Achillea millefolium
Yarrow
Acleisanthes longiflora
Angel’s Trumpets
Acleisanthes wrightii
Wright’s Trumpets
Ageratina havanensis
Shrubby Boneset
Ageratina wrightii
Wright’s Snakeroot
Allium canadense var. canadense
Meadow Garlic
Allium canadense var. fraseri
Fraser Meadow Garlic
Aloysia gratissima
Beebrush
Aloysia wrightii
Wright’s Beebrush
Amaranthus palmeri
Palmer’s Amaranth
Ambrosia monogyra
Single-whorl Burro-brush
Amsonia ciliata
Texas Bluestar
Amsonia longiflora
Tubular Bluestar
Amsonia palmeri
Palmer's Bluestar
Anemone berlandieri
Ten-petal Anemone
Aphanostephus ramosissimus
Plains Dozedaisy
Aphanostephus skirrhobasis
Arkansas Dozedaisy
Arbutus xalapensis
Texas Madrone
Argemone albiflora
White Prickly Poppy
Argemone aurantiaca
Texas Prickly Poppy
Argemone chisosensis
Chisos Mountains Prickly Poppy
Argemone polyanthemos
Crested Prickly Poppy
Argemone squarrosa
Hedgehog Prickly Poppy
Asclepias asperula
Antelope Horns
Asclepias oenotheroides
Zizotes Milkweed
Astragalus crassicarpus var. berlandieri
Groundplum Milkvetch
Baccharis halimifolia
Eastern Baccharis
Baccharis neglecta
Poverty Weed
Baccharis salicifolia
Mule Fat
Bauhunia lunarioides
Anacacho Orchid Tree
Bellardia trixago
Mediterranean Lineseed
Bidens bigelovii
Bidens Beggarticks
Bifora americana
Prairie Bishop’s-weed
Bouchetia anomala
Painted-tongue
Bouteloua curtipendula
Sideoats Grama
Bouteloua dactyloides
Buffalo Grass
Buglossoides arvensis
Corn Gromwell
Callicarpa americana
American Beautyberry
Capsella bursa-pastoris
Shepherd’s-purse
Capsicum annum var. glabriusculum
Cayenne Pepper
Cardiospermum halicacabum
Balloon-vine
Carphochaete bigelovii
Bigelow’s Bristehead
Cephalanthus occidentalis
Buttonbush
Cerastium glomeratum
Sticky Chickweed
Chaerophyllum tainturieri
Chervil
Chaetopappa asteroides
Least Daisy
Chaetopappa ericoides
Rose Heath
Chamaesaracha coniodes
False Nightshade
Chamaesaracha sordida
Hairy False Nightshade
Chamaesaracha villosa
Woolly False Nightshade
Chaptalia texana
Silver Puff
Chlorocantha spinosa
Spiny Chlorocantha
Clematis drummondii
Old-man’s Beard
Clematis terniflora
Sweet Autumn Virgin’s-bower
Cnidnoscolus texanus
Bullnettle
Conium maculatum
Poison Hemlock
Convolvulus equitans
Texas Bindweed
Cordia boissieri
Texas Olive
Cornus drummondii
Roughleaf Dogwood
Coursetia axillaris
Texas Babybonnets
Crinum bulbispermum
Hardy Swamp Lily
Croton glandulosus var. pubentissimus
Tropic Croton
Croton heptalon
Texas Woolly Croton
Croton lindheimeri
Hogwort
Croton monanthogynus
One-seed Croton
Croton pottsii var. pottsii
Leatherweed
Cryptantha crassipes
Terlingua Creek Catseye
Cryptantha crassisepala
Thicksepal Catseye
Cryptantha minima
Little Catseye
Cyclospermum leptophyllum
Marsh Parsley
Cyperus echinatus
Globe Flatsedge
Cyperus odoratus
Fragrant Flatsedge
Dalea enneandra
Nine-anther Prairie Clover
Dalea obovata
Pussyfoot
Dalea pheleoides var. microphylla
Slim-spike Prairie Clover
Dasyochloa pulchella
Low Woollygrass
Datura wrightii
Jimson-weed
Daucus pusillus
American Wild Carrot
Delphinium carolinianum ssp. virescens
Prairie Larkspur
Desmanthus reticulatus
Netleaf Bundleflower
Diaperia prolifera
Big-head Pygmy-cudweed
Diaperia verna
Spring Pygmy-cudweed
Digitaria californica
Arizona Cottontop
Dimorphocarpa cansicans
Palmer’s Spectacle Pod
Diodella teres
Rough Buttonweed
Diodia virginiana
Virginia Buttonweed
Diospyros texana
Texas Persimmon
