Cross Timbers This EPA Level III ecoregion encompasses all or part of 35 Texas counties. With most of this ecoregion occurring in a swath from central Texas north, its northern reaches extend into southeastern Oklahoma. In Texas, this ecoregion covers approximately the same land area as the Texas Parks & Wildlife Department’s Cross Timbers and Prairies vegetative region. This collection lists only those taxa found in the Texas portion of the Cross Timbers ecoregion.
Scientific Name	Common Name	Duration	Habit	Sun	Water
Abutilon fruticosum	Indian Mallow, Texas Indian Mallow	Perennial	Herb	Sun	Dry
Acaciella angustissima	Prairie Acacia, Fern Acacia, Whiteball Acacia, Prairie Wattle, White-ball Acacia	Perennial	Shrub	Sun, Part-shade	Dry
Acaciella angustissima var. hirta	Prairie Acacia, Texas Prairie Acacia, Texas Fern Acacia, Prairie Wattle	Perennial	Subshrub	Sun, Shade, Part-shade	Moist, Dry
Acalypha gracilens	Slender Threeseed Mercury	Annual	Herb	Sun, Part-shade	Moist, Dry
Acalypha monococca	Slender Threeseed Mercury	Annual	Herb
Acalypha ostryifolia	Pineland Threeseed Mercury, Hop-hornbeam Copperleaf	Annual	Herb	Sun	Moist, Dry
Acalypha phleoides	Shrubby Copperleaf, Three-seeded Mercury	Perennial	Herb	Part-shade
Acalypha radians	Cardinal's Feather, Cardinal Feather	Perennial	Herb	Sun	Dry
Acalypha virginica	Virginia Threeseed Mercury	Annual	Herb	Part-shade
Acer grandidentatum	Bigtooth Maple, Big-toothed Maple, Uvalde Bigtooth Maple, Southwestern Bigtooth Maple, Canyon Maple, Sabinal Maple, Western Sugar Maple	Perennial	Shrub, Tree	Sun	Moist
Acer negundo	Box Elder, Box Elder Maple, Ash-leaved Maple, Ashleaf Maple, Red River Maple, Fresno De Guajuco	Perennial	Tree	Sun	Moist
Acer saccharinum	Silver Maple, Soft Maple, White Maple	Perennial	Tree	Sun, Shade, Part-shade	Moist
Achillea millefolium	Common Yarrow, Western Yarrow, Yarrow, Milfoil	Perennial	Herb	Sun, Part-shade	Dry
Acleisanthes longiflora	Angel's Trumpets, Angel Trumpets	Perennial	Herb	Sun	Moist, Dry
Acleisanthes obtusa	Berlandier's Trumpets, Vine Four O'Clock	Perennial	Vine	Sun, Part-shade	Dry
Acmella oppositifolia	Oppositeleaf Spotflower	Perennial	Herb
Acmella oppositifolia var. repens	Oppositeleaf Spotflower, Opposite-leaf Spotflower	Perennial	Herb	Sun
Adiantum capillus-veneris	Southern Maidenhair Fern, Common Maidenhair Fern, Maidenhair Fern, Venus Hair Fern	Perennial	Fern	Shade, Part-shade	Wet, Moist
Aesculus glabra	Ohio Buckeye, Texas Buckeye, Fetid Buckeye, Horse Chestnut	Perennial	Tree	Sun, Shade, Part-shade	Moist
Aesculus glabra var. arguta	Ohio Buckeye, White Buckeye, Texas Buckeye	Perennial	Tree	Part-shade	Wet, Moist
Aesculus pavia	Red Buckeye, Scarlet Buckeye , Firecracker Plant	Perennial	Shrub, Tree	Part-shade	Moist
Aesculus pavia var. pavia	Scarlet Buckeye, Red Buckeye, Southern Buckeye, Firecracker Plant	Perennial	Shrub, Tree	Part-shade	Moist, Dry
Agalinis fasciculata	Beach False Foxglove	Annual	Herb
Agalinis heterophylla	Prairie Agalinis, Prairie False-foxglove	Annual	Herb	Part-shade	Moist, Dry
Agalinis homalantha	San Antonio False Foxglove	Annual	Herb
Agalinis strictifolia	Stiffleaf False Foxglove	Annual	Herb
Agalinis tenuifolia	Slenderleaf False Foxglove	Annual	Herb	Sun, Part-shade
Agave americana	American Century Plant, Century Plant	Perennial	Cactus/Succulent	Sun	Dry
Ageratina havanensis	Shrubby Boneset, White Mistflower, White Shrub Mistflower, Havana Snakeroot	Perennial	Shrub	Sun, Part-shade	Dry
Agrostis hyemalis	Winter Bentgrass	Perennial	Grass/Grass-like	Part-shade
Allionia incarnata	Trailing Windmills, Trailing Four O'Clock, Pink Windmills, Trailing Allionia	Perennial	Herb
Allium canadense	Meadow Garlic, Wild Garlic, Wild Onion	Perennial	Grass/Grass-like	Sun	Moist
Allium canadense var. canadense	Meadow Garlic, Wild Onion, Canada Onion	Perennial	Herb	Part-shade	Dry
Allium canadense var. fraseri	Fraser Meadow Garlic, Fraser Meadow Garlic	Perennial	Herb
Allium canadense var. hyacinthoides	Hyacinth Meadow Garlic	Perennial	Herb
Allium canadense var. mobilense	Meadow Garlic, Wild Onion	Perennial	Herb	Part-shade	Dry
Allium drummondii	Drummond's Onion, Wild Garlic, Drummond Wild Onion	Perennial	Herb	Sun	Dry
Allium elmendorfii	Elmendorf's Onion	Perennial	Herb	Sun	Moist, Dry
Allium stellatum	Autumn Onion, Prairie Onion	Perennial	Herb	Part-shade	Moist
Allowissadula holosericea	Velvet-leaf Mallow, Chisos Mountain False Indianmallow	Perennial	Shrub	Part-shade	Moist
Alopecurus carolinianus	Carolina Foxtail	Annual	Grass/Grass-like
Alophia drummondii	Propeller Flower, Purple Pleat-leaf, Pinewoods Lily, Prairie Iris, Pleatleaf Iris	Perennial	Herb	Part-shade	Dry
Aloysia gratissima	Whitebrush, Bee-brush, White-brush, Common Bee-brush, Beebrush, Privet Lippia	Perennial	Shrub	Sun, Part-shade	Moist
Amaranthus hybridus	Slim Amaranth	Annual	Herb	Sun
Amaranthus palmeri	Carelessweed	Annual	Herb
Amaranthus polygonoides	Tropical Amaranth	Annual	Herb
Amaranthus powellii	Powell's Amaranth, Green Amaranth, Powell's Smooth Amaranth	Annual	Herb
Amaranthus retroflexus	Redroot Amaranth	Annual	Herb
Amaranthus scleropoides	Bonebract Amaranth	Annual	Herb	Sun	Moist
Amaranthus spinosus	Spiny Amaranth, Thorny Pigweed	Annual	Herb
Amaranthus tuberculatus	Roughfruit Amaranth, Water Hemp	Annual	Herb		Moist
Amblyolepis setigera	Huisache Daisy, Butterfly Daisy, Honey Daisy	Annual	Herb	Part-shade	Dry
Ambrosia artemisiifolia	Annual Ragweed, Short Ragweed	Annual	Herb	Sun, Shade, Part-shade	Dry
Ambrosia confertiflora	Weakleaf Bur Ragweed, Weak Leaved Burweed, Slimleaf Bursage	Perennial	Herb
Ambrosia psilostachya	Cuman Ragweed, Western Ragweed, Perennial Ragweed, Common Ragweed	Perennial	Herb	Sun, Part-shade	Dry
Ambrosia trifida	Great Ragweed, Giant Ragweed	Annual	Subshrub	Shade, Part-shade	Moist
Ambrosia trifida var. texana	Texan Great Ragweed, Giant Ragweed	Annual	Subshrub
Ammannia auriculata	Eared Redstem	Annual	Herb
Ammannia coccinea	Valley Redstem, Scarlet Tooth-cup	Annual	Herb	Sun
Ammoselinum popei	Plains Sandparsley	Annual	Herb
Amorpha canescens	Leadplant, Leadplant Amorpha, Prairie Shoestring	Perennial	Shrub	Sun, Part-shade	Dry
Amorpha fruticosa	Indigo Bush, False Indigo Bush, False Indigo, Desert False Indigo	Perennial	Shrub	Sun, Part-shade	Moist
Amorpha roemeriana	Roemer's False Indigo	Perennial	Shrub	Part-shade	Moist, Dry
Ampelopsis cordata	Heartleaf Peppervine, Heart-leaf Ampelopsis	Perennial	Vine	Part-shade	Dry
Amphiachyris amoena	Texas Broomweed	Annual	Herb
Amphiachyris dracunculoides	Prairie Broomweed, Broomweed	Annual	Herb
Amphicarpaea bracteata	American Hogpeanut	Annual	Vine
Amsinckia menziesii var. menziesii	Menzies' Fiddleneck	Annual	Herb
Amsonia ciliata	Fringed Bluestar, Bluestar, Texas Bluestar	Perennial	Herb	Part-shade	Dry
Amsonia longiflora	Tubular Bluestar, Trumpet Slimpod	Perennial	Herb
Amsonia longiflora var. salpignantha	Tubular Bluestar, Trumpet Slimpod	Perennial	Herb	Sun, Part-shade	Moist
Amsonia repens	Creeping Bluestar	Perennial	Herb
Amyris texana	Texas Torchwood, Chapotillo	Perennial	Shrub	Part-shade	Dry
Anagallis minima	Chaffweed	Annual	Herb
Andropogon gerardii	Big Bluestem, Tall Bluestem, Turkeyfoot	Perennial	Grass/Grass-like	Sun, Part-shade	Moist
Andropogon glomeratus	Bushy Bluestem, Brushy Bluestem	Perennial	Grass/Grass-like	Sun	Wet, Moist
Andropogon ternarius	Splitbeard Bluestem, Split Bluestem	Perennial	Grass/Grass-like	Sun, Part-shade	Dry
Andropogon virginicus	Broomsedge, Broomsedge Bluestem, Yellowsedge Bluestem, Whiskey Grass, Popotillo Pajon	Perennial	Grass/Grass-like	Part-shade	Moist
Androstephium coeruleum	Blue Funnel-lily, Prairie Lily, Funnel-flower, Fragrant Lily	Perennial	Herb
Anemone berlandieri	Tenpetal Anemone, Tenpetal Thimbleweed, Windflower, Southern Anemone, Granny's Nightcap	Perennial	Herb	Part-shade
Anemone caroliniana	Carolina Anemone, Carolina Thimbleweed, Southern Thimbleweed	Perennial	Herb	Sun
Antennaria parlinii	Parlin's Pussytoes, Ladies' Tobacco	Perennial	Herb	Sun	Dry
Antennaria parlinii ssp. fallax	Parlin's Pussytoes	Perennial	Herb
Aphanostephus pilosus	Hairy Dozedaisy	Annual	Herb
Aphanostephus ramosissimus	Plains Dozedaisy, Lazy Daisy	Annual	Herb
Aphanostephus ramosissimus var. ramosissimus	Plains Dozedaisy	Annual	Herb
Aphanostephus riddellii	Riddell's Dozedaisy, Lazy Daisy	Perennial	Herb	Sun	Moist
Aphanostephus skirrhobasis	Lazy Daisy, Arkansas Lazy Daisy, Arkansas Doze-daisy	Annual	Herb	Sun	Dry
Apios americana	Groundnut, Wild Potato, Indian Potato	Perennial	Vine	Shade	Wet, Moist
Apocynum cannabinum	Indian Hemp, Prairie Dogbane, Hemp Dogbane, Dogbane	Perennial	Herb	Part-shade	Moist
Aquilegia canadensis	Eastern Red Columbine, Wild Red Columbine	Perennial	Herb	Shade, Part-shade	Moist, Dry
Aquilegia chrysantha	Golden Columbine, Yellow Columbine, Southwestern Yellow Columbine	Perennial	Herb	Shade, Part-shade	Moist
Aquilegia chrysantha var. hinckleyana	Hinckley's Golden Columbine, Yellow Columbine, Hinckley Columbine, Capote Columbine	Perennial	Herb	Shade, Part-shade	Moist
Arabis petiolaris	Brazos Rockcress, Rock-cress, Brazos Rock-cress	Annual	Herb	Sun
Arbutus xalapensis	Texas Madrone, Madrone, Texas Arbutus, Manzanita, Xoxocote, Amazaquitl	Perennial	Tree	Sun, Part-shade	Dry
Arenaria benthamii	Hilly Sandwort	Annual	Herb	Sun, Part-shade	Moist
Argemone albiflora	Bluestem Pricklypoppy, White Pricklypoppy, White Prickly Poppy	Annual	Herb	Part-shade	Dry
Argemone albiflora ssp. texana	Texas Bluestem Pricklypoppy, Bluestem Pricklypoppy, White Pricklypoppy, White Prickly Poppy	Annual	Herb	Sun	Dry
Argemone aurantiaca	Texas Pricklypoppy, Texas Prickly Poppy	Annual, Biennial	Herb	Sun	Moist, Dry
Argemone polyanthemos	Crested Pricklypoppy, Annual Pricklepoppy, Bluestem Pricklepoppy, Bluestem Prickly Poppy, Pricklypoppy, Thistle Poppy, White Prickly Poppy, White Pricklypoppy	Annual	Herb	Sun	Dry
Argemone sanguinea	Red Pricklypoppy, Rose Prickly Poppy, Red Prickly Poppy	Annual	Herb	Part-shade	Dry
Argyrochosma dealbata	Powdery False Cloak Fern, Powdery Cloak Fern, False Cloak Fern	Perennial	Herb, Fern	Shade	Moist
Argythamnia aphoroides	Hill Country Silverbush	Perennial	Herb
Argythamnia humilis	Low Silverbush	Perennial	Subshrub	Sun, Part-shade	Dry
Argythamnia mercurialina	Tall Silverbush, Tall Wildmercury	Perennial	Subshrub
Argythamnia mercurialina var. mercurialina	Tall Silverbush, Tall Wild Mercury, Tall Ditaxis	Perennial	Subshrub
Argythamnia simulans	Plateau Silverbush, Tall Wild-mercury	Perennial	Herb
Arisaema dracontium	Green Dragon, Dragonroot, Greendragon	Perennial	Herb	Sun, Shade	Moist
Arisaema triphyllum	Jack In The Pulpit, Indian Jack In The Pulpit, Jack-in-the-pulpit	Perennial	Herb	Sun, Shade	Wet, Moist
Aristida desmantha	Curly Threeawn	Annual	Grass/Grass-like
Aristida dichotoma	Churchmouse Threeawn	Annual	Grass/Grass-like
Aristida lanosa	Woollysheath Threeawn, Woolly Three-awn	Perennial	Grass/Grass-like
Aristida longespica	Slimspike Threeawn, Kearney's Three-awn, Red Three-awn, Slender Three-awn	Annual	Grass/Grass-like
Aristida oligantha	Prairie Threeawn, Oldfield (Prairie) 3-awn, Oldfield Threeawn	Annual	Grass/Grass-like	Sun	Dry
Aristida purpurascens	Arrowfeather Threeawn	Perennial	Grass/Grass-like
Aristida purpurea	Purple Threeawn, Purple 3-awn, Purple Three-awn, Red Threeawn	Annual	Grass/Grass-like	Sun	Dry
Aristida purpurea var. longiseta	Red Three-awn, Fendler Three-awn, Purple Threeawn	Perennial	Grass/Grass-like	Sun	Dry
Aristida purpurea var. nealleyi	Blue Threeawn	Perennial	Grass/Grass-like	Sun	Dry
Aristolochia reticulata	Texas Dutchman's Pipe	Perennial	Herb	Sun, Part-shade	Moist
Aristolochia serpentaria	Virginia Snakeroot, Virginia Dutchmanspipe	Perennial	Herb	Shade	Dry
Aristolochia tomentosa	Woolly Dutchman's Pipe, Common Dutchman's Pipe	Perennial	Vine	Part-shade	Moist
Arnoglossum plantagineum	Groovestem Indian Plantain, Indian Plantain, Prairie Plantain, Prairie Indian Plantain	Perennial	Herb	Sun	Moist
Artemisia campestris	Field Sagewort	Biennial	Herb		Dry
Artemisia campestris ssp. caudata	Field Sagewort	Biennial	Herb	Sun
Artemisia ludoviciana ssp. mexicana	White Sagebrush, Louisiana Wormwood, Cudweed Sagewort, Gray Sagewort, Mugwort Wormwood, Prairie Sage	Perennial	Herb, Subshrub
Arundinaria gigantea	Giant Cane, River Cane, Switch Cane, American Bamboo	Perennial	Grass/Grass-like	Part-shade	Wet
Asclepias amplexicaulis	Clasping Milkweed, Bluntleaf Milkweed	Perennial	Herb
Asclepias asperula	Antelope-horns, Spider Milkweed, Green-flowered Milkweed, Spider Antelope-horns, Antelope Horns	Perennial	Herb	Sun	Moist, Dry
Asclepias emoryi	Emory's Milkweed	Perennial	Herb
Asclepias engelmanniana	Engelmann's Milkweed	Perennial	Herb
Asclepias incarnata	Swamp Milkweed, Pink Milkweed	Perennial	Herb	Sun, Part-shade	Wet, Moist
Asclepias incarnata ssp. incarnata	Swamp Milkweed	Perennial	Herb	Sun	Wet, Moist
Asclepias oenotheroides	Zizotes Milkweed, Hierba De Zizotes, Side-cluster Milkweed, Longhorn Milkweed, Primrose Milkweed, Lindheimer's Milkweed	Perennial	Herb	Sun	Dry
Asclepias stenophylla	Slimleaf Milkweed, Narrowleaf Milkweed, Narrowleaf Green Milkweed	Perennial	Herb	Sun	Dry
Asclepias subverticillata	Horsetail Milkweed, Poison Milkweed	Perennial	Herb
Asclepias texana	Texas Milkweed, White Milkweed	Perennial	Herb	Sun	Dry
Asclepias tuberosa	Butterflyweed, Butterfly Weed, Butterfly Milkweed, Orange Milkweed, Pleurisy Root, Chigger Flower, Chiggerweed	Perennial	Herb	Sun	Moist, Dry
Asclepias verticillata	Whorled Milkweed, Eastern Whorled Milkweed	Perennial	Herb	Sun, Part-shade	Dry
Asclepias viridiflora	Green Comet Milkweed, Green-flowered Milkweed, Green Milkweed, Wand Milkweed	Perennial	Herb	Sun	Dry
Asclepias viridis	Green Milkweed, Spider Milkweed	Perennial	Herb	Sun	Moist
Asimina triloba	Pawpaw, Common Pawpaw, Custard Apple, Indian Banana, Wild Banana	Perennial	Tree	Sun, Shade, Part-shade	Moist
Asplenium platyneuron	Ebony Spleenwort	Perennial	Fern	Shade, Part-shade	Moist
Asplenium resiliens	Blackstem Spleenwort	Perennial	Herb, Fern
Astragalus canadensis	Canadian Milkvetch, Canada Milkvetch, Milk Vetch	Perennial	Herb	Sun, Part-shade	Wet, Dry
Astragalus crassicarpus	Groundplum Milkvetch, Ground Plum	Perennial	Herb	Sun, Shade, Part-shade	Moist, Dry
Astragalus crassicarpus var. berlandieri	Berlandier's Groundplum, Groundplum Milkvetch, Groundplum	Perennial	Herb	Sun	Dry
Astragalus crassicarpus var. crassicarpus	Groundplum Milkvetch	Perennial	Herb
Astragalus distortus	Ozark Milkvetch, Bent Milk Vetch , Bentpod Milkvetch	Perennial	Herb
Astragalus leptocarpus	Rare Loco Milkvetch, Slimpod Milkvetch	Annual	Herb
Astragalus lindheimeri	Lindheimer's Milkvetch, Lindheimer's Astragulus	Annual	Herb	Sun	Dry
Astragalus lotiflorus	Lotus Milkvetch, Lotus Milk-vetch, Low Milkvetch, Milkvetch	Perennial	Herb
Astragalus missouriensis	Missouri Milkvetch	Perennial	Subshrub
Astragalus nuttallianus	Nuttall's Milkvetch, Small-flowered Milkvetch	Annual	Herb
Astragalus plattensis	Platte River Milkvetch	Perennial	Herb	Sun	Dry
Astragalus pleianthus	Edwards Plateau Milkvetch	Annual	Herb
Astranthium integrifolium	Entireleaf Western Daisy	Annual	Herb
Astranthium integrifolium ssp. ciliatum	Entireleaf Western Daisy	Annual	Herb
Astrolepis integerrima	Hybrid Cloakfern	Perennial	Herb, Fern
Athyrium filix-femina	Common Lady Fern, Subarctic Lady Fern, Lady Fern, Ladyfern	Perennial	Herb, Fern	Shade, Part-shade	Wet, Moist
Atriplex canescens	Chamiso, Four-wing Saltbush, Wing-scale	Perennial	Shrub	Part-shade	Dry
Azolla caroliniana	Carolina Mosquitofern	Annual	Fern
Baccharis neglecta	False Willow, Jara Dulce, Poverty Weed, Roosevelt Weed	Perennial	Shrub	Part-shade	Dry
Baccharis salicina	Willow Baccharis, Great Plains False Willow	Perennial	Shrub	Sun
Baccharis texana	Prairie False Willow, Prairie Baccharis	Perennial	Subshrub	Sun
Bacopa monnieri	Herb-of-grace, Water Hyssop, Coastal Water-hyssop	Perennial	Herb	Sun, Part-shade	Wet, Moist
Bacopa rotundifolia	Disk Waterhyssop, Disc Water-hyssop	Perennial	Herb	Sun
Baptisia australis	Blue Wild Indigo, Wild Blue Indigo, Blue False Indigo	Perennial	Herb	Sun	Moist
Baptisia australis var. minor	Blue Wild Indigo	Perennial	Herb	Sun, Part-shade	Moist, Dry
Baptisia bracteata	Longbract Wild Indigo	Perennial	Herb	Sun, Part-shade	Moist, Dry
Baptisia bracteata var. laevicaulis	Longbract Wild Indigo	Perennial	Herb	Sun	Moist, Dry
Baptisia bracteata var. leucophaea	Longbract Wild Indigo, Cream False Indigo, Plains Wild Indigo, Cream Wild Indigo, Large-bracted Wild Indigo	Perennial	Herb	Part-shade	Moist
Baptisia nuttalliana	Nuttall's Wild Indigo	Perennial	Herb	Sun, Part-shade
Baptisia sphaerocarpa	Yellow Wild Indigo, Green Wild Indigo, Bush Pea, Yellow Wisteria	Perennial	Herb
Berchemia scandens	Alabama Supplejack, Alabama Supple-jack, Rattan-vine	Perennial	Vine	Shade, Part-shade	Moist
Berlandiera betonicifolia	Texas Greeneyes, Broochflower	Perennial	Herb	Part-shade	Moist
Berlandiera lyrata	Chocolate Daisy, Chocolate Flower, Lyreleaf Greeneyes, Green-eyed Lyre Leaf	Perennial	Herb	Sun, Part-shade	Moist
Berlandiera pumila	Soft Greeneyes	Perennial	Herb	Part-shade	Dry
Berlandiera pumila var. pumila	Soft Greeneyes	Perennial	Herb, Subshrub
Bidens bipinnata	Spanish Needles	Annual	Herb
Bidens frondosa	Devil's Beggartick, Spanish Needles	Annual	Herb	Part-shade
Bidens laevis	Smooth Beggartick, Smooth Bidens, Smooth Bur Marigold, Larger Bur Marigold	Annual	Herb	Sun, Part-shade	Wet, Moist
Bifora americana	Prairie Bishop, Prairie Bishop's Weed	Annual	Herb	Sun, Part-shade
Bignonia capreolata	Crossvine	Perennial	Vine	Sun, Part-shade	Moist, Dry
Blutaparon vermiculare	Silverhead	Perennial	Herb
Boehmeria cylindrica	Smallspike False Nettle, Bog Hemp	Perennial	Herb	Sun, Shade, Part-shade	Moist
Boerhavia coccinea	Scarlet Spiderling	Perennial	Herb
Boerhavia diffusa	Red Spiderling	Annual, Perennial	Herb
Boerhavia erecta	Erect Spiderling, Common Spiderling	Annual	Herb
Boerhavia linearifolia	Narrowleaf Spiderling	Perennial	Subshrub
Bolboschoenus robustus	Sturdy Bulrush	Perennial	Grass/Grass-like	Sun	Wet
Boltonia diffusa	Doll's Daisy, Smallhead Doll's Daisy	Perennial	Herb		Wet, Moist, Dry
Bothriochloa barbinodis	Pinhole Bluestem, Cane Bluestem, Cane Beardgrass, Feather Bluestem, Plains Beardgrass	Perennial	Grass/Grass-like	Sun	Dry
Bothriochloa hybrida	Hybrid Beardgrass	Perennial	Grass/Grass-like
Bothriochloa laguroides	Silver Bluestem, Silver Beardgrass	Perennial	Grass/Grass-like
Bothriochloa laguroides ssp. torreyana	Silver Bluestem, Silver Beardgrass, Silver Beard Grass	Perennial	Grass/Grass-like	Sun	Moist, Dry
Botrychium virginianum	Rattlesnake Fern	Perennial	Herb, Fern	Shade	Moist
Bouchetia erecta	Erect Bouchetia, Painted-tongue, Paintedtongue, Painted Tongue	Perennial	Herb	Sun	Moist
Bouteloua barbata	Sixweeks Grama	Annual	Grass/Grass-like
Bouteloua curtipendula	Sideoats Grama, Banderilla, Banderita, Navajita	Perennial	Grass/Grass-like	Sun, Part-shade	Moist, Dry
Bouteloua dactyloides	Buffalograss, Buffalo Grass	Perennial	Grass/Grass-like	Sun	Dry
Bouteloua gracilis	Blue Grama	Perennial	Grass/Grass-like	Sun	Dry
Bouteloua hirsuta	Hairy Grama	Perennial	Grass/Grass-like	Part-shade	Dry
Bouteloua hirsuta var. pectinata	Tall Grama, Hairy Grama	Perennial	Grass/Grass-like
Bouteloua rigidiseta	Texas Grama	Perennial	Grass/Grass-like	Sun	Dry
Bouteloua trifida	Red Grama	Perennial	Grass/Grass-like	Sun
Bouteloua uniflora	Oneflower Grama	Perennial	Grass/Grass-like
Bowlesia incana	Hoary Bowlesia	Annual	Herb
Brazoria truncata	Rattlesnake Flower	Annual	Herb
Brickellia cylindracea	Gravel-bar Brickellbush	Perennial	Herb	Sun, Part-shade	Moist, Dry
Brickellia dentata	Leafy Brickellbush	Perennial	Subshrub
Brickellia eupatorioides	False Boneset	Perennial	Herb
Brickellia eupatorioides var. texana	Texas False Boneset	Perennial	Herb, Subshrub	Sun	Dry
Bromus pubescens	Hairy Woodland Brome	Perennial	Grass/Grass-like
Buchnera americana	American Bluehearts, Bluehearts	Annual	Herb	Sun	Moist
