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7974 Plants Found

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Ordered by scientific name.

Scientific Name	Common Name	†	Map‡
Solidago sciaphila Steele	Shadowy Goldenrod
Solidago sempervirens L.	Seaside Goldenrod	✓
Solidago simplex Kunth	Mt. Albert goldenrod
Solidago speciosa Nutt.	showy goldenrod
Solidago tortifolia Elliott	twistleaf goldenrod
Solidago uliginosa Nutt.	Bog Goldenrod
Solidago ulmifolia Muhl. ex Willd.	Elmleaf Goldenrod
Solidago velutina DC.	Threenerve Goldenrod
Solidago wrightii A. Gray	Wright's Goldenrod
Soliva sessilis Ruiz & Pav.	field burrweed
Sonchus arvensis L.	field sowthistle
Sonchus asper (L.) Hill	spiny sowthistle
Sonchus oleraceus L.	common sowthistle
Sophora nuttalliana B.L. Turner	silky sophora
Sophora stenophylla A. Gray	fringeleaf necklacepod
Sophora tomentosa L.	yellow necklacepod
Sorbaria sorbifolia (L.) A. Braun	false spiraea
Sorbus aucuparia L.	European mountain ash
Sorbus decora (Sarg.) C.K. Schneid.	northern mountain ash
Sorbus scopulina Greene	Greene's mountain ash
Sorbus sitchensis M. Roem.	western mountain ash
Sorghastrum elliottii (C. Mohr) Nash	slender Indiangrass
Sorghastrum nutans (L.) Nash	Yellow Indiangrass
Sorghum bicolor (L.) Moench	Sorghum
Sorghum halepense (L.) Pers.	Johnsongrass
Sparganium americanum Nutt.	American bur-reed
Sparganium androcladum (Engelm.) Morong	branched bur-reed
Sparganium angustifolium Michx.	narrowleaf bur-reed
Sparganium emersum Rehmann	European bur-reed
Sparganium eurycarpum Engelm.	broadfruit bur-reed
Sparganium fluctuans (Engelm. ex Morong) B.L. Rob.	floating bur-reed
Sparganium glomeratum (Beurling ex Laest.) L. Neum.	clustered bur-reed
Sparganium natans L.	Small Bur-reed
Spartina bakeri Merr.	sand cordgrass
Spartina cynosuroides (L.) Roth	big cordgrass
Spartina densiflora Brongn.	denseflower cordgrass
Spartina gracilis Trin.	alkali cordgrass
Spartina patens (Aiton) Muhl.	Saltmeadow Cordgrass
Spartina pectinata Bosc ex Link	Prairie Cordgrass
Spartina spartinae (Trin.) Merr. ex Hitchc.	gulf cordgrass
Spartium junceum L.	Spanish broom
Spergula arvensis L.	corn spurry
Spergularia diandra (Guss.) Held. & Sart.	alkali sandspurry
Spergularia echinosperma (Celak.) Asch. & Graebn.	bristleseed sandspurry
Spergularia platensis (Camb.) Fenzl	La Plata sandspurry
Spergularia rubra (L.) J. Presl & C. Presl	Red Sandspurry
Spermacoce glabra Michx.	smooth false buttonweed
Spermacoce tenuior L.	slender false buttonweed
Spermolepis divaricata (Walter) Raf. ex Ser.	Roughfruit Scaleseed
Spermolepis echinata (Nutt. ex DC.) A. Heller	bristly scaleseed
Spermolepis inermis (Nutt. ex DC.) Mathias & Constance	Red River scaleseed
Sphaeralcea angustifolia (Cav.) G. Don	copper globemallow
Sphaeralcea coccinea (Nutt.) Rydb.	scarlet 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 lindheimeri A. Gray	woolly globemallow
Sphaeralcea parvifolia A. Nelson	small-leaf globemallow
Sphaeralcea pedatifida (A. Gray) A. Gray	palmleaf globemallow
Sphaeralcea polychroma La Duke	hot springs globemallow
Sphaeralcea procera Ced. Porter	Luna County globemallow
Sphaerophysa salsula (Pall.) DC.	alkali swainsonpea
Sphagneticola trilobata (L.) Pruski	Bay Biscayne creeping-oxeye
Sphenoclea zeylanica Gaertn.	chickenspike
Sphenopholis filiformis (Chapm.) Scribn.	longleaf wedgescale
