. ex A. Gray) Henrickson	heath cliffrose
Purshia glandulosa Curran	desert bitterbrush
Purshia stansburiana (Torr.) Henrickson	Stansbury Cliffrose
Purshia tridentata (Pursh) DC.	Antelope Bitterbrush
Pyrola asarifolia Michx.	Liverleaf Wintergreen
Pyrola chlorantha Sw.	Greenflowered Wintergreen
Pyrola picta Sm.	whiteveined wintergreen
Pyrrhopappus pauciflorus (D. Don) DC.	smallflower desert-chicory
Pyrrocoma uniflora (Hook.) Greene	Plantain Goldenweed
Quercus ×undulata Torr.	Wavyleaf Oak
Quercus ajoensis C.H. Mull.	Ajo Mountain scrub oak
Quercus arizonica Sarg.	Arizona white oak
Quercus carmenensis C.H. Mull.	Mexican oak
Quercus chihuahuensis Trel.	Chihuahuan oak
Quercus chrysolepis Liebm.	Canyon Live Oak
Quercus cornelius-mulleri Nixon & Steele	Muller oak
Quercus depressipes Trel.	Davis Mountain oak
Quercus emoryi Torr.	Emory oak
Quercus fusiformis Small	Texas Live Oak
Quercus gambelii Nutt.	Gambel Oak
Quercus graciliformis C.H. Mull.	Chisos oak
Quercus gravesii Sudw.	Chisos red oak
Quercus grisea Liebm.	Gray Oak
Quercus havardii Rydb.	Havard Oak
Quercus hinckleyi C.H. Mull.	Hinckley oak
Quercus hypoleucoides A. Camus	silverleaf oak
Quercus intricata Trel.	dwarf oak
Quercus laceyi Small	Lacey oak
Quercus mohriana Buckley ex Rydb.	Mohr Oak
Quercus muehlenbergii Engelm.	Chinquapin Oak	✓
Quercus palmeri Engelm.	Palmer oak
Quercus pungens Liebm.	pungent oak
Quercus robusta C.H. Mull.	robust oak
Quercus rugosa Née	netleaf oak
Quercus tardifolia C.H. Mull.	lateleaf oak
Quercus toumeyi Sarg.	Toumey oak
Quercus turbinella Greene	Sonoran scrub oak
Quercus vaseyana Buckley	sandpaper oak
Quercus wislizeni A. DC.	interior live oak
Quincula lobata (Torr.) Raf.	Chinese lantern
Rafinesquia californica Nutt.	California plumeseed
Rafinesquia neomexicana A. Gray	New Mexico plumeseed
Ranunculus aquatilis L.	white water crowfoot
Ranunculus cymbalaria Pursh	Alkali Buttercup
Ranunculus hydrocharoides A. Gray	frogbit buttercup
Ranunculus longirostris Godr.	Longbeak Buttercup
Ranunculus petiolaris Kunth ex DC.	Latin American buttercup
Ranunculus sceleratus L.	cursed buttercup
Ratibida tagetes (James) Barnhart	green prairie coneflower
Rayjacksonia annua (Rydb.) R.L. Hartm. & M.A. Lane	viscid tansyaster
Rhamnus ilicifolia Kellogg	hollyleaf redberry
Rhamnus serrata Humb. & Bonpl. ex Schult.	sawleaf buckthorn
Rhamnus smithii Greene	Smith's buckthorn
Rhinotropis intermontana (T.Wendt) J.R.Abbott	Intermountain Milkwort
Rhinotropis lindheimeri (A.Gray) J.R.Abbott	Shrubby Milkwort
Rhinotropis maravillasensis (Correll) J.R.Abbott	Maravillas Milkwort
Rhinotropis nudata (Brandegee) J.R.Abbott	Smallflower Milkwort
Rhinotropis rimulicola (Steyerm.) J.R.Abbott	Steyermark's Milkwort
Rhodiola integrifolia Raf.	ledge stonecrop
Rhus aromatica Aiton	Fragrant Sumac
Rhus copallinum L.	Winged Sumac
Rhus integrifolia (Nutt.) W.H. Brewer & S. Watson	lemonade sumac
Rhus kearneyi F.A. Barkley	Kearney's sumac
Rhus lanceolata (A. Gray) Britton	prairie sumac
Rhus microphylla Engelm. ex A. Gray	littleleaf sumac
Rhus ovata S. Watson	sugar sumac
Rhus trilobata Nutt.	Skunkbush Sumac
Rhus virens Lindh. ex A. Gray	evergreen sumac
Rhynchosia edulis Griseb.	Chihuahuan snoutbean
Rhynchosia senna Gillies ex Hook.	Texas snoutbean
Rhynchosida physocalyx (A. Gray) Fryxell	buffpetal
