Texas Wildbuds

Flowers by Common Name

A B C D E F G H I J K L M N O P Q R S T V W Y Z

A

COMMON NAME	SCIENTIFIC NAME	FAMILY	COLOR
Acacia, Catclaw	Senegalia greggii (Acacia greggii)	Fabaceae (Pea)	White
Acacia, Berlandieri	Senegalia berlandieri (Acacia berlandieri)	Fabaceae (Pea)	White
Acacia, Blackbrush	Vachellia rigidula (Acacia rigidula)	Fabaceae (Pea)	Yellow
Acacia, Schott's	Vachellia schottii (Acacia schottii)	Fabaceae (Pea)	Yellow
Acacia, Sweet	Vachellia farnesiana (Acacia farnesiana)	Fabaceae (Pea)	Yellow
Acacia, Viscid	Vachellia vernicosa (Acacia neovernicosa)	Fabaceae (Pea)	Yellow
Acacia, Whitethorn	Vachellia constricta (Acacia constricta)	Fabaceae (Pea)	Yellow
Acanthus, Flame	Anisacanthus quadrifidus var. wrightii	Acanthaceae (Acanthus)	Red
Agarita	Berberis trifoliolata (Mahonia trifoliolata)	Berberidaceae (Barberry)	Yellow
Agave, Havard	Agave havardiana	Asparagaceae (Asparagus)	Yellow
Agave, Texas False	Hechtia texensis	Bromeliaceae (Bromeliad)	White
Ageratina, Wright	Ageratina wrightii (Eupatorium wrightii)	Asteraceae (Sunflower)	White
Alfalfilla	Melilotus indicus	Fabaceae (Pea)	Yellow
Amaranth, Palmer's	Amaranthus palmeri	Amaranthaceae (Amaranth)	White
American Threefold	Trixis californica	Asteraceae (Sunflower)	Yellow
Anacahuita	Cordia boissieri	Cordiaceae (Cordia)	White
Anemone, Ten-petal	Anemone berlandieri (Anemone heterophylla)	Ranunculaceae (Buttercup)	White
Antelope Horns	Asclepias asperula	Apocynaceae (Dogbane)	White/Green
Apache Plume	Fallugia paradoxa	Rosaceae (Rose)	White
Ash, Fragrant	Fraxinus cuspidata	Oleaceae (Olive)	White
Ash, Wafer	Ptelea trifoliata	Rutaceae (Rue)	White
Aster, Aromatic	Symphyotrichum oblongifolium (Aster oblongifolius)	Asteraceae (Sunflower)	Purple
Aster, Barrens Silky	Symphyotrichum pratense (Aster pratensis)	Asteraceae (Sunflower)	Purple
Aster, Drummond's	Symphyotrichum drummondii var. texanum (Aster texanus)	Asteraceae (Sunflower)	White
Aster, Dwarf White	Chaetopappa bellidifolia	Asteraceae (Sunflower)	White
Aster, Eula's American	Symphyotrichum eula (Aster eulae)	Asteraceae (Sunflower)	White
Aster, Flaxleaf Whitetop	Ionactis linariifolia	Asteraceae (Sunflower)	Purple
Aster, Late Purple	Symphyotrichum patens var. patens (Aster patens)	Asteraceae (Sunflower)	Purple
Aster, Meadow	Symphyotrichum pratense (Aster pratensis)	Asteraceae (Sunflower)	Purple
Aster, Rice Button	Symphyotrichum dumosum var. dumosum (Aster dumosus var. dumosus)	Asteraceae (Sunflower)	White
Aster, Small-flower	Chaetopappa ericoides	Asteraceae (Sunflower)	White
Aster, Southern Saltmarsh	Symphyotrichum subulatum var. ligulatum (Symphyotrichum divaricatum, Aster subulatus)	Asteraceae (Sunflower)	White
Aster, Tansy-leaf	Machaeranthera tanacetifolia	Asteraceae (Sunflower)	Purple
Aster, Terlingua	Xylorhiza wrightii (Machaeranthera wrightii)	Asteraceae (Sunflower)	Purple