Eclipta prostrata
False Daisy
Erigeron annuus
Annual Fleabane
Erigeron modestus
Plains Fleabane
Erigeron philadelphicus
Philadelphia Fleabane
Erigeron strigosus
Prairie Fleabane
Eriogonum annuum
Annual Buckwheat
Eriogonum jamesii var. undulatum
James’ Buckwheat
Eriogonum longifolium var. longifolium
Longleaf Buckwheat
Eriogonum multiflorum var. riograndis
Rio Grande Buckwheat
Eriogonum wrightii var. wrightii
Shrubby Buckwheat
Eupatorium serotinum
White Boneset
Euphorbia albomarginata
Rattlesnake Weed
Euphorbia capitellata
Head Sandmat
Euphorbia corollata
Flowering Spurge
Euphorbia dentata
Toothed Spurge
Euphorbia eriantha
Beetle Spurge
Euphorbia indivisa
Royal Sandmat
Euphorbia marginata
Snow-on-the-Mountain
Euphorbia simulans
Mimicking Sandmat
Evolvulus sericeus
Silver Dwarf Morning-glory
Eysenhardtia texana
Texas Kidneywood
Fallugia paradox
Apache Plume
Fraxinus cuspidata
Fragrant Assh
Froelichia gracilis
Slender Snake-cotton
Funastrum cynanchoides var. cynanchoides
Climbing Milkweed
Galium aparine
Stickywilly
Geranium carolinianum
Carolina Geranium
Geum canadense
White Avens
Glandularia quadrangulata
Beaked Mock Vervain
Gomphrena nealleyi
Nealley’s Globe Amaranth
Gonolobus suberosus var. granulatus
Anglepod Milkweed Vine
Guilleminea densa var. aggregata
Small Matweed
Hechtia texensis
Texas False Agave
Heliotropium curassavicum
Seaside Heliotrope
Heliotropium procumbens
Four-spike Heliotrope
Heliotropium tenellum
White Heliotrope
Hibiscus laevis
Halberd-leaf Rosemallow
Hydrocotyle umbellata
Umbrella Pennyroyal
Hymenocallis liriosme
Spring Spiderlily
Hymenopappus artemisiifolius
Old Plainsman
Hymenopappus scabiosaeus var. corymbosus
Carolina Woollywhite
Hymenopappus tenuifolius
Chalk Hill Woollywhite
Ilex decidua
Possumhaw
Ilex vomitoria
Yaupon Holly
Ipomopsis longiflora
White-flowered Skyrocket
Iresine heterophylla
Stanley’s Bloodleaf
Iva annua
Annual Marsh Elder
Justicia americana
American Water-willow
Lantana achyranthifolia
Mejorana
Lepidium densiflorum
Common Peppergrass
Lepidium virginicum
Virginia Pepperweed
Lespedeza hirta
Hairy Lespedeza
Leucanthum vulgare
Oxeye Daisy
Lithospermum matamorense
Rough Stoneseed
Lonicera japonica
Japanese Honeysuckle
Lupinus texensis
Texas Bluebonnet (white)
Malvella sagittifolia
Arrowleaf Mallow
Marshallia caespitosa
Barbara’s Buttons
Matelea reticulata
Green Milkweed Vine
Melampodium leucanthum
Blackfoot Daisy
Melia azedarach
Chinaberry Tree
Melica nitens
Three-flower Melic
Melilotus albus
White Sweet Clover
Mentzelia decapetala
Ten-petal Blazingstar
Metastelma barbigerum
Bearded Swallow-wort
Mikania skandens
Climbing Hempweed
Minuartia drummondii
Drummond’s Stitchwort
Minuartia muscorum
Dixie Stitchwort
Mirabilis albida
White Four O'clock
Mirabilis linearis
Narrow-leaf Four O'clock
Monarda clinopodioides
Basil Beebalm
Nandina domestica
Heavenly Bamboo
Nerisyrenia camporum
Bicolor Mustard
Nicolletia edwardsii
Hole-in-the-sand Plant
Nicotiana obtusifolia
Desert Tobacco
Nicotiana repanda
Fiddleleaf Tobacco
Nolina texana
Texas Beargrass
Nothoscordum bivalve
Crow Poison
Oenothera albicaulis
Whitest Evening Primrose
Oenothera boquillensis
Rio Grande Beeblossom
Oenothera kunthiana
Kunth’s Evening Primrose
Oenothera linheimeri
Lindheimer’s Beeblossom
Oenothera patriciae
Plains Beeblossom
Oenothera suffulta
Kisses
Oligomeris linifolia
Lineleaf Whitepuff
Onosmodium bejariense
False Gromwell
