Flora of Arkansas

Geobotanically, Arkansas belongs to the North American Atlantic Region.

This list is incomplete; you can help by expanding it.

Rare Species

A

• Amorpha ouachitensis - Ouachita leadplant
• Amorpha paniculata - Panicled indigobush
• Amsonia hubrichtii - Ouachita blue star

• Astragalus soxmaniorum - Soxmans' milk-vetch

C

• Calamagrostis porteri ssp. insperata - Ofer hollow reed grass
• Calamovilfa arcuata - A sandgrass
• Carex decomposita - Epiphytic sedge
• Carex latebracteata - Waterfall's sedge
• Carex shinnersii - Shinner's sedge
• Carex timida - A sedge
• Castanea pumila var. ozarkensis - Ozark chinquapin
• Chelone obliqua var. speciosa - Rose turtlehead
• Cyperus grayoides - Umbrella sedge
• Cypripedium kentuckiense - Southern lady's-slipper

D

• Delphinium newtonianum - Moore's larkspur
• Delphinium treleasei - Trelease's larkspur
• Dodecatheon frenchii - French's shootingstar
• Draba aprica - Open-ground whitlow-grass
• Datura

E

• Echinacea paradoxa - Bush's yellow coneflower
• Echinacea sanguinea - A coneflower
• Eriocaulon koernickianum - Dwarf pipewort

F

• Fothergilla major - Witch-alder

G

• Galium arkansanum - A bedstraw

H

• Helianthus occidentalis ssp. plantagineus - Shinner's sunflower
• Heuchera villosa var. arkansana - Arkansas alumroot
• Houstonia ouachitana - Ouachita bluet
• Hydrophyllum brownei - Browne's waterleaf

L

• Leitneria floridana - Corkwood
• Liatris squarrosa var. compacta - A blazing star

M

• Mespilus canescens - Stern's medlar
• Minuartia godfreyi - Godfrey's sandwort

N

• Neviusia alabamensis - Alabama snow-wreath

O

• Oenothera heterophylla ssp. orientalis - An evening primrose
• Oenothera pilosella ssp. sessilis - Prairie evening primrose

P

• Polymnia cossatotensis - Cossatot leafcup
• Ptilimnium nodosum - Harperella

Q

• Quercus acerifolia - Maple-leaved oak
• Quercus arkansana - Arkansas oak

S

• Schisandra glabra - Climbing magnolia
• Schoenolirion wrightii - Texas sunnybell
• Scutellaria bushii - Bush's skullcap
• Silene ovata - Ovate-leaf catchfly
• Silene regia - Royal catchfly
• Solidago ouachitensis - Ouachita goldenrod
• Streptanthus maculatus ssp. obtusifolius - A twistflower
• Streptanthus squamiformis - A twistflower

T

• Thalictrum arkansanum - Arkansas meadow-rue
• Tradescantia longipes - Dwarf spiderwort
• Tradescantia ozarkana - Ozark spiderwort
• Trillium pusillum var. ozarkanum - Ozark least trillium
• Trillium viridescens - Ozark trillium

V

• Valerianella nuttallii - Nuttall corn-salad
• Valerianella palmeri - Palmer's corn-salad
• Valerianella ozarkana - Ozark corn-salad
• Vernonia lettermannii - Narrowleaf ironweed

Common Trees

• Pinus echinata - Shortleaf Pine
• Other Pinus species also common
• Juglans nigra - Black Walnut
• Carya ovata - Shagbark Hickory
• Other Carya species also common
• Betula nigra - River Birch
• Quercus alba - White Oak
• Other Quercus species also common
• Sassafras albidum - Sassafras
• Liquidambar styraciflua - Sweetgum
• Platanus occidentalis - American Sycamore
• Malus sylvestris - Common Apple (Arkansas State Flower is the Apple Blossom)
• Acer negundo - Box Elder
• Acer species - Maples
• Cornus florida - Flowering Dogwood
• Juniperus virginiana - Eastern Redcedar
• Rhus glabra - Smooth Sumac
• Other Rhus species also common
• Diospyros virginiana - American Persimmon
• Prunus serotina - Black Cherry
• Prunus virginiana - Chokecherry
• Prunus americana - Wild Plum
• Other Prunus species also common
• Ulmus alata - Winged Elm
• Ulmus americana - American Elm
• Other Ulmus species also common
• Salix nigra - Black Willow

Common Shrubs

• Euonymus - Euonymus, Marble Queen
• Rubus species - Brambles, Blackberries, Dewberries
• Rhus species - Sumacs
• Rosa species - Wild roses
• Sambucus species - Elderberries