Aster, Texas	Symphyotrichum drummondii var. texanum (Aster texanus)	Asteraceae (Sunflower)	White
Aster, Texas	Symphyotrichum eula (Aster eulae)	Asteraceae (Sunflower)	White
Aster, White Heath	Symphyotrichum ericoides var. ericoides (Aster ericoides)	Asteraceae (Sunflower)	White
Avens, White	Geum canadense	Rosaceae (Rose)	White

B

COMMON NAME	SCIENTIFIC NAME	FAMILY	COLOR
Baby Blue-eyes	Nemophila phacelioides	Hydrophyllaceae (Waterleaf)	Blue
Babybonnets, Texas	Coursetia axillaris	Fabaceae (Pea)	White
Baby's Breath	Stenaria nigricans var. nigricans (Hedyotis nigricans var. nigricans) (Houstonia nigricans var. nigricans)	Rubiaceae (Madder)	White
Baccharis, Eastern	Baccharis halimifolia	Asteraceae (Sunflower)	White
Bahia, Hairyseed	Bahia absinthifolia	Asteraceae (Sunflower)	Yellow
Balloonbush	Epixiphium wislizeni (Maurandya wislizeni)	Plantaginaceae (Plantain)	Blue
Balloon-vine	Cardiospermum halicacabum	Sapindaceae (Soapberry)	White
Balsamgourd	Ibervillea lindheimeri	Cucurbitaceae (Gourd)	Yellow
Bamboo, Heavenly Bamboo, Sacred	Nandina domestica	Berberidaceae (Barberry)	White
Barbara's Buttons	Marshallia caespitosa	Asteraceae (Sunflower)	White
Barometer Bush, Brewster County	Leucophyllum candidum	Scrophulariaceae (Figwort)	Purple
Barometer Bush, Texas	Leucophyllum frutescens	Scrophulariaceae (Figwort)	Purple
Basketflower, American	Plectocephalus americanus (Centaurea americana)	Asteraceae (Sunflower)	Purple
Basket Grass	Nolina texana	Asparagaceae (Asparagus)	White
Bastard Cabbage	Rapistrum rugosum	Brassicaceae (Mustard)	Yellow
Bastardsage, Wright's	Eriogonum wrightii	Polygonaceae (Buckwheat)	White
Bean, Slimjim	Phaseolus filiformis (Phaseolus wrightii)	Fabaceae (Pea)	Purple
Bean, Tepary	Phaseolus acutifolius	Fabaceae (Pea)	Purple
Beardtongue, Big Bend	Penstemon havardii	Plantaginaceae (Plantain)	Red
Beardtongue, Cochise	Penstemon dasyphyllus	Plantaginaceae (Plantain)	Blue
Beardtongue, Heller's	Penstemon triflorus	Plantaginaceae (Plantain)	Pink
Beardtongue, Nodding	Penstemon laxiflorus	Plantaginaceae (Plantain)	White
Beargrass, Texas	Nolina texana	Asparagaceae (Asparagus)	White
Beautyberry, American	Callicarpa americana	Verbenaceae (Verbena)	White
Beebalm, Basil	Monarda clinopodioides	Lamiaceae (Mint)	White
Beebalm, Lemon	Monarda citriodora	Lamiaceae (Mint)	Purple
Beebalm, Spotted	Monarda punctata	Lamiaceae (Mint)	Yellow
Beeblossom, Lindheimer's	Oenothera lindheimeri (Gaura lindheimeri)	Onagraceae (Evening Primrose)	White
Beeblossom, Plains	Oenothera patriciae (Guara brachycarpa)	Onagraceae (Evening Primrose)	White
Beeblossom, Scarlet	Oenothera suffrutescens (Gaura coccinea)	Onagraceae (Evening Primrose)	Pink
Beebrush	Aloysia gratissima var. gratissima	Verbenaceae (Verbena)	White
Beebrush	Aloysia gratissima var. schulziae	Verbenaceae (Verbena)	White