Sphenopholis intermedia (Rydb.) Rydb.	slender wedgescale
Sphenopholis longiflora (Vasey) Hitchc.	Texas wedgescale
Sphenopholis nitida (Biehler) Scribn.	shiny wedgescale
Sphenopholis obtusata (Michx.) Scribn.	Prairie Wedgescale
Sphenopholis pensylvanica (L.) Hitchc.	swamp wedgescale
Spigelia hedyotidea A. DC.	prairie pinkroot
Spigelia marilandica (L.) L.	woodland pinkroot
Spigelia texana (Torr. & A. Gray) A. DC.	Texas pinkroot
Spinacia oleracea L.	Spinach
Spiraea cantoniensis Lour.	Reeves' meadowsweet
Spiraea douglasii Hook.	rose spirea
Spiraea japonica L. f.	Japanese meadowsweet
Spiraea lucida Douglas ex Greene	shinyleaf spirea
Spiraea prunifolia Siebold & Zucc.	bridalwreath spirea
Spiraea splendens Baumann ex K. Koch	rose meadowsweet
Spiraea thunbergii Siebold ex Blume	Thunberg's Meadowsweet
Spiraea tomentosa L.	steeplebush
Spiraea trilobata L.	Asian Meadowsweet
Spiranthes brevilabris Lindl.	Texas lady's tresses
Spiranthes cernua (L.) Rich.	Nodding Lady's Tresses
Spiranthes diluvialis Sheviak	Ute Lady's Tresses
Spiranthes eatonii Ames ex P.M. Brown	Eaton's lady's tresses
Spiranthes floridana (Wherry) Cory	Florida lady's tresses
Spiranthes lacera (Raf.) Raf.	Northern Slender Lady's Tresses
Spiranthes laciniata (Small) Ames	Lacelip Lady's Tresses
Spiranthes longilabris Lindl.	giantspiral lady's tresses
Spiranthes lucida (H.H. Eaton) Ames	Shining Ladies' Tresses
Spiranthes magnicamporum Sheviak	Great Plains lady's tresses
Spiranthes odorata (Nutt.) Lindl.	Marsh Lady's Tresses
Spiranthes ovalis Lindl.	October lady's tresses
Spiranthes praecox (Walter) S. Watson	greenvein lady's tresses
Spiranthes romanzoffiana Cham.	hooded lady's tresses
Spiranthes tuberosa Raf.	little lady's tresses
Spiranthes vernalis Engelm. & A. Gray	spring lady's tresses
Spirodela polyrhiza (L.) Schleid.	Common Duckmeat
Sporobolus airoides (Torr.) Torr.	Alkali Sacaton
Sporobolus alterniflorus (Loisel.) P.M.Peterson & Saarela	Smooth Cordgrass
Sporobolus arcuatus (K.E.Rogers) P.M.Peterson	Cumberland Sandreed
Sporobolus arenicola P.M.Peterson	Giant Sandreed
Sporobolus buckleyi Vasey	Buckley's dropseed
Sporobolus clandestinus (Biehler) Hitchc.	rough dropseed
Sporobolus compositus (Poir.) Merr.	Composite Dropseed
Sporobolus contractus Hitchc.	spike dropseed
Sporobolus cryptandrus (Torr.) A. Gray	sand dropseed
Sporobolus domingensis (Trin.) Kunth	coral dropseed
Sporobolus flexuosus (Thurb. ex Vasey) Rydb.	mesa dropseed
Sporobolus giganteus Nash	giant dropseed
Sporobolus heterolepis (A. Gray) A. Gray	Prairie Dropseed
Sporobolus indicus (L.) R. Br.	Small Smutgrass
Sporobolus junceus (P. Beauv.) Kunth	pineywoods dropseed
Sporobolus nealleyi Vasey	gyp dropseed
Sporobolus neglectus Nash	puffsheath dropseed
Sporobolus purpurascens (Sw.) Ham.	purple dropseed
Sporobolus pyramidatus (Lam.) Hitchc.	Madagascar Dropseed
Sporobolus silveanus Swallen	Silveus' dropseed
Sporobolus texanus Vasey	Texas dropseed
Sporobolus vaginiflorus (Torr. ex A. Gray) Alph. Wood	poverty dropseed
Sporobolus virginicus (L.) Kunth	seashore dropseed
Sporobolus wrightii Munro ex Scribn.	big sacaton
Stachys aspera Michx.	Hyssopleaf Hedgenettle
Stachys crenata Raf.	mousesear
Stachys drummondii Benth.	Drummond's hedgenettle
Stachys floridana Shuttlw. ex Benth.	Florida Hedgenettle
Stachys germanica L.	German Hedgenettle