Bulbostylis capillaris	Densetuft Hairsedge, Hair-sedge	Annual	Grass/Grass-like
Bulbostylis ciliatifolia	Capillary Hairsedge	Annual, Perennial	Grass/Grass-like
Callicarpa americana	American Beautyberry , French Mulberry	Perennial	Shrub	Part-shade	Moist
Callirhoe alcaeoides	Light Poppymallow, Plains Poppy-mallow, Light Poppy-mallow, Pink Poppy-mallow, Light Poppy Mallow	Perennial	Herb	Sun
Callirhoe involucrata	Winecup, Purple Poppy Mallow	Perennial	Herb	Sun, Part-shade	Moist, Dry
Callirhoe involucrata var. lineariloba	White Poppymallow, Winecup, Poppy Mallow, White Winecup, Purple Poppy Mallow	Perennial	Herb	Sun	Moist, Dry
Callirhoe leiocarpa	Tall Poppymallow, Annual Winecup, Tall Poppy-mallow, Tall Poppy Mallow	Annual	Herb	Part-shade	Moist
Callirhoe pedata	Palmleaf Poppymallow, Standing Winecup, Finger Poppymallow, Palmleaf Poppy Mallow	Perennial	Herb	Sun, Part-shade	Moist, Dry
Callitriche heterophylla	Two-headed Water-starwort	Annual	Herb	Sun
Callitriche heterophylla ssp. heterophylla	Two-headed Water-starwort, Varied-leaved Water-starwort, Diverse-leaved Water-starwort	Annual	Herb
Callitriche pedunculosa	Nuttall's Water-starwort	Annual	Herb
Callitriche peploides	Matted Water-starwort	Annual	Herb
Callitriche terrestris	Terrestrial Water-starwort	Annual	Herb	Part-shade	Moist, Dry
Calylophus berlandieri	Berlandier's Sundrops , Square-bud Primrose, Sundrops	Perennial	Herb	Sun, Part-shade	Moist
Calylophus berlandieri ssp. berlandieri	Berlandier's Sundrops, Drummond Sundrops, Square-bud Primrose	Perennial	Subshrub
Calylophus berlandieri ssp. pinifolius	Berlandier's Sundrops, Square-bud Primrose, Sundrops, Square-bud Day-primrose	Perennial	Shrub	Part-shade	Dry
Calylophus hartwegii	Hartweg's Sundrops, Western Primrose	Perennial	Herb	Part-shade	Dry
Calylophus hartwegii ssp. pubescens	Hartweg's Sundrops, Grand Prairie Evening Primrose	Perennial	Subshrub
Calylophus serrulatus	Yellow Sundrops, Yellow Evening Primrose, Plains Evening Primrose	Perennial	Herb	Sun	Dry
Calystegia macounii	Macoun's False Bindweed, Hedge Bindweed	Perennial	Vine
Calystegia sepium	Hedge False Bindweed, Hedge Bindweed	Perennial	Vine	Sun, Shade, Part-shade	Moist
Camassia scilloides	Atlantic Camas, Wild Hyacinth	Perennial	Herb	Shade, Part-shade	Dry
Campanula reverchonii	Basin Bellflower, Texas Bluebell	Annual	Herb	Sun	Moist
Campsis radicans	Trumpet Creeper, Trumpet Vine, Common Trumpet Creeper, Cow Vine, Foxglove Vine, Hellvine, Devil's Shoestring	Perennial	Vine	Sun	Moist, Dry
Capsicum annuum	Chile Tepin, Chile Pequin, Chiltepin, Chile Petin, Bird Pepper, Turkey Pepper , Cayenne Pepper	Annual, Perennial	Herb	Sun, Shade, Part-shade	Moist
Capsicum annuum var. glabriusculum	Chile Pequin, Chile Tepin, Bird Pepper, Turkey Pepper, Cayenne Pepper	Annual	Subshrub
Cardamine bulbosa	Bulbous Bittercress, Spring Cress	Perennial	Herb	Shade	Wet
Cardamine parviflora	Sand Bittercress	Annual	Herb	Sun, Part-shade	Moist, Dry
Cardamine parviflora var. arenicola	Sand Bittercress	Annual	Herb
Carex albicans	Whitetinge Sedge	Perennial	Grass/Grass-like	Shade, Part-shade	Dry
Carex amphibola	Eastern Narrowleaf Sedge, Creek Sedge	Perennial	Grass/Grass-like	Shade, Part-shade	Wet, Moist
Carex austrina	Southern Sedge	Perennial	Herb, Grass/Grass-like
Carex blanda	Eastern Woodland Sedge, Creek Sedge, Common Wood Sedge	Perennial	Grass/Grass-like	Sun, Shade, Part-shade	Moist, Dry
Carex brevior	Shortbeak Sedge	Perennial	Grass/Grass-like
Carex bulbostylis	False Hair Sedge	Perennial	Grass/Grass-like
Carex bushii	Bush's Sedge	Perennial	Grass/Grass-like
Carex cherokeensis	Cherokee Sedge	Perennial	Grass/Grass-like	Part-shade	Wet, Moist
Carex corrugata	Prune-fruit Sedge	Perennial	Grass/Grass-like
Carex crinita	Fringed Sedge	Perennial	Grass/Grass-like	Shade, Part-shade	Wet, Moist
Carex crus-corvi	Ravenfoot Sedge	Perennial	Grass/Grass-like
Carex edwardsiana	Edwards Plateau Sedge	Perennial	Grass/Grass-like
Carex emoryi	Emory's Sedge, Emory Sedge	Perennial	Grass/Grass-like	Sun, Part-shade	Wet
Carex frankii	Frank's Sedge	Perennial	Grass/Grass-like	Sun, Shade, Part-shade	Wet
Carex gravida	Heavy Sedge	Perennial	Grass/Grass-like
Carex grisea	Inflated Narrow-leaf Sedge	Perennial	Grass/Grass-like
Carex hyalinolepis	Shoreline Sedge	Perennial	Grass/Grass-like	Shade, Part-shade	Wet, Moist
Carex hystericina	Bottlebrush Sedge	Perennial	Grass/Grass-like	Sun, Shade, Part-shade	Moist
Carex leavenworthii	Leavenworth's Sedge	Perennial	Grass/Grass-like
Carex longii	Long's Sedge	Perennial	Grass/Grass-like
Carex lurida	Shallow Sedge, Sallow Sedge, Lurid Sedge	Perennial	Grass/Grass-like	Part-shade	Wet
Carex meadii	Mead's Sedge	Perennial	Grass/Grass-like
Carex microdonta	Littletooth Sedge	Perennial	Grass/Grass-like
Carex microrhyncha	Littlesnout Sedge	Perennial	Grass/Grass-like
Carex muehlenbergii	Muhlenberg's Sedge	Perennial	Grass/Grass-like
Carex muehlenbergii var. muehlenbergii	Muhlenberg's Sedge	Perennial	Grass/Grass-like	Sun	Dry
Carex perdentata	Sand Sedge, Meadow Sedge	Perennial	Grass/Grass-like	Sun	Moist
Carex planostachys	Cedar Sedge	Perennial	Grass/Grass-like	Part-shade	Dry
Carex reniformis	Kidneyshape Sedge	Perennial	Grass/Grass-like
Carex retroflexa	Reflexed Sedge	Perennial	Herb, Grass/Grass-like	Sun, Part-shade	Moist, Dry
Carex tetrastachya	Britton's Sedge	Perennial	Grass/Grass-like
Carex texensis	Texas Sedge	Perennial	Grass/Grass-like	Sun, Part-shade	Moist, Dry
Carex vulpinoidea	Fox Sedge, Brown Fox Sedge	Perennial	Grass/Grass-like	Sun	Wet, Moist
Carex vulpinoidea var. vulpinoidea	Fox Sedge	Perennial	Grass/Grass-like
Carlowrightia texana	Texas Wrightwort	Perennial	Subshrub	Sun	Dry
Carya aquatica	Water Hickory, Bitter Water Hickory, Bitter Hickory, Swamp Hickory, Water Pignut Hickory, Water Pignut, Bitter Pecan	Perennial	Tree	Part-shade	Wet
Carya glabra	Pignut Hickory, Sweet Pignut Hickory, Coast Pignut Hickory, Pignut, Sweet Pignut, Smoothbark Hickory, Broom Hickory, Red Hickory, Swamp Hickory, Switch Hickory, Switchbud Hickory	Perennial	Tree	Sun, Shade, Part-shade	Dry
Carya illinoinensis	Pecan	Perennial	Tree	Sun	Moist
Carya texana	Black Hickory, Buckley Hickory, Pignut Hickory	Perennial	Tree	Part-shade	Dry
Castela erecta	Goatbush	Perennial	Shrub, Tree
Castela erecta ssp. texana	Texan Goatbush, Goat-bush, Allthorn Goatbush, Amargoso	Perennial	Shrub	Part-shade	Dry
Castilleja indivisa	Texas Indian Paintbrush, Entireleaf Indian Paintbrush, Texas Paintbrush, Indian Paintbrush, Scarlet Paintbrush	Annual	Herb	Sun	Dry
Castilleja integra	Wholeleaf Indian Paintbrush, Squawfeather	Perennial	Herb	Sun
Castilleja integra var. integra	Wholeleaf Indian Paintbrush	Perennial	Subshrub
Castilleja purpurea	Prairie Paintbrush, Downy Indian Paintbrush, Purple Paintbrush, Lemon Paintbrush, Purple Painted Cup	Perennial	Herb	Sun	Dry
Castilleja purpurea var. citrina	Lemon Paintbrush, Yellow Paintbrush, Yellow Prairie Paintbrush, Citron Paintbrush, Prairie Paintbrush, Prairie Indian Paintbrush	Perennial	Herb	Sun	Dry
Castilleja purpurea var. lindheimeri	Lindheimer's Paintbrush, Lindheimer's Prairie Paintbrush, Lindheimer's Indian Paintbrush, Prairie Paintbrush	Perennial	Herb	Sun	Dry
Castilleja purpurea var. purpurea	Purple Paintbrush, Purple Prairie Painbrush, Prairie Paintbrush, Downy Indian Paintbrush	Perennial	Herb	Sun	Dry
Catalpa speciosa	Northern Catalpa, Catalpa Tree, Cigar Tree, Indian Bean	Perennial	Tree	Part-shade	Moist
Ceanothus americanus	New Jersey Tea, Redroot	Perennial	Shrub	Sun, Part-shade	Moist, Dry
Ceanothus herbaceus	Prairie Redroot, Smaller Redroot, Small Redroot, Inland Ceanothus, Fuzzy Ceanothus, Jersey Tea, Redroot	Perennial	Shrub	Sun	Dry
Celtis ehrenbergiana	Desert Hackberry, Spiny Hackberry, Shiny Hackberry, Granjeno, Huasteco	Perennial	Shrub	Sun, Part-shade	Dry
Celtis laevigata	Sugar Hackberry, Texas Sugarberry, Sugarberry, Southern Hackberry, Lowland Hackberry, Hackberry, Palo Blanco	Perennial	Tree	Part-shade	Dry
Celtis laevigata var. reticulata	Netleaf Hackberry, Netleaf Sugar Hackberry, Western Hackberry, Sugar Hackberry, Texas Sugarberry, Palo Blanco, Acibuche	Perennial	Tree	Part-shade
Cenchrus echinatus	Southern Sandbur	Annual	Grass/Grass-like
Cenchrus spinifex	Grass Bur, Coastal Sandbur, Field Sandspur, Southern Sandbur, Spiny Burrgrass	Annual	Grass/Grass-like	Sun, Part-shade	Moist, Dry
Centaurea americana	American Basket-flower, American Star-thistle, Basket-flower, Star Thistle, Shaving Brush, Basket Flower	Annual	Herb	Sun, Part-shade	Dry
Centaurium beyrichii	Mountain Pink, Meadow Pink, Catchfly, Quinineweed	Annual	Herb	Part-shade	Dry
Centaurium calycosum	Arizona Centaury, Shortflower Centaury, Rosita, Buckley Centaury	Annual	Herb
Centaurium texense	Lady Bird's Centaury, Texas Centaury	Annual	Herb	Sun, Part-shade
Centella erecta	Erect Centella, Erect Spadeleaf	Perennial	Herb	Sun	Moist
Centrosema virginianum	Spurred Butterfly Pea, Butterfly Pea	Perennial	Vine	Shade, Part-shade	Moist, Dry
Cephalanthus occidentalis	Common Buttonbush, Buttonbush, Button Willow, Honey Bells, Honeybells, Honey Balls, Honeyballs, Button-bush	Perennial	Shrub	Shade, Part-shade	Wet, Moist
Cerastium brachypodum	Short-stalk Chickweed, Shortstalk Chickweed	Annual, Perennial	Herb
Ceratophyllum demersum	Coon's Tail	Perennial	Herb	Part-shade
Cercis canadensis	Eastern Redbud, Redbud	Perennial	Tree	Shade, Part-shade	Moist
Cercis canadensis var. texensis	Texas Redbud	Perennial	Tree	Sun, Part-shade	Dry
Cevallia sinuata	Stinging Serpent, Stinging Cevallia	Perennial	Herb
Chaerophyllum tainturieri	Hairyfruit Chervil, Southern Chervil	Annual	Herb
Chaetopappa asteroides	Arkansas Leastdaisy, Least Daisy	Annual	Herb
Chaetopappa bellidifolia	Whiteray Leastdaisy, Dwarf White Aster, Edwards Lazy Daisy	Annual	Herb	Sun
Chaetopappa ericoides	Rose Heath, Rose-heath	Perennial	Herb, Subshrub
Chamaecrista fasciculata	Partridge Pea, Sleepingplant, Sensitive Plant	Annual	Herb	Sun, Part-shade	Moist, Dry
Chamaecrista fasciculata var. fasciculata	Partridge Pea, Showy Partridge-pea, Beeflower	Annual	Herb	Sun
Chamaecrista flexuosa var. texana	Texas Sensitive Pea	Perennial	Herb
Chamaecrista nictitans	Sensitive Partridge Pea, Partridge-pea, Sensitive Pea	Annual	Herb	Sun
Chamaecrista nictitans ssp. nictitans	Sensitive Partridge Pea, Partridge Pea	Annual	Subshrub
Chamaesaracha coniodes	Gray Five Eyes, False Nightshade, Ground Saracha, Prostrate Ground-cherry	Perennial	Herb	Part-shade
Chamaesaracha coronopus	Greenleaf Five Eyes, Green False Nightshade	Perennial	Herb
Chamaesaracha edwardsiana	Edwards Plateau Five Eyes	Perennial	Subshrub	Sun, Part-shade
Chamaesaracha sordida	Hairy Five Eyes, False Nightshade	Perennial	Herb
Chamaesyce acuta	Pointed Sandmat	Perennial	Herb
Chamaesyce albomarginata	Whitemargin Sandmat, Rattlesnake-weed	Perennial	Herb
Chamaesyce angusta	Blackfoot Sandmat, Narrow-leaf Spurge	Perennial	Herb
Chamaesyce cordifolia	Heartleaf Sandmat	Annual	Herb
Chamaesyce fendleri	Fendler's Sandmat, Fendler's Spurge, Fendler's Carpetweed, Fendler's Euphorb	Perennial	Herb
Chamaesyce glyptosperma	Ribseed Sandmat, Rib-seeded Sand Mat	Annual	Herb
Chamaesyce hypericifolia	Graceful Sandmat, Graceful Spurge, Chickenweed, Large-spotted Spurge, Garden Spurge, Fluxweed, Baby's-breath Euphorbia	Annual	Herb
Chamaesyce hyssopifolia	Hyssopleaf Sandmat	Annual, Perennial	Herb
Chamaesyce lata	Hoary Sandmat, Hoary Euphorbia	Perennial	Herb
Chamaesyce maculata	Spotted Spurge, Spotted Euphorbia, Spotted Sandmat, Milk Purslane, Prostrate Spurge	Annual	Herb	Sun	Dry
Chamaesyce missurica	Prairie Sandmat, Missouri Spurge	Annual	Herb
Chamaesyce nutans	Nodding Spurge, Eyebane	Annual	Herb	Sun	Dry
Chamaesyce prostrata	Prostrate Spurge, Prostrate Sandmat, Ground Spurge	Annual	Herb	Sun, Part-shade	Dry
Chamaesyce serpens	Matted Sandmat, Prostrate Spurge, Creeping Spurge	Annual	Herb
Chamaesyce villifera	Hairy Sandmat	Perennial	Herb
Chaptalia texana	Texas Silverpuff, Silverpuff, Nodding Lettuce, Silver Puff	Perennial	Herb	Shade, Part-shade	Dry
Chasmanthium latifolium	Inland Sea Oats, Indian Wood Oats, Wild Oats, River Oats, Flathead Oats, Upland Oats, Upland Sea Oats	Perennial	Grass/Grass-like	Shade, Part-shade	Moist
Cheilanthes alabamensis	Alabama Lipfern	Perennial	Herb, Fern
Cheilanthes feei	Slender Lipfern	Perennial	Fern
Cheilanthes horridula	Rough Lipfern	Perennial	Fern	Sun	Dry
Cheilanthes lanosa	Hairy Lipfern	Perennial	Fern	Sun, Part-shade
Cheilanthes lindheimeri	Fairy-swords	Perennial	Fern
Cheilanthes tomentosa	Woolly Lipfern	Perennial	Herb, Fern	Sun, Part-shade
Chenopodium album	Lambsquarters	Annual	Herb	Sun, Shade, Part-shade	Dry
Chenopodium berlandieri	Pitseed Goosefoot, Lambs Quarters	Annual	Herb
Chenopodium incanum	Mealy Goosefoot	Annual	Herb	Sun	Moist
Chenopodium simplex	Mapleleaf Goosefoot	Annual	Herb	Sun, Part-shade	Moist, Dry
Chenopodium standleyanum	Standley's Goosefoot	Annual	Herb
Chilopsis linearis	Desert Willow, Flowering Willow, Willow-leaved Catalpa, Willowleaf Catalpa, Bow Willow, Flor De Mimbre, Mimbre	Perennial	Tree	Sun	Moist, Dry
Chloracantha spinosa	Spiny Chloracantha, Mexican Devil-weed	Perennial	Herb
Chloris andropogonoides	Slimspike Windmill Grass	Perennial	Grass/Grass-like	Sun	Moist, Dry
Chloris cucullata	Hooded Windmill Grass, Hooded Windmillgrass	Perennial	Grass/Grass-like	Part-shade	Moist
Chloris verticillata	Tumble Windmill Grass, Windmillgrass	Perennial	Grass/Grass-like	Sun, Part-shade
Chloris virgata	Feather Fingergrass, Showy Chloris	Annual	Grass/Grass-like	Part-shade	Dry
Chrysactinia mexicana	Damianita	Perennial	Subshrub, Shrub	Sun	Dry
Chrysopsis pilosa	Soft Goldenaster, Soft Golden-aster	Annual	Herb	Sun, Part-shade
Cicuta maculata	Spotted Water Hemlock, Water-hemlock, Beaver Poison	Biennial	Herb		Wet
Cirsium altissimum	Tall Thistle	Biennial	Herb	Sun, Part-shade	Moist, Dry
Cirsium discolor	Field Thistle	Biennial	Herb	Sun	Dry
Cirsium horridulum	Bristle Thistle, Yellow Thistle, Horrid Thistle, Purple Thistle, Spiny Thistle, Bull Thistle	Annual	Herb
Cirsium ochrocentrum	Yellowspine Thistle	Biennial	Herb
Cirsium texanum	Texas Thistle	Biennial	Herb	Sun	Dry
Cirsium undulatum	Wavyleaf Thistle, Plumed Thistle	Biennial	Herb
Cissus trifoliata	Cow-itch Vine, Cow Itch Vine, Sorrelvine, Grape Ivy, Possum Grape, Arizona Grape Ivy	Perennial	Vine	Part-shade
Claytonia virginica	Virginia Springbeauty, Springbeauty	Perennial	Herb	Part-shade	Moist
Clematis drummondii	Old Man's Beard, Drummond's Clematis, Texas Virgin's Bower, Goat's Beard	Perennial	Vine	Sun, Part-shade	Moist, Dry
Clematis pitcheri	Purple Leatherflower, Purple Clematis, Leatherflower, Bluebill, Bellflower Clematis, Pitcher's Clematis	Perennial	Vine	Sun, Part-shade	Moist
Clematis reticulata	Netleaf Leather Flower	Perennial	Vine	Sun, Part-shade
Clematis virginiana	Devil's Darning Needles, Virgin's Bower, Old Man's Beard	Perennial	Vine	Sun, Shade, Part-shade	Moist, Dry
Cleomella angustifolia	Narrowleaf Rhombopod, Cleomella	Annual	Herb
Clinopodium arkansanum	Limestone Calamint	Perennial	Herb	Sun	Moist
Clinopodium brownei	Browne's Savory, St. John's Mint, Creeping Charlie, Lornatee	Perennial	Herb	Sun	Moist
Clitoria mariana	Atlantic Pigeonwings, Butterfly Pea	Perennial	Vine	Sun, Part-shade	Dry
Cnidoscolus texanus	Texas Bullnettle, Bull Nettle, Tread-softly, Spurge Nettle	Perennial	Herb
Cocculus carolinus	Carolina Snailseed, Carolina Coralbead, Carolina Moonseed, Red Berried Moonseed, Carolina Red Berried Moonseed	Perennial	Vine	Part-shade	Moist
Coelorachis cylindrica	Cylinder Jointtail Grass, Carolina Joint-tail	Perennial	Grass/Grass-like	Sun, Part-shade	Moist
Collinsia violacea	Violet Blue-eyed Mary	Annual	Herb
Colubrina texensis	Texas Hog Plum, Texas Snakewood, Texas Colubrina, Hog Plum	Perennial	Shrub	Part-shade	Dry
Comandra umbellata	Bastard Toadflax	Perennial	Subshrub		Dry
Comandra umbellata ssp. pallida	Pale Bastard Toadflax	Perennial	Subshrub
Commelina erecta	Dayflower, Widow's Tears, White-mouth Dayflower, Whitemouth Dayflower	Perennial	Herb	Part-shade	Dry
Commelina erecta var. angustifolia	Whitemouth Dayflower, Narrow-leaf Dayflower, Widow's Tears	Perennial	Herb	Sun, Part-shade	Moist, Dry
Commelina virginica	Virginia Dayflower	Perennial	Herb	Sun, Shade, Part-shade	Wet, Moist
Condalia hookeri	Bluewood Condalia, Brasil, Brasilwood, Bluewood, Logwood, Purple Haw, Capul Negro	Perennial	Shrub, Tree	Part-shade	Dry
Condalia viridis	Green Snakewood, Green Condalia	Perennial	Shrub	Sun
Conoclinium coelestinum	Blue Mistflower, Wild Ageratum, Blue Boneset	Perennial	Herb	Sun, Part-shade	Moist
Convolvulus equitans	Texas Bindweed, Bindweed	Annual	Vine	Part-shade	Dry
Conyza canadensis	Horseweed, Canadian Horseweed	Annual	Herb	Sun
Cooperia drummondii	Evening Rain Lily, Evening Star Rain Lily	Perennial	Herb	Sun, Part-shade	Moist, Dry
Cooperia pedunculata	Hill Country Rain Lily, Prairie Lily, Rain Lily, Flor De Mayo	Perennial	Herb	Sun	Moist
Corallorhiza wisteriana	Spring Coral-root, Spring Coral Root, Early Southern Coral-root, Wister's Coral-root, Yellow Coral-root, Arousing Coral-root, Spring Coralroot	Perennial	Herb
Coreopsis basalis	Goldenmane Tickseed, Golden-wave	Annual	Herb	Sun	Dry
Coreopsis grandiflora	Largeflower Tickseed, Large-flower Tickseed, Common Coreopsis	Perennial	Herb	Part-shade
Coreopsis grandiflora var. grandiflora	Largeflower Tickseed	Perennial	Herb
Coreopsis lanceolata	Lanceleaf Coreopsis, Lance-leaved Coreopsis, Lanceleaf Tickseed, Sand Coreopsis	Perennial	Herb	Sun, Shade, Part-shade	Dry
Coreopsis tinctoria	Plains Coreopsis, Golden Tickseed, Goldenwave, Calliopsis	Annual	Herb	Sun, Part-shade	Moist
Coreopsis tinctoria var. tinctoria	Golden Tickseed, Golden-wave	Annual	Herb	Sun, Part-shade	Moist
Coreopsis wrightii	Rock Tickseed, Golden-wave	Annual	Herb
Cornus drummondii	Roughleaf Dogwood, Drummond's Dogwood, Rough-leaf Dogwood	Perennial	Tree	Shade, Part-shade	Moist, Dry
Cornus florida	Flowering Dogwood, Virginia Dogwood, Florida Dogwood, White Cornel, Arrowwood, American Boxwood, False Box, St. Peter's Crown, Corona De San Pedro	Perennial	Tree	Shade, Part-shade	Moist, Dry
Corydalis curvisiliqua	Curvepod Fumewort, Scrambled Eggs, Golden Smoke, Curvepod	Annual	Herb	Part-shade	Dry
Corydalis curvisiliqua ssp. curvisiliqua	Curvepod Fumewort	Annual, Biennial	Herb
Corydalis micrantha	Smallflower Fumewort, Southern Corydalis, Golden Corydalis	Annual	Herb
Coryphantha echinus	Rhinoceros Cactus	Perennial	Cactus/Succulent		Dry
Coryphantha sulcata	Pineapple Cactus, Nipple Cactus	Perennial	Cactus/Succulent	Sun	Dry
Crassula aquatica	Water Pygmyweed	Annual	Herb
Crassula longipes	Smallseed Pygmyweed	Annual	Herb
Crataegus crus-galli	Cockspur Hawthorn, Cockspur Thorn, Newcastle Hawthorn, Newcastle Thorn, Hog Apple	Perennial	Tree	Sun, Shade, Part-shade	Moist, Dry
Crataegus mollis	Downy Hawthorn, White Thorn, Whitethorn, Scarlet Hawthorn, Scarlet Haw, Red Haw, Downy Thorn	Perennial	Shrub, Tree	Sun, Shade, Part-shade	Moist, Dry
Crataegus reverchonii	Reverchon's Hawthorn, Reverchon Hawthorn	Perennial	Tree	Part-shade	Dry
Crataegus spathulata	Littlehip Hawthorn, Pasture Hawthorn, Smallfruit Hawthorn	Perennial	Shrub, Tree
Crataegus texana	Texas Hawthorn	Perennial	Shrub, Tree
Crataegus turnerorum	Turner's Hawthorn	Perennial	Tree
Crataegus viridis	Green Hawthorn, Southern Hawthorn	Perennial	Shrub, Tree	Part-shade	Wet
Croptilon hookerianum var. hookerianum	Hooker's Scratchdaisy	Annual	Herb
Crotalaria sagittalis	Arrowhead Rattlebox	Annual, Perennial	Herb, Subshrub
Croton alabamensis	Alabama Croton	Perennial	Subshrub, Shrub
Croton alabamensis var. texensis	Texabama Croton, Texas Alabama Croton	Perennial	Shrub	Part-shade	Dry
Croton capitatus	Hogwort, Texas Goatweed	Annual	Herb
Croton capitatus var. lindheimeri	Woolly Croton, Lindheimer's Hogwort, Woolly Texas Goatweed, Woolly Doveweed	Annual	Herb	Sun
Croton fruticulosus	Bush Croton, Encinilla, Hierba Loca	Perennial	Herb	Part-shade	Dry