Beebrush, Wright's	Aloysia wrightii	Verbenaceae (Verbena)	White
Beggarticks, Bigelow's	Bidens bigelovii	Asteraceae (Sunflower)	White
Beggarticks, Devil's	Bidens frondosa	Asteraceae (Sunflower)	Yellow
Beggarticks, Smooth	Bidens laevis	Asteraceae (Sunflower)	Yellow
Bellardia	Bellardia trixago	Orobanchaceae (Broomrape)	White
Betony, Shade	Stachys crenata	Lamiaceae (Mint)	Pink
Bindweed, Purple	Ipomoea cordatotriloba (Ipomoea trichocarpa)	Convolvulaceae (Morning Glory)	Purple
Bindweed, Texas	Convolvulus equitans	Convolvulaceae (Morning Glory)	White
Bird's-foot Trefoil, New Mexico	Acmispon oroboides (Lotus plebeius)	Fabaceae (Pea)	Yellow
Bitterweed	Helenium amarum var. amarum	Asteraceae (Sunflower)	Yellow
Bitterweed	Helenium amarum var. badium	Asteraceae (Sunflower)	Yellow
Blackberry, High-bush	Rubus argutus	Rosaceae (Rose)	White
Blackberry, Saw-tooth	Rubus argutus	Rosaceae (Rose)	White
Black-eyed Susan	Rudbeckia hirta	Asteraceae (Sunflower)	Yellow
Blackhaw, Rusty	Viburnum rufidulum	Adoxaceae (Moschatel)	White
Black-snakeroot, Canadian	Sanicula canadensis	Apiaceae (Parsley)	White
Bladderpod, Dense-flower	Physaria densiflora (Lesquerella densiflora)	Brassicaceae (Mustard)	Yellow
Bladderpod, Gaslight	Physaria curvata (Lesquerella curvata)	Brassicaceae (Mustard)	Yellow
Bladderpod, Gordon's	Physaria gordonii (Lesquerella gordonii)	Brassicaceae (Mustard)	Yellow
Bladderpod, Low	Physaria densiflora (Lesquerella densiflora)	Brassicaceae (Mustard)	Yellow
Bladderpod, Rose	Physaria purpurea (Lesquerella purpurea)	Brassicaceae (Mustard)	White
Bladderpod, Silver	Physaria argyraea ssp. argyraea (Lesquerella argyraea)	Brassicaceae (Mustard)	Yellow
Bladderpod, Spreading	Physaria gracilis (Lesquerella gracilis)	Brassicaceae (Mustard)	Yellow
Bladderpod, White	Physaria purpurea (Lesquerella purpurea)	Brassicaceae (Mustard)	White
Blanketflower	Gaillardia pulchella	Asteraceae (Sunflower)	Red
Blanketflower, Maroon	Gaillardia amblyodon	Asteraceae (Sunflower)	Red
Blanketflower, Red Dome	Gaillardia pinnatifida	Asteraceae (Sunflower)	Yellow
Blazing Star, Branched	Liatris cymosa	Asteraceae (Sunflower)	Purple
Blazing Star, Dotted	Liatris punctata (Liatris mucronoata	Asteraceae (Sunflower)	Purple
Blazing Star, Pinkscale	Liatris elegans	Asteraceae (Sunflower)	Purple
Blazing Star, Sharp	Liatris acidota	Asteraceae (Sunflower)	Purple
Blazing Star, Tall	Liatris aspera	Asteraceae (Sunflower)	Purple
Blazingstar, Bractless	Mentzelia nuda	Loasaceae (Stickleaf)	>White
Blazingstar, White-flowered	Mentzelia nuda	Loasaceae (Stickleaf)	>White
Bloodleaf, Standley's	Iresine heterophylla	Amaranthaceae (Amaranth)	White
Bluebells, Texas Bluebells	Eustoma exaltatum (Eustoma grandiflorum Eustoma russellianum)	Gentianaceae (Gentian)	Purple
