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Plants of Oklahoma

The plants most often spotted in Oklahoma, ranked by recent research-grade observations.

86,854
recent observations
50
species listed
50
plants

Naturalists have logged 86,854 research-grade observations across the 50 most-recorded species in Oklahoma. The most frequently seen is the Silverleaf Nightshade, with 3,866 recorded sightings.

Most-observed plants in Oklahoma

Silverleaf Nightshade
Solanum elaeagnifolium
3,866 observations · iNaturalist
Green Antelopehorns
Asclepias viridis
3,533 observations
Eastern Redcedar
Juniperus virginiana
3,399 observations
Texas Paintbrush
Castilleja indivisa
3,089 observations · iNaturalist
Eastern Redbud
Cercis canadensis
2,458 observations
American Pokeweed
Phytolacca americana
2,383 observations
Firewheel
Gaillardia pulchella
2,374 observations
Henbit Deadnettle
Lamium amplexicaule
2,146 observations · iNaturalist
Lace Hedgehog Cactus
Echinocereus reichenbachii
2,146 observations
Osage-orange
Maclura pomifera
2,122 observations
Common Yarrow
Achillea millefolium
2,096 observations
White Clover
Trifolium repens
1,981 observations
Amur Honeysuckle
Lonicera maackii
1,911 observations
Buttonbush
Cephalanthus occidentalis
1,873 observations
Virginia Creeper
Parthenocissus quinquefolia
1,754 observations
Pinkladies
Oenothera speciosa
1,752 observations
Eastern Poison Ivy
Toxicodendron radicans
1,637 observations
Honey Mesquite
Neltuma glandulosa
1,629 observations · iNaturalist
Crowpoison
Nothoscordum bivalve
1,617 observations
Saw Greenbrier
Smilax bona-nox
1,604 observations · iNaturalist
Giant Ragweed
Ambrosia trifida
1,590 observations
Western Soapberry
Sapindus drummondii
1,550 observations · iNaturalist
Upright Prairie Coneflower
Ratibida columnifera
1,549 observations
Johnson Grass
Sorghum halepense
1,543 observations
Spanish Gold
Grindelia ciliata
1,527 observations · iNaturalist
Coralberry
Symphoricarpos orbiculatus
1,503 observations · iNaturalist
American Basketflower
Plectocephalus americanus
1,479 observations · iNaturalist
Virginia Springbeauty
Claytonia virginica
1,478 observations
River Oats
Chasmanthium latifolium
1,461 observations
Eastern Cottonwood
Populus deltoides
1,433 observations
Snow-on-the-mountain
Euphorbia marginata
1,433 observations
Black-eyed Susan
Rudbeckia hirta
1,432 observations
American Trumpet Vine
Campsis radicans
1,432 observations
Antelopehorn Milkweed
Asclepias asperula
1,408 observations · iNaturalist
American Persimmon
Diospyros virginiana
1,408 observations
Redstem Stork's-bill
Erodium cicutarium
1,381 observations · iNaturalist
Field Madder
Sherardia arvensis
1,354 observations · iNaturalist
Blackjack Oak
Quercus marilandica
1,345 observations
Purple Passionflower
Passiflora incarnata
1,324 observations
Chinese Privet
Ligustrum sinense
1,306 observations
Smooth Sumac
Rhus glabra
1,292 observations
Plains Coreopsis
Coreopsis tinctoria
1,272 observations
Bitterweed
Helenium amarum
1,271 observations
Buffalo Gourd
Cucurbita foetidissima
1,270 observations · iNaturalist
Roughleaf Dogwood
Cornus drummondii
1,268 observations · iNaturalist
Carolina Snailseed
Nephroia carolina
1,258 observations · iNaturalist
Common Sunflower
Helianthus annuus
1,249 observations
Japanese Honeysuckle
Lonicera japonica
1,242 observations
Buffalo-bur
Solanum rostratum
1,235 observations · iNaturalist
Late Boneset
Eupatorium serotinum
1,191 observations · iNaturalist

Built from recent research-grade iNaturalist observations. Identifications are community-sourced and may occasionally be wrong, and the ranking reflects where people record and photograph wildlife, so a species seen often here is not necessarily rare elsewhere. Some plants and animals are only out in certain seasons. Treat this as a lively snapshot of what people are finding, not a formal checklist.

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