Croton glandulosus	Tooth-leaved Croton, Sand Croton, Tropic Croton, Vente Conmigo	Annual	Herb, Subshrub	Sun	Dry
Croton lindheimerianus	Threeseed Croton	Annual	Herb	Sun
Croton monanthogynus	Prairie Tea, One-seed Croton, Doveweed, Dove Weed, Prairie Goatweed	Annual	Herb	Sun	Moist, Dry
Croton pottsii	Leatherweed	Perennial	Herb, Subshrub
Croton pottsii var. pottsii	Leatherweed	Perennial	Herb, Subshrub
Croton texensis	Texas Croton, Doveweed, Texas Goatweed	Annual	Herb
Cryptantha minima	Little Cryptantha	Annual	Herb	Sun	Dry
Cryptantha texana	Pick Me Nots	Annual	Herb
Cryptotaenia canadensis	Canadian Honewort, Wild Chervil	Perennial	Herb	Part-shade	Moist
Cucurbita foetidissima	Stinking Gourd, Buffalo Gourd, Missouri Gourd, Stink Gourd, Wild Gourd	Perennial	Herb	Sun
Cuscuta cuspidata	Cusp Dodder, Dodder, Angel Hair	Perennial	Vine
Cuscuta exaltata	Tree Dodder, Tall Dodder	Annual	Vine
Cuscuta gronovii	Scaldweed, Dodder	Perennial	Vine
Cuscuta indecora	Bigseed Alfalfa Dodder, Largeseed Dodder, Pretty Dodder	Perennial	Herb, Vine
Cuscuta obtusiflora	Peruvian Dodder	Annual, Perennial	Herb, Vine
Cuscuta pentagona	Fiveangled Dodder	Annual	Vine
Cuscuta pentagona var. pentagona	Fiveangled Dodder	Perennial	Vine
Cuscuta polygonorum	Smartweed Dodder, Knotweed Dodder	Perennial	Vine
Cyclanthera naudiniana	Hill Country Cyclanthera, Naudin's Cyclanthera, Central Texas Cyclanthera	Annual	Herb, Vine
Cycloloma atriplicifolium	Winged Pigweed	Annual	Herb	Sun	Moist, Dry
Cylindropuntia imbricata	Tree Cholla, Walking Stick Cholla, Cholla	Perennial	Cactus/Succulent
Cylindropuntia imbricata var. imbricata	Tree Cholla, Teddy-bear Cholla, Cholla, Cane Cactus, Walkingstick Cholla	Perennial	Cactus/Succulent	Sun, Part-shade	Dry
Cylindropuntia kleiniae	Candle Cholla, Klein's Pencil Cactus	Perennial	Cactus/Succulent	Sun
Cylindropuntia leptocaulis	Tasajillo, Christmas Cactus, Pencil Cactus, Christmas Cholla, Desert Christmas Cactus	Perennial	Cactus/Succulent	Sun	Dry
Cymopterus macrorhizus	Bigroot Springparsley, Big-root Cymopterus	Perennial	Herb
Cynanchum barbigerum	Bearded Swallow-wort, Thicket Threadvine	Perennial	Vine	Sun
Cynanchum laeve	Honeyvine	Perennial	Herb, Vine
Cynanchum racemosum	Talayote	Perennial	Herb, Vine
Cynanchum racemosum var. unifarium	Talayote	Perennial	Vine
Cynosciadium digitatum	Finger Dogshade, Fringed Dogshade	Annual	Herb
Cyperus acuminatus	Tapertip Flatsedge	Annual, Perennial	Grass/Grass-like
Cyperus articulatus	Jointed Flatsedge, Chintul	Perennial	Grass/Grass-like	Part-shade
Cyperus croceus	Baldwin's Flatsedge	Perennial	Grass/Grass-like
Cyperus echinatus	Globe Flatsedge	Perennial	Grass/Grass-like
Cyperus elegans	Royal Flatsedge	Perennial	Grass/Grass-like
Cyperus erythrorhizos	Redroot Flatsedge	Annual, Perennial	Grass/Grass-like
Cyperus esculentus	Yellow Nutsedge, Chufa Sedge, Yellow Nut-grass	Perennial	Grass/Grass-like	Sun, Part-shade	Moist
Cyperus haspan	Haspan Flatsedge	Perennial	Grass/Grass-like
Cyperus hystricinus	Bristly Flatsedge	Perennial	Grass/Grass-like
Cyperus lupulinus	Great Plains Flatsedge	Perennial	Grass/Grass-like	Sun, Part-shade	Dry
Cyperus odoratus	Fragrant Flatsedge, Fragrant Sedge	Annual	Grass/Grass-like	Sun
Cyperus pseudovegetus	Marsh Flatsedge, Marsh Flat Sedge	Perennial	Grass/Grass-like	Sun
Cyperus reflexus	Bentawn Flatsedge	Perennial	Grass/Grass-like
Cyperus retroflexus	Oneflower Flatsedge	Perennial	Grass/Grass-like
Cyperus retrorsus	Pine Barren Flatsedge	Perennial	Grass/Grass-like		Dry
Cyperus retrorsus var. retrorsus	Pine Barren Flatsedge	Perennial	Grass/Grass-like
Cyperus setigerus	Lean Flatsedge	Perennial	Grass/Grass-like
Cyperus squarrosus	Bearded Flatsedge	Annual	Grass/Grass-like	Sun, Part-shade	Wet, Moist
Cyperus strigosus	Straw-colored Flatsedge	Perennial	Grass/Grass-like
Cyperus surinamensis	Tropical Flatsedge	Perennial	Grass/Grass-like
Dalea aurea	Golden Dalea, Golden Prairie Clover	Perennial	Herb	Sun	Dry
Dalea candida	White Prairie Clover	Perennial	Subshrub	Sun	Dry
Dalea candida var. candida	White Prairie Clover, White Prairie-clover	Perennial	Herb	Sun	Dry
Dalea candida var. oligophylla	Fewleaf White Prairie Clover, White Prairie Clover, Western White Prairie Clover	Perennial	Herb
Dalea compacta	Compact Prairie Clover, Purple Prairie Clover	Perennial	Herb
Dalea enneandra	Nine-anther Prairie Clover	Perennial	Herb		Dry
Dalea frutescens	Black Dalea, Black Prairie Clover	Perennial	Shrub	Sun	Dry
Dalea hallii	Hall's Prairie Clover, Hall's Dalea	Perennial	Shrub
Dalea lanata	Woolly Prairie Clover	Perennial	Herb
Dalea lasiathera	Purple Dalea	Perennial	Shrub	Sun
Dalea multiflora	Roundhead Prairie Clover, White Prairie Clover, Round Headed Dalea, Round Headed Clover	Perennial	Herb	Sun	Dry
Dalea nana	Dwarf Prairie Clover, Dwarf Dalea	Perennial	Shrub
Dalea obovata	Pussyfoot	Perennial	Herb	Sun, Part-shade	Dry
Dalea phleoides	Slimspike Prairie Clover	Perennial	Herb, Subshrub
Dalea phleoides var. microphylla	Slimspike Prairie Clover	Perennial	Subshrub
Dalea pogonathera	Bearded Prairie Clover, Bearded Dalea	Perennial	Herb
Dalea purpurea	Purple Prairie Clover	Perennial	Subshrub	Sun	Dry
Dalea purpurea var. purpurea	Purple Prairie Clover, Violet Prairie Clover	Perennial	Herb	Sun	Moist
Dalea reverchonii	Comanche Peak Prairie Clover	Perennial	Herb, Subshrub
Dalea tenuis	Pinkglobe Prairie Clover	Perennial	Subshrub
Dalea villosa	Silky Prairie Clover	Perennial	Herb, Subshrub
Dalea villosa var. villosa	Silky Prairie Clover	Perennial	Subshrub	Sun	Dry
Danthonia spicata	Poverty Oatgrass, Poverty Wild Oat Grass, Curly Grass	Perennial	Grass/Grass-like	Sun, Shade, Part-shade	Dry
Datura wrightii	Jimsonweed, Sacred Thorn-apple, Thorn-apple, Angel Trumpet, Sacred Datura, Western Jimson Weed	Annual	Herb	Sun, Part-shade	Dry
Daucosma laciniata	Meadow Parasol, Daucosma	Annual	Herb
Daucus pusillus	American Wild Carrot, Rattlesnake-weed, Wild Carrot	Annual, Biennial	Herb
Delphinium carolinianum	Prairie Larkspur, Carolina Larkspur, Blue Larkspur	Perennial	Herb	Part-shade	Dry
Delphinium carolinianum ssp. carolinianum	Carolina Larkspur, Blue Larkspur	Perennial	Herb
Delphinium carolinianum ssp. vimineum	Carolina Larkspur, Prairie Larkspur	Perennial	Herb	Part-shade	Dry
Delphinium carolinianum ssp. virescens	Carolina Larkspur, Prairie Larkspur, Plains Larkspur	Perennial	Herb	Sun	Moist
Descurainia pinnata	Western Tansymustard, Tansy-mustard	Annual	Herb	Sun	Dry
Desmanthus acuminatus	Sharp Pod Bundleflower, Wild Tantan	Perennial	Herb, Subshrub, Shrub
Desmanthus illinoensis	Illinois Bundleflower, Bundleflower, Prairie Bundle Flower, Prickleweed, Illinois Desmanthus, Prairie Mimosa	Perennial	Shrub	Sun	Moist
Desmanthus leptolobus	Slenderlobe Bundleflower	Perennial	Herb
Desmanthus obtusus	Bluntpod Bundleflower	Perennial	Herb
Desmanthus velutinus	Velvet Bundleflower	Perennial	Herb
Desmodium canescens	Hoary Ticktrefoil	Perennial	Herb	Sun, Shade, Part-shade	Dry
Desmodium ciliare	Hairy Small-leaf Ticktrefoil	Perennial	Herb
Desmodium ciliare var. ciliare	Hairy Small-leaf Ticktrefoil	Perennial	Herb
Desmodium glutinosum	Pointedleaf Ticktrefoil	Perennial	Herb	Sun, Part-shade	Moist
Desmodium marilandicum	Smooth Small-leaf Ticktrefoil	Perennial	Herb
Desmodium obtusum	Stiff Ticktrefoil	Perennial	Herb
Desmodium paniculatum	Panicledleaf Ticktrefoil, Panicled Tick Trefoil, Velcro Vine	Perennial	Herb	Part-shade	Dry
Desmodium psilophyllum	Simpleleaf Ticktrefoil, Wright's Tickclover, Beggar's Ticks, Sticktights	Perennial	Herb
Desmodium sessilifolium	Sessileleaf Ticktrefoil	Perennial	Herb	Sun	Dry
Desmodium tweedyi	Tweedy's Ticktrefoil	Perennial	Herb
Dichanthelium aciculare	Needleleaf Rosette Grass	Perennial	Grass/Grass-like
Dichanthelium acuminatum	Tapered Rosette Grass	Perennial	Grass/Grass-like
Dichanthelium acuminatum var. acuminatum	Tapered Rosette Grass	Perennial	Grass/Grass-like	Sun
Dichanthelium acuminatum var. fasciculatum	Western Panicgrass, Rosette Grass	Perennial	Grass/Grass-like	Part-shade	Moist
Dichanthelium acuminatum var. lindheimeri	Lindheimer Panicgrass, Lindheimer's Rosettegrass	Perennial	Grass/Grass-like	Sun, Part-shade
Dichanthelium depauperatum	Starved Panicgrass	Perennial	Grass/Grass-like	Sun, Shade, Part-shade	Dry
Dichanthelium dichotomum	Cypress Panicgrass	Perennial	Grass/Grass-like
Dichanthelium laxiflorum	Openflower Rosette Grass	Perennial	Grass/Grass-like
Dichanthelium linearifolium	Slimleaf Panicgrass	Perennial	Grass/Grass-like
Dichanthelium oligosanthes	Heller's Rosette Grass	Perennial	Grass/Grass-like
Dichanthelium oligosanthes var. oligosanthes	Heller's Rosette Grass	Perennial	Grass/Grass-like
Dichanthelium pedicellatum	Cedar Rosette Grass, Corm-based Panicgrass	Perennial	Grass/Grass-like
Dichanthelium sphaerocarpon	Roundseed Panicgrass	Perennial	Grass/Grass-like
Dichondra carolinensis	Carolina Ponyfoot, Ponyfoot	Perennial	Herb
Dichondra recurvata	Oakwoods Ponysfoot, Oakwoods Ponyfoot	Perennial	Herb
Dicliptera brachiata	Branched Foldwing, Branched Dicliptera	Perennial	Herb	Part-shade	Moist
Digitaria californica	Arizona Cottontop, California Cottontop, California Crab Grass, Cottontop	Perennial	Grass/Grass-like	Part-shade	Dry
Digitaria ciliaris	Southern Crabgrass	Annual, Perennial	Grass/Grass-like
Digitaria cognata	Carolina Crabgrass, Fall Witchgrass	Perennial	Grass/Grass-like	Sun, Shade, Part-shade	Dry
Digitaria filiformis	Slender Crabgrass	Annual, Perennial	Grass/Grass-like
Digitaria insularis	Sourgrass	Perennial	Grass/Grass-like
Digitaria pubiflora	Carolina Crabgrass	Perennial	Grass/Grass-like
Diodia teres	Poorjoe	Annual	Herb
Diodia virginiana	Virginia Buttonweed, Buttonweed	Annual	Subshrub
Diospyros texana	Texas Persimmon, Mexican Persimmon, Black Persimmon, Chapote, Chapote Prieto	Perennial	Tree	Sun, Part-shade	Dry
Diospyros virginiana	Common Persimmon, Eastern Persimmon, Possumwood, Date Plum, Winter Plum, Jove's Fruit	Perennial	Tree	Part-shade	Dry
Distichlis spicata	Saltgrass, Coastal Salt Grass, Inland Salt-grass	Perennial	Grass/Grass-like	Sun	Wet
Dodecatheon meadia	Eastern Shooting Star, Shooting Star, Pride Of Ohio, Roosterheads, Prairie Pointers	Perennial	Herb	Part-shade	Moist
Draba brachycarpa	Shortpod Draba	Annual	Herb
Draba cuneifolia	Wedgeleaf Draba, Whitlow-grass	Annual	Herb
Draba platycarpa	Broadpod Draba, Broad-pod Draba, Broadpod Whitlowgrass, Broadpod Whitlow-grass	Annual	Herb
Dracopis amplexicaulis	Clasping Coneflower, Clasping-leaf Coneflower	Annual	Herb	Part-shade	Moist
Dyschoriste linearis	Snake Herb, Polkadots, Narrowleaf Dyschoriste	Perennial	Herb	Sun	Wet, Moist
Dysodiopsis tagetoides	False Dogfennel, Dogweed	Perennial	Herb
Echinacea angustifolia	Black Samson, Black Samson Echinacea, Narrow-leaf Coneflower	Perennial	Herb	Sun, Part-shade	Dry
Echinacea atrorubens	Topeka Purple Coneflower	Perennial	Herb	Sun	Dry
Echinacea pallida	Pale Purple Coneflower, Pale Coneflower	Perennial	Herb	Sun	Moist, Dry
Echinocactus texensis	Horse Crippler, Horse Crippler Cactus, Devil's Head, Chisos Hedgehog Cactus, Chisos Hedgehog	Perennial	Cactus/Succulent	Sun	Dry
Echinocereus coccineus	Scarlet Hedgehog Cactus, Claret Cup	Perennial	Cactus/Succulent
Echinocereus coccineus var. paucispinus	Scarlet Hedgehog Cactus, Claret Cup	Perennial	Cactus/Succulent	Sun, Part-shade	Dry
Echinocereus reichenbachii	Lace Hedgehog Cactus, Lace Cactus, Lace Hedgehog, Purple Candle	Perennial	Cactus/Succulent	Sun	Dry
Echinocereus reichenbachii ssp. reichenbachii	Lace Hedgehog Cactus, Lace Cactus	Perennial	Cactus/Succulent	Sun	Dry
Echinochloa muricata	American Barnyard Grass, Rough Barnyard Grass, Barnyard Grass, American Cockspur Grass, Wild Millet	Annual	Grass/Grass-like	Sun	Wet, Moist
Echinochloa walteri	Coast Cockspur Grass	Annual	Grass/Grass-like
Echinodorus berteroi	Upright Burrhead	Annual	Herb
Echinodorus cordifolius	Creeping Burhead, Lance-leaf Burhead, Radican Sword, Burhead, Creeping Water-plantain	Annual	Herb	Shade	Wet
Eclipta prostrata	Pie Plant, False Daisy, Eclipta	Annual, Perennial	Herb
Elatine brachysperma	Shortseed Waterwort	Annual	Herb
Eleocharis acicularis	Needle Spikerush	Annual, Perennial	Grass/Grass-like	Sun
Eleocharis cellulosa	Gulf Coast Spikerush	Perennial	Grass/Grass-like
Eleocharis compressa var. acutisquamata	Sharpscale Spikerush	Perennial	Grass/Grass-like
Eleocharis engelmannii	Engelmann's Spikerush	Annual	Grass/Grass-like
Eleocharis flavescens	Yellow Spikerush, Pale Spike-rush, Wrinkle-sheathed Spike-rush	Perennial	Grass/Grass-like
Eleocharis macrostachya	Pale Spikerush	Perennial	Grass/Grass-like
Eleocharis montevidensis	Sand Spikerush, Spike Rush	Perennial	Grass/Grass-like	Sun	Wet, Moist
Eleocharis obtusa	Blunt Spikerush	Annual	Grass/Grass-like	Sun
Eleocharis palustris	Common Spikerush, Common Spike-rush, Creeping Spikesedge	Perennial	Grass/Grass-like	Part-shade	Wet
Eleocharis parvula	Dwarf Spikerush	Annual	Grass/Grass-like	Sun
Eleocharis quadrangulata	Squarestem Spikerush	Perennial	Grass/Grass-like	Sun
Eleocharis rostellata	Beaked Spikerush, Leap Frog Spike Rush	Perennial	Grass/Grass-like	Part-shade	Wet
Elephantopus carolinianus	Carolina Elephantsfoot	Perennial	Herb
Elymus canadensis	Canada Wild Rye, Canadian Wildrye, Prairie Wildrye, Nodding Wildrye	Perennial	Grass/Grass-like	Sun, Part-shade	Moist
Elymus elymoides	Squirreltail, Bottlebrush Squirreltail, Squirrel-tail	Perennial	Grass/Grass-like
Elymus elymoides ssp. brevifolius	Squirreltail, Long-leaf Squirrel-tail	Perennial	Grass/Grass-like	Sun	Dry
Elymus virginicus	Virginia Wild Rye, Virginia Wildrye	Perennial	Grass/Grass-like	Part-shade	Moist
Elymus virginicus var. virginicus	Virginia Wildrye, Virginia Wild Rye	Perennial	Grass/Grass-like
Engelmannia peristenia	Engelmann's Daisy, Engelmann Daisy, Cutleaf Daisy	Perennial	Herb	Sun	Dry
Ephedra antisyphilitica	Mormon Tea, Joint-fir, Clapweed, Popote	Perennial	Shrub	Part-shade	Dry
Epipactis gigantea	Stream Orchid, Chatterbox Orchid, Giant Hellebore	Perennial	Herb	Shade, Part-shade	Wet, Moist
Equisetum hyemale	Scouring-rush Horsetail, Horsetail, Scouring Rush, Canuela	Perennial	Herb	Sun, Shade, Part-shade	Wet, Moist
Equisetum hyemale var. affine	Scouring-rush Horsetail	Perennial	Herb	Sun, Part-shade	Wet
Equisetum laevigatum	Smooth Horsetail, Horsetail	Perennial	Herb	Sun
Eragrostis capillaris	Lace Grass , Lace Lovegrass, Lace Love Grass	Annual	Grass/Grass-like
Eragrostis curtipedicellata	Gummy Lovegrass, Gummy Love Grass	Perennial	Grass/Grass-like
Eragrostis elliottii	Field Lovegrass , Field Love Grass	Perennial	Grass/Grass-like
Eragrostis hirsuta	Bigtop Lovegrass , Bigtop Love Grass	Perennial	Grass/Grass-like
Eragrostis hypnoides	Teal Lovegrass , Teal Love Grass	Annual	Grass/Grass-like
Eragrostis intermedia	Plains Lovegrass, Plains Love Grass	Perennial	Grass/Grass-like	Part-shade	Dry
Eragrostis lugens	Mourning Lovegrass , Mourning Love Grass	Perennial	Grass/Grass-like
Eragrostis pectinacea	Tufted Lovegrass, Tufted Love Grass	Annual	Grass/Grass-like
Eragrostis pectinacea var. pectinacea	Tufted Lovegrass, Tufted Love Grass	Annual	Grass/Grass-like
Eragrostis secundiflora	Red Lovegrass , Red Love Grass	Perennial	Grass/Grass-like
Eragrostis secundiflora ssp. oxylepis	Red Lovegrass, Red Love Grass	Perennial	Grass/Grass-like	Sun
Eragrostis sessilispica	Tumble Lovegrass, Tumble Love Grass	Perennial	Grass/Grass-like
Eragrostis spectabilis	Purple Lovegrass, Purple Love Grass, Purple Plains Lovegrass, Tumblegrass, Petticoat Climber	Perennial	Grass/Grass-like	Sun	Moist
Eragrostis trichodes	Sand Lovegrass, Sand Love Grass	Perennial	Grass/Grass-like	Part-shade
Erigeron annuus	Eastern Daisy Fleabane, Daisy Fleabane	Annual	Herb
Erigeron flagellaris	Trailing Fleabane	Biennial	Herb
Erigeron geiseri	Geiser's Fleabane	Annual	Herb
Erigeron modestus	Plains Fleabane, Prairie Fleabane	Perennial	Herb	Sun	Dry
Erigeron philadelphicus	Philadelphia Fleabane, Fleabane Daisy	Biennial	Herb	Part-shade
Erigeron philadelphicus var. philadelphicus	Philadelphia Fleabane	Biennial	Herb
Erigeron strigosus	Prairie Fleabane, Daisy Fleabane, Common Eastern Fleabane	Annual, Biennial, Perennial	Herb	Sun
Erigeron tenuis	Slenderleaf Fleabane	Perennial	Herb
Eriochloa sericea	Texas Cupgrass	Perennial	Grass/Grass-like	Sun	Dry
Eriogonum annuum	Annual Buckwheat, Annual Wild Buckwheat, Umbrella Plant	Annual	Herb	Sun	Dry
Eriogonum longifolium	Longleaf Buckwheat, Longleaf Wild Buckwheat	Perennial	Herb
Eriogonum longifolium var. longifolium	Longleaf Buckwheat	Perennial	Herb
Eriogonum multiflorum	Wild Buckwheat, Heart-sepal Buckwheat, Heart-sepal Wild Buckwheat	Annual	Herb	Part-shade	Dry
Eriogonum tenellum var. ramosissimum	Tall Buckwheat, Granite Mountain Wild Buckwheat	Perennial	Subshrub
Erioneuron pilosum	Hairy Woollygrass, Hairy Tridens	Perennial	Grass/Grass-like	Sun	Dry
Erodium texanum	Texas Stork's Bill, Stork's Bill, Pine Needle, Fillaree	Annual, Biennial	Herb	Sun	Dry
Eryngium diffusum	Spreading Eryngo	Annual	Herb
Eryngium hookeri	Hooker's Eryngo	Annual	Herb
Eryngium leavenworthii	Leavenworth's Eryngo, Eryngo, False Purple Thistle	Annual	Herb	Sun, Part-shade	Moist
Eryngium yuccifolium	Rattlesnake Master, Button Eryngo, Button Snakeroot, Beargrass, Bear's Grass	Perennial	Herb	Sun	Moist
Erysimum asperum	Western Wallflower	Biennial, Perennial	Herb
Erythronium albidum	White Troutlily, White Dogtooth-violet, White Fawnlily, Adder's-tongue	Perennial	Herb	Shade, Part-shade	Moist, Dry
Erythronium mesochoreum	Midland Fawnlily	Perennial	Herb
Eschscholzia californica	California Poppy, California Gold Poppy	Annual	Herb	Sun	Dry
Eschscholzia californica ssp. mexicana	Mexican Gold Poppy, California Poppy	Annual	Herb	Sun	Moist, Dry
Escobaria missouriensis	Missouri Foxtail Cactus, Plains Nipple Cactus	Perennial	Cactus/Succulent	Sun	Dry
Escobaria vivipara	Spinystar, Common Beehive Cactus, Pincushion Cactus	Perennial	Cactus/Succulent
Escobaria vivipara var. radiosa	Spinystar	Perennial	Cactus/Succulent
Escobaria vivipara var. vivipara	Spinystar	Perennial	Cactus/Succulent
Euonymus atropurpureus	Burningbush, Eastern Wahoo, Burning Bush, Wahoo, Waahoo, Whahoo, Spindle Tree	Perennial	Shrub	Part-shade
Eupatorium altissimum	Tall Thoroughwort, Tall Boneset	Perennial	Herb
Eupatorium capillifolium	Dogfennel, Dog Fennel	Perennial	Herb
Eupatorium perfoliatum	Common Boneset	Perennial	Herb	Sun, Shade, Part-shade	Wet, Moist
Eupatorium perfoliatum var. perfoliatum	Common Boneset	Perennial	Herb	Sun	Moist
Eupatorium rotundifolium	Roundleaf Thoroughwort	Perennial	Herb
Eupatorium serotinum	White Boneset, Lateflowering Thoroughwort, Late Boneset, Late-flowering Boneset	Perennial	Herb	Part-shade	Moist
Euphorbia bicolor	Snow On The Prairie, Snow-on-the-prairie	Annual	Herb	Sun, Part-shade
Euphorbia corollata	Flowering Spurge	Perennial	Herb	Sun	Dry
Euphorbia cyathophora	Wild Poinsettia, Poinsettia, Fire On The Mountain	Annual	Herb	Sun	Moist
Euphorbia dentata	Toothed Spurge, Toothed-leaf Poinsettia	Annual	Herb
Euphorbia hexagona	Sixangle Spurge	Annual	Herb
Euphorbia longicruris	Wedgeleaf Spurge	Annual	Herb
Euphorbia marginata	Snow On The Mountain, Snow-on-the-mountain	Annual	Herb	Part-shade	Moist
Euphorbia roemeriana	Roemer's Spurge	Annual	Herb
Euphorbia spathulata	Warty Spurge	Annual	Herb
Euphorbia tetrapora	Weak Spurge	Annual	Herb
Eurytaenia texana	Texas Spreadwing	Annual	Herb
Eustoma exaltatum	Catchfly Prairie Gentian, Bluebell Gentian, Western Blue Gentian, Blue Marsh Lily, Small Bluebell, Catchfly Gentian, Seaside Gentian	Annual	Herb	Sun, Part-shade	Moist
Eustoma exaltatum ssp. russellianum	Texas Bluebells, Texas Bluebell, Bluebell, Showy Prairie Gentian, Prairie Gentian	Annual, Biennial, Perennial	Herb	Sun	Moist
Euthamia graminifolia	Flat-top Goldentop, Grass-leaved Goldenrod	Perennial	Herb	Sun	Moist
Euthamia graminifolia var. graminifolia	Flat-top Goldentop	Perennial	Herb
Evax candida	Silver Pygmycudweed	Annual	Herb
Evax prolifera	Bighead Pygmycudweed, Rabbit Tobacco	Annual	Herb	Part-shade