Bluebill	Clematis pitcheri	Ranunculaceae (Buttercup)	Purple
Bluebonnet, Big Bend	Lupinus havardii	Fabaceae (Pea)	Blue
Bluebonnet, Chisos	Lupinus havardii	Fabaceae (Pea)	Blue
Bluebonnet, Sandyland	Lupinus subcarnosus	Fabaceae (Pea)	Blue
Bluebonnet, Texas	Lupinus subcarnosus	Fabaceae (Pea)	>Blue
Bluebonnet, Texas	Lupinus texensis	Fabaceae (Pea)	Blue
Bluebowls	Giliastrum rigidulum (Gilia rigidula)	Polemoniaceae (Phlox)	Blue
Blue Curls	Phacelia congesta	Hydrophyllaceae (Waterleaf)	Blue
Blue Curls, Forked Blue Curls	Trichostema dichotomum	Lamiaceae (Mint)	Blue
Blue-eyed Grass	Sisyrinchium pruinosum	Iridaceae (Iris)	Blue
Blue-eyed Grass, Annual	Sisyrinchium rosulatum	Iridaceae (Iris)	White
Blue-eyed Grass, Narrow-leaf	Sisyrinchium pruinosum	Iridaceae (Iris)	Blue
Blue-Star, Fringed	Amsonia ciliata	Apocynaceae (Dogbane)	White
Blue-Star, Texas	Amsonia ciliata	Apocynaceae (Dogbane)	White
Blue-Star, Palmer's	Amsonia palmeri	Apocynaceae (Dogbane)	White
Blue-Star, Tubular	Amsonia longiflora	Apocynaceae (Dogbane)	White
Bluet, Needleaf	Houstonia acerosa var. acerosa (Hedyotis acerosa var. acerosa)	Rubiaceae (Madder)	Pink
Bluets	Stenaria nigricans var. nigricans (Hedyotis nigricans var. nigricans) (Houstonia nigricans var. nigricans)	Rubiaceae (Madder)	White
Blueweed, Texas	Helianthus ciliaris	Asteraceae (Sunflower)	Yellow
Boneset, False	Brickellia eupatorioides var. chlorolepis (Brickellia chlorolepis, Kuhnia chlorolepis)	Asteraceae (Sunflower)	Yellow
Boneset, Shrubby	Ageratina havanensis (Eupatorium havanense)	Asteraceae (Sunflower)	White
Boneset, White	Eupatorium serotinum	Asteraceae (Sunflower)	White
Boquillas Lizardtail	Oenothera boquillensis (Gaura boquillensis)	Onagraceae (Evening Primrose)	White
Boquillas Silverleaf	Leucophyllum candidum	Scrophulariaceae (Figwort)	Purple
Bouvardia, Scarlet	Bouvardia ternifolia (Bouvardia glaberrima)	Rubiaceae (Madder)	Red
Brazoria, Prairie Brazosmint, Prairie	Warnockia scutellarioides	Lamiaceae (Mint)	Pink
Breadroot, Large-bract Indian	Pediomelum cuspidatum (Psoralea cuspidata)	Fabaceae (Pea)	Blue/Purple
Breadroot, Texas Plains Indian	Pediomelum latestipulatum (Psoralea latestipulata)	Fabaceae (Pea)	Blue/Purple
Brickellbush, Gravel-bar	Brickellia cylindracea	Asteraceae (Sunflower)	Yellow
Brickellbush, Split-leaf	Brickellia laciniata	Asteraceae (Sunflower)	Yellow
Brickellbush, Veronicaleaf	Brickellia veronicifolia	Asteraceae (Sunflower)	Yellow
Bristlehead, Bigelow's	Carpochaete bigelovii	Asteraceae (Sunflower)	White
Bristle-mallow, Carolina	Modiola caroliniana	Malvaceae (Mallow)	Pink
Brittlestem, Naked	Psathyrotopis scaposa	Asteraceae (Sunflower)	White
Brookweed, Bractless Brookweed, Limewater	Samolus ebracteatus	Primulaceae (Primrose)	White
Broomweed, Texas	Amphiachyris amoena (Gutierrezia amoena) (Xanthocephalum amoenum)	Asteraceae (Sunflower)	White
