70 plant species documented
Aceraceae

boxelder

Acer negundo L.

Hippocastanaceae

Ohio buckeye

Aesculus glabra Willd.

Amaranthaceae

mat amaranth

Amaranthus graecizans auct. non L.

Asteraceae

annual ragweed

Ambrosia artemisiifolia L.

Asteraceae

great ragweed

Ambrosia trifida L.

Poaceae

silver bluestem

Andropogon saccharoides Sw.

Apocynaceae

Indianhemp

Apocynum suksdorfii Greene var. angustifolium (Wooton) Woodson

Papaveraceae

Crested Prickly Poppy; crested pricklypoppy

Argemone platyceras auct. non Link & Otto

Asteraceae

white sagebrush

Artemisia ludoviciana Nutt.

Asteraceae

Foothill Sagewort; common wormwood

Artemisia vulgaris L. var. ludoviciana (Nutt.) Kuntze

Poaceae

sideoats grama

Bouteloua curtipendula (Michx.) Torr.

Poaceae

hairy grama

Bouteloua hirsuta Lag.

Malvaceae

purple poppymallow

Callirhoe involucrata (Torr. & A. Gray) A. Gray

Ulmaceae

common hackberry

Celtis occidentalis L. var. occidentalis

Asteraceae

American star-thistle

Centaurea americana Nutt.

Rubiaceae

common buttonbush

Cephalanthus occidentalis L. var. pubescens Raf.

Asteraceae

wavyleaf thistle

Cirsium undulatum (Nutt.) Spreng.

Cucurbitaceae

watermelon

Citrullus lanatus (Thunb.) Matsum. & Nakai

Unknown

Carolina Larkspur

Delphinium virescens Nutt. var. vimineum (D. Don) R.F. Martin

Unknown

Purple Coneflower

Echinacea pallida (Nutt.) Nutt. var. angustifolia (DC.) Cronquist

Poaceae

Canada wildrye

Elymus robustus Scribn. & J.G. Sm.

Asteraceae

Philadelphia fleabane

Erigeron philadelphicus L.

Polygonaceae

longleaf buckwheat

Eriogonum longifolium Nutt.

Poaceae

rescuegrass

Festuca unioloides (Willd.) Raspail, non Bromus unioloides Kunth, nom. illeg.

Asteraceae

common sunflower

Helianthus lenticularis Douglas ex Lindl.

Convolvulaceae

bush morning-glory

Ipomoea leptophylla Torr.

Cupressaceae

eastern redcedar

Juniperus virginiana L.

Euphorbiaceae

snow on the mountain

Lepadena marginata (Pursh) Nieuwl.

Asteraceae

dotted blazing star

Liatris punctata Hook.

Cactaceae

peyote

Lophophora williamsii (Lem. ex Salm-Dyck) J.M. Coult. var. echinata (Croizat) H. Bravo

Cyperaceae

Schweinitz's flatsedge

Mariscus schweinitzii (Torr.) T. Koyama

Lamiaceae

wild mint

Mentha penardii (Briq.) Rydb.

Lamiaceae

wild bergamot

Monarda fistulosa L.

Unknown

Scribner's Rosette Grass

Panicum scribnerianum Nash

Caryophyllaceae

James' nailwort

Paronychia wardii Rydb.

Poaceae

thin paspalum

Paspalum supinum Bosc ex Poir.

Scrophulariaceae

large beardtongue

Penstemon bradburii Pursh

Cucurbitaceae

Missouri gourd

Pepo foetidissima (Kunth) Britton

Solanaceae

clammy groundcherry

Physalis heterophylla Nees

Plantaginaceae

Virginia plantain

Plantago virginica L. var. viridescens Fernald

Fabaceae

algarrobo

Prosopis chilensis (Molina) Stuntz

Fabaceae

honey mesquite

Prosopis glandulosa Torr.

Rosaceae

American plum

Prunus americana Marshall

Rosaceae

Oklahoma plum

Prunus gracilis Engelm. & A. Gray

Rosaceae

chokecherry

Prunus virginiana L.

Fagaceae

water oak

Quercus nigra L. var. heterophylla (Aiton) Ashe

Unknown

Northern Red Oak

Quercus rubra L. var. borealis (Michx. f.) Farw.

Fagaceae

post oak

Quercus stellata Wangenh. var. parviloba Sarg.

Anacardiaceae

fragrant sumac

Rhus aromatica Aiton

Anacardiaceae

smooth sumac

Rhus glabra L. var. occidentalis Torr.

Anacardiaceae

skunkbush sumac

Rhus trilobata Nutt.

Salicaceae

prairie willow

Salix humilis Marshall

Caprifoliaceae

elderberry

Sambucus L.

Unknown

Western Soapberry

Sapindus drummondii Hook. & Arn.

Oxalidaceae

violet woodsorrel

Sassia violacea (L.) Holub

Sapotaceae

gum bully

Sideroxylon lanuginosum Michx.

Asteraceae

Carolina desert-chicory

Sitilias caroliniana (Walter) Raf.

Solanaceae

silverleaf nightshade

Solanum elaeagnifolium Cav.

Poaceae

Johnsongrass

Sorghum miliaceum (Roxb.) Snowden

Poaceae

sand dropseed

Sporobolus cryptandrus (Torr.) A. Gray var. occidentalis E.K. Jones & Fassett

Asteraceae

common dandelion

Taraxacum officinale F.H. Wigg.

Poaceae

sweetgrass

Torresia odorata (L.) Hitchc.

Unknown

Eastern Poison Ivy

Toxicodendron vulgare Mill.

Moraceae

Osage-orange

Toxylon pomiferum Raf.

Ulmaceae

slippery elm

Ulmus fulva Michx.

Asteraceae

Missouri ironweed

Vernonia aborigina Gleason

Vitaceae

graybark grape

Vitis cinerea (Engelm.) Engelm. ex Millard

Juglandaceae

black walnut

Wallia nigra (L.) Alef.

Agavaceae

soapweed yucca

Yucca glauca Nutt.

Poaceae

corn

Zea mays L.