Evax verna	Spring Pygmycudweed	Annual	Herb
Evax verna var. verna	Spring Pygmycudweed	Annual	Herb
Evolvulus nuttallianus	Shaggy Dwarf Morning-glory, Silky Evolvulus, Shaggy Evolvulus	Perennial	Herb
Evolvulus sericeus	Silver Dwarf Morning-glory, White Evolvulus	Perennial	Herb	Sun	Dry
Evolvulus sericeus var. sericeus	Silver Dwarf Morning-glory, White Evolvulus	Perennial	Herb
Eysenhardtia texana	Texas Kidneywood, Kidneywood, Bee Brush, Vara Dulce, Palo Dulce	Perennial	Shrub	Sun	Dry
Festuca subverticillata	Nodding Fescue	Perennial	Grass/Grass-like	Part-shade
Festuca versuta	Texas Fescue	Perennial	Grass/Grass-like
Fimbristylis autumnalis	Slender Fimbry	Annual	Grass/Grass-like
Fimbristylis puberula	Hairy Fimbry	Perennial	Grass/Grass-like
Fimbristylis vahlii	Vahl's Fimbry	Annual	Grass/Grass-like
Fleischmannia incarnata	Pink Thoroughwort	Perennial	Herb
Forestiera angustifolia	Narrow-leaf Forestiera, Tanglewood, Desert Olive, Texas Swamp-privet, Panalero, Elbow Bush	Perennial	Tree	Sun	Dry
Forestiera pubescens	Elbowbush, Stretchberry, Spring Herald, Desert Olive, Tanglewood, Devil's Elbow, Spring Goldenglow, New Mexico Privet, Texas Forsythia	Perennial	Shrub	Sun, Shade, Part-shade	Moist, Dry
Forestiera pubescens var. pubescens	Stretchberry, Elbowbush, Stretch-berry, Downy Forestiera, Desert Olive, Elbow-bush	Perennial	Shrub	Sun, Part-shade	Dry
Fragaria virginiana	Virginia Strawberry, Wild Strawberry	Perennial	Herb	Sun, Part-shade	Dry
Frangula caroliniana	Carolina Buckthorn, Carolina False Buckthorn, Yellow Buckthorn, Indian Cherry, Yellowwood	Perennial	Tree	Part-shade	Moist
Fraxinus albicans	Texas Ash, Mountain Ash	Perennial	Tree	Part-shade	Dry
Fraxinus americana	White Ash, American Ash, Cane Ash, Smallseed White Ash, Biltmore White Ash, Biltmore Ash	Perennial	Tree	Sun, Shade, Part-shade	Moist, Dry
Fraxinus berlandieriana	Mexican Ash, Berlandier Ash, Berlandier's Ash, Plumero	Perennial	Tree	Part-shade	Dry
Fraxinus pennsylvanica	Green Ash, Red Ash, Swamp Ash, River Ash, Water Ash, Darlington Ash	Perennial	Tree	Sun, Shade, Part-shade	Wet, Moist, Dry
Froelichia floridana	Plains Snakecotton, Snake-cotton	Annual	Herb
Froelichia gracilis	Slender Snakecotton, Snake-cotton	Annual	Herb
Fuirena simplex	Western Umbrella-sedge, Umbrellagrass, Western Umbrella Sedge	Perennial	Grass/Grass-like
Fuirena simplex var. aristulata	Western Umbrella-sedge, Western Umbrella Sedge	Annual, Perennial	Grass/Grass-like
Fuirena simplex var. simplex	Western Umbrella-sedge, Western Umbrella Sedge	Perennial	Grass/Grass-like
Funastrum crispum	Wavyleaf Twinevine, Wavy-leaf Milkweed Vine	Perennial	Subshrub
Funastrum cynanchoides	Fringed Twinevine, Climbing Milkweed Vine, Twine-vine	Perennial	Vine	Part-shade	Dry
Funastrum cynanchoides ssp. cynanchoides	Fringed Twinevine	Perennial	Herb
Gaga kaulfussii	Glandular Lipfern, Kaulfuss Lipfern, Kaulfuss' Lipfern	Perennial	Fern
Gaillardia aestivalis	Lanceleaf Blanketflower, Winkler Gaillardia	Perennial	Herb
Gaillardia aestivalis var. aestivalis	Lanceleaf Blanketflower, Prairie Gaillardia	Perennial	Herb	Part-shade	Dry
Gaillardia amblyodon	Maroon Blanketflower, Red Gaillardia, Red Indian Blanket	Annual	Herb	Sun	Dry
Gaillardia pulchella	Indian Blanket, Firewheel, Girasol Rojo	Annual	Herb	Sun, Part-shade	Dry
Gaillardia pulchella var. pulchella	Indian Blanket, Firewheel	Annual	Herb
Gaillardia suavis	Pincushion Daisy, Fragrant Gaillardia, Rayless Gaillardia, Perfumeballs	Perennial	Herb	Part-shade	Dry
Galactia canescens	Hoary Milkpea	Perennial	Herb
Galactia heterophylla	Gray's Milkpea, Milkpea	Perennial	Herb
Galactia texana	Texas Milkpea	Perennial	Vine
Galactia volubilis	Downy Milkpea	Perennial	Vine
Galium aparine	Stickywilly, Catchweed Bedstraw, Cleavers, Common Bedstraw, Sticky Weed, Goose Grass	Annual	Herb, Vine	Shade
Galium circaezans	Licorice Bedstraw	Perennial	Subshrub
Galium pilosum	Hairy Bedstraw	Perennial	Herb
Galium texense	Texas Bedstraw	Annual	Herb
Galium virgatum	Southwestern Bedstraw, Southwest Bedstraw	Annual	Herb
Gamochaeta argyrinea	Silver Cudweed, Silvery Everlasting	Annual	Herb
Gamochaeta falcata	Narrowleaf Purple Everlasting	Annual	Herb
Gamochaeta pensylvanica	Pennsylvania Everlasting	Annual	Herb
Gamochaeta purpurea	Spoonleaf Purple Everlasting , Early Cudweed	Annual, Biennial	Herb
Gelsemium sempervirens	Carolina Jessamine, Yellow Jessamine, Evening Trumpetflower, Poor Man's Rope	Perennial	Vine	Sun, Part-shade	Moist
Geranium carolinianum	Carolina Geranium, Wild Geranium, Carolina Cranesbill	Annual	Herb	Part-shade
Geranium texanum	Texas Geranium	Annual	Herb
Geum canadense	White Avens	Perennial	Herb	Shade, Part-shade	Moist, Dry
Giliastrum acerosum	Bluebowls, Prickleleaf Gilia	Annual	Subshrub
Giliastrum incisum	Splitleaf Gilia, Split-leaf Gilia, Cut-leaf Gilia	Annual, Biennial, Perennial	Herb	Sun	Dry
Giliastrum rigidulum	Bluebowls, Blue Gilia	Annual	Subshrub	Sun
Glandularia bipinnatifida	Prairie Verbena, Purple Prairie Verbena, Dakota Vervain, Dakota Mock Vervain, Moradilla, Alfombrilla	Perennial	Herb, Subshrub	Part-shade	Moist, Dry
Glandularia bipinnatifida var. bipinnatifida	Prairie Verbena, Purple Prairie Verbena, Dakota Mock Vervain, Dakota Vervain	Annual, Perennial	Herb	Sun, Part-shade	Dry
Glandularia bipinnatifida var. ciliata	Davis Mountains Mock Vervain, Dakota Mock Vervain, Wright's Verbena	Annual	Herb
Glandularia canadensis	Rose Vervain, Sweet William, Rose Mock Vervain	Perennial	Herb	Part-shade	Moist
Glandularia pumila	Dwarf Vervain, Low Verbena, Pink Mock Vervain, Pink Verbena, Wild Vervain	Annual	Herb
Glandularia quandrangulata	Beaked Mock Vervain, Pale Mock Vervain, Chihuahuan Mock Vervain	Annual	Herb
Gleditsia triacanthos	Honey Locust, Common Honey Locust, Thorny Common Honey Locust, Honey Shucks Locust, Sweet Locust, Thorny Locust, Honey Shucks, Sweet Bean Tree	Perennial	Tree	Part-shade	Moist
Glyceria striata	Fowl Mannagrass	Perennial	Grass/Grass-like	Part-shade
Gossypianthus lanuginosus	Woolly Cottonflower	Perennial	Herb
Gratiola virginiana	Roundfruit Hedgehyssop	Annual, Biennial	Herb
Grindelia adenodonta	Lonestar Gumweed	Annual	Herb
Grindelia lanceolata	Narrowleaf Gumweed, Fall Gumweed	Biennial, Perennial	Herb, Subshrub
Grindelia lanceolata var. lanceolata	Narrowleaf Gumweed	Biennial, Perennial	Herb, Subshrub
Grindelia nuda var. nuda	Curlytop Gumweed	Annual, Biennial, Perennial	Herb
Grindelia papposa	Spanish Gold, Clasping-leaved Haplopappus, Saw-leaf Daisy	Annual	Herb
Grindelia squarrosa	Curlycup Gumweed	Annual, Biennial, Perennial	Herb		Dry
Grusonia schottii	Dog Cholla, Big Bend Pricklypear	Perennial	Cactus/Succulent	Sun	Dry
Guaiacum angustifolium	Texas Lignum-vitae, Soapbush, Guayacan	Perennial	Tree	Part-shade	Dry
Guilleminea densa	Small Matweed	Perennial	Herb
Gutierrezia microcephala	Threadleaf Snakeweed, Threadleaf Broomweed, Smallhead Snakeweed, Littlehead Snakeweed	Perennial	Subshrub
Gutierrezia sarothrae	Broom Snakeweed, Kindlingweed, Matchbrush, Texas Snakeweed, Broomweed, Turpentine Weed, Matchweed	Perennial	Herb, Subshrub	Part-shade	Dry
Gutierrezia texana	Texas Snakeweed	Annual, Perennial	Herb, Subshrub
Gymnocladus dioicus	Kentucky Coffeetree, Stump Tree	Perennial	Tree	Sun, Shade, Part-shade	Moist, Dry
Gymnopogon ambiguus	Bearded Skeletongrass	Perennial	Grass/Grass-like
Habranthus tubispathus	Rio Grande Copperlily, Copper Lily, Rio Grande Copper-lily	Perennial	Herb	Sun	Moist
Hedeoma acinoides	Slender False Pennyroyal, Annual Pennyroyal, Slender Hedeoma	Annual	Herb	Sun, Part-shade	Moist, Dry
Hedeoma drummondii	Drummond's False Pennyroyal, Limoncillo, Mock Pennyroyal	Annual	Herb	Part-shade	Dry
Hedeoma hispida	Rough False Pennyroyal	Annual	Herb
Hedeoma reverchonii	Reverchon's False Pennyroyal	Perennial	Herb, Subshrub
Hedeoma reverchonii var. reverchonii	Reverchon's False Pennyroyal, Rock Hedeoma	Perennial	Subshrub
Hedeoma reverchonii var. serpyllifolia	Reverchon's False Pennyroyal, Rock Hedeoma	Perennial	Herb
Helenium amarum	Yellow Sneezeweed, Bitterweed, Yellow Bitterweed, Yellowdicks, Slender-leaved Sneezeweed, Fine-leaved Sneezweed, Yellow Dog-fennel	Annual	Herb	Part-shade	Dry
Helenium amarum var. amarum	Yellow Bitterweed, Yellowdicks	Annual	Herb
Helenium amarum var. badium	Brown Bitterweed, Basin Sneezeweed	Annual	Herb
Helenium autumnale	Common Sneezeweed, Fall Sneezeweed, Autumn Sneezeweed	Perennial	Herb	Sun	Moist
Helenium autumnale var. autumnale	Common Sneezeweed	Perennial	Herb	Sun	Wet, Moist
Helenium elegans	Pretty Sneezeweed	Annual	Herb
Helenium microcephalum	Smallhead Sneezeweed	Annual	Herb
Helianthemum georgianum	Georgia Frostweed, Rockrose, Georgia Sunrose	Perennial	Herb
Helianthemum rosmarinifolium	Rosemary Frostweed, Sun Rose	Perennial	Subshrub
Helianthus annuus	Common Sunflower, Annual Sunflower	Annual	Herb	Sun	Dry
Helianthus ciliaris	Texas Blueweed	Perennial	Herb
Helianthus debilis	Cucumberleaf Sunflower, Cucumber-leaf Sunflower, Beach Sunflower	Annual	Herb	Sun
Helianthus debilis ssp. cucumerifolius	Cucumberleaf Sunflower	Annual	Herb
Helianthus grosseserratus	Sawtooth Sunflower	Perennial	Herb	Sun	Moist
Helianthus hirsutus	Hairy Sunflower, Rough Sunflower	Perennial	Herb
Helianthus maximiliani	Maximilian Sunflower, Max Sunflower	Perennial	Herb	Sun	Moist, Dry
Helianthus mollis	Ashy Sunflower, Downy Sunflower	Perennial	Herb
Helianthus pauciflorus	Stiff Sunflower, Prairie Sunflower	Perennial	Herb
Helianthus pauciflorus ssp. pauciflorus	Stiff Sunflower	Perennial	Herb	Sun
Helianthus petiolaris	Prairie Sunflower, Plains Sunflower	Annual	Herb	Sun
Helianthus salicifolius	Willowleaf Sunflower, Willow-leaved Sunflower	Perennial	Herb
Helianthus tuberosus	Jerusalem Artichoke, Sunchoke	Perennial	Herb	Sun	Moist, Dry
Heliotropium convolvulaceum	Phlox Heliotrope, Fragrant Heliotrope	Annual	Herb
Heliotropium curassavicum	Salt Heliotrope, Seaside Heliotrope, Quail Plant, Cola De Mico, Cola De Gama	Annual	Herb	Sun	Dry
Heliotropium procumbens	Fourspike Heliotrope	Annual, Perennial	Herb, Subshrub
Heliotropium tenellum	Pasture Heliotrope, White Heliotrope	Annual	Herb	Sun	Dry
Hesperaloe parviflora	Red Yucca, Coral Yucca, Red-flowered False Yucca, Redflower False Yucca, Yellow Yucca, Hummingbird Yucca, Samandoque	Perennial	Cactus/Succulent	Sun	Dry
Heteranthera dubia	Grassleaf Mudplantain, Water Stargrass	Annual	Herb
Heteranthera limosa	Blue Mudplantain, Blue Mud Plantain	Annual	Herb
Heteropogon contortus	Tanglehead	Perennial	Grass/Grass-like	Sun	Dry
Heterotheca canescens	Hoary False Goldenaster, Gray Golden-aster	Perennial	Herb	Sun	Dry
Heterotheca stenophylla	Stiffleaf False Goldenaster, Sticky Granite-daisy	Perennial	Herb
Heterotheca subaxillaris	Camphorweed, Camphor Weed	Annual	Herb
Hexalectris nitida	Glass Mountain Crested Coralroot, Glass Mountain Crested Coral Root	Perennial	Herb
Hexalectris spicata	Spiked Crested Coralroot, Spiked Crested Coral Root	Perennial	Herb
Hibiscus laevis	Halberdleaf Rosemallow, Halberdleaf Hibiscus, Scarlet Rose Mallow, Halberd-leaved Hibiscus, Halberd-leaved Rose-mallow	Perennial	Shrub	Sun, Part-shade	Moist
Hibiscus lasiocarpos	Woolly Rose-mallow, Woolly Mallow, Rose-mallow, False Cotton	Perennial	Shrub	Sun	Wet
Hibiscus striatus	Striped Rosemallow	Perennial	Herb, Subshrub
Hibiscus striatus ssp. lambertianus	Striped Rosemallow	Perennial	Herb, Subshrub
Hieracium gronovii	Queendevil	Perennial	Herb
Hilaria belangeri	Curly Mesquite Grass, Curly Mesquite	Perennial	Grass/Grass-like	Sun	Dry
Hilaria belangeri var. belangeri	Curly-mesquite	Perennial	Grass/Grass-like	Sun	Dry
Hoffmannseggia glauca	Indian Rushpea, Indian Rush-pea	Perennial	Herb
Hordeum jubatum	Foxtail Barley	Perennial	Grass/Grass-like
Hordeum jubatum ssp. jubatum	Foxtail Barley, Squirreltail Barley, Skunktail	Perennial	Grass/Grass-like
Hordeum pusillum	Little Barley	Annual	Grass/Grass-like	Sun
Houstonia humifusa	Matted Bluet	Annual	Herb
Houstonia micrantha	Southern Bluet	Annual	Herb
Houstonia pusilla	Tiny Bluets, Small Bluets, Star Violet	Annual	Herb
Houstonia rosea	Rose Bluet	Annual	Herb
Hybanthus verticillatus	Babyslippers, Nodding Green Violet, Green Violet	Perennial	Herb	Part-shade	Moist
Hydrocotyle prolifera	Whorled Marshpennywort	Perennial	Herb		Wet
Hydrocotyle umbellata	Manyflower Marsh-pennywort, Many-flowered Marsh-pennywort, Marsh Pennywort, Water Pennywort, Money Plant	Perennial	Herb	Sun, Shade, Part-shade	Wet, Moist
Hydrocotyle verticillata	Whorled Marshpennywort	Perennial	Herb
Hymenopappus artemisiifolius	Oldplainsman, Woolly-white, Old Plainsman	Biennial	Herb	Part-shade	Dry
Hymenopappus artemisiifolius var. artemisiifolius	Oldplainsman	Biennial	Herb
Hymenopappus flavescens	Yellow Plainsman, Collegeflower	Biennial	Herb	Part-shade	Dry
Hymenopappus flavescens var. flavescens	Collegeflower	Biennial	Herb
Hymenopappus scabiosaeus	Carolina Woollywhite, Woolly-white, Old Plainsman	Biennial	Herb
Hymenopappus scabiosaeus var. corymbosus	Carolina Woollywhite, Old Plainsman	Biennial	Herb
Hymenopappus tenuifolius	Chalk Hill Hymenopappus, Chalkhill Woolywhite	Biennial	Herb
Hymenoxys odorata	Bitter Rubberweed	Annual	Herb
Hypericum drummondii	Nits And Lice, Drummond's St. John's-wort	Annual	Herb
Hypericum gentianoides	Orangegrass, Pineweed	Annual	Herb	Part-shade
Hypericum hypericoides	St. Andrew's-cross	Perennial	Subshrub
Hypericum mutilum	Dwarf St. John's-wort	Annual	Herb	Part-shade
Hypericum punctatum	Spotted St. John's-wort	Perennial	Herb	Part-shade
Hypoxis hirsuta	Common Goldstar, Yellow Star-grass, Eastern Yellow Star-grass	Perennial	Herb	Sun, Shade, Part-shade	Dry
Ibervillea lindheimeri	Balsam Gourd, Lindheimer's Globeberry, Globe Berry, Snake-apple, Balsam-apple	Perennial	Vine	Sun	Moist
Ilex decidua	Possumhaw, Possumhaw Holly, Deciduous Holly, Meadow Holly, Prairie Holly, Swamp Holly, Welk Holly, Deciduous Yaupon, Bearberry, Winterberry	Perennial	Shrub	Sun, Part-shade	Moist
Ilex vomitoria	Yaupon, Yaupon Holly, Cassina	Perennial	Shrub, Tree	Sun, Shade, Part-shade	Moist, Dry
Indigofera miniata	Scarlet Pea, Coastal Indigo, Texas Indigo, Western Indigo	Perennial	Herb	Sun, Part-shade	Moist, Dry
Ipomoea cordatotriloba	Tievine, Purple Bindweed, Morning Glory	Perennial	Vine
Ipomoea cordatotriloba var. cordatotriloba	Tievine, Sharp-pod Morning Glory, Purple Bindweed, Tie Vine	Perennial	Vine	Part-shade
Ipomoea cordatotriloba var. torreyana	Torrey's Tievine	Perennial	Herb, Vine
Ipomoea leptophylla	Bush Morning-glory	Perennial	Herb	Part-shade	Dry
Ipomoea lindheimeri	Lindheimer's Morning-glory, Blue Morning Glory	Perennial	Vine	Sun	Dry
Ipomoea pandurata	Man Of The Earth, Wild Potato, Wild Sweet Potato, Manroot	Perennial	Herb	Sun, Shade, Part-shade	Moist
Ipomoea sagittata	Saltmarsh Morning-glory, Salt-marsh Morning Glory	Perennial	Vine
Ipomopsis rubra	Standing Cypress, Texas Plume, Red Texas Star, Red Gilia	Biennial	Herb	Sun, Part-shade	Dry
Iresine rhizomatosa	Judas Bush	Perennial	Herb
Isoetes lithophila	Rock Quillwort	Perennial	Grass/Grass-like
Isoetes melanopoda	Blackfoot Quillwort	Perennial	Grass/Grass-like
Isolepis carinata	Keeled Bulrush	Annual	Grass/Grass-like
Iva angustifolia	Narrowleaf Marshelder, Narrow-leaf Sumpweed, Narrowleaf Marsh Elder	Annual	Herb
Iva annua	Annual Marshelder, Marshelder, Sumpweed, Annual Marsh Elder, Marsh Elder	Annual	Herb
Juglans major	Arizona Walnut, Arizona Black Walnut, River Walnut, Mountain Walnut, Nogal Silvestre	Perennial	Tree	Sun, Part-shade	Dry
Juglans nigra	Black Walnut, Eastern Black Walnut, American Black Walnut	Perennial	Tree	Sun, Part-shade	Moist
Juncus acuminatus	Tapertip Rush	Perennial	Grass/Grass-like	Part-shade
Juncus brachycarpus	Whiteroot Rush	Perennial	Grass/Grass-like
Juncus bufonius	Toad Rush	Annual	Grass/Grass-like	Sun
Juncus dichotomus	Forked Rush	Perennial	Grass/Grass-like
Juncus diffusissimus	Slimpod Rush	Perennial	Grass/Grass-like
Juncus dudleyi	Dudley's Rush	Perennial	Grass/Grass-like
Juncus effusus	Common Rush, Soft Rush	Perennial	Grass/Grass-like	Sun	Wet, Moist
Juncus filipendulus	Ringseed Rush	Perennial	Grass/Grass-like
Juncus interior	Inland Rush	Perennial	Grass/Grass-like	Sun	Moist
Juncus interior var. interior	Inland Rush	Perennial	Grass/Grass-like
Juncus marginatus	Grassleaf Rush, Grass Leaf Rush	Perennial	Grass/Grass-like	Part-shade
Juncus nodatus	Stout Rush	Perennial	Grass/Grass-like
Juncus scirpoides	Needlepod Rush	Perennial	Grass/Grass-like
Juncus tenuis	Poverty Rush, Path Rush	Perennial	Grass/Grass-like	Part-shade
Juncus texanus	Texas Rush	Perennial	Grass/Grass-like
Juncus torreyi	Torrey's Rush	Perennial	Grass/Grass-like	Sun	Wet, Moist
Juncus validus	Roundhead Rush	Perennial	Grass/Grass-like	Part-shade
Juncus validus var. validus	Roundhead Rush	Perennial	Grass/Grass-like
Juniperus ashei	Ashe Juniper, Ashe's Juniper, Mountain Cedar, Rock Cedar, Post Cedar, Texas Cedar, Brake Cedar, Mexican Juniper, Blueberry Juniper, Ozark White Cedar, Sabino, Enebro	Perennial	Tree	Part-shade	Dry
Juniperus pinchotii	Pinchot's Juniper, Pinchot Juniper, Redberry Juniper, Texas Juniper, Christmasberry Juniper	Perennial	Tree	Part-shade	Dry
Juniperus virginiana	Eastern Red Cedar, Eastern Redcedar, Virginia Juniper, Red Juniper, Pencil Cedar, Carolina Cedar, Red Savin	Perennial	Tree	Sun, Shade, Part-shade	Dry
Justicia americana	American Water-willow, Water-willow	Perennial	Herb	Sun, Part-shade	Wet, Moist
Justicia pilosella	Hairy Tube-tongue, Gregg's Tube-tongue, False Honeysuckle	Perennial	Herb	Part-shade	Moist, Dry
Kallstroemia hirsutissima	Hairy Caltrop, Hairy Carpetweed	Annual	Herb
Kallstroemia parviflora	Warty Caltrop, Small-flowered Carpetweed	Annual	Herb	Sun	Dry
Karwinskia humboldtiana	Coyotillo, Humboldt Coyotillo	Perennial	Tree	Part-shade	Dry
Koeberlinia spinosa	Crown Of Thorns, Spiny Allthorn	Perennial	Tree
Koeleria macrantha	Prairie Junegrass, Junegrass, Prairie Koeler's Grass	Perennial	Grass/Grass-like	Sun	Dry
Kosteletzkya virginica	Virginia Saltmarsh Mallow, Virginia Fen-rose, Saltmarsh Mallow, Seashore Mallow	Perennial	Subshrub	Sun	Moist
Krameria lanceolata	Trailing Krameria, Ratany, Crameria, Prairie Sandbur, Trailing Ratany	Perennial	Herb	Part-shade
Krigia caespitosa	Weedy Dwarfdandelion, Dwarf Dandelion	Annual	Herb
Krigia dandelion	Potato Dwarf Dandelion, Potato Dandelion	Perennial	Herb
Krigia occidentalis	Western Dwarfdandelion	Annual	Herb
Krigia virginica	Virginia Dwarfdandelion, Virginia Dwarf-dandelion, Virginia Dwarf Dandelion, Dwarf Dandelion	Annual	Herb
Krigia wrightii	Wright's Dwarfdandelion	Annual	Herb
Kyllinga brevifolia	Shortleaf Spikesedge	Perennial	Grass/Grass-like
Lactuca canadensis	Canada Lettuce, Wild Lettuce	Biennial	Herb	Sun, Part-shade
Lactuca floridana	Woodland Lettuce, Florida Lettuce	Annual, Biennial	Herb	Shade, Part-shade	Wet, Moist
Lactuca ludoviciana	Western Wild Lettuce, Louisiana Wild Lettuce, Prairie Lettuce, Prairie Wild Lettuce, Biannual Lettuce	Biennial, Perennial	Herb	Sun, Part-shade	Moist, Dry
Lantana achyranthifolia	Brushland Shrubverbena, Mexican Marjoram, Veinyleaf Lantana	Perennial	Shrub	Sun	Dry
Lantana urticoides	Texas Lantana, Calico Bush	Perennial	Shrub	Sun	Dry
Lappula occidentalis var. cupulata	Flatspine Stickseed, Western Stickseed	Annual, Biennial	Herb
Lechea mucronata	Hairy Pinweed	Perennial	Herb
Lechea san-sabeana	San Saba Pinweed	Perennial	Herb
Lechea tenuifolia	Narrowleaf Pinweed	Perennial	Herb
Leersia oryzoides	Rice Cutgrass, Rice Cut Grass	Perennial	Grass/Grass-like	Part-shade	Wet
Leersia virginica	Whitegrass	Perennial	Grass/Grass-like	Part-shade
Lemna aequinoctialis	Lesser Duckweed	Perennial	Herb
Lemna minor	Common Duckweed	Perennial	Herb	Sun	Wet
Lemna obscura	Little Duckweed	Perennial	Herb
Lepidium austrinum	Southern Peppergrass, Southern Pepperwort	Annual	Herb
Lepidium densiflorum	Common Pepperweed	Annual	Herb
Lepidium oblongum	Veiny Pepperweed	Annual	Herb
Lepidium virginicum	Virginia Peppergrass, Virginia Pepperweed, Peppergrass, Poor Man's Pepper	Annual	Herb	Sun	Dry