Rhynchospora colorata (L.) H. Pfeiffer	starrush whitetop
Ribes aureum Pursh	Golden Currant
Ribes cereum Douglas	wax currant
Ribes indecorum Eastw.	whiteflower currant
Ribes leptanthum A. Gray	trumpet gooseberry
Ribes mescalerium Coville	Mescalero currant
Ribes montigenum McClatchie	gooseberry currant
Ribes quercetorum Greene	rock gooseberry
Ribes velutinum Greene	desert gooseberry
Rivina humilis L.	rougeplant
Robinia neomexicana A. Gray	New Mexico locust
Romneya trichocalyx Eastw.	bristly Matilija poppy
Rorippa curvipes Greene	bluntleaf yellowcress
Rorippa curvisiliqua (Hook.) Besser ex Britton	curvepod yellowcress
Rorippa palustris (L.) Besser	bog yellowcress
Rorippa ramosa Rollins	Durango yellowcress
Rorippa sinuata (Nutt.) Hitchc.	spreading yellowcress
Rorippa sphaerocarpa (A. Gray) Britton	roundfruit yellowcress
Rorippa tenerrima Greene	Modoc yellowcress
Rorippa teres (Michx.) R. Stuckey	southern marsh yellowcress
Rosa arkansana Porter	prairie rose
Rosa stellata Wooton	desert rose
Rosa woodsii Lindl.	Woods' Rose
Rubus arizonensis Focke	Arizona dewberry
Rubus flagellaris Willd.	Northern Dewberry
Rubus leucodermis Douglas ex Torr. & A. Gray	whitebark raspberry
Rubus neomexicanus A. Gray	New Mexico raspberry
Ruellia corzoi Tharp & F.A. Barkley	Corzo's wild petunia
Ruellia metziae Tharp	Metz's wild petunia
Ruellia nudiflora (Engelm. & A. Gray) Urb.	violet wild petunia
Ruellia occidentalis (A. Gray) Tharp & F.A. Barkley	western wild petunia
Ruellia parryi A. Gray	Parry's wild petunia
Rumex altissimus Alph. Wood	pale dock
Rumex hymenosepalus Torr.	canaigre dock
Rumex spiralis Small	Winged Dock
Rumex venosus Pursh	Veiny Dock
Rumex violascens Rech. f.	Violet Dock
Ruppia cirrhosa (Petagna) Grande	spiral ditchgrass
Sabulina macrantha (Rydb.) Dillenb. & Kadereit	House's Stitchwort
Sabulina rubella (Wahlenb.) Dillenb. & Kadereit	Beautiful Sandwort
Sageretia wrightii S. Watson	Wright's mock buckthorn
Sagina saginoides (L.) Karst.	arctic pearlwort
Sagittaria calycina Engelm.	Hooded Arrowhead
Sagittaria longiloba Engelm. ex J.G. Sm.	longbarb arrowhead
Sairocarpus kingii (S. Watson) D.A. Sutton	Least Snapdragon
Sairocarpus pusillus (Brandegee) D.A. Sutton	lesser snapdragon
Salazaria mexicana Torr.	Mexican bladdersage
Salix amygdaloides Andersson	peachleaf willow
Salix bonplandiana Kunth	Bonpland willow
Salix exigua Nutt.	narrowleaf willow
Salix gooddingii C.R. Ball	Goodding's Willow
Salix laevigata Bebb	red willow
Salix lasiolepis Benth.	arroyo willow
Salix lutea Nutt.	yellow willow
Salix nigra Marshall	Black Willow
Salix scouleriana Barratt ex Hook.	Scouler's willow
Salix taxifolia Kunth	Yewleaf Willow
Saltugilia australis (H. Mason & A.D. Grant) L.A. Johnson	southern gilia
Salvia apiana Jeps.	white sage
Salvia arizonica A. Gray	desert indigo sage
Salvia ballotiflora Benth.	shrubby blue sage
Salvia columbariae Benth.	chia
Salvia dorrii (Kellogg) Abrams	purple sage
Salvia farinacea Benth.	mealycup sage
Salvia greatae Brandegee	lavender sage
Salvia henryi A. Gray	crimson sage
Salvia leptophylla Benth.	slenderleaf sage
Salvia lycioides A. Gray	canyon sage
Salvia mohavensis Greene	Mojave sage
Salvia pachyphylla Epling ex Munz	Blue Sage
Salvia pinguifolia (Fernald) Wooton & Standl.	rock sage
Salvia regla Cav.	mountain sage
