Native plants · Oklahoma

Native plants of Caddo County

298 plant species are recorded as native to Oklahoma in Kew’s World Checklist of Vascular Plants and USDA PLANTS, and recorded in Caddo County by USDA PLANTS. 112 of them have growing records you can filter by light, moisture, height and estimated cold hardiness. 1 more species is listed as both native and introduced and kept in a separate section.

County summary · USDA PLANTS and Kew WCVP

Caddo County, Oklahoma

Native species
298 Typical Oklahoma county: 203 (median of 77 counties)
Garden-ready natives
112 Typical Oklahoma county: 80
Share by type (all 298 native species)
Percent of the 298 native species in each growth type
Tree 12% (35)
Shrub 4% (11)
Wildflower (forb) 60% (178)
Grass or grass-like 17% (50)
Vine 4% (13)
Fern 4% (11)

Wildflowers make up the largest share of the native list (60%), followed by grasses and grass-like plants (17%).

Recorded native ranges can include long-established populations that spread from gardens; check your state’s native plant society list for local guidance. How native status is decided.

ZIP codes mainly in this county fall in USDA hardiness zone 7b (2023 map).

The native plant list

Cold hardiness is estimated from each plant’s PLANTS minimum temperature. How we estimate it.

Garden-ready natives 112

Native species with PLANTS growing records (height, light, moisture, minimum temperature). “—” means PLANTS has no value.