Leptochloa dubia	Green Sprangletop	Perennial	Grass/Grass-like	Part-shade	Dry
Leptochloa fusca	Malabar Sprangletop	Annual, Perennial	Grass/Grass-like
Leptochloa fusca ssp. fascicularis	Bearded Sprangletop	Annual	Grass/Grass-like
Leptochloa panicea	Mucronate Sprangletop, Red Sprangletop, Needle Sprangletop	Annual, Perennial	Grass/Grass-like
Leptochloa panicea ssp. brachiata	Red Sprangletop	Annual, Perennial	Grass/Grass-like
Lepuropetalon spathulatum	Petiteplant	Annual	Subshrub
Lespedeza capitata	Roundhead Lespedeza, Roundhead Bush-clover, Round-headed Lespedeza, Round-headed Bush-clover	Perennial	Herb	Sun	Dry
Lespedeza hirta	Hairy Lespedeza	Perennial	Herb	Sun, Shade, Part-shade	Dry
Lespedeza repens	Creeping Lespedeza, Creeping Bush-clover	Perennial	Herb
Lespedeza stuevei	Tall Bush-clover, Tall Lespedeza	Perennial	Herb
Lespedeza texana	Texas Lespedeza, Texas Bush-clover	Perennial	Herb	Sun
Lespedeza violacea	Violet Lespedeza	Perennial	Herb	Sun
Lespedeza virginica	Slender Lespedeza, Slender Bush-clover	Perennial	Herb	Shade, Part-shade	Dry
Lesquerella argyraea	Silver Bladderpod	Biennial	Herb
Lesquerella auriculata	Earleaf Bladderpod	Annual	Herb
Lesquerella densiflora	Denseflower Bladderpod, Low Bladderpod	Annual	Herb
Lesquerella engelmannii	Engelmann's Bladderpod	Perennial	Herb
Lesquerella fendleri	Fendler's Bladderpod, Popweed	Perennial	Herb	Part-shade	Dry
Lesquerella gordonii	Gordon's Bladderpod	Annual	Herb	Sun
Lesquerella gracilis	Spreading Bladderpod, Cloth-of-gold	Annual	Herb	Sun
Lesquerella gracilis ssp. gracilis	Spreading Bladderpod	Annual	Herb
Lesquerella grandiflora	Bigflower Bladderpod	Annual	Herb
Lesquerella ovalifolia	Roundleaf Bladderpod	Perennial	Herb
Lesquerella recurvata	Gaslight Bladderpod, Slender Bladderpod	Annual	Herb
Leucophyllum frutescens	Cenizo, Purple Sage, Texas Ranger, Texas Barometer Bush, Texas Silverleaf, Texas Sage, Silverleaf	Perennial	Shrub	Sun, Part-shade	Dry
Leucospora multifida	Narrowleaf Paleseed	Annual	Herb
Liatris acidota	Sharp Blazing Star, Sharp Gayfeather, Sharp Liatris	Perennial	Herb	Sun	Moist
Liatris aestivalis	Summer Gayfeather, Summer Blazing Star, Summer Liatris	Perennial	Herb	Sun	Dry
Liatris aspera	Tall Blazing Star, Tall Gayfeather, Tall Liatris, Rough Blazing Star, Rough Gayfeather, Rough Liatris, Button Snakeroot	Perennial	Herb	Sun	Dry
Liatris elegans	Pink-scale Blazing Star, Pink-scale Gayfeather, Pink-scale Liatris	Perennial	Herb	Sun	Dry
Liatris elegans var. bridgesii	Pinkscale Blazingstar, Pinkscale Gayfeather	Perennial	Herb
Liatris punctata	Dotted Blazing Star, Dotted Gayfeather, Dotted Liatris, Purples	Perennial	Herb	Sun	Dry
Liatris punctata var. mucronata	Texas Gayfeather, Texas Blazing Star, Texas Liatris, Cusp Liatris, Cusp Blazing Star, Cusp Gayfeather, Narrow-leaf Blazing Star, Narrow-leaf Gayfeather, Purples	Perennial	Herb	Sun	Dry
Liatris pycnostachya	Prairie Blazing Star, Prairie Gayfeather, Prairie Liatris, Kansas Blazing Star, Kansas Gayfeather, Kansas Liatris, Cat-tail Blazing Star, Cat-tail Gayfeather, Cat-tail Liatris, Hairy Button-snakeroot	Perennial	Herb	Sun	Moist, Dry
Liatris squarrosa	Scaly Blazing Star, Scaly Gayfeather, Scaly Liatris	Perennial	Herb	Sun	Dry
Liatris squarrosa var. glabrata	Scaly Blazing Star, Scaly Gayfeather, Scaly Liatris	Perennial	Herb
Limnodea arkansana	Ozark Grass, Ozarkgrass	Annual	Grass/Grass-like	Sun, Shade, Part-shade	Wet, Moist
Limnosciadium pinnatum	Tansy Dogshade	Annual	Herb
Limonium carolinianum	Carolina Sealavender, Sea Lavender	Perennial	Herb	Part-shade	Wet
Lindera benzoin	Northern Spicebush, Spicebush, Wild Allspice	Perennial	Shrub	Sun, Shade, Part-shade	Wet, Moist, Dry
Lindernia dubia	Yellowseed False Pimpernel	Annual	Herb
Lindheimera texana	Texas Yellowstar, Texas Star, Texas Yellow-star, Lindheimer Daisy	Annual	Herb	Sun	Dry
Linum alatum	Winged Flax	Annual	Herb
Linum berlandieri	Berlandier's Yellow Flax	Annual, Perennial	Herb
Linum berlandieri var. berlandieri	Berlandier's Yellow Flax, Yellow Flax, Stiff-stem Flax	Annual	Herb	Sun	Dry
Linum hudsonioides	Texas Flax, Yellow Flax, Hudson Flax	Annual	Herb	Sun	Dry
Linum imbricatum	Tufted Flax	Annual	Herb
Linum medium	Stiff Yellow Flax	Annual, Perennial	Herb
Linum medium var. texanum	Stiff Yellow Flax	Annual, Perennial	Herb
Linum pratense	Meadow Flax	Annual	Herb
Linum rigidum	Stiffstem Flax, Large-flower Yellow Flax, Yellow Flax	Annual	Herb	Sun	Dry
Linum rigidum var. rigidum	Stiffstem Flax	Annual, Perennial	Herb
Linum rupestre	Rock Flax	Perennial	Herb
Linum sulcatum	Grooved Flax, Yellow Prairie Flax	Annual	Herb
Lipocarpha aristulata	Awned Halfchaff Sedge	Annual	Grass/Grass-like
Lipocarpha drummondii	Drummond's Halfchaff Sedge	Annual	Grass/Grass-like
Lithospermum caroliniense	Carolina Puccoon, Hairy Puccoon, Hispid Gromwell	Perennial	Herb	Sun
Lithospermum incisum	Fringed Puccoon, Golden Puccoon, Narrowleaf Puccoon, Narrow-leaved Puccoon, Puccoon, Narrowleaf Gromwell, Fringed Gromwell, Narrowleaf Stoneseed	Perennial	Herb	Sun	Dry
Lithospermum matamorense	Rough Stoneseed	Annual	Herb
Lobelia appendiculata	Pale Lobelia	Annual	Herb
Lobelia appendiculata var. appendiculata	Pale Lobelia	Annual, Biennial	Herb
Lobelia cardinalis	Cardinal Flower	Perennial	Herb	Sun, Shade, Part-shade	Wet, Moist
Lobelia puberula	Downy Lobelia	Perennial	Herb
Lobelia siphilitica	Great Blue Lobelia	Perennial	Herb	Sun, Shade, Part-shade	Wet, Moist
Loeflingia squarrosa	Spreading Pygmyleaf	Annual	Herb
Lonicera albiflora	Western White Honeysuckle, White Shrub Honeysuckle, White Bush Honeysuckle, White Limestone Honeysuckle, Texas Honeysuckle, White Honeysuckle	Perennial	Vine	Sun, Part-shade	Moist, Dry
Lonicera sempervirens	Coral Honeysuckle, Trumpet Honeysuckle, Woodbine	Perennial	Vine	Sun, Part-shade	Moist
Lotus unifoliolatus	American Bird's-foot Trefoil	Annual	Herb
Ludwigia alternifolia	Seedbox	Perennial	Herb	Sun	Wet, Moist
Ludwigia glandulosa	Cylindric-fruit Primrose-willow	Perennial	Herb
Ludwigia leptocarpa	Anglestem Primrose-willow	Annual	Subshrub
Ludwigia octovalvis	Mexican Primrose-willow, Narrow-leaf Water Primrose, Seedbox, Mexican Primrose Willow	Perennial	Shrub	Sun, Part-shade	Moist
Ludwigia octovalvis ssp. octovalvis	Mexican Primrose-willow	Perennial	Subshrub
Ludwigia palustris	Marsh Seedbox, Water Purslane	Perennial	Herb	Sun	Wet
Ludwigia peploides	Floating Primrose-willow, Water-primrose, Creeping Water-primrose	Perennial	Herb	Sun
Ludwigia repens	Creeping Primrose-willow, Floating Primrose-willow, Water Primrose	Perennial	Herb
Lupinus texensis	Texas Bluebonnet, Bluebonnet, Texas Lupine, Buffalo Clover, Wolf Flower	Annual	Herb	Sun	Dry
Lycium berlandieri	Berlandier's Wolfberry, Wolfberry	Perennial	Shrub	Sun, Part-shade	Dry
Lycium carolinianum	Carolina Wolfberry, Carolina Desert-thorn, Creeping Wolfberry, Christmas Berry	Perennial	Shrub	Sun, Part-shade	Moist
Lycium carolinianum var. quadrifidum	Carolina Wolfberry, Creeping Wolfberry, Carolina Desert-thorn	Perennial	Shrub	Sun, Part-shade	Moist
Lycopus americanus	American Water Horehound, Water Horehound	Perennial	Herb	Shade	Wet, Moist
Lycopus virginicus	Virginia Water Horehound, Virginia Bugleweed, American Water Horehound, Sweet Bugleweed, Water Bugle, Carpenter's Herb, Greeen Archangle, Purple Archangle, Paul's Betony, Wood-betony, Wolf-foot, Egyptian's Herb	Perennial	Herb	Part-shade
Lygodesmia texana	Texas Skeleton Plant, Texas Skeleton Weed, Skeleton-plant, Purple Dandelion, Flowering Straw	Perennial	Herb	Sun	Dry
Lythrum alatum	Winged Lythrum	Perennial	Subshrub	Sun	Wet, Moist
Lythrum alatum var. lanceolatum	Winged Lythrum, Lance-leaf Loosestrife	Perennial	Herb
Lythrum californicum	California Loosestrife	Perennial	Herb	Sun	Moist
Lythrum ovalifolium	Low Loosestrife, Stream Loosestrife	Perennial	Herb
Machaeranthera pinnatifida	Lacy Tansyaster, Yellow Spiny Daisy	Perennial	Subshrub
Machaeranthera pinnatifida ssp. pinnatifida	Lacy Tansyaster, Yellow Spiny Daisy	Perennial	Herb
Machaeranthera pinnatifida var. pinnatifida	Lacy Tansyaster, Yellow Spiny Daisy	Perennial	Subshrub
Machaeranthera tanacetifolia	Tahoka Daisy, Tansy-aster, Tansey-leaf Tansy-aster, Tansyleaf Tansyaster	Annual	Herb	Sun, Part-shade	Dry
Maclura pomifera	Osage Orange, Bois d' Arc, Bodark, Horse Apple, Hedge Apple, Bowwood, Yellowwood, Naranjo Chino, Monkey Brains	Perennial	Tree	Sun	Dry
Mahonia trifoliolata	Agarita, Agarito, Algerita, Laredo Mahonia, Laredo Oregon-grape, Trifoliate Barberry, Wild Currant	Perennial	Shrub	Sun, Part-shade	Moist, Dry
Malachra capitata	Yellow Leafbract, Malva De Caballo, Horse Mallow	Annual, Perennial	Herb
Malpighia glabra	Barbados Cherry, Wild Crapemyrtle, Acerola, Manzanita	Perennial	Shrub	Part-shade	Dry
Malvastrum aurantiacum	Wright's False Mallow	Perennial	Shrub	Sun	Dry
Malvaviscus arboreus	Turkscap, Wax Mallow, Bleeding Hearts, Mexican Apple, Manzanita	Perennial	Shrub
Malvaviscus arboreus var. drummondii	Turk's Cap, Drummond's Turk's Cap, Drummond Turk's Cap, Wax Mallow, Drummond's Wax Mallow, Drummond Wax Mallow, Red Mallow, Texas Mallow, Mexican Apple, Sleeping Hibiscus, Bleeding Hearts, Manzanita	Perennial	Shrub	Shade, Part-shade	Moist, Dry
Mammillaria heyderi	Little Nipple Cactus, Heyder Pincushion Cactus	Perennial	Cactus/Succulent	Sun	Dry
Marshallia caespitosa	Barbara's-buttons, Puffballs, White Barbara's-buttons, Barbara's Buttons	Perennial	Herb	Sun, Part-shade	Dry
Marshallia caespitosa var. caespitosa	Barbara's Buttons, Puffballs	Perennial	Herb
Marshallia caespitosa var. signata	Marked Barbara's-buttons, Marked Barbara's Buttons, Puffballs	Perennial	Herb
Marsilea macropoda	Bigfoot Water-clover, Water-clover, Clover-fern, Largefoot Pepperwort	Perennial	Herb, Fern	Sun, Shade, Part-shade	Wet
Marsilea vestita	Hairy Water-clover, Hairy Waterclover, Hairy Water Clover, Clover Fern	Perennial	Herb, Fern	Part-shade	Wet
Matelea biflora	Star Milkvine, Purple Milkweed Vine	Perennial	Vine	Sun, Part-shade	Dry
Matelea cynanchoides	Prairie Milkvine	Perennial	Herb
Matelea decipiens	Oldfield Milkvine, Deceptive Milkvine, Deceptive Spinypod	Perennial	Herb, Vine
Matelea edwardsensis	Plateau Milkvine, Plateau Milkweed Vine	Perennial	Vine
Matelea gonocarpos	Anglepod, Angularfruit Milkvine	Perennial	Vine
Matelea reticulata	Pearl Milkweed Vine, Netted Milkvine, Green Milkweed Vine, Net Vein Milkvine	Perennial	Vine	Part-shade	Dry
Maurandella antirrhiniflora	Snapdragon Vine , Roving Sailor, Climbing Snapdragon, Little Snapdragon Vine	Perennial	Vine	Part-shade	Dry
Mecardonia procumbens	Baby Jump-up	Annual	Herb
Melampodium leucanthum	Blackfoot Daisy, Rock Daisy, Plains Blackfoot, Arnica	Perennial	Herb	Sun, Part-shade	Dry
Melica nitens	Three-flower Melic, Tall Melicgrass, Threeflower Melicgrass, Melicgrass	Perennial	Grass/Grass-like	Part-shade	Moist, Dry
Melochia pyramidata	Pyramidflower, Broom-wood, Pyramid Flower	Annual	Herb, Subshrub, Shrub
Melothria pendula	Guadeloupe Cucumber, Meloncito, Speckled Gourd	Perennial	Vine
Melothria pendula var. pendula	Guadeloupe Cucumber	Perennial	Herb, Vine
Menispermum canadense	Common Moonseed	Perennial	Vine	Sun, Shade, Part-shade	Moist
Menodora heterophylla	Low Menodora, Redbud, Twinpod	Perennial	Herb	Part-shade	Dry
Menodora longiflora	Showy Menodora, Twinpod	Perennial	Herb	Part-shade	Dry
Mentzelia albescens	Wavyleaf Blazingstar	Perennial	Herb
Mentzelia nuda	Bractless Blazingstar, Sand Lily	Perennial	Herb
Mentzelia oligosperma	Stick-leaf, Chickenthief	Perennial	Shrub
Mentzelia reverchonii	Reverchon's Blazingstar, Reverchon's Stick-leaf, Prairie Stickleaf	Perennial	Shrub
Merremia dissecta	Alamo Vine, Noyau Vine, Correhuela De Las Doce	Perennial	Vine	Sun, Part-shade	Moist, Dry
Mikania scandens	Climbing Hempvine, Climbing Hempweed	Perennial	Vine	Shade	Wet
Mimosa aculeaticarpa	Catclaw Mimosa	Perennial	Shrub, Tree
Mimosa aculeaticarpa var. biuncifera	Catclaw Mimosa, Cat's-claw Mimosa, Wait-a-bit	Perennial	Tree
Mimosa borealis	Fragrant Mimosa, Pink Mimosa	Perennial	Shrub	Sun, Part-shade	Dry
Mimosa nuttallii	Nuttall's Sensitive Briar	Perennial	Herb
Mimosa roemeriana	Roemer's Mimosa, Sensitive Briar	Perennial	Herb	Sun	Dry
Mimosa strigillosa	Powderpuff, Sunshine Mimosa, Sensitive Plant	Perennial	Shrub		Moist, Dry
Mimulus alatus	Sharpwing Monkeyflower, Sharp-winged Monkeyflower	Perennial	Herb
Mimulus glabratus	Roundleaf Monkeyflower, Yellow Monkeyflower	Perennial	Herb
Minuartia drummondii	Drummond's Stitchwort, Sandwort	Annual	Herb
Mirabilis albida	White Four O'clock, Dwarf Four O'clock	Perennial	Herb	Sun	Dry
Mirabilis gigantea	Giant Four O'Clock	Perennial	Herb
Mirabilis linearis	Narrowleaf Four O'Clock	Perennial	Herb, Subshrub	Sun	Dry
Mirabilis nyctaginea	Heartleaf Four O'Clock	Perennial	Herb	Sun, Part-shade	Dry
Mitreola petiolata	Lax Hornpod	Annual	Herb
Modiola caroliniana	Carolina Bristlemallow, Carolina Modiola	Annual	Subshrub
Mollugo verticillata	Green Carpetweed	Annual	Herb
Monarda citriodora	Lemon Beebalm, Purple Horsemint, Lemon Mint, Plains Horsemint, Lemon Horsemint, Horsemint, Purple Lemon Mint	Annual	Herb	Sun, Part-shade	Dry
Monarda clinopodioides	Basil Beebalm	Annual	Herb
Monarda fistulosa	Wild Bergamot, Beebalm	Perennial	Herb	Sun, Part-shade	Moist, Dry
Monarda lindheimeri	Lindheimer's Beebalm, Lindheimer Beebalm	Perennial	Herb	Sun	Moist, Dry
Monarda punctata	Spotted Beebalm, Spotted Horsemint, Horsemint	Perennial	Herb	Sun	Dry
Monarda punctata var. lasiodonta	Spotted Beebalm	Annual	Subshrub
Monolepis nuttalliana	Nuttall's Povertyweed	Annual	Herb
Morella cerifera	Wax Myrtle , Southern Wax Myrtle, Southern Bayberry, Eastern Bayberry, Bayberry, Candleberry, Tallow Shrub	Perennial	Shrub	Sun, Part-shade	Wet, Moist
Morus microphylla	Texas Mulberry, Littleleaf Mulberry, Mountain Mulberry, Mexican Mulberry, Dwarf Mulberry	Perennial	Tree	Part-shade	Dry
Morus rubra	Red Mulberry, Moral	Perennial	Tree	Sun, Shade, Part-shade	Moist, Dry
Muhlenbergia arenicola	Sand Muhly	Perennial	Grass/Grass-like
Muhlenbergia capillaris	Gulf Muhly, Hair-awn Muhly, Hairy-awn Muhly, Hair Grass, Pink Muhly	Perennial	Grass/Grass-like	Sun	Moist, Dry
Muhlenbergia frondosa	Wirestem Muhly	Perennial	Grass/Grass-like	Part-shade
Muhlenbergia lindheimeri	Lindheimer's Muhly, Lindheimer Muhly, Big Muhly, Blue Muhly	Perennial	Grass/Grass-like	Sun	Moist, Dry
Muhlenbergia mexicana	Mexican Muhly, Leafy Satingrass, Wirestem Muhly	Perennial	Grass/Grass-like	Sun	Moist
Muhlenbergia reverchonii	Seep Muhly	Perennial	Grass/Grass-like	Sun	Moist, Dry
Muhlenbergia rigens	Deergrass, Meadow Muhly, Deer Muhly	Perennial	Grass/Grass-like	Sun	Moist
Muhlenbergia schreberi	Nimblewill	Perennial	Grass/Grass-like	Shade, Part-shade	Moist
Muhlenbergia sylvatica	Woodland Muhly	Perennial	Grass/Grass-like	Part-shade
Muhlenbergia utilis	Aparejo Grass, Aparejo Muhly	Perennial	Grass/Grass-like
Myosotis macrosperma	Largeseed Forget-me-not	Annual	Herb	Sun, Shade, Part-shade	Moist, Dry
Myriophyllum heterophyllum	Twoleaf Watermilfoil	Perennial	Herb
Najas guadalupensis	Common Water Nymph, Southern Water Nymph, Najas	Annual	Herb	Sun	Wet
Nama hispidum	Sand Bells, Bristly Nama, Sand-bell	Annual	Herb
Nama jamaicense	Jamaicanweed, Jamaican Weed, Fiddleleaf Nama	Annual	Herb
Nassella leucotricha	Texas Wintergrass, Texas Speargrass, Wintergrass	Perennial	Grass/Grass-like	Sun	Dry
Neeragrostis reptans	Creeping Lovegrass	Annual	Grass/Grass-like
Nekemias arborea	Peppervine	Perennial	Shrub, Vine	Sun, Part-shade	Moist
Nelumbo lutea	American Lotus, Yellow Water Lotus, Yellow Lotus	Perennial	Herb	Sun	Wet
Nemastylis geminiflora	Prairie Celestials, Celestials, Prairie Pleatleaf	Perennial	Herb	Sun, Part-shade	Dry
Nemophila phacelioides	Texas Baby Blue Eyes, Large-flower Baby-blue-eyes, Baby Blue-eyes, Flannel Breeches	Annual	Herb	Part-shade	Dry
Nephrolepis exaltata	Boston Swordfern	Perennial	Fern
Nephrolepis exaltata ssp. exaltata	Boston Fern, Sword Fern, Wild Boston Fern	Perennial	Fern
Neptunia lutea	Yellow Sensitive Briar, Yellow Puff	Perennial	Shrub	Sun
Neptunia pubescens	Tropical Puff	Perennial	Herb
Nicotiana repanda	Fiddleleaf Tobacco, Fiddle-leaf Tobacco	Annual	Herb
Nolina lindheimeriana	Devil's Shoestring, Devil's-shoestring, Ribbon Grass	Perennial	Shrub	Sun, Part-shade	Dry
Nolina texana	Texas Sacahuista, Texas Beargrass, Basket Grass, Sacahuista, Bunchgrass, Texas Bear-grass	Perennial	Grass/Grass-like	Part-shade	Dry
Nothoscordum bivalve	Crowpoison, False Garlic, Crow Poison	Perennial	Herb	Sun
Nuphar lutea	Yellow Pond Lily, Yellow Cow Lily, Cow Lily, Spatter Dock, Wakas	Perennial	Herb	Part-shade	Wet
Nuphar lutea ssp. advena	Common Spatterdock, Spatterdock, Yellow Cow-lily, Cow-lily, Yellow Pond-lily, Brandy-bottle	Perennial	Herb	Sun	Wet
Nuttallanthus canadensis	Canada Toadflax, Blue Toadflax, Old-field Toadflax	Annual	Herb	Sun	Moist
Nuttallanthus texanus	Texas Toadflax, Texas Toad-flax, Toadflax	Annual	Herb	Sun	Moist
Nyctaginia capitata	Devil's Bouquet, Scarlet Muskflower	Perennial	Herb	Sun, Part-shade	Dry
Nymphaea elegans	Tropical Royalblue Waterlily	Perennial	Herb
Nymphaea mexicana	Yellow Waterlily, Yellow Water-lily, Banana Lily, Banana Waterlily, Sun Lotus	Perennial	Herb	Sun	Wet
Nymphaea odorata	American White Water-lily, Fragrant White Water-lily, Fragrant Water-lily, White Water-lily, Sweet-scented White Water-lily, Sweet-scented Water-lily, Beaver Root	Perennial	Herb	Sun, Shade, Part-shade	Wet
Nymphaea odorata ssp. odorata	American White Waterlily	Perennial	Herb	Sun	Wet
Oenothera curtiflora	Velvetweed, Velvetleaf Gaura, Lizard-tail Gaura, Willow Gaura	Annual	Herb
Oenothera drummondii	Beach Evening-primrose, Beach Evening Primrose	Perennial	Herb	Sun	Moist, Dry
Oenothera filiformis	Longflower Beeblossom, Longflower Gaura, Large-flowered Gaura, Kearney Gaura, Tall Gaura	Annual, Biennial, Perennial	Herb
Oenothera grandis	Showy Evening-primrose, Largeflower Eveningprimrose, Showy Eveningprimrose	Annual	Herb
Oenothera heterophylla	Variable-leaf Evening-primrose	Annual	Herb
Oenothera jamesii	Trumpet Evening-primrose, Trumpet Evening Primrose, River Primrose	Biennial	Herb	Sun	Wet
Oenothera kunthiana	Kunth's Evening-primrose	Annual	Herb
Oenothera laciniata	Cutleaf Evening-primrose, Cut-leaved Evening Primrose	Annual	Herb	Part-shade
Oenothera lindheimeri	White Gaura, Butterfly Gaura, Lindheimer's Beeblossom, Lindheimer's Gaura	Perennial	Herb	Sun, Part-shade	Moist
Oenothera macrocarpa	Bigfruit Evening-primrose, Missouri Evening-primrose, Fluttermill, Big-fruit Evening-primrose, Missouri Primrose, Bigfruit Evening Primrose	Perennial	Herb	Sun	Dry
Oenothera macrocarpa ssp. macrocarpa	Bigfruit Evening-primrose, Fluttermill, Missouri Evening Primrose	Perennial	Herb	Sun, Part-shade	Dry
Oenothera patriciae	Plains Beeblossom, Plains Gaura	Annual	Herb
Oenothera rhombipetala	Fourpoint Evening-primrose, Four-point Evening Primrose, Diamond Petal Primrose, Greater Four-point Evening-primrose	Annual	Herb	Sun, Part-shade	Dry
Oenothera sinuosa	Wavyleaf Beeblossom, Wavyleaf Gaura	Perennial	Herb
Oenothera spachiana	Spach's Evening-primrose	Annual	Herb
Oenothera speciosa	Pink Evening Primrose, Showy Evening Primrose, Mexican Evening Primrose, Showy Primrose, Pink Ladies, Buttercups, Pink Buttercups	Perennial	Herb	Sun	Moist, Dry
Oenothera suffrutescens	Scarlet Beeblossom, Scarlet Gaura	Perennial	Shrub	Sun	Dry
Oenothera suffulta	Kisses, Wild Honeysuckle, Beeblossom, Roadside Gaura	Annual	Shrub	Sun	Moist
Oenothera triloba	Stemless Evening-primrose, Stemless Evening Primrose	Annual	Herb	Sun
Oenothera villosa	Hairy Evening Primrose	Biennial, Perennial	Herb
Oenothera villosa ssp. villosa	Hairy Evening-primrose	Biennial	Herb
Oenothera xerogaura	Drummond's Beeblossom, Drummond's Gaura	Perennial	Herb
Oligoneuron nitidum	Shiny Goldenrod	Perennial	Herb
Oligoneuron rigidum	Stiff Goldenrod, Hard-leaf Goldenrod	Perennial	Herb	Sun	Wet, Moist, Dry
Oligoneuron rigidum var. rigidum	Stiff Goldenrod	Perennial	Herb	Sun, Shade, Part-shade	Moist, Dry