Broomweed, Texas False	Haploesthes greggii var. texana	Asteraceae (Sunflower)	Yellow
Brown-eyed Susan	Rudbeckia hirta	Asteraceae (Sunflower)	Yellow
Brownfoot	Acourtia wrightii	Asteraceae (Sunflower)	Pink
Buck-eye, Mexican	Ungnadia speciosa	Sapindaceae (Soapberry)	Pink
Buck-eye, Red	Aesculus pavia var. pavia	Sapindaceae (Soapberry)	Red
Buckwheat, Annual	Eriogonum annuum	Polygonaceae (Buckwheat)	White
Buckwheat, Heart-sepal Wild	Eriogonum multiflorum var. riograndis	Polygonaceae (Buckwheat)	White
Buckwheat, James'	Eriogonum jamesii var. undulatum	Polygonaceae (Buckwheat)	White
Buckwheat, Longleaf	Eriogonum longifolium var. longifolium (Eriogonum longifolium var. lindheimer)	Polygonaceae (Buckwheat)	White
Buckwheat, Rio Grande	Eriogonum multiflorum var. riograndis	Polygonaceae (Buckwheat)	White
Buckwheat, Shrubby	Eriogonum wrightii	Polygonaceae (Buckwheat)	White
Buckwheat, Wild	Eriogonum annuum	Polygonaceae (Buckwheat)	White
Buffalo Bur	Solanum rostratum	Solanaceae (Nightshade)	Yellow
Buffalobur Nightshade	Solanum rostratum	Solanaceae (Nightshade)	Yellow
Buffelgrass	Cenchrus ciliaris (Pennisetum ciliare)	Poaceae (Grass)	Purple
Bullnettle, Texas	Cnidoscolus texanus	Euphorbiaceae (Spurge)	White
Bunch Grass	Nolina texana	Asparagaceae (Asparagus)	White
Bundleflower, Netleaf	Desmanthus reticulatus	Fabaceae (Pea)	White
Bur-clover, Little	Medicago minima	Fabaceae (Pea)	White
Burro-brush, Single Whorl	Ambrosia monogyra (Hymenoclea monogyra)	Asteraceae (Sunflower)	White
Buttercup, Celery-leaf	Ranunculus sceleratus	Ranunculaceae (Buttercup)	Yellow
Buttercup, Large	Ranunculus macranthus	Ranunculaceae (Buttercup)	Yellow
Butterfly-bush, Woolly	Buddleja marrubiifolia	Buddlejaceae (Butterfly-bush)	Orange
Butterfly-weed, Velvet	Oenothera curtiflora (Gaura parviflora)	Onagraceae (Evening Primrose)	Pink
Butterweed	Packera glabella (Senecio glabellus)	Asteraceae (Sunflower)	Yellow
Butterweed	Packera tampicana (Senecio tampicanus, Senecio imparipinnatus)	Asteraceae (Sunflower)	Yellow
Buttonbush	Cephalanthus occidentalis	Rubiaceae (Madder)	White
Buttonweed, Rough	Diodella teres (Diodia teres, Hexasepalum teres)	Rubiaceae (Madder)	White
Buttonweed, Virginia	Diodia virginiana	Rubiaceae (Madder)	White

C

COMMON NAME	SCIENTIFIC NAME	FAMILY	COLOR
Cactus Apple	Opuntia engelmannii var. engelmannii	Cactaceae (Cactus)	Yellow
Cactus, Claret Cup	Echinocereus coccineus var. paucispinus	Cactaceae (Cactus)	Red
Cactus, Claret Cup	Echinocereus coccineus ssp. roemeri	Cactaceae (Cactus)	Red
Cactus, Claret Cup	Echinocereus coccineus ssp. transpecosensis	Cactaceae (Cactus)	Red
Cactus, Cob Beehive	Escobaria tuberculosa (Coryphantha tuberculosa var. tuberculosa, Mammillaria tuberculosa)	Cactaceae (Cactus)	Pink
Cactus, Desert Prickly Pear	Opuntia phaeacantha	Cactaceae (Cactus)	Yellow
