Native plants · State
Native plants of Oklahoma
1,513 species are recorded as native to Oklahoma in Kew’s World Checklist of Vascular Plants and USDA PLANTS and recorded in the state by USDA PLANTS, 535 of them with growing traits. County lists cover 77 of the state’s 77 counties; the typical county has 203.
State summary · USDA PLANTS and Kew WCVP
Oklahoma at a glance
- Native species statewide
- 1,513 Of 2,340 species Kew’s World Checklist records as native to Oklahoma (before this site’s scope)
- Garden-ready natives
- 535 With PLANTS growing records
- Typical county
- 203 Median native species per county; 80 garden-ready
- Share by type (all 1,513 native species)
-
Percent of the 1,513 native species in each growth type
Wildflowers: 849 · grasses and grass-like: 341 · trees: 130 · shrubs: 63 · vines: 85 · ferns: 45.
Native plants by county
Garden-ready natives of Oklahoma
Statewide list. A species native somewhere in Oklahoma may not be native in your county: use the county lists above to narrow it.
Tree 111
- alderleaf mountain mahogany Cercocarpus montanus
- American basswood Tilia americana
- American beech Fagus grandifolia
- American elm Ulmus americana
- American holly Ilex opaca
- American hornbeam Carpinus caroliniana
- American plum Prunus americana
- American snowbell Styrax americanus
- American sycamore Platanus occidentalis
- American witchhazel Hamamelis virginiana
- Arizona walnut Juglans major
- bald cypress Taxodium distichum
- bitternut hickory Carya cordiformis
- black cherry Prunus serotina
- black oak Quercus velutina
- black walnut Juglans nigra
- black willow Salix nigra
- blackgum Nyssa sylvatica
- blackhaw Viburnum prunifolium
- blackjack oak Quercus marilandica
- boxelder Acer negundo
- bur oak Quercus macrocarpa
- burningbush Euonymus atropurpureus
- Carolina buckthorn Frangula caroliniana
- cedar elm Ulmus crassifolia
- cherrybark oak Quercus pagoda
- Chickasaw plum Prunus angustifolia
- chinquapin oak Quercus muehlenbergii
- chokecherry Prunus virginiana
- coastal plain willow Salix caroliniana
- cockspur hawthorn Crataegus crus-galli
- common buttonbush Cephalanthus occidentalis
- common hackberry Celtis occidentalis
- common hoptree Ptelea trifoliata
- common persimmon Diospyros virginiana
- common serviceberry Amelanchier arborea
- common sweetleaf Symplocos tinctoria
- cucumber tree Magnolia acuminata
- devil's walkingstick Aralia spinosa
- dwarf palmetto Sabal minor
- eastern baccharis Baccharis halimifolia
- eastern cottonwood Populus deltoides
- eastern redbud Cercis canadensis
- eastern redcedar Juniperus virginiana
- eastern swampprivet Forestiera acuminata
- farkleberry Vaccinium arboreum
- flowering dogwood Cornus florida
- Gambel oak Quercus gambelii
- green ash Fraxinus pennsylvanica
- green hawthorn Crataegus viridis
- hazel alder Alnus serrulata
- honey mesquite Prosopis glandulosa
- honeylocust Gleditsia triacanthos
- hophornbeam Ostrya virginiana
- Kentucky coffeetree Gymnocladus dioicus
- Kentucky yellowwood Cladrastis kentukea
- little walnut Juglans microcarpa
- littleleaf sumac Rhus microphylla
- loblolly pine Pinus taeda
- mockernut hickory Carya tomentosa
- northern catalpa Catalpa speciosa
- northern red oak Quercus rubra
- northern spicebush Lindera benzoin
- nutmeg hickory Carya myristiciformis
- Ohio buckeye Aesculus glabra
- oneseed juniper Juniperus monosperma
- Osage-orange Maclura pomifera
- overcup oak Quercus lyrata
- parsley hawthorn Crataegus marshallii
- pawpaw Asimina triloba
- peachleaf willow Salix amygdaloides
- pecan Carya illinoinensis
- pin oak Quercus palustris
- planertree Planera aquatica