Onoclea sensibilis	Sensitive Fern, Bead Fern, Sympathy Fern	Perennial	Herb, Fern	Shade, Part-shade	Wet, Moist
Onosmodium bejariense	Soft-hair Marbleseed	Perennial	Herb	Shade	Dry
Onosmodium bejariense var. bejariense	Soft-hair Marbleseed, False Gromwell	Perennial	Herb	Sun
Onosmodium bejariense var. occidentale	Western Marbleseed	Perennial	Herb
Onosmodium helleri	Heller's Marbleseed, Marble-seed	Perennial	Herb	Part-shade
Ophioglossum crotalophoroides	Bulbous Adder's-tongue	Perennial	Herb, Fern
Ophioglossum crotalophoroides var. crotalophoroides	Bulbous Adder's-tongue	Perennial	Fern
Ophioglossum engelmannii	Limestone Adder's-tongue, Limestone Adderstongue	Perennial	Herb, Fern
Ophioglossum vulgatum	Southern Adder's-tongue, Adder's-tongue, Adder's-tongue Fern	Perennial	Fern
Oplismenus hirtellus	Basketgrass	Perennial	Grass/Grass-like
Oplismenus hirtellus ssp. setarius	Basketgrass	Perennial	Grass/Grass-like
Opuntia engelmannii	Cactus Apple, Prickly Pear	Perennial	Cactus/Succulent	Sun	Dry
Opuntia engelmannii var. lindheimeri	Texas Prickly Pear, Lindheimer's Prickly Pear, Lindheimer Prickly Pear	Perennial	Cactus/Succulent	Sun, Part-shade	Dry
Opuntia humifusa	Low Prickly Pear, Smooth Prickly Pear, Devil's Tongue	Perennial	Cactus/Succulent	Sun	Dry
Opuntia macrorhiza	Bigroot Prickly Pear, Twist-spine Prickly Pear, Common Prickly Pear, Plains Prickly Pear	Perennial	Cactus/Succulent	Sun	Dry
Opuntia phaeacantha	Tulip Prickly Pear, Brownspine Prickly Pear Cactus, Purple-fruited Prickly Pear, Brown-spined Prickly Pear, New Mexico Prickly Pear, Desert Prickly Pear	Perennial	Cactus/Succulent	Part-shade	Dry
Orobanche ludoviciana	Louisiana Broomrape	Annual	Herb
Orobanche ludoviciana ssp. multiflora	Manyflower Broomrape	Annual	Herb
Osmorhiza longistylis	Longstyle Sweetroot, Aniseroot, Sweet-cicely, Wild Licorice	Perennial	Herb	Shade	Moist
Ostrya virginiana	Eastern Hop-hornbeam, American Hop-hornbeam, Woolly Hop-hornbean, Eastern Ironwood, Roughbark Ironwood, Ironwood, Deerwood, Leverwood	Perennial	Tree	Sun, Shade, Part-shade	Moist, Dry
Oxalis albicans	Radishroot Woodsorrel	Perennial	Herb, Subshrub
Oxalis dillenii	Slender Yellow Wood Sorrel, Yellow Wood Sorrel, Yellow Woodsorrel	Perennial	Herb
Oxalis drummondii	Drummond's Wood-sorrel, Large-leaf Wood-sorrel, Drummond's Woodsorrel	Perennial	Herb	Sun, Part-shade	Moist, Dry
Oxalis stricta	Common Yellow Oxalis, Yellow Wood-sorrel, Upright Yellow Wood-sorrel, Yellow Woodsorrel	Perennial	Herb	Sun	Dry
Oxalis violacea	Violet Woodsorrel, Violet Wood-sorrel	Perennial	Herb	Part-shade	Moist
Oxytropis lambertii	Purple Locoweed	Perennial	Herb	Sun
Packera glabella	Butterweed, Cress-leaf Groundsel, Yellowtop	Annual	Herb	Sun, Part-shade	Moist
Packera obovata	Golden Groundsel, Roundleaf Groundsel, Roundleaf Ragwort	Perennial	Herb	Shade, Part-shade	Moist
Packera plattensis	Prairie Groundsel, Prairie Ragwort	Biennial	Herb	Sun, Shade, Part-shade	Dry
Packera tampicana	Yellowtop, Great Plains Ragwort, Butterweed	Annual	Herb
Palafoxia callosa	Small Palafox, Small Palafoxia	Annual	Herb	Sun	Dry
Palafoxia rosea	Rosy Palafox, Rose Palafoxia	Annual	Herb	Part-shade	Dry
Palafoxia rosea var. macrolepis	Rosy Palafox	Annual	Herb
Palafoxia sphacelata	Othake, Sand Palafoxia	Annual	Herb		Dry
Panicum anceps	Beaked Panicgrass , Beaked Panic Grass	Perennial	Grass/Grass-like
Panicum capillare	Witchgrass	Annual	Grass/Grass-like
Panicum dichotomiflorum	Fall Panicgrass, Fall Panic Grass	Annual	Grass/Grass-like	Sun
Panicum diffusum	Spreading Witchgrass, West Indian Panicgrass, West Indian Panic Grass	Perennial	Grass/Grass-like
Panicum hallii	Hall's Panicgrass, Hall's Panic Grass	Perennial	Grass/Grass-like
Panicum obtusum	Vine Mesquite	Perennial	Grass/Grass-like	Part-shade
Panicum philadelphicum	Philadelphia Panicgrass, Philadelphia Panic Grass	Annual	Grass/Grass-like
Panicum rigidulum	Redtop Panicgrass, Redtop Panic Grass	Perennial	Grass/Grass-like	Sun
Panicum virgatum	Switchgrass, Wand Panic Grass	Perennial	Grass/Grass-like	Sun, Part-shade	Moist, Dry
Panicum virgatum var. virgatum	Switchgrass	Perennial	Grass/Grass-like
Pappophorum bicolor	Pink Pappasgrass, Pink Pappusgrass	Perennial	Grass/Grass-like	Part-shade	Moist
Parietaria pensylvanica	Pennsylvania Pellitory, Pennsylvania Cucumber Plant	Annual	Herb
Parkinsonia aculeata	Retama, Paloverde, Mexican Paloverde, Jerusalem Thorn, Horsebean, Lluvia De Oro	Perennial	Tree	Sun	Moist, Dry
Paronychia jamesii	James' Nailwort	Perennial	Subshrub
Paronychia lindheimeri	Forked Nailwort	Annual	Herb
Paronychia virginica	Whitlow-wort, Broom Nailwort, Yellow Nailwort, Park's Nailwort	Perennial	Herb, Subshrub	Sun	Dry
Parthenium confertum	Gray's Feverfew	Annual, Biennial, Perennial	Herb, Subshrub
Parthenocissus heptaphylla	Sevenleaf Creeper, Seven-leaf Creeper	Perennial	Vine	Sun, Shade, Part-shade	Moist
Parthenocissus quinquefolia	Virginia Creeper	Perennial	Vine	Sun, Shade, Part-shade	Moist
Parthenocissus vitacea	Woodbine, Hiedra Creeper	Perennial	Vine	Sun, Shade, Part-shade	Moist, Dry
Pascopyrum smithii	Western Wheatgrass	Perennial	Grass/Grass-like	Sun, Part-shade	Moist
Paspalidium geminatum	Egyptian Panicgrass	Perennial	Grass/Grass-like
Paspalum distichum	Knotgrass	Perennial	Grass/Grass-like	Sun
Paspalum floridanum	Florida Paspalum	Perennial	Grass/Grass-like	Part-shade	Moist
Paspalum langei	Rustyseed Paspalum	Perennial	Grass/Grass-like
Paspalum plicatulum	Brownseed Paspalum, Brownseed Paspale	Perennial	Grass/Grass-like	Part-shade	Moist
Paspalum pubiflorum	Hairyseed Paspalum	Perennial	Grass/Grass-like
Passiflora affinis	Bracted Passionflower, Passion Flower	Perennial	Vine	Sun, Part-shade	Moist, Dry
Passiflora incarnata	Maypop, Purple Passionflower, Purple Passion Vine, Apricot Vine	Perennial	Vine	Sun, Part-shade	Moist, Dry
Passiflora lutea	Yellow Passionflower, Yellow Passion Vine, Yellow Passion-flower	Perennial	Herb	Part-shade	Moist
Passiflora tenuiloba	Birdwing Passionflower, Slender-lobe Passionflower, Spread Lobe Passionflower, Bird Wing Passionflower	Perennial	Vine	Part-shade	Dry
Pavonia lasiopetala	Rock Rose, Rose Pavonia, Rose Mallow, Pavonia	Perennial	Shrub	Sun, Part-shade	Dry
Pectis angustifolia	Limoncillo, Lemonscent, Crownseed Pectis, Lemon-scented Pectis, Lemonscent Pectis, Lemonweed, Chinchweed, Fetid Marigold	Annual	Herb	Part-shade	Dry
Pectis angustifolia var. fastigiata	Lemonscent	Annual	Herb
Pediomelum cuspidatum	Indian-turnip, Largebract Indian Breadroot, Tall Scurfy Pea, Tall-bread Scurf-pea	Perennial	Herb
Pediomelum cyphocalyx	Turniproot, Wand Psoralea, Turnip-root Scurf-pea	Perennial	Herb
Pediomelum digitatum	Palmleaf Indian Breadroot, Palm-leaf Scurf-pea	Perennial	Herb
Pediomelum hypogaeum	Subterranean Indian Breadroot , Edible Scurf-pea, Prairie-potato, Pomme Blanche	Perennial	Herb
Pediomelum hypogaeum var. hypogaeum	Subterranean Indian Breadroot, Indian Breadroot, Edible Scurf-pea	Perennial	Herb
Pediomelum hypogaeum var. scaposum	Subterranean Indian Breadroot	Perennial	Herb
Pediomelum hypogaeum var. subulatum	Subterranean Indian Breadroot	Perennial	Herb
Pediomelum latestipulatum	Texas Plains Indian Breadroot, Scurfpea, Scurf-pea	Perennial	Herb
Pediomelum latestipulatum var. appressum	Texas Plains Indian Breadroot, Scurfpea, Scurf-pea	Perennial	Herb
Pediomelum latestipulatum var. latestipulatum	Texas Plains Indian Breadroot, Scurfpea, Scurf-pea	Perennial	Herb
Pediomelum linearifolium	Narrowleaf Indian Breadroot, Narrow-leaf Scurf-pea	Perennial	Herb
Pediomelum rhombifolium	Gulf Indian Breadroot, Brown-flowered Psoralea, Round-leaf Scurf-pea	Perennial	Herb
Pellaea atropurpurea	Purple Cliffbrake	Perennial	Herb, Fern		Dry
Pellaea ovata	Ovateleaf Cliffbrake, Ovate-leaf Cliffbrake	Perennial	Herb, Fern	Sun
Pellaea wrightiana	Wright's Cliffbrake Fern, Wright's Cliffbrake	Perennial	Fern
Penstemon albidus	White Penstemon, White Beardtongue, Red-line Penstemon, Red-line Beardtongue	Perennial	Herb	Sun
Penstemon cobaea	Prairie Penstemon, Prairie Beardtongue, Foxglove Penstemon, Foxglove Beardtongue, False Foxglove, Large-flowered Penstemon, Large-flowered Beardtongue, Cobaea Penstemon, Cobaea Beardtongue, Wild Foxglove	Perennial	Herb	Sun, Part-shade	Dry
Penstemon digitalis	Mississippi Penstemon, Mississippi Beardtongue, Smooth White Penstemon, Smooth White Beardtongue, Talus Slope Penstemon, Talus Slope Beardtongue, Foxglove Penstemon, Foxglove Beardtongue	Perennial	Herb	Sun, Part-shade	Wet, Moist, Dry
Penstemon fendleri	Fendler's Penstemon, Fendler's Beardtongue, Fendler Penstemon, Fendler Beardtongue, Purple Foxglove	Perennial	Herb	Sun
Penstemon grandiflorus	Large Penstemon, Large Beardtongue, Large-flower Penstemon, Large-flower Beardtongue, Large-flowered Penstemon, Large-flowered Beardtongue	Perennial	Herb	Sun
Penstemon guadalupensis	Guadalupe Penstemon, Guadalupe Beardtongue, White Penstemon, White Beardtongue	Perennial	Herb	Part-shade
Penstemon laxiflorus	Nodding Penstemon, Nodding Beardtongue, Loose-flowered Penstemon, Loose-flowered Beardtongue	Perennial	Herb	Part-shade	Dry
Penstemon murrayanus	Scarlet Penstemon, Scarlet Beardtongue, Red Penstemon, Red Beardtongue, Cupleaf Penstemon, Cupleaf Beardtongue	Perennial	Herb	Part-shade	Dry
Penstemon triflorus	Hill Country Penstemon, Hill Country Beardtongue, Scarlet Penstemon, Scarlet Beardtongue, Heller's Penstemon, Heller's Beardtongue	Perennial	Herb	Sun	Dry
Penstemon triflorus ssp. integrifolius	Heller's Penstemon, Heller's Beardtongue	Perennial	Herb
Penstemon triflorus ssp. triflorus	Heller's Penstemon, Heller's Beardtongue	Perennial	Herb
Penstemon tubaeflorus	White Wand Penstemon, White Wand Beardtongue	Perennial	Herb
Penthorum sedoides	Ditch Stonecrop	Perennial	Herb	Part-shade	Wet
Perityle lindheimeri	Lindheimer's Rockdaisy, Rock Daisy	Perennial	Herb, Subshrub
Phacelia congesta	Caterpillars, Blue Curls, Fiddleneck	Annual, Biennial	Herb	Sun, Part-shade	Dry
Phacelia hirsuta	Fuzzy Phacelia	Annual	Herb
Phacelia patuliflora	Sand Phacelia, Sand Scorpionweed, Blue Phacelia	Annual	Herb	Part-shade	Dry
Phacelia patuliflora var. patuliflora	Sand Phacelia	Annual	Herb
Phacelia popei	Pope's Phacelia	Annual	Herb
Phacelia strictiflora	Prairie Phacelia	Annual	Herb
Phalaris caroliniana	Carolina Canarygrass, Maygrass	Annual	Grass/Grass-like
Phemeranthus aurantiacus	Orange Flameflower, Flameflower, Fameflower, Talinum	Perennial	Subshrub	Part-shade	Dry
Phemeranthus calycinus	Largeflower Flameflower, Largeflower Fameflower	Perennial	Subshrub
Phemeranthus parviflorus	Sunbright, Dwarf Flameflower, Prairie Flameflower	Perennial	Herb	Sun
Philadelphus inodorus	Scentless Mock Orange	Perennial	Shrub
Phlox cuspidata	Pointed Phlox	Annual	Herb
Phlox drummondii	Annual Phlox, Drummond Phlox, Pride-of-Texas, Texas Pride	Annual	Herb	Sun, Part-shade	Dry
Phlox drummondii ssp. drummondii	Annual Phlox	Annual	Herb
Phlox drummondii ssp. mcallisteri	Mcallister's Phlox, Drummond Phlox	Annual	Herb
Phlox pilosa	Downy Phlox, Prairie Phlox, Fragrant Phlox	Perennial	Herb	Sun, Part-shade	Dry
Phlox pilosa ssp. pilosa	Downy Phlox, Prairie Phlox, Fragrant Phlox	Perennial	Herb	Part-shade	Dry
Phlox roemeriana	Goldeneye Phlox, Golden-eye Phlox	Annual	Herb	Part-shade	Dry
Phoradendron tomentosum	Christmas Mistletoe, Mistletoe, Injerto	Perennial	Subshrub
Phragmites australis	Common Reed, Phragmites	Perennial	Grass/Grass-like	Sun	Wet, Moist
Phryma leptostachya	American Lopseed, Lopseed	Perennial	Herb	Sun, Shade, Part-shade	Moist
Phyla lanceolata	Lanceleaf Frogfruit, Lanceleaf Fogfruit	Perennial	Herb
Phyla nodiflora	Texas Frogfruit, Turkey Tangle Fogfruit, Frogfruit	Perennial	Herb	Sun, Part-shade	Moist, Dry
Phyllanthus abnormis	Drummond's Leaf-flower	Annual	Herb
Phyllanthus caroliniensis	Carolina Leaf-flower	Annual	Herb
Phyllanthus polygonoides	Smartweed Leaf-flower, Knotweed Leafflower	Perennial	Subshrub
Physalis angulata	Cutleaf Groundcherry	Annual	Herb
Physalis cinerascens	Smallflower Groundcherry	Perennial	Herb
Physalis cinerascens var. cinerascens	Smallflower Groundcherry	Perennial	Herb
Physalis hederifolia	Ivyleaf Groundcherry, Ivy-leaf Groundcherry	Perennial	Subshrub
Physalis heterophylla	Clammy Groundcherry	Perennial	Herb		Dry
Physalis longifolia	Longleaf Groundcherry	Perennial	Herb
Physalis mollis	Field Groundcherry	Perennial	Herb
Physalis pubescens	Husk Tomato, Downy Ground-cherry, Downy Groundcherry	Annual	Herb
Physalis pumila	Dwarf Ground-cherry, Yellow Ground-cherry	Perennial	Herb
Physalis virginiana	Virginia Groundcherry	Perennial	Herb
Physostegia angustifolia	Narrowleaf False Dragonhead, False Dragon-head	Perennial	Herb
Physostegia intermedia	Spring Obedient Plant, Marsh Obedient Plant, Slender False Dragonhead, Intermediate False Dragonhead	Perennial	Herb	Sun, Part-shade	Moist
Physostegia pulchella	Showy False Dragonhead, Beautiful False Dragon-head	Perennial	Herb	Part-shade	Moist
Physostegia virginiana	Fall Obedient Plant, False Dragonhead, Virginia Lions-heart	Perennial	Herb	Sun, Shade, Part-shade	Moist
Physostegia virginiana ssp. praemorsa	Obedient Plant, Fall Obedient Plant, Lionheart, False Dragonhead	Perennial	Herb	Part-shade	Moist
Phytolacca americana	American Pokeweed, Great Pokeweed, Pokeweed, Pokeberry, Red Ink Plant, Pigeonberry	Perennial	Herb	Part-shade	Moist
Pilularia americana	American Pillwort	Perennial	Fern		Wet
Pinaropappus roseus	White Rocklettuce, White Dandelion, Pink Dandelion, White Rock Lettuce	Perennial	Herb
Pinus elliottii	Slash Pine	Perennial	Tree	Part-shade	Moist
Pinus taeda	Loblolly Pine, Oldfield Pine, Bull Pine, Rosemary Pine	Perennial	Tree	Part-shade	Dry
Piptochaetium avenaceum	Blackseed Speargrass	Perennial	Grass/Grass-like
Pistia stratiotes	Water Lettuce	Perennial	Herb
Pityopsis graminifolia	Narrowleaf Silkgrass, Golden Aster	Perennial	Herb	Part-shade
Plantago aristata	Largebracted Plantain, Buckthorn	Annual	Herb
Plantago elongata	Prairie Plantain	Annual	Herb
Plantago helleri	Heller's Plantain, Cedar Plantain	Annual	Herb
Plantago heterophylla	Slender Plantain	Annual	Herb
Plantago hookeriana	California Plantain, Tallow Weed	Annual	Herb
Plantago patagonica	Woolly Plantain, Bristle-bract Plantain	Annual	Herb
Plantago rhodosperma	Redseed Plantain, Red-seeded Plantain	Annual	Herb
Plantago rugelii	Blackseed Plantain, Pale Plantain	Perennial	Herb
Plantago rugelii var. rugelii	Blackseed Plantain	Perennial	Herb
Plantago virginica	Virginia Plantain, Paleseed Indian-wheat, Dwarf Plantain, Paleseed Plantain, Hoary Plantain, Southern Plantain	Annual, Biennial	Herb
Plantago wrightiana	Wright's Plantain	Annual	Herb
Platanus occidentalis	American Sycamore, Eastern Sycamore, American Plane Tree, Plane Tree, Buttonwood, Buttonball Tree	Perennial	Tree	Sun, Shade, Part-shade	Moist
Pleopeltis polypodioides	Resurrection Fern	Perennial	Herb, Fern, Vine
Pleopeltis polypodioides ssp. michauxiana	Resurrection Fern	Perennial	Fern
Pleuraphis mutica	Tobosagrass, Tobosa Grass	Perennial	Grass/Grass-like	Sun	Dry
Pluchea camphorata	Camphor Pluchea, Camphor Weed	Annual	Herb
Pluchea odorata	Sweetscent, Saltmarsh Fleabane	Annual	Subshrub	Sun, Shade, Part-shade	Moist
Pluchea odorata var. odorata	Sweetscent, Marsh Fleabane, Southern Marsh Fleabane	Perennial	Herb	Sun	Moist
Poa arachnifera	Texas Bluegrass, Texas Blue Grass	Perennial	Grass/Grass-like	Sun, Part-shade	Moist
Poa bigelovii	Bigelow's Bluegrass	Annual	Grass/Grass-like
Poa pratensis	Kentucky Bluegrass	Perennial	Grass/Grass-like	Sun	Moist, Dry
Poa sylvestris	Woodland Bluegrass, Sylvan Bluegrass, Sylvan Speargrass, Old-pasture Bluegrass	Perennial	Grass/Grass-like
Podophyllum peltatum	Mayapple, Indian Apple, Wild Mandrake, Pomme De Mai, Podophylle Pelt	Perennial	Herb	Shade, Part-shade	Moist
Polanisia dodecandra	Redwhisker Clammyweed, Clammyweed	Annual	Herb
Polanisia dodecandra ssp. trachysperma	Sandyseed Clammyweed, Clammy-weed, Clammyweed	Annual	Herb	Sun
Polanisia erosa	Large Clammyweed	Annual	Herb
Polanisia erosa ssp. erosa	Large Clammyweed	Annual	Herb
Polygala alba	White Milkwort	Perennial	Herb	Part-shade	Dry
Polygala incarnata	Procession Flower, Pink Milkwort	Annual	Herb	Sun	Dry
Polygala lindheimeri	Shrubby Milkwort, Purple Milkwort	Perennial	Herb, Subshrub
Polygala lindheimeri var. lindheimeri	Shrubby Milkwort, Purple Milkwort	Perennial	Herb, Subshrub
Polygala lindheimeri var. parvifolia	Shrubby Milkwort	Perennial	Herb, Subshrub
Polygala polygama	Racemed Milkwort, Pink Milkwort	Biennial	Herb	Shade, Part-shade	Moist
Polygala sanguinea	Purple Milkwort	Annual	Herb	Sun	Dry
Polygala verticillata	Whorled Milkwort	Annual	Herb	Sun	Moist
Polygonum amphibium	Water Knotweed, Water Smartweed	Perennial	Herb	Sun
Polygonum amphibium var. emersum	Longroot Smartweed	Perennial	Herb
Polygonum buxiforme	Box Knotweed	Annual	Herb
Polygonum glabrum	Denseflower Knotweed	Annual	Herb
Polygonum hydropiperoides	Swamp Smartweed	Perennial	Herb	Sun
Polygonum lapathifolium	Curlytop Knotweed, Curl-top Smartweed, Pale Smartweed	Annual	Herb
Polygonum pensylvanicum	Pennsylvania Smartweed, Pink Smartweed	Annual	Herb	Sun	Moist
Polygonum punctatum	Dotted Smartweed	Annual	Herb	Sun
Polygonum ramosissimum	Bushy Knotweed	Annual	Herb
Polygonum setaceum	Bog Smartweed	Perennial	Herb
Polygonum tenue	Pleatleaf Knotweed	Annual	Herb
Polypremum procumbens	Juniper Leaf, Rustweed	Annual, Perennial	Herb
Polytaenia nuttallii	Nuttall's Prairie Parsley, Prairie Parsley, Wild Dill, Prairie Parsnip	Biennial	Herb	Sun, Part-shade	Moist, Dry
Polytaenia texana	Texas Prairie Parsley, Texas-parsley, Texas Parsley	Biennial	Herb	Sun	Dry
Pomaria jamesii	James' Holdback, James Rush-pea	Perennial	Herb
Pontederia cordata	Pickerelweed, Pickerel Rush	Perennial	Herb	Sun, Part-shade	Wet, Moist
Populus deltoides	Eastern Cottonwood, Carolina Poplar, Necklace Poplar, Alamo	Perennial	Tree	Sun, Shade, Part-shade	Wet, Moist, Dry
Populus deltoides ssp. deltoides	Eastern Cottonwood, Southern Cottonwood, Carolina Poplar, Eastern Poplar, Necklace Poplar, Alamo	Perennial	Tree	Sun, Shade, Part-shade	Moist
Populus deltoides ssp. monilifera	Plains Cottonwood, Great Plains Cottonwood, Texas Cottonwood, Northern Cottonwood	Perennial	Tree	Part-shade	Dry
Portulaca pilosa	Kiss Me Quick, Chisme	Annual	Herb	Sun, Part-shade	Moist, Dry
Portulaca umbraticola	Wingpod Purslane, Purslane	Annual	Herb
Portulaca umbraticola ssp. umbraticola	Wingpod Purslane	Annual	Herb
Potamogeton diversifolius	Waterthread Pondweed, Threadleaf Pondweed	Perennial	Herb	Sun
Potamogeton foliosus	Leafy Pondweed	Perennial	Herb
Potamogeton foliosus ssp. foliosus	Leafy Pondweed	Perennial	Herb
Potamogeton illinoensis	Illinois Pondweed	Perennial	Herb
Potamogeton nodosus	Longleaf Pondweed, Knotty Pondweed	Perennial	Herb	Sun, Part-shade	Wet
Potamogeton pusillus	Small Pondweed	Perennial	Herb
Potentilla simplex	Common Cinquefoil, Oldfield Cinquefoil	Perennial	Herb	Shade, Part-shade	Dry
Proboscidea louisianica	Louisiana Devil's-claw, Devil's claw, Ram's-horn, Unicorn Plant, Proboscis Flower	Annual	Herb	Sun	Dry
Proboscidea louisianica ssp. louisianica	Ram's Horn, Devil's Claw, Unicorn Plant, Ram's Horn	Annual	Herb
Prosopis glandulosa	Honey Mesquite, Glandular Mesquite, Algarroba	Perennial	Tree	Sun	Dry
Prunella vulgaris	Common Selfheal	Perennial	Herb	Sun, Part-shade	Moist
Prunus angustifolia	Chickasaw Plum, Sandhill Plum	Perennial	Tree	Sun, Part-shade	Dry
Prunus caroliniana	Carolina Cherry-laurel, Cherry-laurel, Laurel Cherry, Carolina Laurel Cherry	Perennial	Tree	Sun, Part-shade	Moist
Prunus gracilis	Oklahoma Plum	Perennial	Shrub	Sun, Part-shade	Dry
Prunus mexicana	Mexican Plum, Bigtree Plum, Inch Plum	Perennial	Tree	Sun, Part-shade	Moist, Dry
Prunus minutiflora	Texas Almond, Texas Wild Almond, Dwarf Plum	Perennial	Shrub	Sun	Dry
Prunus rivularis	River Plum, Creek Plum, Hog Plum	Perennial	Shrub	Part-shade	Moist, Dry
Prunus serotina	Black Cherry, Wild Black Cherry, Rum Cherry	Perennial	Tree	Sun, Shade, Part-shade	Moist, Dry