Stachys pilosa Nutt.	hairy hedgenettle
Stachys rothrockii A. Gray	Rothrock's Hedgenettle
Stachys tenuifolia Willd.	smooth hedgenettle
Stanleya albescens M.E. Jones	White Princesplume
Stanleya pinnata (Pursh) Britton	desert princesplume
Stanleya tomentosa Parry	Woolly Princesplume
Stanleya viridiflora Nutt.	Green Princesplume
Staphylea trifolia L.	American bladdernut
Steinchisma hians (Elliott) Nash	gaping grass
Stellaria americana (Porter ex B.L. Rob.) Standl.	American Chickweed
Stellaria borealis Bigelow	boreal starwort
Stellaria calycantha (Ledeb.) Bong.	northern starwort
Stellaria crassifolia Ehrh.	fleshy starwort
Stellaria crispa Cham. & Schltdl.	curled starwort
Stellaria cuspidata Willd. ex Schltdl.	Mexican starwort
Stellaria graminea L.	grass-like starwort
Stellaria irrigua Bunge	Colorado Starwort
Stellaria longifolia Muhl. ex Willd.	longleaf starwort
Stellaria longipes Goldie	longstalk starwort
Stellaria media (L.) Vill.	common chickweed
Stellaria obtusa Engelm.	Rocky Mountain chickweed
Stellaria parva Pedersen	pygmy starwort
Stellaria pubera Michx.	Star Chickweed
Stellaria umbellata Turcz. ex Kar. & Kir.	umbrella starwort
Stemodia lanata Sessé & Moc. ex Benth.	gray-woolly twintip
Stemodia schottii Holz.	Rio Grande twintip
Stenandrium barbatum Torr. & A. Gray	early shaggytuft
Stenandrium dulce (Cav.) Nees	sweet shaggytuft
Stenanthium gramineum (Ker Gawl.) Morong	eastern featherbells
Stenaria nigricans (Lam.) Terrell	Diamond-flowers
Stenaria rupicola (Greenm.) Terrell	smallflower starviolet
Stenogonum salsuginosum Nutt.	Salty Buckwheat
Stenotaphrum secundatum (Walter) Kuntze	St. Augustine Grass
Stenotus acaulis (Nutt.) Nutt.	Stemless Mock Goldenweed
Stenotus armerioides Nutt.	thrift mock goldenweed
Stenotus lanuginosus (A. Gray) Greene	woolly mock goldenweed
Stephanomeria exigua Nutt.	Small Wirelettuce
Stephanomeria pauciflora (Torr.) A. Nelson	brownplume wirelettuce
Stephanomeria runcinata Nutt.	Desert Wirelettuce
Stephanomeria tenuifolia (Torr.) H.M.Hall	Lesser Wirelettuce
Stephanomeria thurberi A. Gray	Thurber's wirelettuce
Stevia serrata Cav.	sawtooth candyleaf
Stillingia linearifolia S. Watson	queen's-root
Stillingia sylvatica L.	queen's-delight
Stillingia texana I.M. Johnst.	Texas toothleaf
Stillingia treculiana (Müll. Arg.) I.M. Johnst.	Trecul's toothleaf
Streptanthella longirostris (S. Watson) Rydb.	longbeak streptanthella
Streptanthus bracteatus A. Gray	Bracted Jewelflower
Streptanthus carinatus C. Wright ex A. Gray	lyreleaf jewelflower
Streptanthus cordatus Nutt.	Heartleaf Twistflower
Streptanthus hyacinthoides Hook.	Smooth Jewelflower
Streptanthus petiolaris A.Gray	Brazos Rockcress
Streptanthus platycarpus A. Gray	broadpod jewelflower
Streptopus amplexifolius (L.) DC.	claspleaf twistedstalk
Streptopus lanceolatus (Aiton) Reveal	twistedstalk
Strophostyles helvola (L.) Elliott	Amberique-Bean
Strophostyles leiosperma (Torr. & A. Gray) Piper	Slickseed Fuzzybean
Strophostyles umbellata (Muhl. ex Willd.) Britton	pink fuzzybean
Stuckenia filiformis (Pers.) Börner	Fineleaf Pondweed
Stuckenia pectinata (L.) Börner	Sago Pondweed
Stuckenia striata (Ruiz & Pav.) Holub	broadleaf pondweed
Stuckenia vaginata (Turcz.) Holub	Sheathed Pondweed
Stylisma aquatica (Walter) Raf.	water dawnflower
Stylisma humistrata (Walter) Chapm.	southern dawnflower