Cactus, Desert Christmas	Cylindropuntia leptocaulis	Cactaceae (Cactus)	Yellow
Cactus, Finger	Coryphantha sulcata	Cactaceae (Cactus)	Yellow
Cactus, Fishhook	Thelocactus setispinus (Hamatocactus bicolor, Ferocactus setispinus, Echinocactus setispinus)	Cactaceae (Cactus)	Yellow
Cactus, Glory of Texas	Thelocactus bicolor ssp. bicolor	Cactaceae (Cactus)	Pink
Cactus, Horse Crippler	Echinocactus texensis	Cactaceae (Cactus)	Pink
Cactus, Lace	Echinocereus reichenbachii ssp caespitosus	Cactaceae (Cactus)	Pink
Cactus, Living Rock	Arriocarpus fissuratus var. fissuratus (Mammillaria fissurata)	Cactaceae (Cactus)	Pink
Cactus, Miniature Barrel	Thelocactus setispinus (Hamatocactus bicolor, Ferocactus setispinus, Echinocactus setispinus)	Cactaceae (Cactus)	Yellow
Cactus, Nipple	Coryphantha sulcata	Cactaceae (Cactus)	Yellow
Cactus, Pencil	Cylindropuntia leptocaulis	Cactaceae (Cactus)	Yellow
Cactus, Pineapple	Coryphantha sulcata	Cactaceae (Cactus)	Yellow
Cactus, Prickly Pear	Opuntia engelmannii var. engelmannii	Cactaceae (Cactus)	Yellow
Cactus, Purple Prickly Pear	Opuntia macrocentra	Cactaceae (Cactus)	Yellow
Cactus, Rusty Hedgehog	Echinocereus viridiflorus var. russanthus (Echinocereus russanthus)	Cactaceae (Cactus)	Red
Cactus, Scarlet Hedgehog	Echinocereus coccineus var. paucispinus	Cactaceae (Cactus)	Red
Cactus, Scarlet Hedgehog	Echinocereus coccineus ssp. roemeri	Cactaceae (Cactus)	Red
Cactus, Scarlet Hedgehog	Echinocereus coccineus ssp. transpecosensis	Cactaceae (Cactus)	Red
Cactus, Spiny Fruit Prickly Pear	Opuntia X spinosibacca	Cactaceae (Cactus)	Yellow
Cactus, Spiny Hedgehog	Echinocereus dasyacanthus (Echinocereus pectinatus var. neomexicanus)	Cactaceae (Cactus)	Yellow
Cactus, Strawberry	Echinocereus stramineus ssp. stramineus	Cactaceae (Cactus)	Pink
Cactus, Texas Rainbow	Echinocereus dasyacanthus (Echinocereus pectinatus var. neomexicanus)	Cactaceae (Cactus)	Yellow
Cactus, Tulip Prickly Pear	Opuntia phaeacantha	Cactaceae (Cactus)	Yellow
Cactus, Twisted-rib	Thelocactus setispinus (Hamatocactus bicolor, Ferocactus setispinus, Echinocactus setispinus)	Cactaceae (Cactus)	Yellow
Cactus, Whitecolumn Foxtail	Escobaria tuberculosa (Coryphantha tuberculosa var. tuberculosa, Mammillaria tuberculosa)	Cactaceae (Cactus)	Pink
Calico Bush	Lantana horrida (Lantana urticoides)	Verbenaceae (Verbena)	Yellow/Orange
Caltrop, Orange	Kallstroemia grandiflora	Zygophyllaceae (Caltrop)	Yellow/Orange
Caltrop, Warty	Kallstroemia parviflora	Zygophyllaceae (Caltrop)	Orange
Camphorweed	Heterotheca subaxillaris	Asteraceae (Sunflower)	Yellow
Candelilla	Euphorbia antisyphilitica	Euphorbiaceae (Spurge)	Pink
Cantaloupe	Cucumis melo	Cucurbitaceae (Gourd)	Yellow
Cardinalflower	Lobelia cardinalis	Campanulaceae (Bellflower)	Red
Carelessweed	Amaranthus palmeri	Amaranthaceae (Amaranth)	White