Salvia roemeriana Scheele	cedar sage
Salvia subincisa Benth.	sawtooth sage
Salvia summa A. Nelson	great sage
Salvia texana (Scheele) Torr.	Texas sage
Salvia vaseyi (Porter) Parish	scallopleaf sage
Salvia whitehousei G. Alziar	clustered sage
Sambucus racemosa L.	Red Elderberry
Sanvitalia abertii A. Gray	Abert's creeping zinnia
Sapindus saponaria L.	wingleaf soapberry
Sarcobatus vermiculatus (Hook.) Torr.	Greasewood
Sarcocornia utahensis (Tidestr.) A.J. Scott	Utah swampfire
Sartwellia flaveriae A. Gray	threadleaf glowwort
Schaefferia cuneifolia A. Gray	desert yaupon
Schedonnardus paniculatus (Nutt.) Trel.	tumblegrass
Schiedeella arizonica P.M. Brown	parasitic lady's tresses
Schistophragma intermedia (A. Gray) Pennell	harlequin spiralseed
Schizachyrium cirratum (Hack.) Wooton & Standl.	Texas bluestem
Schizachyrium sanguineum (Retz.) Alston	crimson bluestem
Schizachyrium scoparium (Michx.) Nash	Little Bluestem
Schizachyrium spadiceum (Swallen) Wipff	honey bluestem
Schkuhria multiflora Hook. & Arn.	manyflower false threadleaf
Schkuhria pinnata (Lam.) Kuntze ex Thell.	pinnate false threadleaf
Schoenocaulon texanum Scheele	Texas feathershank
Schoenoplectus acutus (Muhl. ex Bigelow) Á. Löve & D. Löve	Hardstem Bulrush
Schoenoplectus americanus (Pers.) Volkart ex Schinz & R. Keller	chairmaker's bulrush
Schoenoplectus californicus (C.A. Mey.) Palla	California Bulrush
Schoenoplectus pungens (Vahl) Palla	common threesquare
Schoenoplectus tabernaemontani (C.C. Gmel.) Palla	softstem bulrush
Schoenus nigricans L.	Black Bogrush
Scirpus microcarpus J. Presl & C. Presl	panicled bulrush
Sclerocactus papyracanthus (Engelm.) N.P. Taylor	paperspine fishhook cactus
Scleropogon brevifolius Phil.	burrograss
Scopulophila rixfordii (Brandegee) Munz & I.M. Johnst.	Rixford's Rockwort
Scrophularia californica Cham. & Schltdl.	California figwort
Scrophularia laevis Wooton & Standl.	Organ Mountain figwort
Scrophularia macrantha Greene ex Stiefelhagen	New Mexico figwort
Scrophularia montana Wooton	mountain figwort
Scrophularia parviflora Wooton & Standl.	pineland figwort
Scutellaria drummondii Benth.	Drummond's skullcap
Scutellaria laevis Shinners	Culberson County skullcap
Scutellaria microphylla Moc. & Sessé ex Benth.	littleleaf skullcap
Scutellaria potosina Brandegee	Mexican skullcap
Scutellaria texana B.L. Turner	Texas skullcap
Scutellaria wrightii A. Gray	Wright's skullcap
Sebastiania bilocularis S. Watson	arrow poision plant
Sedum cockerellii Britton	Cockerell's stonecrop
Sedum havardii Rose	Havard's stonecrop
Sedum wrightii A. Gray	Wright's stonecrop
Selaginella arizonica Maxon	Arizona spikemoss
Selaginella densa Rydb.	lesser spikemoss
Selaginella eremophila Maxon	desert spikemoss
Selaginella lepidophylla (Hook. & Grev.) Spring	flower of stone
Selaginella leucobryoides Maxon	Mojave Spikemoss
Selaginella mutica D.C. Eaton ex Underw.	bluntleaf spikemoss
Selaginella peruviana (Milde) Hieron.	Peruvian spikemoss
Selaginella pilifera A. Braun	resurrection plant
Selaginella rupincola Underw.	Rockloving Spikemoss
Selaginella underwoodii Hieron.	Underwood's spikemoss
Selaginella viridissima Weath.	green spikemoss
Selaginella watsonii Underw.	Watson's spikemoss
Selaginella wrightii Hieron.	Wright's spikemoss
Selenia dissecta Torr. & A. Gray	Texas selenia
