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| scientific name | common name(s) | image gallery |
| Acer grandidentatum | Bigtooth maple Big-toothed maple Canyon maple | |
| Acleisanthes longiflora | Angel trumpets Angel's trumpets | |
| Alternanthera caracasana | Washerwoman | |
| Allium drummondii | Drummond's onion Wild Garlic Drummond wild onion | |
| Aloysia gratissima | Whitebrush Bee-brush White-brush Common bee-brush Beebrush Privet lippia | |
| Allionia incarnata | Trailing windmills Trailing four o'clock Pink windmills Trailing allionia | |
| Amaranthus palmeri | Carelessweed | |
| Ammoselinum popei | Plains sandparsley | |
| Ambrosia psilostachya | Cuman ragweed Western ragweed Perennial ragweed Common ragweed | |
| Amaranthus retroflexus | Redroot amaranth | |
| Anisacanthus quadrifidus var. wrightii | Flame acanthus Hummingbird bush Wright's desert honeysuckle Wright acanthus Mexican flame Wright's Mexican flame | |
| Argemone albiflora | Bluestem pricklypoppy White pricklypoppy | |
| Artemisia filifolia | Sand sagebrush Silver sagebrush Silvery wormwood Sand sage | |
| Artemisia ludoviciana | Louisiana artemisia Louisiana sage White sage Prairie sage Silver sage White sagebrush Louisiana wormwood Silver wormwood Louisiana sagewort Gray sagewort Cudweed sagewort Mugwort wormwood | |
| Asclepias oenotheroides | Zizotes milkweed Hierba de Zizotes Longhorn milkweed Side-cluster milkweed Primrose milkweed Lindheimer's milkweed | |
| Asclepias subverticillata | Horsetail milkweed Poison Milkweed | |
| Atriplex canescens | Chamiso Four-wing saltbush Fourwing saltbush Wingscale | |
| Baccharis texana | Prairie false willow | |
| Berlandiera lyrata | Chocolate daisy Chocolate flower Lyreleaf greeneyes Green-Eyed lyre leaf | |
| Bouteloua barbata | Sixweeks grama | |
| Bouteloua curtipendula | Sideoats grama | |
| Bouteloua dactyloides | Buffalograss Buffalo grass | |
| Bouteloua eriopoda | Black grama | |
| Bouteloua gracilis | Blue grama | |
| Bouvardia ternifolia | Scarlet bouvardia Firecracker bush Trompetilla Clavillo | |
| Callicarpa americana | American beautyberry French mulberry | |
| Callirhoe involucrata | Winecup Purple poppy mallow | |
| Campsis radicans | Trumpet creeper Trumpet vine Common trumpet creeper Cow vine | |
| Carlowrightia texana | Texas wrightwort | |
| Centaurea americana | American star-thistle Basket-Flower Star thistle Shaving brush American basket-flower | |
| Cercis canadensis var. texensis | Texas redbud | |
| Celtis laevigata | Sugar hackberry Hackberry Sugarberry Texas sugarberry Palo blanco | |
| Celtis laevigata var. reticulata | Netleaf hackberry Netleaf sugar hackberry Sugar Hackberry Texas Sugarberry Palo Blanco Acibuche | |
| Cercocarpus ledifolius | Curl-leaf mountain mahogany Curl-leaf mountain-mahogany | |
| Cephalanthus occidentalis | Common buttonbush Buttonbush Button willow | |
| Chenopodium berlandieri | Pitseed goosefoot Lambs quarters | |
| Chamaesaracha coronopus | Green false nightshade Greenleaf five eyes | |
| Chloris cucullata | Hooded windmill grass Hooded windmillgrass | |
| Chenopodium incanum | Mealy goosefoot | |
| Chilopsis linearis | Desert willow Flowering willow Willow-leaved catalpa Trumpet flower | |
| Chrysactinia mexicana | Damianita | |
| Chamaesaracha sordida | False Nightshade Hairy five eyes | |
| Chaerophyllum tainturieri | Hairyfruit chervil Southern chervil | |
| Chloris verticillata | Tumble windmill grass Windmillgrass | |
| Cirsium texanum | Texas thistle | |
| Corydalis aurea | Scrambled eggs Golden corydalis | |
| Conyza canadensis | Canadian horseweed Horseweed | |