Carrizo	Arundo donax	Poaceae (Grass)	White
Carrot, American Wild	Daucus pusillus	Apiaceae (Parsley)	White
Catbrier	Smilax bona-nox	Smilacaceae (Catbrier)	Green
Catchfly, Cardinal	Silene laciniata	Caryophyllaceae (Pink)	Red
Catchfly, Sleepy	Silene antirrhina	Caryophyllaceae (Pink)	Pink
Catchfly, Windmill	Silene gallica	Caryophyllaceae (Pink)	Pink
Catchweed Bedstraw	Galium aparine	Rubiaceae (Madder)	White
Cat's-ear, Smooth	Hypochaeris glabra	Asteraceae (Sunflower)	Yellow
Catseye, Little	Cryptantha minima	Boraginaceae (Forget-me-not)	>White
Catseye, Terlingua Creek	Cryptantha crassipes (Oreocarya crassipes)	Boraginaceae (Forget-me-not)	White
Catseye, Thicksepal	Cryptantha crassisepala	Boraginaceae (Forget-me-not)	White
Cattail, Southern	Typha domingensis	Typhaceae (Cattail)	Yellow
Celestials	Nemastylis geminiflora	Iridaceae (Iris)	Blue
Cenizo	Leucophyllum frutescens	Scrophulariaceae (Figwort)	Purple
Centaury, Rock	Zeltnera beyrichii (Centaurium beyrichii)	Gentianaceae (Gentian)	Pink
Centaury, Sticky	Zeltnera glandulifera (Centaurium glanduliferum)	Gentianaceae (Gentian)	Pink
Century Plant	Agave havardiana	Asparagaceae (Asparagus)	Yellow
Cevallia, Stinging	Cevallia sinuata	Loasaceae (Stickleaf)	Yellow
Chautle Living-rock	Arriocarpus fissuratus var. fissuratus (Mammillaria fissurata)	Cactaceae (Cactus)	Pink
Chervil	Chaerophyllum tainturieri	Apiaceae (Parsley)	White
Chicken-of-the-woods	Laetiporus sulphureus	Polyporaceae (Bracket Fungi)
Chickenthief	Mentzelia oligosperma	Loasaceae (Loasa)	Yellow
Chickweed, Sticky	Cerastium glomeratum	Caryophyllaceae (Pink)	Yellow
Chicory, Carolina Desert	Pyrrhopappus carolinianus	Asteraceae (Sunflower)	Yellow
Chilipiquin Chili Piquin	Capiscum annum var. glabriusculum	Solanaceae (Nightshade)	White
Chinaberry Tree	Melia azedarach	Meliaceae (Mahogany)	White
Chinese Lantern	Quincula lobata (Physalis lobata)	Solanaceae (Nightshade)	Purple
Chinese Tallow	Triadica sebifera	Euphorbiaceae (Spurge)	Green
Chloracantha, Spiny	Chloracantha spinosa	Asteraceae (Sunflower)	White
Cholla, Big Bend	Cylindropuntia imbricata var. argentea (Opuntia imbricata var. argentea)	Cactaceae (Cactus)	Pink
Cholla, Cane	Cylindropuntia imbricata var. imbricata (Opuntia imbricata var. imbricata, Opuntia imbricata var. arborescens)	Cactaceae (Cactus)	Pink
Cholla, Clumped Dog	Grusonia aggeria	Cactaceae (Cactus)	Yellow
Cholla, Graham's Dog	Grusonia grahamii	Cactaceae (Cactus)	Yellow
Cholla, Jumping Dog	Grusonia aggeria	Cactaceae (Cactus)	Yellow
Cholla, Tree	Cylindropuntia imbricata var. imbricata (Opuntia imbricata var. imbricata, Opuntia imbricata var. arborescens)	Cactaceae (Cactus)	Pink
Clammyweed, Mexican	Polanisia uniglandulosa	Cleomaceae (Cleome)	White
Clammyweed, Redwhisker	Polanisia dodecandra	Cleomaceae (Cleome)	White
Cleavers	Galium aparine	Rubiaceae (Madder)	White