Garden-ready native plants of Caddo County, Oklahoma
PlantType HeightLight Water useHardy to
American elm Ulmus americana Tree 120 ft Sun–part shade High Zone 2b
black oak Quercus velutina Tree 80 ft Sun–part shade Medium Zone 4a
black walnut Juglans nigra Tree 100 ft Sun High Zone 4b
black willow Salix nigra Tree 100 ft Sun High Zone 1b
blackeyed Susan Rudbeckia hirta Wildflower (forb) 1 ft Sun Medium Zone 5a
blackjack oak Quercus marilandica Tree 25 ft Sun Low Zone 6a
blue grama Bouteloua gracilis Grass or grass-like 1 ft Sun Medium Zone 3a
blue mistflower Conoclinium coelestinum Wildflower (forb) 3.2 ft Shade-tolerant Medium Zone 6a
bluntleaf bedstraw Galium obtusum Wildflower (forb) 1.5 ft Shade-tolerant High Zone 4a
boxelder Acer negundo Tree 60 ft Shade-tolerant Medium Zone 2b
broom snakeweed Gutierrezia sarothrae Shrub 1.5 ft Sun Medium Zone 3b
buffalograss Bouteloua dactyloides Grass or grass-like 6 in Sun Medium Zone 3b
bur oak Quercus macrocarpa Tree 100 ft Sun–part shade Medium Zone 3b
burningbush Euonymus atropurpureus Tree 10 ft Shade-tolerant Low —
butterfly milkweed Asclepias tuberosa Wildflower (forb) 2 ft Sun Low Zone 4a
Canada germander Teucrium canadense Wildflower (forb) 3.3 ft Sun–part shade High Zone 3a
Canada wildrye Elymus canadensis Grass or grass-like 3 ft Shade-tolerant Medium Zone 3a
Canadian horseweed Conyza canadensis Wildflower (forb) 5 ft Sun Medium Zone 12b
cardinalflower Lobelia cardinalis Wildflower (forb) 5.9 ft Shade-tolerant Low Zone 4a
Carolina elephantsfoot Elephantopus carolinianus Wildflower (forb) 2.7 ft Sun Medium Zone 6a
Chickasaw plum Prunus angustifolia Tree 12 ft Sun Medium Zone 4b
chinquapin oak Quercus muehlenbergii Tree 70 ft Sun Medium Zone 4a
common buttonbush Cephalanthus occidentalis Tree 15 ft Shade-tolerant High Zone 4a
common hackberry Celtis occidentalis Tree 60 ft Shade-tolerant Low Zone 2b
common hoptree Ptelea trifoliata Tree 25 ft Sun–part shade High Zone 4a
common maidenhair Adiantum capillus-veneris Fern 1.7 ft Shade-tolerant High Zone 4a
composite dropseed Sporobolus compositus Grass or grass-like 3 ft Sun Low Zone 3b
coralberry Symphoricarpos orbiculatus Shrub 2 ft Sun–part shade High Zone 5a
cosmopolitan bulrush Bolboschoenus maritimus Grass or grass-like 3.2 ft Sun Medium Zone 5a
crested pricklypoppy Argemone polyanthemos Wildflower (forb) 3 ft Sun Low Zone 5a
cursed buttercup Ranunculus sceleratus Wildflower (forb) 2 ft Shade-tolerant High Zone 12b
cylinder jointtail grass Coelorachis cylindrica Grass or grass-like 3.2 ft Sun–part shade Low Zone 5a
deertongue Dichanthelium clandestinum Grass or grass-like 2 ft Sun Low Zone 4a
dotted blazing star Liatris punctata Wildflower (forb) 2 ft Sun Medium Zone 3a
dotted smartweed Polygonum punctatum Wildflower (forb) 3.2 ft Sun Medium Zone 10b
eastern gamagrass Tripsacum dactyloides Grass or grass-like 5 ft Sun High Zone 5a
eastern redbud Cercis canadensis Tree 30 ft Shade-tolerant Low Zone 4b
eastern redcedar Juniperus virginiana Tree 50 ft Sun–part shade Low Zone 3a
eastern woodland sedge Carex blanda Grass or grass-like 2 ft Shade-tolerant High Zone 4b
flowering dogwood Cornus florida Tree 30 ft Shade-tolerant Low Zone 4b
frost grape Vitis vulpina Vine 83 ft Sun–part shade Medium Zone 5a
giant goldenrod Solidago gigantea Wildflower (forb) 8.2 ft Sun–part shade Medium Zone 4a
golden crownbeard Verbesina encelioides Wildflower (forb) 2 ft Sun Medium Zone 5a
golden currant Ribes aureum Shrub 10 ft Sun–part shade Low Zone 3b
golden tickseed Coreopsis tinctoria Wildflower (forb) 3 ft Sun–part shade High Zone 12b
grassleaf rush Juncus marginatus Grass or grass-like 2 ft Sun–part shade Medium Zone 5a
graybark grape Vitis cinerea Vine 50 ft Sun–part shade Medium Zone 6b
hairy grama Bouteloua hirsuta Grass or grass-like 6 in Sun Low Zone 3b
Illinois bundleflower Desmanthus illinoensis Wildflower (forb) 3 ft Sun Medium Zone 5b
Indian blanket Gaillardia pulchella Wildflower (forb) 2 ft Sun Medium Zone 10b
Indian woodoats Chasmanthium latifolium Grass or grass-like 4.6 ft Shade-tolerant Medium Zone 4a
Indianhemp Apocynum cannabinum Wildflower (forb) 3.3 ft Sun–part shade High Zone 3a
Kentucky coffeetree Gymnocladus dioicus Tree 100 ft Sun Medium Zone 4a
leadplant Amorpha canescens Shrub 4 ft Shade-tolerant Low Zone 3b
little barley Hordeum pusillum Grass or grass-like 1.2 ft Sun Medium Zone 10b
little bluestem Schizachyrium scoparium Grass or grass-like 3 ft Sun Low Zone 3b