Senecio bigelovii A. Gray	nodding ragwort
Senecio californicus DC.	California ragwort
Senecio flaccidus Less.	threadleaf ragwort
Senecio lemmonii A. Gray	Lemmon's ragwort
Senecio mohavensis A. Gray	Mojave ragwort
Senecio parryi A. Gray	mountain ragwort
Senecio riddellii Torr. & A. Gray	Riddell's ragwort
Senecio spartioides Torr. & A. Gray	broom-like ragwort
Senecio warnockii Shinners	Warnock's ragwort
Senecio wootonii Greene	Wooton's ragwort
Senega alba (Nutt.) J.F.B.Pastore & J.R.Abbott	White Milkwort
Senega hemipterocarpa (A.Gray) J.F.B.Pastore & J.R.Abbott	Winged Milkwort
Senega scoparioides (Chodat) J.F.B.Pastore & J.R.Abbott	Broom Milkwort
Senega watsonii (Chodat) J.F.B.Pastore & J.R.Abbott	Watson's Milkwort
Senegalia berlandieri (Benth.) Britton & Rose	Guajillo
Senegalia greggii (A. Gray) Britton & Rose	Catclaw Acacia
Senegalia roemeriana (Scheele) Britton & Rose	roundflower catclaw
Senegalia wrightii (Benth.) Britton & Rose	catclaw acacia
Senna armata (S. Watson) Irwin & Barneby	desertsenna
Senna bauhinioides (A. Gray) Irwin & Barneby	twinleaf senna
Senna covesii (A. Gray) Irwin & Barneby	Coues' cassia
Senna durangensis (Rose) Irwin & Barneby	Durango senna
Senna lindheimeriana (Scheele) Irwin & Barneby	velvet leaf senna
Senna monozyx (Irwin & Barneby) Irwin & Barneby	Andean Senna
Senna orcuttii (Britton & Rose) Irwin & Barneby	Orcutt's senna
Senna pilosior (B.L. Rob. ex J.F. Macbr.) Irwin & Barneby	Trans-Pecos senna
Senna pumilio (A. Gray) Irwin & Barneby	dwarf senna
Senna roemeriana (Scheele) Irwin & Barneby	twoleaf senna
Senna wislizeni (A. Gray) Irwin & Barneby	Wislizenus' senna
Sesbania herbacea (Mill.) McVaugh	Bigpod Sesbania
Sesuvium maritimum (Walter) Britton, Sterns & Poggenb	Slender Seapurslane
Sesuvium verrucosum Raf.	verrucose seapurslane
Setaria grisebachii Fourn.	Grisebach's bristlegrass
Setaria leucopila (Scribn. & Merr.) K. Schum.	streambed bristlegrass
Setaria macrostachya Kunth	Large-Spike Bristlegrass
Setaria parviflora (Poir.) Kerguélen	marsh bristlegrass
Setaria reverchonii (Vasey) Pilg.	Reverchon's bristlegrass
Setaria scheelei (Steud.) Hitchc.	southwestern bristlegrass
Setaria texana W.H.P. Emery	Texas bristlegrass
Setaria villosissima (Scribn. & Merr.) K. Schum.	hairyleaf bristlegrass
Seymeria falcata B.L. Turner	curved-fruit blacksenna
Seymeria scabra A. Gray	limpia blacksenna
Shepherdia rotundifolia Parry	roundleaf buffaloberry
Sicyos glaber Wooton	smooth bur cucumber
Sicyos laciniatus L.	Cutleaf Bur Cucumber
Sicyos microphyllus Kunth	small-leaf bur cucumber
Sicyos parviflorus Willd.	smallflower bur cucumber
Sida abutilifolia Mill.	Spreading Fanpetals
Sida longipes A. Gray	stockflower fanpetals
Sida neomexicana A. Gray	New Mexico fanpetals
Sida tragiifolia A. Gray	Earleaf Fanpetals
Sidalcea covillei Greene	Owens Valley sidalcea
Sidalcea neomexicana A. Gray	salt spring checkerbloom
Sideroxylon lanuginosum Michx.	gum bully
Sidotheca trilobata (A.Gray) Reveal	Threelobe Oxytheca
Silene antirrhina L.	sleepy silene
Silene clokeyi C.L. Hitchc. & Maguire	Clokey's Catchfly
Silene drummondii Hook.	Drummond's campion
Silene laciniata Cav.	cardinal catchfly
Silene menziesii Hook.	Menzies' campion
Silene plankii C.L. Hitchc. & Maguire	Plank's catchfly
Silene scouleri Hook.	Simple Campion
