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
Wildflowers make up the largest share of the native list (60%), followed by grasses and grass-like plants (17%).
The native plant list
Garden-ready natives 112
Native species with PLANTS growing records (height, light, moisture, minimum temperature). “—” means PLANTS has no value.
| Plant | Type | Height | Light | Water use | Hardy 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 |
No garden-ready natives match these filters. Try clearing one.
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.
Hidden while “Garden-ready only” is on.
- 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.
- common reedPhragmites australis
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.
| Measure | Caddo County | Typical county | Statewide |
|---|---|---|---|
| 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.
- Blaine County, OK 67 garden-ready
- Canadian County, OK 104 garden-ready
- Comanche County, OK 163 garden-ready
- Custer County, OK 93 garden-ready
- Grady County, OK 134 garden-ready
- Kiowa County, OK 69 garden-ready
- Washita County, OK 34 garden-ready
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