Geobotanically, Arkansas belongs to the North American Atlantic Region.

A

• Acer negundo - Boxelder

• Acer saccharum - Sugar maple

• Amorpha ouachitensis - Ouachita leadplant

• Amorpha paniculata - Panicled indigobush

• Amsonia hubrichtii - Arkansas bluestar

• Astragalus soxmaniorum - Soxman's milkvetch

B

• Betula nigra - River birch

• Betula pendula - White birch (non-native)

C

• Calamagrostis porteri ssp. insperata - Ofer hollow reed grass

• Calamovilfa arcuata - A sandgrass

• Carex arkansana - Arkansas sedge

• Carex decomposita

• Carex latebracteata - Waterfall's sedge

• Carex shinnersii - Shinner's sedge

• Carex timida - Timid sedge

• Carya myristiciformis - Nutmeg hickory

• Carya ovata - Shagbark hickory

• Carya tomentosa - Mockernut hickory

• Castanea pumila var. ozarkensis - Ozark chinquapin

• Chelone obliqua var. speciosa - Rose turtlehead

• Cornus florida - Flowering dogwood

• Cunila origanoides - American dittany, mountain oregano

• Cyperus grayoides - Umbrella sedge

• Cypripedium kentuckiense - Southern lady's-slipper

D

• Delphinium newtonianum - Moore's larkspur

• Delphinium treleasei - Trelease's larkspur

• Diospyros virginiana - American persimmon

• Dodecatheon frenchii - French's shootingstar

• Draba aprica - Open-ground whitlow-grass

E

• Echinacea paradoxa - Bush's yellow coneflower

• Echinacea sanguinea - Sanguine purple coneflower

• Eriocaulon koernickianum - Dwarf pipewort

F

• Fothergilla major - Witch-alder

G

• Galium arkansanum - Arkansas bedstraw

H

• Hamamelis vernalis - Ozark witch hazel

• Harperella nodosa (syn. Ptilimnium nodosum) - Harperella

• Helianthus occidentalis ssp. plantagineus - Shinner's sunflower

• Heuchera villosa var. arkansana - Arkansas alumroot

• Houstonia ouachitana - Ouachita bluet

• Hydrophyllum brownei - Browne's waterleaf

I

J

• Juglans nigra - Black walnut

• Juniperus virginiana - Eastern redcedar

K

L

• Leitneria floridana - Corkwood

• Liatris compacta - Ouachita blazing star

• Liquidambar styraciflua - Slender silhouette sweetgum

• Lobelia siphilitica - Great blue lobelia

• Lysimachia quadriflora

M

• Malus coronaria (Pyrus coronaria) - Sweet crabapple (Arkansas State Flower)

• Mespilus canescens - Stern's medlar

• Minuartia godfreyi - Godfrey's sandwort

N

• Neviusia alabamensis - Alabama snow-wreath

O

• Oenothera heterophylla ssp. orientalis - Alabama evening primrose

• Oenothera pilosella ssp. sessilis - Prairie evening primrose

P

• Pinus echinata - Shortleaf pine

• Platanus occidentalis - American sycamore

• Polymnia cossatotensis - Cossatot leafcup

• Prunus serotina - Black cherry

• Prunus virginiana - Chokecherry

• Prunus americana - Wild plum

Q

• Quercus acerifolia - Maple-leaved oak

• Quercus alba - White oak

• Quercus arkansana - Arkansas oak

• Quercus coccinea - Scarlet oak

• Quercus falcata - Southern red oak

• Quercus imbricaria - Shingle oak

• Quercus incana - Bluejack oak

• Quercus laurifolia - Swamp laurel oak

• Quercus lyrata - Overcup oak

• Quercus macrocarpa - Bur oak

• Quercus margaretta - Sand post oak

• Quercus marilandica - Blackjack oak

• Quercus michauxii - Swamp chestnut oak

• Quercus muehlenbergii - Chinkapin oak

• Quercus nigra - Water oak

• Quercus pagoda - Cherrybark oak

R

• Rhus aromatica - Aromatic sumac

• Rhus copallina - Winged sumac

• Rhus glabra - Smooth sumac

S

• Salix nigra - Black willow

• Sassafras albidum - Sassafras

• 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 - Clasping jewelflower

• Streptanthus squamiformis - Pineoak jewelflower

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

U

• Ulmus alata - Winged elm

• Ulmus americana - American elm

• Ulmus rubra - Slippery elm

• Ulmus thomasi - Rock elm

V

• Valerianella nuttallii - Nuttall corn-salad

• Valerianella palmeri - Palmer's corn-salad

• Valerianella ozarkana - Ozark corn-salad

• Vernonia arkansana - Arkansas ironweed

• Vernonia lettermannii - Narrowleaf ironweed

W

X

Y

Z

References