- possumhaw Ilex decidua
- post oak Quercus stellata
- prairie crab apple Malus ioensis
- red buckeye Aesculus pavia
- red maple Acer rubrum
- red mulberry Morus rubra
- river birch Betula nigra
- roughleaf dogwood Cornus drummondii
- sandbar willow Salix interior
- sassafras Sassafras albidum
- seaside alder Alnus maritima
- September elm Ulmus serotina
- shagbark hickory Carya ovata
- shellbark hickory Carya laciniosa
- shortleaf pine Pinus echinata
- Shumard's oak Quercus shumardii
- silver maple Acer saccharinum
- slippery elm Ulmus rubra
- smooth sumac Rhus glabra
- southern red oak Quercus falcata
- southern sugar maple Acer floridanum
- stiff dogwood Cornus foemina
- sugar maple Acer saccharum
- sugarberry Celtis laevigata
- sweetgum Liquidambar styraciflua
- twoneedle pinyon Pinus edulis
- umbrella-tree Magnolia tripetala
- water hickory Carya aquatica
- water oak Quercus nigra
- wax myrtle Morella cerifera
- white ash Fraxinus americana
- white fringetree Chionanthus virginicus
- white oak Quercus alba
- willow oak Quercus phellos
- winged elm Ulmus alata
- winged sumac Rhus copallinum
- yaupon Ilex vomitoria
Shrub 36
- Allegheny blackberry Rubus allegheniensis
- American beautyberry Callicarpa americana
- American hazelnut Corylus americana
- American red raspberry Rubus idaeus
- Apache plume Fallugia paradoxa
- black raspberry Rubus occidentalis
- broom snakeweed Gutierrezia sarothrae
- Carolina rose Rosa carolina
- common ninebark Physocarpus opulifolius
- coralberry Symphoricarpos orbiculatus
- deerberry Vaccinium stamineum
- downy arrowwood Viburnum rafinesqueanum
- featherplume Dalea formosa
- fourwing saltbush Atriplex canescens
- giant cane Arundinaria gigantea
- golden currant Ribes aureum
- leadplant Amorpha canescens
- maleberry Lyonia ligustrina
- mountain azalea Rhododendron canescens
- New Jersey tea Ceanothus americanus
- pale desert-thorn Lycium pallidum
- plains pricklypear Opuntia polyacantha
- prairie willow Salix humilis
- red chokeberry Aronia arbutifolia
- rubber rabbitbrush Ericameria nauseosa
- sawtooth blackberry Rubus argutus
- shrubby St. Johnswort Hypericum prolificum
- skunkbush sumac Rhus trilobata
- soapweed yucca Yucca glauca
- St. Peterswort Hypericum crux-andreae
- swamp azalea Rhododendron viscosum
- Virginia sweetspire Itea virginica
- wax currant Ribes cereum
- western snowberry Symphoricarpos occidentalis
- winterfat Krascheninnikovia lanata
- Woods' rose Rosa woodsii
Wildflower (forb) 190
- alkali buttercup Ranunculus cymbalaria
- American bellflower Campanulastrum americanum
- American bur-reed Sparganium americanum
- American licorice Glycyrrhiza lepidota
- American lotus Nelumbo lutea
- American pokeweed Phytolacca americana
- American speedwell Veronica americana
- American spongeplant Limnobium spongia
- American water horehound Lycopus americanus
- American water plantain Alisma subcordatum
- American water-willow Justicia americana
- arumleaf arrowhead Sagittaria cuneata
- Atlantic camas Camassia scilloides
- beaked agrimony Agrimonia rostellata
- blackeyed Susan Rudbeckia hirta
- blue mistflower Conoclinium coelestinum
- bluntleaf bedstraw Galium obtusum
- bog willowherb Epilobium leptophyllum
- bristly buttercup Ranunculus hispidus
- broadbeard beardtongue Penstemon angustifolius
- broadfruit bur-reed Sparganium eurycarpum
- broadleaf arrowhead Sagittaria latifolia
- broadleaf cattail Typha latifolia
- bulbous bittercress Cardamine bulbosa
- bursting-heart Euonymus americanus
- butterfly milkweed Asclepias tuberosa
- butterweed Packera glabella
- calico aster Symphyotrichum lateriflorum