Stylisma pickeringii (Torr. ex M.A. Curtis) A. Gray	Pickering's dawnflower
Stylisma villosa (Nash) House	hairy dawnflower
Stylocline micropoides A. Gray	woollyhead neststraw
Stylophorum diphyllum (Michx.) Nutt.	Celandine Poppy	✓
Stylosanthes biflora "(L.) Britton	sidebeak pencilflower
Stylosanthes viscosa (L.) Sw.	poorman's friend
Styphnolobium affine (Torr. & A. Gray) Walp.	Eve's necklacepod
Styrax americanus Lam.	American Snowbell
Styrax grandifolius Aiton	bigleaf snowbell
Styrax platanifolius Engelm.	sycamoreleaf snowbell
Suaeda calceoliformis (Hook.) Moq.	Pursh Seepweed
Suaeda conferta (Small) I.M. Johnst.	beach seepweed
Suaeda linearis (Elliott) Moq.	annual seepweed
Suaeda nigra (Raf.) J.F.Macbr.	Mojave Seablite
Suaeda tampicensis (Standl.) Standl.	coastal seepweed
Subularia aquatica L.	waterawlwort
Suckleya suckleyana (Torr.) Rydb.	poison suckleya
Suksdorfia violacea A. Gray	violet suksdorfia
Sullivantia hapemanii (J.M. Coult. & Fisher) J.M. Coult.	Hapeman's Coolwort
Sullivantia sullivantii (Torr. & A. Gray) Britton	Sullivant's Coolwort
Swertia perennis L.	felwort
Symphoricarpos albus (L.) S.F. Blake	Common Snowberry
Symphoricarpos longiflorus A. Gray	desert snowberry
Symphoricarpos occidentalis Hook.	Western Snowberry
Symphoricarpos orbiculatus Moench	Coralberry
Symphoricarpos oreophilus A. Gray	mountain snowberry
Symphoricarpos rotundifolius A. Gray	roundleaf snowberry
Symphyotrichum anomalum (Engelm.) G.L. Nesom	Manyray Aster
Symphyotrichum ascendens (Lindl.) G.L. Nesom	Western Aster
Symphyotrichum boreale (Torr. & A. Gray) Á. Löve & D. Löve	northern bog aster
Symphyotrichum campestre (Nutt.) G.L. Nesom	western meadow aster
Symphyotrichum ciliatum (Ledeb.) G.L. Nesom	Rayless Alkali Aster
Symphyotrichum ciliolatum (Lindl.) Á. Löve & D. Löve	Lindley's aster
Symphyotrichum cordifolium (L.) G.L. Nesom	Common Blue Wood Aster
Symphyotrichum divaricatum (Nutt.) G.L. Nesom	Southern Annual Saltmarsh Aster
Symphyotrichum drummondii (Lindl.) G.L. Nesom	Drummond's aster
Symphyotrichum dumosum (L.) G.L. Nesom	Rice Button Aster
Symphyotrichum eatonii (A. Gray) G.L. Nesom	Eaton's aster
Symphyotrichum elliottii (Torr. & A. Gray) G.L. Nesom	Marsh American-Aster
Symphyotrichum ericoides (L.) G.L. Nesom	White Heath Aster
Symphyotrichum eulae (Shinners) G.L. Nesom	Texas aster
Symphyotrichum expansum (Poepp. ex Spreng.) G.L. Nesom	southwestern annual saltmarsh aster
Symphyotrichum falcatum (Lindl.) G.L. Nesom	white prairie aster
Symphyotrichum fendleri (A. Gray) G.L. Nesom	Fendler's Aster
Symphyotrichum foliaceum (Lindl. ex DC.) G.L. Nesom	alpine leafybract aster
Symphyotrichum frondosum (Nutt.) G.L. Nesom	short-rayed alkali aster
Symphyotrichum hendersonii (Fernald) G.L. Nesom	Lyall Aster
Symphyotrichum laeve (L.) Á. Löve & D. Löve	Smooth Blue Aster
Symphyotrichum lanceolatum (Willd.) G.L. Nesom	White Panicled Aster
Symphyotrichum lateriflorum (L.) Á. Löve & D. Löve	Calico Aster
Symphyotrichum molle (Rydb.) G.L. Nesom	Soft Aster
Symphyotrichum novae-angliae (L.) G.L. Nesom	New England Aster	✓
Symphyotrichum oblongifolium (Nutt.) G.L. Nesom	Aromatic Aster
Symphyotrichum ontarionis (Wiegand) G.L. Nesom	bottomland aster
Symphyotrichum oolentangiense (Riddell) G.L. Nesom	skyblue aster
Symphyotrichum parviceps (Burgess) G.L. Nesom	Smallhead Aster