Prunus serotina var. eximia	Escarpment Black Cherry, Edwards Plateau Black Cherry, Escarpment Cherry	Perennial	Tree	Sun, Part-shade	Moist
Prunus umbellata	Flatwoods Plum, Hog Plum, Black Sloe	Perennial	Tree		Dry
Pseudognaphalium obtusifolium	Sweet Everlasting, Rabbit-tobacco, Fragrant Cudweed	Annual	Herb
Pseudognaphalium obtusifolium ssp. obtusifolium	Blunt-leaf Rabbit-tobacco, Rabbit Tobacco, Sweet Everlasting, Fragrant Cudweed	Annual	Herb	Part-shade	Moist
Pseudognaphalium stramineum	Cottonbatting Plant	Annual	Herb
Psilostrophe tagetina	Woolly Paperflower, Paperflower	Biennial, Perennial	Herb, Subshrub	Sun, Part-shade	Dry
Psilostrophe tagetina var. cerifera	Woolly Paperflower, Plains Paperflower, Hairy Paperflower	Biennial, Perennial	Herb
Psoralidium tenuiflorum	Slimflower Scurfpea, Scurfy Pea	Perennial	Herb
Ptelea trifoliata	Wafer Ash, Common Hoptree, Hop Tree	Perennial	Tree	Sun, Shade, Part-shade	Wet, Moist, Dry
Ptelea trifoliata ssp. trifoliata	Common Hoptree, Baldwin Hop-tree	Perennial	Tree
Ptilimnium capillaceum	Herbwilliam	Annual	Herb
Ptilimnium costatum	Ribbed Mock Bishopweed	Annual	Herb
Ptilimnium nuttallii	Laceflower, Mock Bishop's-weed	Annual	Herb
Pycnanthemum tenuifolium	Narrowleaf Mountain Mint, Slender Mountain Mint, Common Horsemint	Perennial	Herb	Sun, Part-shade	Moist, Dry
Pyrrhopappus carolinianus	Carolina Desert-chicory, Texas Dandelion, False Dandelion	Annual	Herb
Pyrrhopappus grandiflorus	Tuberous Desert-chicory	Perennial	Herb
Pyrrhopappus pauciflorus	Smallflower Desert-chicory, Texas Dandelion, False Dandelion	Annual	Herb	Sun, Part-shade	Moist, Dry
Quercus alba	White Oak, Northern White Oak, Eastern White Oak, Stave Oak, Ridge White Oak, Forked-leaf White Oak	Perennial	Tree	Sun, Shade, Part-shade	Moist, Dry
Quercus buckleyi	Texas Red Oak, Buckley Oak, Texas Oak, Spanish Oak, Spotted Oak, Rock Oak	Perennial	Tree	Sun, Part-shade	Dry
Quercus fusiformis	Escarpment Live Oak, Plateau Live Oak, Hill Country Live Oak, Texas Live Oak, Scrub Live Oak, Plateau Oak, Encino Molino, Tesmoli	Perennial	Tree	Sun, Part-shade	Dry
Quercus macrocarpa	Bur Oak, Burr Oak, Savanna Oak, Overcup Oak, Prairie Oak, Mossy-cup Oak, Mossy-overcup Oak, Blue Oak	Perennial	Tree	Sun, Shade, Part-shade	Wet, Moist, Dry
Quercus margaretta	Sand Post Oak, Runner Oak, Drummond Post Oak, Dwarf Post Oak, Scrubby Post Oak	Perennial	Tree
Quercus marilandica	Blackjack Oak, Barren Oak, Black Oak, Jack Oak	Perennial	Tree	Part-shade	Dry
Quercus mohriana	Mohr Oak, Shin Oak, Scrub Oak	Perennial	Shrub, Tree	Part-shade	Dry
Quercus muehlenbergii	Chinkapin Oak, Chinquapin Oak, Chestnut Oak, Yellow Chestnut Oak, Rock Chestnut Oak, Yellow Oak, Rock Oak	Perennial	Tree	Sun, Part-shade	Dry
Quercus nigra	Water Oak, Possum Oak, Duck Oak, Punk Oak, Spotted Oak	Perennial	Tree	Part-shade	Wet
Quercus shumardii	Shumard Oak, Shumard's Oak, Shumard Red Oak, Southern Red Oak, Swamp Red Oak, Spotted Oak	Perennial	Tree	Sun, Part-shade	Moist, Dry
Quercus sinuata	Bastard Oak, Durand Oak	Perennial	Tree	Sun	Dry
Quercus sinuata var. breviloba	White Shin Oak, Bigelow Oak, Scaly-bark Oak, Limestone Durand Oak, Shortlobe Oak, Bastard Oak	Perennial	Tree	Part-shade	Dry
Quercus stellata	Post Oak, Iron Oak, Cross Oak	Perennial	Tree	Part-shade	Dry
Quercus texana	Nuttall Oak, Texas Oak	Perennial	Tree	Part-shade
Quercus velutina	Black Oak, Quercitron Oak, Yellow Oak, Smoothbark Oak, Yellowbark Oak	Perennial	Tree	Sun, Part-shade	Dry
Quercus virginiana	Coastal Live Oak, Southern Live Oak, Virginia Live Oak, Live Oak, Encino	Perennial	Tree	Sun, Part-shade	Moist
Quincula lobata	Purple Groundcherry, Chinese Lantern, Purple Ground Cherry	Perennial	Herb	Sun, Part-shade	Dry
Ranunculus abortivus	Littleleaf Buttercup, Kidney-leaf Buttercup, Early Wood Buttercup	Biennial	Herb	Shade	Moist
Ranunculus fascicularis	Early Buttercup, Tufted Buttercup, Prairie Buttercup	Perennial	Herb	Sun, Shade, Part-shade
Ranunculus hispidus	Bristly Buttercup	Perennial	Herb	Part-shade
Ranunculus hispidus var. nitidus	Bristly Buttercup, Buttercup	Perennial	Herb
Ranunculus macranthus	Large Buttercup	Perennial	Herb	Sun	Moist
Ranunculus pusillus	Low Spearwort, Weakstem Buttercup	Annual	Herb
Ranunculus sceleratus	Cursed Buttercup	Annual	Herb	Part-shade
Ranunculus sceleratus var. sceleratus	Cursed Buttercup	Annual	Herb
Ratibida columnifera	Mexican Hat, Red-spike Mexican Hat, Upright Prairie Coneflower, Prairie Coneflower, Long-headed Coneflower, Thimbleflower	Perennial	Herb	Sun	Moist, Dry
Rhus aromatica	Fragrant Sumac, Aromatic Sumac, Lemon Sumac, Polecat Bush	Perennial	Shrub	Sun, Shade, Part-shade	Moist, Dry
Rhus aromatica var. serotina	Fragrant Sumac	Perennial	Shrub
Rhus copallinum	Winged Sumac, Shining Sumac, Flameleaf Sumac, Mountain Sumac, Dwarf Sumac, Wing-rib Sumac, Black Sumac, Upland Sumac	Perennial	Shrub	Sun	Dry
Rhus glabra	Smooth Sumac	Perennial	Shrub	Sun, Shade, Part-shade	Dry
Rhus lanceolata	Prairie Flameleaf Sumac, Flameleaf Sumac, Prairie Sumac, Lance-leaf Sumac, Lance-leaved Sumac, Texas Sumac, Tree Sumac, Limestone Sumac, Prairie Shining Sumac	Perennial	Tree	Sun	Dry
Rhus trilobata	Skunkbush, Skunkbush Sumac, Fragrant Sumac, Aromatic Sumac, Scented Sumac, Ill-scented Sumac, Basketbush, Squawbush	Perennial	Shrub	Sun, Part-shade	Dry
Rhus trilobata var. trilobata	Skunkbush Sumac	Perennial	Shrub
Rhus virens	Evergreen Sumac, Tobacco Sumac, Lambrisco, Lentrisco	Perennial	Shrub	Sun, Part-shade	Dry
Rhynchosia latifolia	Prairie Snoutbean	Perennial	Vine
Rhynchosia minima	Least Snoutbean	Perennial	Vine
Rhynchosia senna	Texas Snoutbean	Annual	Herb, Vine
Rhynchosia senna var. texana	Texas Snoutbean, Texas Snout-bean	Perennial	Vine
Rhynchosida physocalyx	Bladderpod Sida, Buffpetal, Beaked Sida	Perennial	Herb
Rhynchospora colorata	Whitetop Sedge, White-topped Sedge, Starrush Whitetop, Star Sedge, Star Rush	Perennial	Grass/Grass-like	Sun, Part-shade	Wet
Rhynchospora corniculata	Shortbristle Horned Beaksedge, Horned Beakrush	Perennial	Grass/Grass-like	Sun
Rhynchospora harveyi	Harvey's Beaksedge	Perennial	Grass/Grass-like
Rhynchospora macrostachya	Tall Horned Beaksedge	Perennial	Grass/Grass-like
Rhynchospora nivea	Showy Whitetop	Perennial	Grass/Grass-like
Richardia tricocca	Prairie Mexican Clover	Perennial	Herb
Rivina humilis	Pigeonberry, Rouge Plant, Baby-peppers, Bloodberry	Perennial	Herb	Part-shade	Moist
Robinia hispida	Bristly Locust, Standing Sweet Pea	Perennial	Shrub	Sun
Robinia pseudoacacia	Black Locust	Perennial	Tree	Sun	Moist, Dry
Rorippa palustris	Bog Yellowcress	Annual	Herb
Rosa foliolosa	White Prairie Rose, Leafy Rose	Perennial	Subshrub	Sun, Part-shade
Rosa setigera	Climbing Prairie Rose, Climbing Rose, Prairie Rose	Perennial	Shrub	Sun, Shade, Part-shade	Moist, Dry
Rotala ramosior	Lowland Rotala	Annual	Herb	Sun	Moist
Rubus aboriginum	Garden Dewberry	Perennial	Subshrub, Vine
Rubus trivialis	Southern Dewberry, Dewberry	Perennial	Herb	Sun, Part-shade	Moist, Dry
Rudbeckia grandiflora	Rough Coneflower, Tall Coneflower, Largeflower Coneflower	Perennial	Herb	Sun	Moist
Rudbeckia hirta	Black-eyed Susan, Common Black-eyed Susan, Brown-eyed Susan, Blackeyed Susan	Annual, Biennial, Perennial	Herb	Sun	Moist, Dry
Rudbeckia hirta var. pulcherrima	Black-eyed Susan, Blackeyed Susan, Brown-eyed Susan, Pinewoods Coneflower	Annual, Biennial, Perennial	Herb	Sun	Dry
Rudbeckia maxima	Giant Coneflower, Great Coneflower, Giant Brown-eyed Susan, Cabbage Coneflower	Perennial	Herb	Sun, Part-shade	Moist
Ruellia caroliniensis	Carolina Wild Petunia	Perennial	Herb	Part-shade	Moist
Ruellia drummondiana	Drummond's Ruellia, Drummond's Wild Petunia	Perennial	Herb	Shade, Part-shade	Dry
Ruellia humilis	Prairie Petunia, Fringeleaf Wild Petunia, Hairy Ruellia, Low Wild Petunia, Low Ruellia, Fringeleaf Ruellia, Fringe-leaf Wild Petunia	Perennial	Herb	Part-shade	Moist
Ruellia metziae	White Ruellia, Metz's Wild Petunia, Metz Wild Petunia, Wild White Petunia	Perennial	Herb	Sun	Moist
Ruellia nudiflora	Violet Ruellia, Common Wild Petunia, Violet Wild Petunia, Wild Petunia, Hierba De La Calentura	Perennial	Herb	Sun, Shade, Part-shade	Moist, Dry
Ruellia nudiflora var. nudiflora	Violet Wild Petunia	Perennial	Herb
Ruellia strepens	Limestone Ruellia, Limestone Wild Petunia	Perennial	Herb
Rumex altissimus	Pale Dock	Perennial	Herb
Rumex chrysocarpus	Amamastla	Perennial	Herb
Rumex hastatulus	Heartwing Sorrel, Heart-wing Sorrel	Perennial	Herb
Rumex hymenosepalus	Canaigre Dock, Canaigre, Desert Rhubarb	Perennial	Herb
Rumex spiralis	Winged Dock	Perennial	Herb
Sabal minor	Dwarf Palmetto, Bush Palmetto, Palmetto	Perennial	Shrub	Sun, Shade, Part-shade	Moist, Dry
Sabatia angularis	Rosepink, Rose-pink	Annual	Herb	Part-shade	Moist
Sabatia arenicola	Sand Rose Gentian	Annual	Herb	Sun
Sabatia campestris	Texas Star, Rose Gentian, Meadow Pink, Prairie Rose-gentian, Prairie Sabatia	Annual	Herb	Part-shade	Dry
Saccharum giganteum	Sugarcane Plumegrass, Giant Plumegrass	Perennial	Grass/Grass-like	Sun	Wet, Moist
Sagina decumbens	Trailing Pearlwort	Annual	Herb
Sagina decumbens ssp. decumbens	Trailing Pearlwort	Annual	Herb
Sagittaria calycina	Hooded Arrowhead	Perennial	Herb
Sagittaria graminea	Grassy Arrowhead, Grass-leaf Arrowhead	Perennial	Herb
Sagittaria graminea var. graminea	Grassy Arrowhead	Perennial	Herb
Sagittaria latifolia	Broadleaf Arrowhead, Arrowhead, Duckroot, Duck-potato, Wapato	Perennial	Herb	Sun, Part-shade	Wet
Sagittaria longiloba	Longbarb Arrowhead, Flecha De Agua, Long-lobe Arrowhead, Long-barb Arrowhead	Perennial	Herb	Part-shade
Sagittaria platyphylla	Delta Arrowhead	Perennial	Herb	Part-shade	Wet
Salix exigua	Narrowleaf Willow, Narrow-leaf Willow, Sandbar Willow, Coyote Willow	Perennial	Shrub	Sun, Part-shade	Wet, Moist
Salix nigra	Black Willow, Gulf Black Willow, Swamp Willow, Sauz	Perennial	Tree	Sun, Shade, Part-shade	Wet, Moist
Salvia azurea	Pitcher Sage, Big Blue Sage, Azure Sage, Giant Blue Sage, Blue Sage	Perennial	Herb	Part-shade	Dry
Salvia azurea var. grandiflora	Pitcher Sage, Blue Sage	Perennial	Herb	Sun, Part-shade	Dry
Salvia ballotiflora	Shrubby Blue Sage, Blue Shrub Sage, Mejorana	Perennial	Shrub	Sun, Part-shade	Dry
Salvia coccinea	Scarlet Sage, Tropical Sage, Blood Sage, Red Sage, Indian Fire	Annual, Perennial	Herb	Sun, Shade, Part-shade	Moist, Dry
Salvia engelmannii	Engelmann's Sage, Engelmann's Salvia	Perennial	Herb	Sun, Part-shade	Moist, Dry
Salvia farinacea	Mealy Blue Sage, Mealy Sage, Mealycup Sage	Perennial	Herb	Sun	Moist
Salvia greggii	Autumn Sage, Cherry Sage, Gregg Salvia	Perennial	Shrub	Sun	Dry
Salvia lyrata	Lyreleaf Sage, Cancer Weed	Perennial	Herb	Sun, Shade, Part-shade	Moist, Dry
Salvia reflexa	Mintweed, Lanceleaf Sage, Lamb's-leaf Sage, Rocky Mountain Sage, Sage Mint, Blue Sage	Annual	Herb
Salvia roemeriana	Cedar Sage	Perennial	Herb	Part-shade	Dry
Salvia texana	Texas Sage, Blue Sage	Perennial	Herb	Sun, Part-shade	Dry
Sambucus nigra	Black Elderberry	Perennial	Shrub, Tree
Sambucus nigra ssp. canadensis	Common Elderberry, Black Elder, Mexican Elderberry, Common Elder, Elderberry, Tapiro, Sauco	Perennial	Shrub	Part-shade	Wet
Samolus ebracteatus	Limewater Brookweed	Perennial	Herb
Samolus ebracteatus ssp. cuneatus	Limewater Brookweed, Limerock Brookweed	Perennial	Herb	Part-shade
Samolus valerandi	Seaside Brookweed	Perennial	Herb
Samolus valerandi ssp. parviflorus	Seaside Brookweed, Water Pimpernel, Thin-leaf Brookweed	Perennial	Herb	Part-shade
Sanicula canadensis	Canadian Blacksnakeroot, Black Snakeroot	Biennial	Herb
Sanicula odorata	Clustered Blacksnakeroot	Perennial	Herb
Sapindus saponaria	Wingleaf Soapberry, Soapberry, Wild China Tree	Perennial	Tree
Sapindus saponaria var. drummondii	Western Soapberry, Soapberry, Wild China Tree, Wild Chinaberry, Indian Soap Plant, Jaboncillo	Perennial	Tree	Sun, Part-shade	Moist, Dry
Saururus cernuus	Lizard's Tail, Lizard Tail, Breastweed, Water Dragon	Perennial	Herb	Shade, Part-shade	Wet, Moist
Schedonnardus paniculatus	Tumblegrass, Tumble Grass	Perennial	Grass/Grass-like
Schizachyrium scoparium	Little Bluestem, Popotillo Azul	Perennial	Grass/Grass-like	Sun, Part-shade	Dry
Schoenocaulon texanum	Texas Feathershank, Green Lily, Texas Sabadilla	Perennial	Herb	Sun, Part-shade	Dry
Schoenoplectus acutus	Hardstem Bulrush, Tule	Perennial	Grass/Grass-like
Schoenoplectus californicus	California Bulrush, California Club-rush, Giant Bulrush	Perennial	Herb	Sun
Schoenoplectus pungens	Common Threesquare, Chairmaker's-rush, American Bulrush, Threesquare Bulrush, Sharp Clubrush	Perennial	Grass/Grass-like
Schoenoplectus tabernaemontani	Softstem Bulrush, Soft-stem Club-rush, Great Bulrush	Perennial	Grass/Grass-like	Sun	Wet
Scirpus atrovirens	Green Bulrush, Dark Green Bulrush	Perennial	Grass/Grass-like	Sun	Wet
Scirpus georgianus	Georgia Bulrush	Perennial	Grass/Grass-like	Part-shade
Scirpus pendulus	Rufous Bulrush	Perennial	Grass/Grass-like	Sun	Wet, Moist
Scleria ciliata	Fringed Nutrush	Perennial	Grass/Grass-like
Scleria oligantha	Littlehead Nutrush	Perennial	Grass/Grass-like
Scleria triglomerata	Whip Nutrush	Perennial	Grass/Grass-like
Scutellaria cardiophylla	Gulf Skullcap	Annual	Herb
Scutellaria drummondii	Drummond's Skullcap	Annual	Herb	Sun	Dry
Scutellaria drummondii var. drummondii	Drummond's Skullcap	Annual	Herb
Scutellaria drummondii var. edwardsiana	Drummond's Skullcap	Annual	Herb
Scutellaria elliptica	Hairy Skullcap	Perennial	Herb
Scutellaria elliptica var. hirsuta	Hairy Skullcap	Perennial	Herb
Scutellaria ovata	Heartleaf Skullcap, Heart-leaf Skullcap	Perennial	Herb	Shade, Part-shade	Moist
Scutellaria parvula	Small Skullcap	Perennial	Herb
Scutellaria resinosa	Sticky Skullcap, Shrubby Skullcap, Resin-dot Skullcap, Resinous Skullcap	Perennial	Herb	Part-shade	Dry
Scutellaria wrightii	Wright's Skullcap, Bushy Skullcap, Shrubby Skullcap	Perennial	Shrub	Sun, Part-shade	Moist, Dry
Sedum nuttallianum	Yellow Stonecrop	Annual	Herb	Sun	Dry
Sedum pulchellum	Widowscross	Annual	Herb		Wet
Selaginella apoda	Meadow Spikemoss	Perennial	Herb
Selaginella arenicola ssp. riddellii	Riddell's Spikemoss	Perennial	Herb
Selaginella peruviana	Peruvian Spikemoss	Perennial	Herb
Senecio ampullaceus	Texas Ragwort, Texas Groundsel, Texas Butterweed	Annual	Herb
Senecio flaccidus	Threadleaf Ragwort, Threadleaf Groundsel	Perennial	Subshrub
Senegalia roemeriana	Roemer Acacia, Roemer's Acacia, Roundflower Catclaw, Round-flowered Catclaw, Catclaw Acacia, Catclaw	Perennial	Shrub, Tree	Sun	Dry
Senegalia wrightii	Wright Acacia, Wright's Acacia, Catclaw Acacia, Catclaw	Perennial	Tree	Sun, Part-shade	Dry
Senna lindheimeriana	Lindheimer's Senna, Velvet Leaf Senna, Velvetleaf Senna, Velvet-leaf Wild Sensitive-plant, Puppy-dog Ears	Perennial	Shrub	Sun, Part-shade	Dry
Senna marilandica	Maryland Senna, Maryland Wild Senna, Southern Wild Senna, Wild Senna	Perennial	Herb	Sun	Moist
Senna obtusifolia	Java-bean, Sicklepod	Annual	Herb
Senna pumilio	Dwarf Senna	Perennial	Herb
Senna roemeriana	Twoleaf Senna, Two Leaved Senna	Perennial	Shrub	Part-shade	Dry
Sesbania drummondii	Rattlebush, Rattlebox, Poisonbean	Perennial	Shrub
Sesbania herbacea	Coffeeweed, Bigpod Sesbania	Annual	Subshrub
Sesbania vesicaria	Bagpod, Bladderpod	Annual	Herb, Subshrub
Setaria grisebachii	Grisebach's Bristlegrass	Annual	Grass/Grass-like
Setaria leucopila	Streambed Bristlegrass, Plains Bristlegrass	Perennial	Grass/Grass-like
Setaria magna	Giant Bristlegrass	Annual	Grass/Grass-like
Setaria parviflora	Marsh Bristlegrass, Knotroot Bristlegrass	Perennial	Grass/Grass-like	Part-shade	Moist
Setaria reverchonii	Reverchon's Bristlegrass	Perennial	Grass/Grass-like
Setaria reverchonii ssp. ramiseta	Rio Grande Bristlegrass	Perennial	Grass/Grass-like
Setaria scheelei	Southwestern Bristlegrass, Scheele's Bristlegrass, Scheele's Foxtail Grass, Foxtail Grass	Perennial	Grass/Grass-like	Shade, Part-shade	Moist, Dry
Sibara virginica	Virginia Winged Rockcress	Annual	Herb
Sicyos angulatus	One-seed Burr Cucumber, Star Cucumber	Annual	Vine
Sida ciliaris	Bracted Fanpetals, Bracted Sida	Annual	Herb
Sida lindheimeri	Lindheimer's Sida, Showy Fanpetals	Perennial	Herb
Sida rhombifolia	Cuban Jute, Axocatzin	Annual	Herb, Subshrub
Sida spinosa	Prickly Fanpetals	Annual	Subshrub
Sideroxylon lanuginosum	Gum Bumelia, Gum Bully, Woollybucket Bumelia, Woolly Bumelia, Gum Woollybucket, Woolly Buckthorn, Chittamwood, Shittamwood, Gum Elastic, Coma, Black Haw	Perennial	Shrub, Tree	Sun, Part-shade	Dry
Sideroxylon lanuginosum ssp. oblongifolium	Gum Bully, Chittamwood, Gum Elastic Tree	Perennial	Shrub	Part-shade	Dry
Silene antirrhina	Sleepy Silene, Sleepy Catchfly	Annual	Herb
Silene stellata	Widow's Frill, Starry Campion	Perennial	Herb	Part-shade	Moist
Silphium albiflorum	White Rosinweed, White-flowered Rosinweed, Compass Plant	Perennial	Herb	Sun	Dry
Silphium laciniatum	Compassplant, Compass Plant	Perennial	Herb	Sun	Dry
Silphium radula	Roughstem Rosinweed	Perennial	Herb	Sun
Simsia calva	Awnless Bush Sunflower, Bush Sunflower	Perennial	Herb	Sun	Dry
Sisyrinchium angustifolium	Narrowleaf Blue-eyed Grass, Narrow-leaf Blue-eyed-grass, Bermuda Blue-eyed Grass, Blue-eyed Grass	Perennial	Herb	Sun, Part-shade	Wet, Moist
Sisyrinchium biforme	Wiry Blue-eyed Grass	Perennial	Herb
Sisyrinchium campestre	Prairie Blue-eyed Grass, White-eyed Grass	Perennial	Herb	Sun	Moist, Dry
Sisyrinchium chilense	Swordleaf Blue-eyed Grass, Sword-leaf Blue-eyed Grass	Perennial	Herb	Sun, Part-shade	Moist, Dry
Sisyrinchium langloisii	Roadside Blue-eyed Grass, Dotted Blue-eyed Grass, Southern Blue-eyed Grass	Perennial	Herb	Part-shade	Dry
Sisyrinchium minus	Dwarf Blue-eyed-grass, Pink-eyed-grass, Pink Blue-eyed-grass	Annual	Herb	Sun, Part-shade	Moist, Dry
Smallanthus uvedalius	Hairy Leafcup	Perennial	Herb	Sun, Part-shade	Moist, Dry
Smilax bona-nox	Sawbriar, Saw Greenbriar, Catbriar, Bullbriar, Stretchberry Vine	Perennial	Vine	Shade	Moist, Dry
Smilax glauca	Cat Greenbriar	Perennial	Shrub, Vine
Smilax rotundifolia	Roundleaf Greenbriar, Common Greenbriar	Perennial	Shrub, Vine	Sun, Shade, Part-shade	Moist
Smilax smallii	Lance-leaf Greenbriar, Southern Smilax, Jacksonvine, Jacksonbriar	Perennial	Vine	Sun, Part-shade	Moist
Smilax tamnoides	Bristly Greenbriar	Perennial	Shrub, Vine
Solanum carolinense	Carolina Horsenettle, Carolina Horse-nettle	Perennial	Herb
Solanum citrullifolium	Watermelon Nightshade, Melonleaf Nightshade	Annual	Herb
Solanum dimidiatum	Western Horsenettle, Western Horse-nettle	Perennial	Herb
Solanum elaeagnifolium	Silverleaf Nightshade, Silver-leaf Nightshade, White Horse Nettle, Trompillo, Tomato Weed, Bull Nettle	Perennial	Herb	Sun	Dry
Solanum rostratum	Buffalo Bur, Buffalo Bur Nightshade, Buffalobur Nightshade	Annual	Herb	Sun
Solanum triquetrum	Texas Nightshade, Hierba Mora	Perennial	Herb, Vine
Solidago altissima	Tall Goldenrod, Late Goldenrod, Canadian Goldenrod, Canada Goldenrod	Perennial	Herb	Sun, Part-shade	Moist
Solidago canadensis	Canada Goldenrod, Canadian Goldenrod, Tall Goldenrod, Giant Goldenrod	Perennial	Herb	Sun, Part-shade	Moist, Dry
Solidago gigantea	Giant Goldenrod, Smooth Goldenrod, Tall Goldenrod, Late Goldenrod, Early Goldenrod	Perennial	Herb	Part-shade
Solidago juliae	Julia's Goldenrod	Perennial	Herb
Solidago missouriensis	Missouri Goldenrod, Prairie Goldenrod, Missouri Basin Goldenrod	Perennial	Herb	Sun
Solidago nemoralis	Gray Goldenrod, Prairie Goldenrod, Oldfield Goldenrod, Grayleaf Goldenrod, Gray-leaved Goldenrod, Dyersweed Goldenrod, Dwarf Goldenrod, Field Goldenrod	Perennial	Herb	Sun, Shade, Part-shade	Dry
Solidago odora	Anisescented Goldenrod, Anise-scented Goldenrod, Sweet Goldenrod	Perennial	Herb	Sun	Moist
Solidago petiolaris	Downy Ragged Goldenrod, Downy Goldenrod	Perennial	Herb
Solidago radula	Western Rough Goldenrod	Perennial	Herb
Solidago rugosa	Wrinkleleaf Goldenrod, Wrinkle-leaf Goldenrod, Rough-leaved Goldenrod, Roughleaf Goldenrod, Rough-stemmed Goldenrod, Roughstem Goldenrod	Perennial	Herb	Sun	Wet