- Canada germander Teucrium canadense
- Canada goldenrod Solidago altissima
- Canada goldenrod Solidago canadensis
- Canadian horseweed Conyza canadensis
- Canadian lousewort Pedicularis canadensis
- Canadian milkvetch Astragalus canadensis
- cardinalflower Lobelia cardinalis
- Carolina elephantsfoot Elephantopus carolinianus
- Carolina fanwort Cabomba caroliniana
- clasping coneflower Dracopis amplexicaulis
- common blue violet Viola sororia
- common duckweed Lemna minor
- common evening primrose Oenothera biennis
- common goldstar Hypoxis hirsuta
- common selfheal Prunella vulgaris
- common sneezeweed Helenium autumnale
- coon's tail Ceratophyllum demersum
- crested pricklypoppy Argemone polyanthemos
- crimsoneyed rosemallow Hibiscus moscheutos
- cup plant Silphium perfoliatum
- cursed buttercup Ranunculus sceleratus
- cutleaf coneflower Rudbeckia laciniata
- delta arrowhead Sagittaria platyphylla
- devil's beggartick Bidens frondosa
- disk waterhyssop Bacopa rotundifolia
- ditch stonecrop Penthorum sedoides
- dotted blazing star Liatris punctata
- dotted smartweed Polygonum punctatum
- downy paintedcup Castilleja sessiliflora
- dwarf St. Johnswort Hypericum mutilum
- eastern purple coneflower Echinacea purpurea
- false daisy Eclipta prostrata
- field pussytoes Antennaria neglecta
- foxglove beardtongue Penstemon digitalis
- fringeleaf wild petunia Ruellia humilis
- giant goldenrod Solidago gigantea
- golden crownbeard Verbesina encelioides
- golden ragwort Packera aurea
- golden tickseed Coreopsis tinctoria
- gray goldenrod Solidago nemoralis
- great coneflower Rudbeckia maxima
- green arrow arum Peltandra virginica
- green prairie coneflower Ratibida tagetes
- hairy lespedeza Lespedeza hirta
- hairy white oldfield aster Symphyotrichum pilosum
- halberdleaf rosemallow Hibiscus laevis
- harvestlice Agrimonia parviflora
- Hooker's evening primrose Oenothera elata
- Illinois bundleflower Desmanthus illinoensis
- Indian blanket Gaillardia pulchella
- Indianhemp Apocynum cannabinum
- Jack in the pulpit Arisaema triphyllum
- Jerusalem artichoke Helianthus tuberosus
- jewelweed Impatiens capensis
- lanceleaf loosestrife Lysimachia lanceolata
- lanceleaf tickseed Coreopsis lanceolata
- largeleaf pondweed Potamogeton amplifolius
- late purple aster Symphyotrichum patens
- leafy pondweed Potamogeton foliosus
- lemonscent Pectis angustifolia
- Lewis flax Linum lewisii
- limestone wild petunia Ruellia strepens
- littleleaf buttercup Ranunculus abortivus
- longleaf pondweed Potamogeton nodosus
- lyreleaf greeneyes Berlandiera lyrata
- marsh seedbox Ludwigia palustris
- Maryland senna Senna marilandica
- Mississippi buttercup Ranunculus laxicaulis
- Missouri goldenrod Solidago missouriensis
- Missouri ironweed Vernonia missurica
- narrowleaf blue-eyed grass Sisyrinchium angustifolium
- narrowleaf evening primrose Oenothera fruticosa
- nodding beggartick Bidens cernua
- nodding lady's tresses Spiranthes cernua
- Nuttall's povertyweed Monolepis nuttalliana
- Nuttall's sunflower Helianthus nuttallii
- orangegrass Hypericum gentianoides
- pale purple coneflower Echinacea pallida
- pale touch-me-not Impatiens pallida
- panicledleaf ticktrefoil Desmodium paniculatum
- partridge pea Chamaecrista fasciculata
- Pennsylvania bittercress Cardamine pensylvanica
- Pennsylvania smartweed Polygonum pensylvanicum
- perplexed ticktrefoil Desmodium perplexum
- Philadelphia fleabane Erigeron philadelphicus
- pickerelweed Pontederia cordata
- pinnate prairie coneflower Ratibida pinnata
- prairie blazing star Liatris pycnostachya
- prairie fleabane Erigeron strigosus
- pride of Ohio Dodecatheon meadia