Symphyotrichum patens (Aiton) G.L. Nesom	Late Purple Aster
Symphyotrichum pilosum (Willd.) G.L. Nesom	Frost Aster
Symphyotrichum porteri (A. Gray) G.L. Nesom	Smooth White Aster
Symphyotrichum praealtum (Poir.) G.L. Nesom	willowleaf aster
Symphyotrichum pratense (Raf.) G.L. Nesom	Barrens Silky Aster
Symphyotrichum prenanthoides (Muhl. ex Willd.) G.L. Nesom	Crookedstem Aster
Symphyotrichum puniceum (L.) Á. Löve & D. Löve	Purplestem aster
Symphyotrichum racemosum (Elliott) G.L. Nesom	Smooth White Oldfield Aster
Symphyotrichum robynsianum (Rouss.) L. Brouillet & Labrecque	longleaf aster
Symphyotrichum sericeum (Vent.) G.L. Nesom	silky aster
Symphyotrichum shortii (Lindl.) G.L. Nesom	Short's Aster
Symphyotrichum spathulatum (Lindl.) G.L. Nesom	western mountain aster
Symphyotrichum squamatum (Spreng.) G.L. Nesom	southeastern annual saltmarsh aster
Symphyotrichum subspicatum (Nees) G.L. Nesom	Douglas aster
Symphyotrichum subulatum (Michx.) G.L. Nesom	Eastern Annual Saltmarsh Aster
Symphyotrichum tenuifolium (L.) G.L. Nesom	perennial saltmarsh aster
Symphyotrichum turbinellum (Lindl.) G.L. Nesom	Smooth Violet Prairie Aster
Symphyotrichum urophyllum (Lindl.) G.L. Nesom	White Arrowleaf Aster
Symphytum asperum Lepechin	prickly comfrey
Symphytum officinale L.	common comfrey
Symplocarpus foetidus (L.) Salisb. ex W.P.C. Barton	Eastern Skunk Cabbage
Symplocos tinctoria (L.) L'Hér.	Common Sweetleaf
Syngonium podophyllum Schott	American evergreen
Synthlipsis greggii A. Gray	Gregg's keelpod
Synthyris pinnatifida S. Watson	featherleaf kittentails
Syringa reticulata (Blume) H. Hara	Japanese tree lilac
Syringa villosa Vahl	Villous Lilac
Syringa vulgaris L.	common lilac
Taeniatherum caput-medusae (L.) Nevski	Medusahead
Taenidia integerrima (L.) Drude	yellow pimpernel
Tagetes erecta L.	Aztec marigold
Tagetes micrantha Cav.	licorice marigold
Tagetes patula L.	French marigold
Talinum paniculatum (Jacq.) Gaertn.	Jewels of Opar
Tamarix aphylla (L.) Karst.	Athel tamarisk
Tamarix canariensis Willd.	Canary Island tamarisk
Tamarix chinensis Lour.	Five-stamen Tamarisk
Tamarix gallica L.	French tamarisk
Tamarix parviflora DC.	smallflower tamarisk
Tamaulipa azurea (DC.) R.M. King & H. Rob.	blue boneset
Tanacetum balsamita L.	costmary
Tanacetum parthenium (L.) Sch. Bip.	feverfew
Tanacetum vulgare L.	common tansy
Taraxacum eriophorum Rydb.	woolbearing dandelion
Taraxacum officinale F.H. Wigg.	common dandelion
Taraxia breviflora (Torr. & A.Gray) Nutt. ex Small	Fewflower Evening Primrose
Taraxia subacaulis (Pursh) Rydb.	Diffuseflower Evening Primrose
Taraxia tanacetifolia (Torr. & A.Gray) Piper	Tansyleaf Evening Primrose
Tauschia texana A. Gray	Texas umbrellawort
Taxodium ascendens Brongn.	Pond Cypress
Taxodium distichum (L.) Rich.	Bald Cypress
Taxus brevifolia Nutt.	Pacific Yew
Taxus canadensis Marshall	Canada Yew
Tecoma stans (L.) Juss. ex Kunth	yellow trumpetbush
Tectaria heracleifolia (Willd.) Underw.	broad halberd fern
Telesonix heucheriformis Rydb.	Alumroot Brookfoam
Telesonix jamesii (Torr.) Raf.	James' Telesonix
Tephroseris lindstroemii (Ostenf.) Á. Löve & D. Löve	Fuscate Groundsel
Tephroseris palustris (L.) Schrenk ex Rchb.	Marsh Fleabane
Tephrosia lindheimeri A. Gray	Lindheimer's hoarypea
Tephrosia onobrychoides Nutt.	multibloom hoarypea
Tephrosia potosina Brandegee	Edwards Plateau Hoarypea