little walnut Juglans microcarpa Tree 20 ft Sun Medium Zone 7a
Maryland senna Senna marilandica Wildflower (forb) 6.6 ft Sun–part shade Low Zone 5b
Missouri gourd Cucurbita foetidissima Vine 1 ft Sun Low Zone 5a
narrowleaf blue-eyed grass Sisyrinchium angustifolium Wildflower (forb) 2 ft Sun–part shade Medium Zone 7a
New Jersey tea Ceanothus americanus Shrub 3 ft Shade-tolerant Low Zone 4b
nodding beggartick Bidens cernua Wildflower (forb) 3.2 ft Sun–part shade High Zone 12a
northern maidenhair Adiantum pedatum Fern 1.3 ft Shade-tolerant Medium Zone 3b
Ohio buckeye Aesculus glabra Tree 68 ft Shade-tolerant Medium Zone 4a
Osage-orange Maclura pomifera Tree 35 ft Sun Medium Zone 5a
partridge pea Chamaecrista fasciculata Wildflower (forb) 2.4 ft Shade-tolerant Medium Zone 7a
pecan Carya illinoinensis Tree 120 ft Sun High Zone 5a
Pennsylvania smartweed Polygonum pensylvanicum Wildflower (forb) 3.9 ft Sun Medium Zone 10b
Philadelphia fleabane Erigeron philadelphicus Wildflower (forb) 2.8 ft Sun–part shade Medium Zone 4b
post oak Quercus stellata Tree 60 ft Sun Medium Zone 4a
poverty rush Juncus tenuis Grass or grass-like 1.5 ft Sun–part shade Medium Zone 3b
prairie fleabane Erigeron strigosus Wildflower (forb) 3 ft Sun Medium Zone 4b
prairie Junegrass Koeleria macrantha Grass or grass-like 1.5 ft Shade-tolerant High Zone 3b
prairie wedgescale Sphenopholis obtusata Grass or grass-like 3.2 ft Sun–part shade Medium Zone 3a
pride of Ohio Dodecatheon meadia Wildflower (forb) 2 ft Shade-tolerant Medium Zone 3b
purple locoweed Oxytropis lambertii Wildflower (forb) 1.4 ft Sun Low Zone 3b
purple lovegrass Eragrostis spectabilis Grass or grass-like 11 in Sun Low Zone 3a
purple poppymallow Callirhoe involucrata Wildflower (forb) 1 ft Sun Medium Zone 3b
purple prairie clover Dalea purpurea Wildflower (forb) 3 ft Sun Medium Zone 3b
purple threeawn Aristida purpurea Grass or grass-like 1.4 ft Sun Low Zone 4a
purpletop tridens Tridens flavus Grass or grass-like 2.5 ft Sun Low Zone 5a
red mulberry Morus rubra Tree 70 ft Shade-tolerant Medium Zone 4a
rice cutgrass Leersia oryzoides Grass or grass-like 4.9 ft Sun High Zone 4a
riverbank grape Vitis riparia Vine 45 ft Sun–part shade Medium Zone 4a
roughleaf dogwood Cornus drummondii Tree 20 ft Sun–part shade Low Zone 4b
roundhead lespedeza Lespedeza capitata Wildflower (forb) 2.6 ft Sun Low Zone 4b
sand bluestem Andropogon hallii Grass or grass-like 6.1 ft Sun Medium Zone 3b
sand dropseed Sporobolus cryptandrus Grass or grass-like 3 ft Sun Low Zone 3b
sand lovegrass Eragrostis trichodes Grass or grass-like 3.5 ft Sun Medium Zone 5a
sanddune wallflower Erysimum capitatum Wildflower (forb) 2.5 ft Sun Medium Zone 4b
saw greenbrier Smilax bona-nox Vine 4 ft Shade-tolerant Medium Zone 5b
Shumard's oak Quercus shumardii Tree 100 ft Sun Medium Zone 5a
sideoats grama Bouteloua curtipendula Grass or grass-like 3 ft Sun Medium Zone 3a
silver maple Acer saccharinum Tree 90 ft Sun–part shade Medium Zone 2b
skunkbush sumac Rhus trilobata Shrub 4 ft Sun–part shade Low Zone 2a
slippery elm Ulmus rubra Tree 85 ft Shade-tolerant High Zone 3a
smallspike false nettle Boehmeria cylindrica Wildflower (forb) 3.9 ft Shade-tolerant Medium Zone 4a
smooth sumac Rhus glabra Tree 12 ft Sun Low Zone 4a
soapweed yucca Yucca glauca Shrub 1 ft Sun Low Zone 4b
spreading yellowcress Rorippa sinuata Wildflower (forb) 1 ft Sun Medium Zone 3b
stalkless yellowcress Rorippa sessiliflora Wildflower (forb) 1.5 ft Sun–part shade High Zone 12b
sugar maple Acer saccharum Tree 100 ft Shade-tolerant Medium Zone 2b
sugarberry Celtis laevigata Tree 80 ft Shade-tolerant High Zone 5a
sweet woodreed Cinna arundinacea Grass or grass-like 4.9 ft Shade-tolerant Low Zone 4a
switchgrass Panicum virgatum Grass or grass-like 5 ft Sun Medium Zone 3a
upright prairie coneflower Ratibida columnifera Wildflower (forb) 3.1 ft Sun Medium Zone 3a
Virginia wildrye Elymus virginicus Grass or grass-like 2.5 ft Shade-tolerant Medium Zone 4b
white prairie clover Dalea candida Wildflower (forb) 2 ft Sun–part shade Medium Zone 3b
white sagebrush Artemisia ludoviciana Wildflower (forb) 3 ft Sun Low Zone 4a
whitegrass Leersia virginica Grass or grass-like 3.9 ft Shade-tolerant Medium Zone 3a
wild bergamot Monarda fistulosa Wildflower (forb) 4.9 ft Sun–part shade High Zone 4a
woolly plantain Plantago patagonica Wildflower (forb) 6 in Sun Low Zone 12b