| Convolvulus equitans | Bindweed Texas bindweed | |
| Commelina erecta | Whitemouth dayflower Widow's tears Day flower White-mouth dayflower | |
| Coreopsis lanceolata | Lanceleaf coreopsis Lanceleaf tickseed Lance-leaved coreopsis Sand coreopsis | |
| Coreopsis tinctoria | Plains coreopsis Golden tickseed Goldenwave Calliopsis | |
| Cryptantha minima | Little cryptantha | |
| Croton texensis | Texas croton Doveweed | |
| Cucurbita foetidissima | Stinking gourd Buffalo gourd Missouri gourd Stink gourd Wild gourd | |
| Cyperus esculentus | Yellow nutsedge Chufa Sedge Yellow nut-grass | |
| Cyperus setigerus | Lean flatsedge | |
| Daucus pusillus | American wild carrot Rattlesnake-Weed Wild Carrot | |
| Dasylirion texanum | Texas sotol Sotol | |
| Descurainia pinnata | Tansy-mustard Western tansymustard | |
| Draba cuneifolia | Wedgeleaf draba Whitlow-grass | |
| Dyschoriste linearis | Snake herb Polkadots Narrowleaf dyschoriste | |
| Echinocereus reichenbachii | Lace Cactus Lace hedgehog cactus Órgano-pequeño de colores Purple candle | |
| Echinocactus texensis | Chisos Hedgehog Devil’s head Horse crippler | |
| Elymus canadensis | Canada wild rye Canadian wildrye Prairie wildrye Nodding wildrye | |
| Ephedra coryi | Cory's jointfir Cory's ephedra | |
| Ephedra torreyana | Torrey joint-fir Torrey's jointfir | |
| Eriogonum annuum | Annual buckwheat Wild Buckwheat | |
| Eragrostis curtipedicellata | Gummy lovegrass Gummy Lovegrass | |
| Eriogonum fasciculatum | Eastern Mojave buckwheat Eastern mojave wild buckwheat California buckwheat | |
| Ericameria laricifolia | Turpentine bush Larchleaf goldenweed Turpentine brush | |
| Erigeron modestus | Plains fleabane Prairie fleabane | |
| Eragrostis sessilispica | Tumble lovegrass | |
| Erodium texanum | Fillaree Pine needle Stork’s Bill Texas stork's bill Texas stork’s bill | |
| Eragrostis trichodes | Sand love grass Sand lovegrass | |
| Euphorbia spathulata | Warty spurge | |
| Eurytaenia texana | Texas spreadwing | |
| Evolvulus nuttallianus | Shaggy dwarf morning-glory Shaggy evolvulus Silky evolvulus | |
| Evax verna | Spring pygmycudweed | |
| Eysenhardtia texana | Texas kidneywood Kidneywood Bee-Brush Vara dulce | |
| Froelichia floridana | Plains snakecotton Snake-cotton | |
| Galium aparine | Catchweed Bedstraw Cleavers Stickywilly | |
| Gaura calcicola | Texas beeblossom Limestone Gaura | |
| Gaura coccinea | Scarlet beeblossom Scarlet gaura | |
| Gaillardia pinnatifida | Blanket flower Red dome blanketflower Red-dome blanket-flower Yellow gaillardia | |
| Gaillardia pulchella | Firewheel Indian Blanket | |
| Gaillardia suavis | Perfumeballs Pincushion daisy Fragrant gaillardia Rayless gaillardia | |
| Gleditsia triacanthos | Honey locust Common Honey-locust Honey-locust Thornless common honey-locust Honey shucks | |
| Grindelia squarrosa | Curlycup gumweed | |
| Helianthus annuus | Common sunflower | |
| Heterotheca canescens | Gray golden-aster Hoary false goldenaster | |
| Helianthus ciliaris | Texas blueweed | |
| Helenium microcephalum | Smallhead sneezeweed | |
| Hesperostipa neomexicana | New Mexico feathergrass | |
| Hesperaloe parviflora | Red yucca Coral yucca Red flowered false yucca Redflower false yucca Samandoque Yellow yucca | |
| Helianthus petiolaris | Prairie sunflower Plains sunflower | |
| Hilaria belangeri | Curly mesquite grass Curly mesquite | |
| Hordeum jubatum | Foxtail barley | |
| Hordeum pusillum | Little barley | |
| Hymenopappus flavescens | Yellow plainsman Collegeflower | |
| Hymenoxys odorata | Bitter rubberweed | |
| scientific name | common name(s) | image gallery |