Solidago speciosa	Showy Goldenrod, Noble Goldenrod	Perennial	Herb	Part-shade	Moist
Solidago ulmifolia	Elmleaf Goldenrod, Elm-leaved Goldenrod	Perennial	Herb	Sun	Dry
Sophora nuttalliana	Silky Sophora	Perennial	Herb
Sophora secundiflora	Texas Mountain Laurel, Mountain Laurel, Mescal Bean, Mescal Bean Sophora, Frijolillo, Frijolito	Perennial	Shrub, Tree	Sun, Part-shade	Moist, Dry
Sorghastrum nutans	Indiangrass, Yellow Indiangrass, Indian Grass	Perennial	Grass/Grass-like	Sun, Shade, Part-shade	Moist, Dry
Spartina pectinata	Prairie Cordgrass, Freshwater Cordgrass, Sloughgrass	Perennial	Grass/Grass-like	Sun	Wet
Spartina spartinae	Gulf Cordgrass	Perennial	Grass/Grass-like	Sun	Wet
Spergularia salina	Salt Sandspurry	Annual	Herb
Spermolepis divaricata	Roughfruit Scaleseed	Annual	Herb
Spermolepis echinata	Bristly Scaleseed	Annual	Herb
Spermolepis inermis	Red River Scaleseed, Spreading Scaleseed	Annual	Herb
Sphaeralcea angustifolia	Narrowleaf Globemallow, Copper Globemallow, Copper Mallow	Perennial	Herb	Part-shade	Dry
Sphaeralcea coccinea	Scarlet Globemallow, Caliche Globemallow	Biennial	Shrub	Sun	Dry
Sphaeralcea hastulata	Spear Globemallow	Perennial	Subshrub	Sun	Dry
Sphaeralcea lindheimeri	Woolly Globemallow	Perennial	Subshrub	Sun, Part-shade	Moist, Dry
Sphenopholis obtusata	Prairie Wedgescale	Annual	Grass/Grass-like	Part-shade
Spigelia hedyotidea	Prairie Pinkroot, Prairie Pink Root	Perennial	Herb
Spigelia marilandica	Woodland Pinkroot, Pinkroot, Indian Pink	Perennial	Herb	Part-shade	Dry
Spigelia texana	Texas Pinkroot	Perennial	Herb
Spiranthes cernua	Nodding Ladies'-tresses, Ladies'-tresses, Nodding Lady's Tresses	Perennial	Herb	Sun	Moist
Spiranthes lacera	Northern Slender Ladies'-tresses, Slender Ladies'-tresses, Slender Lady's Tresses	Perennial	Herb
Spiranthes lacera var. gracilis	Southern Slender Ladies'-tresses, Slender Ladies'-tresses, Slender Lady's Tresses	Perennial	Herb
Spiranthes magnicamporum	Great Plains Ladies'-tresses, Great Plains Lady's Tresses	Perennial	Herb
Spiranthes vernalis	Spring Ladies'-tresses, Spring Lady's Tresses	Perennial	Herb
Spirodela polyrrhiza	Common Duckmeat, Giant Duckweed	Perennial	Herb
Sporobolus clandestinus	Hidden Dropseed, Rough Dropseed	Perennial	Grass/Grass-like
Sporobolus compositus	Tall Dropseed, Composite Dropseed, Rough Dropseed	Perennial	Grass/Grass-like
Sporobolus compositus var. compositus	Composite Dropseed, Tall Dropseed	Perennial	Grass/Grass-like	Sun	Moist
Sporobolus cryptandrus	Sand Dropseed	Perennial	Grass/Grass-like	Sun, Part-shade	Dry
Sporobolus giganteus	Giant Dropseed	Perennial	Grass/Grass-like	Sun	Dry
Sporobolus pyramidatus	Whorled Dropseed, Target Dropseed, Madagascar Dropseed	Annual, Perennial	Grass/Grass-like
Sporobolus vaginiflorus	Poverty Dropseed	Annual	Grass/Grass-like
Stachys crenata	Mousesear, Shade Betony, Mouse's Ear	Annual	Herb
Stachys drummondii	Drummond's Hedgenettle, Pink Mint	Annual	Herb
Steinchisma hians	Gaping Grass	Perennial	Grass/Grass-like
Stenaria nigricans	Bluets, Diamond-flowers	Perennial	Herb, Subshrub
Stenaria nigricans var. nigricans	Diamondflowers, Narrowleaf Bluets, Baby's Breath, Bluets, Fine-leaf Bluets	Perennial	Herb	Sun
Stenosiphon linifolius	False Gaura	Perennial	Herb	Sun	Dry
Stillingia sylvatica	Queen's-delight	Perennial	Herb
Stillingia texana	Texas Queen's Delight, Queen's Delight, Texas Toothleaf	Perennial	Herb	Part-shade
Streptanthus hyacinthoides	Smooth Jewelflower	Annual	Herb
Strophostyles helvola	Trailing Fuzzybean, Amberique-bean, Trailing Wild Bean, Trailing Fuzzy Bean	Annual	Vine	Sun
Strophostyles leiosperma	Slickseed Fuzzybean	Annual	Vine
Stuckenia pectinata	Sago Pondweed	Perennial	Herb	Sun
Stylisma pickeringii	Pickering's Dawnflower	Perennial	Vine
Stylisma pickeringii var. pattersonii	Patterson's Dawnflower	Perennial	Herb, Vine
Stylosanthes biflora	Sidebeak Pencilflower	Perennial	Herb
Styphnolobium affine	Eve's Necklace, Eve's Necklacepod, Texas Sophora, Pink Sophora, Necklace Tree	Perennial	Tree	Part-shade	Dry
Styrax platanifolius	Sycamore-leaf Snowbell	Perennial	Shrub	Part-shade	Moist
Styrax platanifolius ssp. platanifolius	Sycamoreleaf Snowbell	Perennial	Shrub, Tree
Symphoricarpos orbiculatus	Coralberry, Indian Currant, Buckbrush	Perennial	Shrub	Shade, Part-shade	Moist, Dry
Symphyotrichum divaricatum	Southern Annual Saltmarsh Aster, Lawn American-aster, White Wood Aster, Saltmarsh Aster, Slender Aster	Annual	Herb	Part-shade	Moist
Symphyotrichum drummondii	Drummond's Aster	Perennial	Herb
Symphyotrichum drummondii var. texanum	Drummond's Aster, Texas Aster	Perennial	Herb	Part-shade	Dry
Symphyotrichum dumosum	Rice Button Aster, White Bushy Aster	Perennial	Herb
Symphyotrichum ericoides	White Heath Aster, Heath Aster	Perennial	Herb	Sun	Dry
Symphyotrichum ericoides var. ericoides	White Heath Aster, Heath Aster, White Aster, White Prairie Aster	Perennial	Herb	Sun	Dry
Symphyotrichum falcatum	White Prairie Aster	Perennial	Herb
Symphyotrichum lanceolatum	Whitepanicle Aster, Panicled Aster, Lanceleaf Aster, White Panicle Aster	Perennial	Herb
Symphyotrichum lanceolatum ssp. hesperium	White Panicle Aster	Perennial	Herb
Symphyotrichum lanceolatum ssp. lanceolatum	White Panicle Aster, Panicled Aster	Perennial	Herb
Symphyotrichum oblongifolium	Aromatic Aster, Aromatic American Aster, Fall Aster, Wild Blue Aster, Shale Aster	Perennial	Herb	Sun, Part-shade	Moist, Dry
Symphyotrichum oolentangiense	Skyblue Aster, Sky Blue American-aster, Azure Aster, Blue Devils	Perennial	Herb	Sun, Shade, Part-shade	Moist, Dry
Symphyotrichum patens	Late Purple Aster	Perennial	Herb
Symphyotrichum patens var. patens	Spreading Aster, Late Purple Aster, Spread-leaf Aster, Sky-drop Aster	Perennial	Herb	Shade
Symphyotrichum praealtum	Willowleaf Aster	Perennial	Herb	Sun, Shade, Part-shade	Moist
Symphyotrichum praealtum var. praealtum	Willowleaf Aster, Tall Aster	Perennial	Herb	Sun, Part-shade	Moist
Symphyotrichum pratense	Barrens Silky Aster, Meadow Aster	Perennial	Herb	Part-shade	Dry
Symphyotrichum sericeum	Western Silver Aster, Western Silver American-aster, Silky Aster	Perennial	Herb	Sun, Part-shade	Dry
Taxodium distichum	Bald Cypress, Baldcypress, Common Bald Cypress, Southern Bald Cypress, Deciduous Cypress, Southern Cypress, Swamp Cypress, Red Cypress, White Cypress, Yellow Cypress, Gulf Cypress, Tidewater Red Cypress	Perennial	Tree	Sun, Part-shade	Moist
Tephrosia lindheimeri	Lindheimer's Hoarypea, Hoary Pea, Lindheimer Tephrosia	Perennial	Subshrub	Part-shade	Dry
Tephrosia onobrychoides	Multibloom Hoarypea, Multibloom Tephrosia	Perennial	Herb
Tephrosia virginiana	Goat's Rue, Virginia Tephrosia, Devil's Shoestring	Perennial	Herb	Sun, Shade, Part-shade	Dry
Tetragonotheca ludoviciana	Louisiana Nerveray	Perennial	Herb
Tetraneuris linearifolia	Fineleaf Fournerved Daisy, Slender-leaf Hymenoxys, Bitterweed	Annual	Herb
Tetraneuris scaposa	Four-nerve Daisy, Hymenoxys, Stemmy Four-nerve Daisy, Yellow Daisy, Bitterweed	Perennial	Herb	Part-shade	Dry
Tetraneuris scaposa var. scaposa	Four-nerve Daisy, Hymenoxys, Stemmy Four-nerve Daisy, Bitterweed	Perennial	Herb	Sun	Dry
Teucrium canadense	American Germander, Canada Germander, Canadian Germander, Germander, Hairy Germander, Wood Sage	Perennial	Herb	Part-shade	Moist
Teucrium cubense	Small Coastal Germander, Coast Germander	Perennial	Herb	Sun	Dry
Teucrium laciniatum	Lacy Germander, Cut-leaf Germander, Dwarf Germander	Perennial	Herb	Part-shade	Dry
Thalia dealbata	Powdery Alligator-flag, Powdery Thalia, Water Canna	Perennial	Herb	Part-shade	Wet
Thalictrum dasycarpum	Purple Meadow-rue, Tall Meadow-rue, Meadow Rue	Perennial	Herb	Part-shade	Wet, Moist
Thamnosma texana	Texas Desert-rue, Dutchman's Breeches, Rue Of The Mountains, Ruda Del Monte	Perennial	Herb	Sun	Dry
Thelesperma filifolium	Stiff Greenthread, Greenthread	Annual	Herb	Sun	Dry
Thelesperma filifolium var. filifolium	Stiff Greenthread, Showy Navajo Tea, Greenthread	Annual, Perennial	Herb	Sun	Dry
Thelesperma megapotamicum	Hopi Tea Greenthread, Green Threads, Navajo Tea, Cota	Perennial	Herb
Thelesperma simplicifolium	Slender Greenthread, Navajo Tea, Cota	Perennial	Herb	Sun	Dry
Thelocactus setispinus	Miniature Barrel Cactus, Hedgehog Cactus	Perennial	Cactus/Succulent	Sun	Dry
Thelypteris kunthii	Wood Fern, River Fern, Southern Shield Fern, Kunth's Maiden Fern, Normal Shield Fern	Perennial	Fern	Shade, Part-shade	Moist
Thelypteris ovata var. lindheimeri	Lindheimer's Marsh Fern, Lindheimer's Maiden Fern	Perennial	Fern
Thymophylla pentachaeta	Parralena, Fiveneedle Pricklyleaf, Five-needle Fetid Marigold	Perennial	Herb, Subshrub
Thymophylla pentachaeta var. pentachaeta	Parralena, Fiveneedle Pricklyleaf, Dogweed, Dyssodia	Perennial	Herb, Subshrub	Sun
Tidestromia lanuginosa	Woolly Tidestromia	Annual	Herb
Tillandsia recurvata	Small Ball Moss, Ball Moss	Perennial	Herb
Tinantia anomala	False Dayflower, Widows Tears	Annual	Herb	Part-shade	Moist
Townsendia exscapa	Stemless Townsend Daisy, Stemless Townsend-daisy, Easter Daisy	Perennial	Herb	Sun
Toxicodendron radicans	Eastern Poison Ivy, Poison Ivy	Perennial	Shrub, Vine	Shade, Part-shade	Moist
Toxicodendron radicans ssp. verrucosum	Eastern Poison Ivy	Perennial	Herb, Subshrub, Shrub, Vine
Tradescantia edwardsiana	Plateau Spiderwort, Edwards' Spiderwort	Perennial	Herb	Part-shade
Tradescantia gigantea	Giant Spiderwort	Perennial	Herb	Sun, Part-shade	Moist
Tradescantia hirsutiflora	Hairyflower Spiderwort	Perennial	Herb	Part-shade	Moist
Tradescantia humilis	Texas Spiderwort	Perennial	Herb
Tradescantia occidentalis	Prairie Spiderwort, Western Spiderwort, Spiderwort	Perennial	Herb	Sun, Part-shade	Dry
Tradescantia ohiensis	Ohio Spiderwort, Bluejacket	Perennial	Herb	Part-shade	Dry
Tradescantia pedicellata	Edwards Plateau Spiderwort, Granite Spiderwort	Perennial	Herb
Tradescantia reverchonii	Reverchon's Spiderwort	Perennial	Herb
Tradescantia subacaulis	Stemless Spiderwort	Perennial	Herb	Part-shade	Moist
Tragia betonicifolia	Betonyleaf Noseburn	Perennial	Herb
Tragia brevispica	Shortspike Noseburn	Perennial	Herb, Vine
Tragia ramosa	Branched Noseburn	Perennial	Herb
Tragia urticifolia	Nettleleaf Noseburn	Perennial	Herb, Vine
Trepocarpus aethusae	Whitenymph	Annual	Herb
Trichloris crinita	Two-flowered Trichloris, False Rhodes Grass	Perennial	Grass/Grass-like	Part-shade
Tridens albescens	White Tridens, White Top	Perennial	Grass/Grass-like	Part-shade	Moist
Tridens buckleyanus	Buckley's Fluffgrass, Buckley's Tridens	Perennial	Grass/Grass-like
Tridens congestus	Pink Fluffgrass, Pink Tridens	Perennial	Grass/Grass-like
Tridens eragrostoides	Lovegrass Tridens	Perennial	Grass/Grass-like
Tridens flavus	Purpletop Tridens, Redtop Tridens, Tall Redtop Tridens, Purpletop, Redtop, Tall Redtop	Perennial	Grass/Grass-like	Part-shade	Dry
Tridens flavus var. flavus	Purpletop Tridens	Perennial	Grass/Grass-like
Tridens muticus	Slim Tridens	Perennial	Grass/Grass-like
Tridens muticus var. muticus	Slim Tridens, Awnless Fluffgrass	Perennial	Grass/Grass-like
Tridens strictus	Longspike Tridens	Perennial	Grass/Grass-like
Tridens texanus	Texas Fluffgrass, Texas Tridens	Perennial	Grass/Grass-like
Trifolium carolinianum	Carolina Clover	Annual, Perennial	Herb
Triodanis biflora	Small Venus' Looking-glass	Annual	Herb
Triodanis coloradoensis	Colorado Venus' Looking-glass, Western Venus' Looking Glass	Annual	Herb
Triodanis holzingeri	Holzinger's Venus' Looking-glass	Annual	Herb
Triodanis leptocarpa	Slimpod Venus' Looking-glass	Annual	Herb
Triodanis perfoliata	Clasping Venus's Looking-glass	Annual	Herb	Shade	Dry
Triodanis texana	Texas Venus' Looking-glass	Annual	Herb
Triosteum angustifolium	Yellow-fruit Horse-gentian, Narrow-leaved Horse-gentian, Narrowleaf Horse-gentian	Perennial	Herb
Triplasis purpurea	Purple Sandgrass, Purple Triplasis	Annual	Grass/Grass-like	Sun	Dry
Tripogon spicatus	American Fiveminute Grass	Perennial	Grass/Grass-like
Tripsacum dactyloides	Eastern Gamagrass, Fakahatchee Grass	Perennial	Grass/Grass-like	Part-shade	Moist
Trisetum interruptum	Prairie False Oat	Annual	Grass/Grass-like
Typha domingensis	Southern Cattail	Perennial	Herb
Typha latifolia	Broadleaf Cattail, Common Cattail	Perennial	Grass/Grass-like	Sun, Part-shade	Wet
Ulmus alata	Winged Elm, Wahoo Elm, Cork Elm, Witch Elm	Perennial	Tree	Part-shade	Dry
Ulmus americana	American Elm, White Elm, Soft Elm, Water Elm, Common Elm	Perennial	Tree	Sun, Part-shade	Moist
Ulmus crassifolia	Cedar Elm, Fall Elm, Basket Elm, Scrub Elm, Lime Elm, Texas Elm, Southern Rock Elm, Olmo	Perennial	Tree	Part-shade	Moist
Ulmus rubra	Slippery Elm, Red Elm, Gray Elm, Soft Elm	Perennial	Tree	Sun, Part-shade	Moist
Ungnadia speciosa	Mexican Buckeye, Monilla	Perennial	Tree	Sun, Part-shade	Dry
Urochloa ciliatissima	Fringed Signalgrass	Perennial	Grass/Grass-like
Urochloa fusca	Browntop Signalgrass	Annual, Perennial	Grass/Grass-like
Urochloa texana	Texas Signalgrass	Annual	Grass/Grass-like
Urtica chamaedryoides	Heart-leaf Stinging Nettle, Heart-leaf Nettle, Stinging Nettle	Annual	Herb
Utricularia gibba	Humped Bladderwort, Bladderwort, Conespur Bladderpod	Perennial	Herb	Sun	Wet
Vaccinium arboreum	Farkleberry, Tree Sparkleberry, Sparkleberry, Winter Huckleberry, Huckleberry	Perennial	Tree	Part-shade	Dry
Vachellia farnesiana	Huisache, Texas Huisache, Sweet Acacia, Perfume Acacia, Mealy Acacia, Mealy Wattle, Cassie	Perennial	Tree	Sun	Dry
Valerianella amarella	Hairy Cornsalad	Annual	Herb
Valerianella radiata	Beaked Cornsalad, Woods Corn-salad	Annual	Herb
Valerianella stenocarpa	Narrowcell Cornsalad	Annual	Herb
Valerianella texana	Edwards Plateau Cornsalad	Annual	Herb	Sun	Moist
Verbena bracteata	Bigbract Verbena, Carpet Vervain, Prostrate Vervain	Annual	Herb	Sun
Verbena canescens	Gray Vervain	Perennial	Herb	Sun	Moist, Dry
Verbena cloverae	Clover's Vervain	Perennial	Herb, Subshrub
Verbena halei	Texas Vervain, Slender Verbena, Texas Verbena, Slender Vervain	Perennial	Shrub	Sun	Dry
Verbena plicata	Fanleaf Vervain	Perennial	Herb
Verbena stricta	Hoary Verbena, Hoary Vervain, Tall Vervain, Woolly Verbena	Annual	Herb	Sun	Dry
Verbena urticifolia	White Vervain, White Verbena	Perennial	Herb
Verbena xutha	Gulf Vervain	Perennial	Herb	Sun, Part-shade	Moist, Dry
Verbesina alternifolia	Wingstem, Yellow Ironweed	Perennial	Herb	Sun	Moist
Verbesina encelioides	Cowpen Daisy, Golden Crownbeard, Butter Daisy	Annual	Herb	Sun	Dry
Verbesina helianthoides	Gravelweed	Perennial	Herb
Verbesina lindheimeri	Lindheimer's Crownbeard	Perennial	Herb
Verbesina virginica	Frostweed, White Crownbeard, Iceplant, Iceweed, Virginia Crownbeard, Indian Tobacco, Richweed, Squawweed	Biennial, Perennial	Herb	Shade, Part-shade	Moist, Dry
Verbesina virginica var. virginica	Frostweed, White Crownbeard	Biennial, Perennial	Herb
Vernonia baldwinii	Western Ironweed, Baldwin's Ironweed, Ironweed	Perennial	Herb	Sun	Moist
Vernonia lindheimeri	Woolly Ironweed	Perennial	Herb	Sun	Dry
Vernonia marginata	Plains Ironweed	Perennial	Herb
Vernonia missurica	Missouri Ironweed	Perennial	Herb
Vernonia texana	Texas Ironweed	Perennial	Herb
Veronica anagallis-aquatica	Water Speedwell	Biennial	Herb
Veronica peregrina	American Speedwell, Purslane Speedwell, Neckweed	Annual	Herb
Viburnum rufidulum	Rusty Blackhaw Viburnum, Rusty Blackhaw, Southern Blackhaw, Blackhaw, Bluehaw, Downy Viburnum, Southern Nannyberry, Rusty Nannyberry, Nannyberry	Perennial	Tree	Part-shade	Dry
Vicia americana	American Vetch, American Deervetch	Perennial	Vine	Sun
Vicia caroliniana	Carolina Vetch	Perennial	Vine
Vicia ludoviciana	Deer Pea Vetch, Louisiana Vetch	Annual	Herb
Vicia ludoviciana ssp. leavenworthii	Leavenworth's Vetch	Annual	Vine
Vicia ludoviciana ssp. ludoviciana	Deer Pea Vetch, Louisiana Vetch	Annual	Vine
Vicia minutiflora	Pygmyflower Vetch	Annual	Herb, Vine
Viguiera dentata	Plateau Goldeneye, Sunflower Goldeneye, Toothleaf Goldeneye, Chimalacate, Golden-eye	Perennial	Herb	Part-shade	Dry
Viola bicolor	Field Pansy, Wild Pansy	Annual	Herb
Viola pubescens	Downy Yellow Violet, Downy Violet, Hairy Yellow Violet, Yellow Violet, Common Yellow Violet	Perennial	Herb	Part-shade	Dry
Viola pubescens var. pubescens	Downy Yellow Violet, Downy Violet, Hairy Violet, Yellow Violet, Common Yellow Violet	Perennial	Herb	Part-shade	Moist
Viola sororia	Missouri Violet, Common Blue Violet, Hooded Blue Violet, Florida Violet, Meadow Violet, Confederate Violet, Dooryard Violet, Purple Violet, Woolly Blue Violet, Wood Violet, Hooded Violet	Annual	Herb	Sun, Part-shade	Moist
Vitis aestivalis	Summer Grape , Pigeon Grape	Perennial	Vine
Vitis aestivalis var. lincecumii	Long Grape	Perennial	Vine
Vitis cinerea var. helleri	Winter Grape, Heller's Grape, Gray-leaf Grape, Smooth-leaf Grape, Sweet Grape, Spanish Grape	Perennial	Vine	Part-shade	Moist
Vitis monticola	Sweet Mountain Grape, Champin Grape	Perennial	Vine	Sun
Vitis mustangensis	Mustang Grape	Perennial	Vine	Part-shade	Dry
Vitis riparia	Riverbank Grape, River-bank Grape	Perennial	Vine	Sun, Shade, Part-shade	Moist, Dry
Vitis vulpina	Frost Grape, Fox Grape	Perennial	Vine
Vulpia elliotea	Squirreltail Fescue	Annual	Grass/Grass-like
Vulpia octoflora	Sixweeks Fescue, Common Sixweeks Grass	Annual	Grass/Grass-like
Warnockia scutellarioides	Prairie Brazosmint, Prairie Brazoria	Annual	Herb	Part-shade	Moist
Wedelia acapulcensis var. hispida	Zexmenia, Orange Zexmenia, Hairy Wedelia, Wedelia, Texas Creeping-oxeye	Perennial	Herb	Sun, Part-shade	Moist, Dry
Wolffia columbiana	Columbian Watermeal	Perennial	Herb
Woodsia obtusa	Bluntlobe Cliff Fern, Blunt Cliff Fern	Perennial	Herb, Fern	Sun, Shade, Part-shade	Moist
Xanthisma texanum	Texas Sleepy Daisy, Yellow Sleepy Daisy, Star of Texas, Texas Sleepy-daisy, Texas Sleepydaisy	Annual	Herb	Part-shade
Xanthisma texanum var. drummondii	Drummond's Sleepy Daisy, Yellow Sleepy Daisy, Drummond's Sleepy-daisy, Drummond's Sleepydaisy	Annual	Herb	Part-shade	Dry
Xanthium strumarium	Rough Cocklebur	Annual	Herb
Xanthium strumarium var. canadense	Canada Cocklebur	Annual	Herb
Yucca aloifolia	Spanish Dagger, Spanish Bayonet, Aloe Yucca	Perennial	Cactus/Succulent	Sun	Dry
Yucca arkansana	Arkansas Yucca, Softleaf Yucca	Perennial	Cactus/Succulent	Part-shade	Dry
Yucca constricta	Buckley Yucca, Buckley's Yucca	Perennial	Shrub	Sun	Dry
Yucca glauca	Soapweed Yucca, Narrowleaf Yucca, Plains Yucca, Beargrass, Great Plains Yucca	Perennial	Herb, Subshrub, Shrub	Sun	Dry
Yucca glauca var. glauca	Soapweed Yucca, Narrow-leaf Yucca	Perennial	Herb, Subshrub, Shrub	Part-shade	Dry
Yucca louisianensis	Gulf Coast Yucca	Perennial	Subshrub	Sun	Moist, Dry
Yucca pallida	Pale-leaf Yucca	Perennial	Cactus/Succulent	Sun, Part-shade	Dry
Yucca rupicola	Twistleaf Yucca, Twisted-leaf Yucca, Texas Yucca, Spanish Dagger	Perennial	Cactus/Succulent	Sun, Part-shade	Dry
Yucca torreyi	Torrey Yucca, Torrey's Yucca, Spanish Bayonet, Spanish Dagger, Old Shag, Palma	Perennial	Shrub	Sun	Dry
Zannichellia palustris	Horned Pondweed, Horned Poolmat, Horned-pondweed	Perennial	Herb
Zanthoxylum clava-herculis	Hercules Club, Pepperbark, Toothache Tree, Tickle Tongue, Prickly Ash	Perennial	Tree	Sun	Dry
Zanthoxylum hirsutum	Texas Hercules' Club, Texas Prickly Ash, Limetone Prickly Ash, Toothache Tree, Tickle-tongue, Tingle-tongue	Perennial	Tree	Part-shade	Dry
Zigadenus nuttallii	Nuttall's Death Camas, Death Camas, Poison-onion	Perennial	Herb	Part-shade
Zinnia grandiflora	Plains Zinnia, Rocky Mountain Zinnia, Prairie Zinnia, Little Golden Zinnia, Yellow Zinnia	Perennial	Shrub	Part-shade	Dry
Zizaniopsis miliacea	Giant Cutgrass	Perennial	Grass/Grass-like
Zizia aurea	Golden Zizia, Golden Alexanders	Perennial	Herb	Sun, Part-shade	Moist
Ziziphus obtusifolia	Lotebush, Lote-bush Condalia, Graythorn	Perennial	Tree	Part-shade	Dry
Ziziphus obtusifolia var. obtusifolia	Lotebush	Perennial	Tree
Zornia bracteata	Viperina	Annual	Herb

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