Tephrosia spicata (Walter) Torr. & A. Gray	spiked hoarypea
Tephrosia vicioides Schtdl.	red hoarypea
Tephrosia virginiana (L.) Pers.	Virginia tephrosia
Tetraclea coulteri A. Gray	Coulter's wrinklefruit
Tetradymia canescens DC.	spineless horsebrush
Tetradymia filifolia Greene	threadleaf horsebrush
Tetradymia spinosa Hook. & Arn.	Shortspine Horsebrush
Tetragonotheca ludoviciana (Torr. & A. Gray) A. Gray ex H.M. Hall	Louisiana Nerveray
Tetragonotheca repanda (Buckley) Small	showy nerveray
Tetragonotheca texana Engelm. & A. Gray ex A. Gray	squarebud daisy
Tetramerium nervosum Nees	hairy fournwort
Tetraneuris acaulis (Pursh) Greene	stemless four-nerve daisy
Tetraneuris argentea (A. Gray) Greene	perkysue
Tetraneuris ivesiana Greene	Ives' Fournerved Daisy
Tetraneuris linearifolia (Hook.) Greene	fineleaf fournerved daisy
Tetraneuris scaposa (DC.) Greene	stemmy four-nerve daisy
Tetraneuris torreyana (Nutt.) Greene	Torrey's Four-Nerve Daisy
Tetraneuris turneri (K.F. Parker) K.F. Parker	Turner's four-nerve daisy
Teucrium canadense L.	Canada germander
Teucrium cubense Jacq.	small coastal germander
Teucrium laciniatum Torr.	lacy germander
Thalassia testudinum Banks & Sol. ex Koenig	turtlegrass
Thalia dealbata Fraser ex Roscoe	powdery alligator-flag
Thalictrum alpinum L.	Alpine Meadow-Rue
Thalictrum arkansanum B. Boivin	Arkansas Meadow-Rue
Thalictrum dasycarpum Fisch. & Avé-Lall.	Purple Meadow-rue
Thalictrum dioicum L.	Early Meadow-Rue
Thalictrum fendleri Engelm. ex A. Gray	Fendler's meadow-rue
Thalictrum nigromontanum B. Boivin	Black Hills Meadow-Rue
Thalictrum occidentale A. Gray	western meadow-rue
Thalictrum revolutum DC.	Waxyleaf Meadow-Rue
Thalictrum sparsiflorum Turcz. ex Fisch. & C.A. Mey.	Fewflower Meadow-Rue
Thalictrum texanum (A. Gray) Small	Houston meadow-rue
Thalictrum thalictroides (L.) Eames & B. Boivin	Rue Anemone
Thalictrum venulosum Trel.	Veiny Meadow-Rue
Thamnosma texana (A. Gray) Torr.	rue of the mountains
Thaspium barbinode (Michx.) Nutt.	Hairy-jointed Medow-Parsnip
Thaspium trifoliatum (L.) A. Gray	Meadow Parsnip
Thelesperma ambiguum A. Gray	Colorado greenthread
Thelesperma burridgeanum (Regel, Korn. & Rach.) S.F. Blake	Burridge's Greenthread
Thelesperma filifolium (Hook.) A. Gray	stiff greenthread
Thelesperma flavodiscum (Shinners) B.L. Turner	East Texas Greenthread
Thelesperma longipes A. Gray	longstalk greenthread
Thelesperma megapotamicum (Spreng.) Kuntze	Hopi Tea Greenthread
Thelesperma nuecense B.L. Turner	Rio Grande greenthread
Thelesperma simplicifolium A. Gray	slender greenthread
Thelesperma subnudum A. Gray	Navajo tea
Thelocactus bicolor (Galeotti ex N.E. Pfeiffer) Britton & Rose	glory of Texas
Thelypodiopsis elegans (M.E. Jones) Rydb.	Westwater Tumblemustard
Thelypodiopsis purpusii (Brandegee) Rollins	Purpus' tumblemustard
Thelypodiopsis shinnersii (M.C. Johnst.) Rollins	Rio Grande tumblemustard
Thelypodiopsis vaseyi (S. Watson ex B.L. Rob.) Rollins	Las Vegas tumblemustard
Thelypodium integrifolium (Nutt.) Endl. ex Walp.	entireleaved thelypody
Thelypodium laxiflorum Al-Shehbaz	Droopflower Thelypody
Thelypodium paniculatum A. Nelson	Northwestern Thelypody
Thelypodium sagittatum (Nutt. ex Torr. & A. Gray) Endl. ex Walp.	Arrow Thelypody
Thelypodium texanum (Cory) Rollins	Texas thelypody
Thelypodium wrightii A. Gray	Wright's thelypody