Silene verecunda S. Watson	San Francisco campion
Silene wrightii A. Gray	Wright's catchfly
Simmondsia chinensis (Link) C.K. Schneid.	jojoba
Simsia calva (Engelm. & A. Gray) A. Gray	awnless bushsunflower
Simsia lagasceiformis DC.	annual bushsunflower
Sisymbrium linifolium (Nutt.) Nutt.	Flaxleaf Plainsmustard
Sisyrinchium bellum S. Watson	Western Blue-eyed Grass
Sisyrinchium chilense Hook.	swordleaf blue-eyed grass
Sisyrinchium demissum Greene	stiff blue-eyed grass
Sisyrinchium funereum E.P. Bicknell	Funeral Mountain Blue-eyed Grass
Sisyrinchium montanum Greene	strict blue-eyed grass
Sisyrinchium radicatum E.P. Bicknell	Bigroot Blue-Eyed Grass
Solanum citrullifolium A. Braun	watermelon nightshade
Solanum davisense M.D. Whalen	Davis horsenettle
Solanum heterodoxum Dunal	melonleaf nightshade
Solanum jamesii Torr.	wild potato
Solanum ptycanthum Dunal	West Indian Nightshade
Solanum tenuipes Bartlett	fancy nightshade
Solanum triquetrum Cav.	Texas nightshade
Solanum xanti A. Gray	chaparral nightshade
Solidago altissima L.	Tall Goldenrod
Solidago gigantea Aiton	Giant Goldenrod
Solidago juliae G.L. Nesom	Julia's goldenrod
Solidago lepida DC.	Western Goldenrod
Solidago simplex Kunth	Mt. Albert goldenrod
Solidago spectabilis (D.C. Eaton) A. Gray	Nevada Goldenrod
Solidago velutina DC.	Threenerve Goldenrod
Solidago wrightii A. Gray	Wright's Goldenrod
Sophora nuttalliana B.L. Turner	silky sophora
Sophora stenophylla A. Gray	fringeleaf necklacepod
Sorghastrum nutans (L.) Nash	Yellow Indiangrass
Spartina gracilis Trin.	alkali cordgrass
Spartina pectinata Bosc ex Link	Prairie Cordgrass
Spermolepis echinata (Nutt. ex DC.) A. Heller	bristly scaleseed
Spermolepis inermis (Nutt. ex DC.) Mathias & Constance	Red River scaleseed
Sphaeralcea ambigua A. Gray	desert globemallow
Sphaeralcea angustifolia (Cav.) G. Don	copper globemallow
Sphaeralcea coccinea (Nutt.) Rydb.	scarlet globemallow
Sphaeralcea coulteri (S. Watson) A. Gray	Coulter's globemallow
Sphaeralcea digitata (Greene) Rydb.	juniper globemallow
Sphaeralcea emoryi Torr. ex A. Gray	Emory's globemallow
Sphaeralcea fendleri A. Gray	Fendler's Globemallow
Sphaeralcea grossulariifolia (Hook. & Arn.) Rydb.	gooseberryleaf globemallow
Sphaeralcea hastulata A. Gray	spear globemallow
Sphaeralcea incana Torr. ex A. Gray	gray globemallow
Sphaeralcea laxa Wooton & Standl.	caliche globemallow
Sphaeralcea leptophylla (A. Gray) Rydb.	Scaly Globemallow
Sphaeralcea orcuttii Rose	Carrizo Creek globemallow
Sphaeralcea parvifolia A. Nelson	small-leaf globemallow
Sphaeralcea polychroma La Duke	hot springs globemallow
Sphaeralcea procera Ced. Porter	Luna County globemallow
Sphaeralcea wrightii A. Gray	Wright's globemallow
Sphenopholis intermedia (Rydb.) Rydb.	slender wedgescale
Sphenopholis obtusata (Michx.) Scribn.	Prairie Wedgescale
Spigelia hedyotidea A. DC.	prairie pinkroot
Spiranthes magnicamporum Sheviak	Great Plains lady's tresses
Spirodela polyrhiza (L.) Schleid.	Common Duckmeat
Sporobolus airoides (Torr.) Torr.	Alkali Sacaton
Sporobolus contractus Hitchc.	spike dropseed
Sporobolus cryptandrus (Torr.) A. Gray	sand dropseed
Sporobolus flexuosus (Thurb. ex Vasey) Rydb.	mesa dropseed
Sporobolus giganteus Nash	giant dropseed
Sporobolus nealleyi Vasey	gyp dropseed

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