- purple locoweed Oxytropis lambertii
- purple poppymallow Callirhoe involucrata
- purple prairie clover Dalea purpurea
- purplehead sneezeweed Helenium flexuosum
- purpleleaf willowherb Epilobium coloratum
- ridged yellow flax Linum striatum
- roadside agrimony Agrimonia striata
- Rocky Mountain beeplant Cleome serrulata
- roughfruit amaranth Amaranthus tuberculatus
- roundhead lespedeza Lespedeza capitata
- roundleaf goldenrod Solidago patula
- sago pondweed Stuckenia pectinata
- salt heliotrope Heliotropium curassavicum
- sanddune wallflower Erysimum capitatum
- sawtooth sunflower Helianthus grosseserratus
- scarlet gilia Ipomopsis aggregata
- scarlet globemallow Sphaeralcea coccinea
- scarlet Indian paintbrush Castilleja coccinea
- sharpwing monkeyflower Mimulus alatus
- showy milkweed Asclepias speciosa
- silvery lupine Lupinus argenteus
- small beggarticks Bidens discoidea
- smallspike false nettle Boehmeria cylindrica
- smooth hedgenettle Stachys tenuifolia
- smooth phlox Phlox glaberrima
- southern waternymph Najas guadalupensis
- spotted St. Johnswort Hypericum punctatum
- spreading alkaliweed Cressa truxillensis
- spreading yellowcress Rorippa sinuata
- spring avens Geum vernum
- spring spiderlily Hymenocallis liriosme
- stalkless yellowcress Rorippa sessiliflora
- stiff goldenrod Oligoneuron rigidum
- stiff marsh bedstraw Galium tinctorium
- swamp milkweed Asclepias incarnata
- swamp smartweed Polygonum hydropiperoides
- swamp sunflower Helianthus angustifolius
- sweetscent Pluchea odorata
- tanseyleaf tansyaster Machaeranthera tanacetifolia
- taperleaf water horehound Lycopus rubellus
- tenpetal blazingstar Mentzelia decapetala
- threelobe beggarticks Bidens tripartita
- threetooth ragwort Packera tridenticulata
- tiny mousetail Myosurus minimus
- trumpetweed Eutrochium fistulosum
- turkey tangle fogfruit Phyla nodiflora
- twoheaded water-starwort Callitriche heterophylla
- upright prairie coneflower Ratibida columnifera
- Utah sweetvetch Hedysarum boreale
- valdivia duckweed Lemna valdiviana
- valley redstem Ammannia coccinea
- Virginia dayflower Commelina virginica
- Virginia iris Iris virginica
- Virginia threeseed mercury Acalypha virginica
- Virginia water horehound Lycopus virginicus
- water knotweed Polygonum amphibium
- waterthread pondweed Potamogeton diversifolius
- white avens Geum canadense
- white doll's daisy Boltonia asteroides
- white panicle aster Symphyotrichum lanceolatum
- white prairie clover Dalea candida
- white sagebrush Artemisia ludoviciana
- wild bergamot Monarda fistulosa
- wild blue phlox Phlox divaricata
- wingleaf primrose-willow Ludwigia decurrens
- woolly locoweed Astragalus mollissimus
- woolly plantain Plantago patagonica
- wreath goldenrod Solidago caesia
- wrinkleleaf goldenrod Solidago rugosa
- yellow fumewort Corydalis flavula
- yellow waterlily Nymphaea mexicana
- yerba mansa Anemopsis californica
Grass or grass-like 164
- alkali sacaton Sporobolus airoides
- American cupscale Sacciolepis striata
- Arizona cottontop Digitaria californica
- Arizona threeawn Aristida arizonica
- autumn bluegrass Poa autumnalis
- awlfruit sedge Carex stipata
- beaked spikerush Eleocharis rostellata
- big bluestem Andropogon gerardii
- big sacaton Sporobolus wrightii
- black grama Bouteloua eriopoda
- blue grama Bouteloua gracilis
- blue wildrye Elymus glaucus
- blunt broom sedge Carex tribuloides
- blunt spikerush Eleocharis obtusa
- bristlystalked sedge Carex leptalea
- broadleaf rosette grass Dichanthelium latifolium
- broadleaf signalgrass Urochloa platyphylla
- broom sedge Carex scoparia
- broomsedge bluestem Andropogon virginicus