Other native species recorded here 186

PLANTS has no growing records for these, so light, moisture, height and zone filters cannot include them. Many are wild species seldom sold by nurseries.

  • American lopseed Phryma leptostachya
  • American star-thistle Centaurea americana
  • American wild carrot Daucus pusillus
  • annual buckwheat Eriogonum annuum
  • autumn coralroot Corallorhiza odontorhiza
  • azure blue sage Salvia azurea
  • Baldwin's ironweed Vernonia baldwinii
  • beaked cornsalad Valerianella radiata
  • bigbract verbena Verbena bracteata
  • blackseed plantain Plantago rugelii
  • blackstem spleenwort Asplenium resiliens
  • blue wild indigo Baptisia australis
  • bluejacket Tradescantia ohiensis
  • bluntlobe cliff fern Woodsia obtusa
  • bristly scaleseed Spermolepis echinata
  • camphorweed Heterotheca subaxillaris
  • Canadian blacksnakeroot Sanicula canadensis
  • Carolina anemone Anemone caroliniana
  • Carolina coralbead Cocculus carolinus
  • Carolina draba Draba reptans
  • Carolina geranium Geranium carolinianum
  • Carolina puccoon Lithospermum caroliniense
  • Carolina woollywhite Hymenopappus scabiosaeus
  • Carruth's sagewort Artemisia carruthii
  • catchfly prairie gentian Eustoma exaltatum
  • chickenthief Mentzelia oligosperma
  • churchmouse threeawn Aristida dichotoma
  • clammy groundcherry Physalis heterophylla
  • clasping milkweed Asclepias amplexicaulis
  • climbing false buckwheat Polygonum scandens
  • common moonseed Menispermum canadense
  • common yellow oxalis Oxalis stricta
  • Cuman ragweed Ambrosia psilostachya
  • curlytop knotweed Polygonum lapathifolium
  • curvepod fumewort Corydalis curvisiliqua
  • cusp dodder Cuscuta cuspidata
  • cutleaf evening primrose Oenothera laciniata
  • Dakota mock vervain Glandularia bipinnatifida
  • desert biscuitroot Lomatium foeniculaceum
  • diamond-flowers Stenaria nigricans
  • downy phlox Phlox pilosa
  • Drummond's aster Symphyotrichum drummondii
  • Drummond's false pennyroyal Hedeoma drummondii
  • dwarf chinquapin oak Quercus prinoides
  • dwarf hackberry Celtis pumila
  • ebony spleenwort Asplenium platyneuron
  • Emory's sedge Carex emoryi
  • Engelmann's daisy Engelmannia peristenia
  • eyebane Chamaesyce nutans
  • fall witchgrass Digitaria cognata
  • field pansy Viola bicolor
  • fire on the mountain Euphorbia cyathophora
  • fiveangled dodder Cuscuta pentagona
  • flowering spurge Euphorbia corollata
  • fourpoint evening primrose Oenothera rhombipetala
  • foxtail barley Hordeum jubatum
  • fragrant bedstraw Galium triflorum
  • fragrant sumac Rhus aromatica
  • Great Plains lady's tresses Spiranthes magnicamporum
  • great ragweed Ambrosia trifida
  • green antelopehorn Asclepias viridis
  • green dragon Arisaema dracontium
  • gum bully Sideroxylon lanuginosum
  • hairy fimbry Fimbristylis puberula
  • hairy lipfern Cheilanthes lanosa
  • hairy woodland brome Bromus pubescens
  • hairyfruit chervil Chaerophyllum tainturieri
  • heartleaf skullcap Scutellaria ovata
  • heartwing sorrel Rumex hastatulus
  • hoary verbena Verbena stricta
  • inflated narrow-leaf sedge Carex grisea
  • Juda's bush Iresine rhizomatosa
  • jumpseed Polygonum virginianum
  • lacy tansyaster Machaeranthera pinnatifida
  • lanceleaf blanketflower Gaillardia aestivalis
  • lanceleaf figwort Scrophularia lanceolata
  • lanceleaf fogfruit Phyla lanceolata
  • lanceleaf ragweed Ambrosia bidentata
  • large beardtongue Penstemon grandiflorus
  • largeflower tickseed Coreopsis grandiflora
  • lateflowering thoroughwort Eupatorium serotinum
  • licorice bedstraw Galium circaezans
  • longleaf groundcherry Physalis longifolia
  • longstyle sweetroot Osmorhiza longistylis
  • Louisiana vetch Vicia ludoviciana
  • maidenhair spleenwort Asplenium trichomanes
  • marsh bristlegrass Setaria parviflora
  • meadow garlic Allium canadense
  • Mexican plum Prunus mexicana
  • Michaux's stitchwort Minuartia michauxii
  • Missouri violet Viola missouriensis
  • narrowleaf four o'clock Mirabilis linearis