Parietaria pensylvanica
Pennsylvania Pellitory
Parthenium confertum
Gray’s Feverfew
Parthenium hysterophorus
Santa Maria Feverfew
Parthenium incanum
Mariola
Penstemon laxiflorum
Nodding Beardtongue
Penthorum sedoides
Ditch Stonecrop
Persea borbonia
Redbay
Persicaria hydropiperoides
Swamp Smartweed
Persicaria punctata
Dotted Smartweed
Phyla lanceolata
Northern Frog-fruit
Phyla nodiflora
Texas Frog-fruit
Physaria purpurea
White Bladderpod
Phytolacca americana
Americana Pokeweed
Pinaropappus roseus
White Rock-lettuce
Plantago helleri
Heller’s Plantain
Plantago lanceolata
Buckhorn Plantain
Plantago patagonica
Woolly Plantain
Plantago rhodosperma
Redseed Plantain
Plantago wrightiana
Wright's Plantain
Polanisia dodecandra
Clammyweed
Polanisia uniglandulosa
Mexican Clammyweed
Polygala alba
White Milkwort
Polypogon monspieliensis
Annual Rabbit’s-foot Grass
Polypremum procumbens
Juniper Leaf
Prunus mexicana
Mexican Plum
Psathyrotopis scaposa
Naked Turtleback
Pseudognaphalium canescens
Wright’s Cudweed
Pseudognaphalium jaliscense
Jalisco Rabbit-tobacco
Pseudognaphalium obtusifolium
Rabbit-tobacco
Ptelea trifoliata
Wafer Ash
Rhus microphylla
Littleleaf Sumac
Rhynchospora colorata
White-top Sedge
Richardia brasiliensis
Tropical Mexican Clover
Rivina humilis
Pigeon-berry
Rosa bracteata
Macartney Rose
Rubus trivialis
Southern Dewberry
Rumex altissimus
Pale Dock
Rumex crispus
Curly Dock
Rumex hastatulus
Heartwing Sorrel
Rumex hymenosepalus
Canaigre Dock
Rumex pulcher
Fiddle Dock
Sabal minor
Dwarf Palmetto
Salsola tragus
Russian Thistle
Samolus ebracteatus
Limewater Brookweed
Sanicula canadensis
Canadian Black-snakeroot
Selaginella lepidophylla
Flower of Stone
Senegalia berlandieri
Guajillo
Senegalia greggii
Catclaw Acacia
Sisyrinchium rosulatum
Annual Blue-eyed Grass
Smilax bona-nox
Saw Greenbrier
Solanum ptychanthum
West Indian Nightshade
Solanum triquetrum
Texas Nightshade
Spiranthes magnicamporum
Great Plains Lady’s Tresses
Spiranthes lacera var. gracilis
Southern Slender Lady’s Tresses
Spiranthes vernalis,
Spring Lady’s Tresses
Stenaria nigricans. var. nigricans
Diamondflowers
Stillingia sylvatica
Queen’s Delight
Stillingia texana
Texas Toothleaf
Streptanthus petiolaris
Brazos Rockcress
Symphyotrichum drummondii var. texanum
Texas Aster
Symphyotrichum dumosum var. dumosum
Rice Button Aster
Symphyotrichum ericoides var. ericoides
White Heath Aster
Symphyotrichum lanceolatum ssp. lanceolatum
White Panicle Aster
Symphyotrichum subulatum var. ligulatum
Southern Annual Saltmarsh Aster
Tephrosia onobrychoides
Multi-bloom Hoary Pea
Teucrium cubense
Small Coastal Germander
Teucrium laciniatum
Cut-leaf Germander
Torilis arvensis
Hedge Parsley
Toxicodendron pubescens
Atlantic Poison Oak
Tradescantia gigantea
Giant Spiderwort
Trepocarpus aethusae
Whitenymph
Triadica sebifera
Chinese Tallow
Trichloris crinita
False Rhodes Grass
Vavvinium arboreum
Farkleberry
Valerianella amarella
Hairy Cornsalad
Valerianella locusta
Common Cornsalad
Valerianella radiata
Beaked Cornsalad
Verbesina virginica
Frostweed
Viburnum rufidulum
Rusty Blackhaw
Vitis mustangensis
Mustang Grape
Yucca arkanana
Arkansas Yucca
Yucca elata
Soaptree Yucca
Yucca faxonia
Giant Dagger Yucca
Yucca rupicola
Texas Yucca
Yucca thompsoniana
Thompson Yucca
Yucca treculeana (Yucca torreyi)
Spanish Dagger Yucca
Zephyranthes drummondii
Hill Country Rain-lily
Zinnia acerosa
Desert Zinnia