- buffalograss Bouteloua dactyloides
- bush muhly Muhlenbergia porteri
- Bush's sedge Carex bushii
- California bulrush Schoenoplectus californicus
- Canada wildrye Elymus canadensis
- cane bluestem Bothriochloa barbinodis
- Carolina foxtail Alopecurus carolinianus
- catchfly grass Leersia lenticularis
- cattail sedge Carex typhina
- cloaked bulrush Scirpus pallidus
- coast cockspur grass Echinochloa walteri
- common rush Juncus effusus
- common spikerush Eleocharis palustris
- common threesquare Schoenoplectus pungens
- composite dropseed Sporobolus compositus
- cosmopolitan bulrush Bolboschoenus maritimus
- cylinder jointtail grass Coelorachis cylindrica
- cypressknee sedge Carex decomposita
- deertongue Dichanthelium clandestinum
- eastern gamagrass Tripsacum dactyloides
- eastern narrowleaf sedge Carex amphibola
- eastern woodland sedge Carex blanda
- eggleaf rosette grass Dichanthelium ovale
- fall panicgrass Panicum dichotomiflorum
- field paspalum Paspalum laeve
- flatstem spikerush Eleocharis compressa
- fowl mannagrass Glyceria striata
- fox sedge Carex vulpinoidea
- fragrant flatsedge Cyperus odoratus
- Frank's sedge Carex frankii
- giant cutgrass Zizaniopsis miliacea
- grassleaf rush Juncus marginatus
- Gray's sedge Carex grayi
- greater bladder sedge Carex intumescens
- green bulrush Scirpus atrovirens
- green sprangletop Leptochloa dubia
- greenwhite sedge Carex albolutescens
- hairawn muhly Muhlenbergia capillaris
- hairy grama Bouteloua hirsuta
- hardstem bulrush Schoenoplectus acutus
- hop sedge Carex lupulina
- horsetail paspalum Paspalum fluitans
- Indian ricegrass Achnatherum hymenoides
- Indian woodoats Chasmanthium latifolium
- Indiangrass Sorghastrum nutans
- inland rush Juncus interior
- James' galleta Pleuraphis jamesii
- knotgrass Paspalum distichum
- lesser creeping rush Juncus repens
- limestone meadow sedge Carex granularis
- little barley Hordeum pusillum
- little bluestem Schizachyrium scoparium
- littleseed ricegrass Piptatheropsis micrantha
- longleaf woodoats Chasmanthium sessiliflorum
- longspike tridens Tridens strictus
- lopsided rush Juncus secundus
- Malabar sprangletop Leptochloa fusca
- manyspike flatsedge Cyperus polystachyos
- marsh flatsedge Cyperus pseudovegetus
- marsh muhly Muhlenbergia racemosa
- Mexican muhly Muhlenbergia mexicana
- Muskingum sedge Carex muskingumensis
- muttongrass Poa fendleriana
- needle and thread Hesperostipa comata
- needle spikerush Eleocharis acicularis
- needleleaf rosette grass Dichanthelium aciculare
- needlepod rush Juncus scirpoides
- nimblewill Muhlenbergia schreberi
- nodding fescue Festuca subverticillata
- oval-leaf sedge Carex cephalophora
- plains lovegrass Eragrostis intermedia
- plains muhly Muhlenbergia cuspidata
- porcupinegrass Hesperostipa spartea
- poverty rush Juncus tenuis
- poverty threeawn Aristida divaricata
- prairie cordgrass Spartina pectinata
- prairie dropseed Sporobolus heterolepis
- prairie Junegrass Koeleria macrantha
- prairie wedgescale Sphenopholis obtusata
- purple lovegrass Eragrostis spectabilis
- purple threeawn Aristida purpurea
- purpletop tridens Tridens flavus
- ravenfoot sedge Carex crus-corvi
- redroot flatsedge Cyperus erythrorhizos
- redtop panicgrass Panicum rigidulum
- reed canarygrass Phalaris arundinacea
- rice cutgrass Leersia oryzoides
- river bulrush Bolboschoenus fluviatilis
- roundhead rush Juncus validus
- rufous bulrush Scirpus pendulus
- saltgrass Distichlis spicata
- sand bluestem Andropogon hallii
- sand dropseed Sporobolus cryptandrus
- sand lovegrass Eragrostis trichodes
- Sandberg bluegrass Poa secunda
- scratchgrass Muhlenbergia asperifolia