  • narrowleaf purple coneflower Echinacea angustifolia
  • narrowleaf stoneseed Lithospermum incisum
  • neckweed Veronica peregrina
  • northern bog violet Viola nephrophylla
  • northern dewberry Rubus flagellaris
  • northern slender lady's tresses Spiranthes lacera
  • Nuttall's prairie parsley Polytaenia nuttallii
  • Nuttall's sensitive-briar Mimosa nuttallii
  • Parlin's pussytoes Antennaria parlinii
  • pasture heliotrope Heliotropium tenellum
  • Pennsylvania pellitory Parietaria pensylvanica
  • pineland threeseed mercury Acalypha ostryifolia
  • pinkladies Oenothera speciosa
  • plains bluegrass Poa arida
  • pointedleaf ticktrefoil Desmodium glutinosum
  • poorjoe Diodia teres
  • prairie broomweed Amphiachyris dracunculoides
  • prairie groundsel Packera plattensis
  • prairie sandmat Chamaesyce missurica
  • prairie spiderwort Tradescantia occidentalis
  • prairie sunflower Helianthus petiolaris
  • purple cliffbrake Pellaea atropurpurea
  • purple meadow-rue Thalictrum dasycarpum
  • queen's-delight Stillingia sylvatica
  • red lovegrass Eragrostis secundiflora
  • Red River scaleseed Spermolepis inermis
  • redwhisker clammyweed Polanisia dodecandra
  • rough barnyardgrass Echinochloa muricata
  • rough false pennyroyal Hedeoma hispida
  • rush skeletonplant Lygodesmia juncea
  • rusty blackhaw Viburnum rufidulum
  • sand sagebrush Artemisia filifolia
  • sandhill amaranth Amaranthus arenicola
  • scarlet beeblossom Oenothera suffrutescens
  • sessileleaf ticktrefoil Desmodium sessilifolium
  • shaggy dwarf morning-glory Evolvulus nuttallianus
  • shortbeak sedge Carex brevior
  • shortpod draba Draba brachycarpa
  • shortstalk chickweed Cerastium brachypodum
  • showy evening primrose Oenothera grandis
  • sidebeak pencilflower Stylosanthes biflora
  • silkcotton purslane Portulaca halimoides
  • sixweeks fescue Vulpia octoflora
  • sixweeks threeawn Aristida adscensionis
  • sleepy silene Silene antirrhina
  • slender lipfern Cheilanthes feei
  • slender wedgescale Sphenopholis intermedia
  • slender yellow woodsorrel Oxalis dillenii
  • slickseed fuzzybean Strophostyles leiosperma
  • slimflower scurfpea Psoralidium tenuiflorum
  • slimleaf milkweed Asclepias stenophylla
  • slimpod Venus' looking-glass Triodanis leptocarpa
  • smallflower fumewort Corydalis micrantha
  • smooth cliffbrake Pellaea glabella
  • smooth Solomon's seal Polygonatum biflorum
  • soft-hair marbleseed Onosmodium bejariense
  • southern sedge Carex austrina
  • Spanish gold Grindelia papposa
  • spiked crested coralroot Hexalectris spicata
  • spotted beebalm Monarda punctata
  • spotted sandmat Chamaesyce maculata
  • spring coralroot Corallorhiza wisteriana
  • spring forget-me-not Myosotis verna
  • spring lady's tresses Spiranthes vernalis
  • stiffstem flax Linum rigidum
  • stretchberry Forestiera pubescens
  • tall lespedeza Lespedeza stuevei
  • tarragon Artemisia dracunculus
  • Texas bluegrass Poa arachnifera
  • Texas croton Croton texensis
  • Texas goldentop Euthamia gymnospermoides
  • Texas signalgrass Urochloa texana
  • Texas toadflax Nuttallanthus texanus
  • thin paspalum Paspalum setaceum
  • toothed spurge Euphorbia dentata
  • tumble windmill grass Chloris verticillata
  • velvetweed Oenothera curtiflora
  • violet woodsorrel Oxalis violacea
  • Virginia pepperweed Lepidium virginicum
  • Virginia plantain Plantago virginica
  • Virginia springbeauty Claytonia virginica
  • Virginia tephrosia Tephrosia virginiana
  • western horsenettle Solanum dimidiatum
  • western rockjasmine Androsace occidentalis
  • western tansymustard Descurainia pinnata
  • white four o'clock Mirabilis albida
  • white snakeroot Ageratina altissima
  • whitemouth dayflower Commelina erecta
  • whorled milkweed Asclepias verticillata
  • whorled milkwort Polygala verticillata
  • widowsfrill Silene stellata
  • winged pigweed Cycloloma atriplicifolium
  • witchgrass Panicum capillare
  • woolly lipfern Cheilanthes tomentosa
Also listed as native and introduced here 1