Thelypteris palustris Schott	eastern marsh fern
Themeda quadrivalvis (L.) Kuntze	Kangaroo Grass
Themeda triandra Forssk.	Kangaroo Grass
Thermopsis montana Nutt.	Mountain Goldenbanner
Thermopsis rhombifolia (Nutt. ex Pursh) Nutt. ex Richardson	prairie thermopsis
Thermopsis rhombifolia var. divaricarpa (A.Nelson) Isely	Spreadfruit Goldenbanner
Thesium arvense Horv.	thesium
Thevetia peruviana (Pers.) K. Schum.	luckynut
Thinopyrum intermedium (Host) Barkworth & D.R. Dewey	intermediate wheatgrass
Thinopyrum ponticum (Podp.) Z.-W. Liu & R.-C. Wang	tall wheatgrass
Thlaspi arvense L.	field pennycress
Thuja occidentalis L.	Northern White-Cedar	✓
Thuja plicata Donn ex D. Don	Western Redcedar
Thunbergia alata Bojer ex Sims	blackeyed Susan vine
Thurovia triflora Rose	threeflower snakeweed
Thymelaea passerina (L.) Coss. & Germ.	Mezereon
Thymophylla acerosa (DC.) Strother	pricklyleaf dogweed
Thymophylla aurea (A. Gray) Greene ex Britton	manyawn pricklyleaf
Thymophylla micropoides (DC.) Strother	woolly pricklyleaf
Thymophylla pentachaeta (DC.) Small	fiveneedle pricklyleaf
Thymophylla setifolia Lag.	Texas pricklyleaf
Thymophylla tenuiloba (DC.) Small	bristleleaf pricklyleaf
Thymophylla tephroleuca (S.F. Blake) Strother	ashy pricklyleaf
Thymus pulegioides L.	lemon thyme
Thyrsanthella difformis (Walter) Pichon	Climbing Dogbane
Thysanocarpus curvipes Hook.	sand fringepod
Tiarella trifoliata L.	threeleaf foamflower
Tidestromia lanuginosa (Nutt.) Standl.	Woolly Tidestromia
Tidestromia suffruticosa (Torr.) Standl.	shrubby honeysweet
Tiedemannia filiformis (Walter) Feist & S.R.Downie	Water Cowbane
Tilia americana L.	American Basswood
Tilia cordata Mill.	Littleleaf Linden
Tillandsia baileyi Rose ex Small	reflexed airplant
Tillandsia recurvata (L.) L.	small ballmoss
Tillandsia usneoides (L.) L.	Spanish moss
Tinantia anomala (Torr.) C.B. Clarke	widowstears
Tipularia discolor (Pursh) Nutt.	crippled cranefly
Tiquilia canescens (DC.) A.T. Richardson	woody crinklemat
Tiquilia greggii (Torr. & A. Gray) A.T. Richardson	plumed crinklemat
Tiquilia hispidissima (Torr. & A. Gray) A.T. Richardson	hairy crinklemat
Tiquilia mexicana (S. Watson) A.T. Richardson	Mexican crinklemat
Tofieldia pusilla (Michx.) Pers.	Scotch false asphodel
Tomostima reptans (Lam.) Al-Shehbaz, M.Koch & Jordon-Thaden	Carolina Draba
Tonestus lyallii (A. Gray) A. Nelson	Lyall's goldenweed
Tonestus pygmaeus (Torr. & A. Gray) A. Nelson	pygmy goldenweed
Torilis arvensis (Huds.) Link	spreading hedgeparsley
Torilis japonica (Houtt.) DC.	erect hedgeparsley
Torilis nodosa (L.) Gaertn.	knotted hedgeparsley
Torreyochloa pallida (Torr.) Church	Pale False Mannagrass
Tournefortia hirsutissima L.	chiggery grapes
Tournefortia volubilis L.	twining soldierbush
Townsendia annua Beaman	annual Townsend daisy
Townsendia condensata Parry ex A. Gray	Cushion Townsend Daisy
Townsendia eximia A. Gray	tall Townsend daisy
Townsendia exscapa (Richardson) Porter	stemless Townsend daisy
Townsendia fendleri A. Gray	Fendler's Townsend Daisy
Townsendia formosa Greene	Smooth Townsend Daisy
Townsendia grandiflora Nutt.	Largeflower Townsend Daisy
Townsendia hookeri Beaman	Hooker's Townsend daisy
Townsendia incana Nutt.	Hoary Townsend Daisy
Townsendia parryi D.C. Eaton	Parry's Townsend daisy
Townsendia spathulata Nutt.	Sword Townsend Daisy
Townsendia texensis Larsen	Texas Townsend Daisy