- shallow sedge Carex lurida
- shoreline sedge Carex hyalinolepis
- Short's sedge Carex shortiana
- shortbeard plumegrass Saccharum brevibarbe
- shortbristle horned beaksedge Rhynchospora corniculata
- sideoats grama Bouteloua curtipendula
- slender bulrush Schoenoplectus heterochaetus
- slender flatsedge Cyperus bipartitus
- slender little bluestem Schizachyrium tenerum
- slender spikerush Eleocharis tenuis
- slender woodoats Chasmanthium laxum
- smallhead rush Juncus brachycephalus
- softstem bulrush Schoenoplectus tabernaemontani
- spike bentgrass Agrostis exarata
- spike muhly Muhlenbergia wrightii
- splitbeard bluestem Andropogon ternarius
- squarestem spikerush Eleocharis quadrangulata
- squarrose sedge Carex squarrosa
- squirreltail Elymus elymoides
- strawcolored flatsedge Cyperus strigosus
- sugarcane plumegrass Saccharum giganteum
- sweet woodreed Cinna arundinacea
- switchgrass Panicum virgatum
- tapertip flatsedge Cyperus acuminatus
- tapertip rush Juncus acuminatus
- teal lovegrass Eragrostis hypnoides
- thicket sedge Carex abscondita
- thinfruit sedge Carex flaccosperma
- three-way sedge Dulichium arundinaceum
- toad rush Juncus bufonius
- tobosagrass Pleuraphis mutica
- Torrey's rush Juncus torreyi
- twisted sedge Carex torta
- upland bentgrass Agrostis perennans
- variable panicgrass Dichanthelium commutatum
- velvet panicum Dichanthelium scoparium
- vine mesquite Panicum obtusum
- Virginia wildrye Elymus virginicus
- wavy hairgrass Deschampsia flexuosa
- western wheatgrass Pascopyrum smithii
- white edge sedge Carex debilis
- whitegrass Leersia virginica
- whiteroot rush Juncus brachycarpus
- winter bentgrass Agrostis hyemalis
- wirestem muhly Muhlenbergia frondosa
- woodland bluegrass Poa sylvestris
- woodland muhly Muhlenbergia sylvatica
- woolgrass Scirpus cyperinus
- yellow flatsedge Cyperus flavescens
Vine 27
- American bittersweet Celastrus scandens
- American vetch Vicia americana
- American wisteria Wisteria frutescens
- arrowleaf tearthumb Polygonum sagittatum
- cat greenbrier Smilax glauca
- catbird grape Vitis palmata
- climbing hempvine Mikania scandens
- climbing rose Rosa setigera
- cupseed Calycocarpum lyonii
- devil's darning needles Clematis virginiana
- frost grape Vitis vulpina
- graybark grape Vitis cinerea
- groundnut Apios americana
- heartleaf peppervine Ampelopsis cordata
- lanceleaf greenbrier Smilax smallii
- laurel greenbrier Smilax laurifolia
- Missouri gourd Cucurbita foetidissima
- muscadine Vitis rotundifolia
- peppervine Nekemias arborea
- riverbank grape Vitis riparia
- roundleaf greenbrier Smilax rotundifolia
- saw greenbrier Smilax bona-nox
- summer grape Vitis aestivalis
- trumpet creeper Campsis radicans
- trumpet honeysuckle Lonicera sempervirens
- Virginia creeper Parthenocissus quinquefolia
- yellow passionflower Passiflora lutea
Fern 7
- cinnamon fern Osmunda cinnamomea
- common maidenhair Adiantum capillus-veneris
- field horsetail Equisetum arvense
- New York fern Thelypteris noveboracensis
- northern maidenhair Adiantum pedatum
- rattlesnake fern Botrychium virginianum
- smooth horsetail Equisetum laevigatum
Also listed as native and introduced here 4
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.
- annual ragweedAmbrosia artemisiifolia
- common reedPhragmites australis
- Kentucky bluegrassPoa pratensis
- Mexican teaDysphania ambrosioides
Territories: Puerto Rico · U.S. Virgin Islands
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
- Oklahoma: 1,513 native species in this site’s scope; county lists for 77 counties.
- 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