PLANTS labels these species both native and introduced in this state: some forms are native and others were brought in from elsewhere. Most gardeners should choose plants from the main list.

Compared with Oklahoma

The typical county is the median of the 77 Oklahoma counties with PLANTS county records; the statewide figure counts every species native anywhere in the state. More species is not better or worse: counties differ in size, habitat and how thoroughly they have been surveyed.

Native species counts, Caddo County and Oklahoma
MeasureCaddo CountyTypical countyStatewide
Native species 298 203 1,513
Garden-ready natives 112 80 535
Tree 35 — 130
Shrub 11 — 63
Wildflower (forb) 178 — 849
Grass or grass-like 50 — 341
Vine 13 — 85
Fern 11 — 45

Neighboring counties

Counties that share a ZIP code with Caddo County.

Look up another ZIP

Matches your ZIP to the county it mostly lies in, then lists the plants recorded as native to your state (Kew’s World Checklist and USDA PLANTS) and recorded in that county by USDA PLANTS.

Source & data date

Source
USDA NRCS PLANTS Database: county distribution records, native status and plant characteristics. CC0 (public domain dedication, per the data.gov catalog record).
Kew’s World Checklist of Vascular Plants (WCVP): native or introduced status by state. CC BY 3.0.
USGS US-RIIS (ver. 2.0): species listed as introduced are excluded. CC0.
Citation
USDA, NRCS. 2026. The PLANTS Database (https://plants.usda.gov, 11/04/2026). National Plant Data Team, Greensboro, NC USA.
Govaerts R. (ed.) (2026). WCVP: World Checklist of Vascular Plants. Facilitated by the Royal Botanic Gardens, Kew. Data file dated 2026-06-04, http://sftp.kew.org/pub/data-repositories/WCVP/ (retrieved 2026-11-04). Paper: Govaerts R. et al. (2021) The World Checklist of Vascular Plants, a continuously updated resource for exploring global plant diversity. Scientific Data 8, 215.
Data date
Retrieved from PLANTS on November 4, 2026; WCVP data file dated June 4, 2026.
Zones
USDA Plant Hardiness Zone Map (2023) ZIP table: PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed November 3, 2026. Plant zones on this site are our estimate, not the official map.
Scope
Caddo County (county FIPS 40015), Oklahoma. 298 native species from PLANTS county distribution records; garden-ready = species with a PLANTS characteristics record.
Method
A species is listed when it is recorded as native to the state in Kew’s World Checklist of Vascular Plants and USDA PLANTS, and recorded in the county by USDA PLANTS. Species PLANTS labels both native and introduced are listed separately. Full method · All sources

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