Toxicodendron pubescens Mill.	Atlantic Poison Oak
Toxicodendron radicans (L.) Kuntze	Eastern Poison Ivy
Toxicodendron rydbergii (Small ex Rydb.) Greene	Western Poison Ivy
Toxicodendron vernix (L.) Kuntze	Poison Sumac
Toxicoscordion nuttallii (A.Gray) Rydb.	Nuttall's Deathcamas
Toxicoscordion paniculatum (Nutt.) Rydb.	Foothill Deathcamas
Toxicoscordion venenosum (S.Watson) Rydb.	Meadow Deathcamas
Trachelospermum jasminoides (Lindl.) Lem.	confederate jasmine
Trachypogon spicatus (L. f.) Kuntze	spiked crinkleawn
Tradescantia bracteata Small	longbract spiderwort
Tradescantia brevifolia (Torr.) Rose	Trans-Pecos spiderwort
Tradescantia buckleyi (I.M. Johnst.) D.R. Hunt	Buckley's spiderwort
Tradescantia edwardsiana Tharp	Plateau Spiderwort
Tradescantia ernestiana E.S. Anderson & Woodson	Ernest's Spiderwort
Tradescantia fluminensis Vell.	Small-Leaf Spiderwort
Tradescantia gigantea Rose	Giant Spiderwort
Tradescantia hirsuticaulis Small	Hairystem Spiderwort
Tradescantia hirsutiflora Bush	Hairyflower Spiderwort
Tradescantia humilis Rose	Texas spiderwort
Tradescantia leiandra Torr.	canyon spiderwort
Tradescantia occidentalis (Britton) Smyth	Prairie Spiderwort
Tradescantia ohiensis Raf.	bluejacket
Tradescantia ozarkana E.S. Anderson & Woodson	Ozark Spiderwort
Tradescantia pallida (Rose) D.R. Hunt	Purple Queen
Tradescantia paludosa E.S. Anderson & Woodson	confederate spiderwort
Tradescantia pedicellata Celarier	Edwards Plateau Spiderwort
Tradescantia pinetorum Greene	pinewoods spiderwort
Tradescantia reverchonii Bush	Reverchon's spiderwort
Tradescantia spathacea Sw.	boatlily
Tradescantia subacaulis Bush	Stemless Spiderwort
Tradescantia subaspera Ker Gawl.	zigzag spiderwort
Tradescantia tharpii E.S. Anderson & Woodson	Tharp's Spiderwort
Tradescantia virginiana L.	Virginia Spiderwort
Tradescantia wrightii Rose & Bush	Wright's spiderwort
Tragia amblyodonta (Müll. Arg.) Pax & K. Hoffm.	dogtooth noseburn
Tragia betonicifolia Nutt.	betonyleaf noseburn
Tragia brevispica Engelm. & A. Gray	shortspike noseburn
Tragia cordata Michx.	Heartleaf Noseburn
Tragia glanduligera Pax & K. Hoffm.	brush noseburn
Tragia leptophylla (Torr.) I.M. Johnst.	Fineleaf Noseburn
Tragia nepetifolia Cav.	catnip noseburn
Tragia nigricans Bush	Dark Noseburn
Tragia ramosa Torr.	branched noseburn
Tragia smallii Shinners	Small's noseburn
Tragia urticifolia Michx.	nettleleaf noseburn
Tragopogon dubius Scop.	yellow salsify
Tragopogon mirus Ownbey	remarkable goatsbeard
Tragopogon miscellus Ownbey	Moscow salsify
Tragopogon porrifolius L.	salsify
Tragopogon pratensis L.	Jack-go-to-bed-at-noon
Tragus berteronianus Schult.	spiked bur grass
Trautvetteria caroliniensis (Walter) Vail	Carolina Bugbane
Trepocarpus aethusae Nutt. ex DC.	whitenymph
Triadenum virginicum (L.) Raf.	Virginia Marsh St. Johnswort
Triadica sebifera (L.) Small	Chinese Tallow
Triantha glutinosa (Michx.) Baker	sticky tofieldia
Triantha occidentalis (S. Watson) Gates	western false asphodel
Triantha racemosa (Walter) Small	Coastal False Asphodel
Trianthema portulacastrum L.	desert horsepurslane
Tribulus terrestris L.	puncturevine
Trichocoronis wrightii (Torr. & A. Gray) A. Gray	limestone bugheal
Trichoneura elegans Swallen	Silveus' grass
Trichophorum alpinum (L.) Pers.	alpine bulrush

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