Clematis, Drummond's	Clematis drummondii	Ranunculaceae (Buttercup)	White
Clematis, Texas	Clematis texensis	Ranunculaceae (Buttercup)	Red
Cloth-of-gold	Physaria gracilis (Lesquerella gracilis)	Brassicaceae (Mustard)	Yellow
Clover, Annual Yellow Sweet	Melilotus indicus	Fabaceae (Pea)	Yellow
Clover, Crimson	Trifolium incarnatum	Fabaceae (Pea)	Red
Clover, Field	Trifolium campestre	Fabaceae (Pea)	Yellow
Clover, Persian Clover, Reversed	Trifolium resupinatum	Fabaceae (Pea)	Pink
Clover, Sour	Melilotus indicus	Fabaceae (Pea)	Yellow
Clover, Tropical Mexican	Richardia brasiliensis	Fabaceae (Pea)	White
Clover, White Sweet	Melilotus albus	Rubiaceae (Madder)	White
Coffeeweed	Sesbania herbacea (Sesbania macrocarpa)	Fabaceae (Pea)	Yellow
Columbine, Hinckley's Golden	Aquilegia hinkleyana (Aquilegia chrysantha variety hinkleyana)	Ranunculaceae (Buttercup)	Yellow
Columbine, Long Spur	Aquilegia longissima	Ranunculaceae (Buttercup)	Yellow
Columbine, Texas Gold	Aquilegia hinkleyana (Aquilegia chrysantha variety hinkleyana)	Ranunculaceae (Buttercup)	Yellow
Coneflower, Eastern	Echinacea purpurea	Asteraceae (Sunflower)	Pink
Coneflower, Purple	Echinacea purpurea	Asteraceae (Sunflower)	Pink
Coneflower, Giant (Great)	Rudbeckia maxima	Asteraceae (Sunflower)	Yellow
Coneflower, Prairie	Ratibida columnifera (Ratibida columnaris)	Asteraceae (Sunflower)	Yellow
Consumption-weed	Baccharis halimifolia	Asteraceae (Sunflower)	White
Copperleaf, Round	Acalypha monostachya (Acalypha hederacea)	Euphorbiaceae (Spurge)	Red
Copperleaf, Shrubby	Acalypha phleoides (Acalypha lindheimeri)	Euphorbiaceae (Spurge)	Red
Coralbean Coralbean, Eastern	Erythrina herbacea	Fabaceae (Pea)	Red
Coreopsis, Lance	Coreopsis lanceolata	Asteraceae (Sunflower)	Yellow
Coreopsis, Nueces	Coreopsis nuecensis	Asteraceae (Sunflower)	Yellow
Cornsalad, Beaked	Valerianella radiata	Valerianaceae (Valerian)	White
Cornsalad, Common	Valerianella locusta	Valerianaceae (Valerian)	White
Cornsalad, Hairy	Valerianella amarella	Valerianaceae (Valerian)	White
Cosmos, Sulphur	Cosmos sulphureus	Asteraceae (Sunflower)	Orange
Cottontop, Arizona	Digitaria californica (Trichachne californica)	Poaceae (Grass)	White
Crane's-bill, Carolina	Geranium carolinianum	Geraniaceae (Geranium)	White
Crane's-bill, Cut-leaf	Geranium dissectum	Geraniaceae (Geranium)	Pink
Creosote Bush	Larrea tridentata	Zygophyllaceae (Caltrop)	Yellow
Creeping Beggarweed	Desmodium incanum (Desmodium canum)	Fabaceae (Pea)	Pink
Cretanweed	Hedypnois cretica	Asteraceae (Sunflower)	Yellow
Crinklemat, Plumed	Tiquilia greggii (Coldenia greggii)	Boraginaceae (Forget-me-not)	Pink
Crinklemat, Texas	Tiquilia gossypina (Coldenia gossypina)	Boraginaceae (Forget-me-not)	Pink
Crinklemat, Mexican	Tiquilia mexicana (Coldenia mexicana)	Boraginaceae (Forget-me-not)	Pink
Crinklemat, Woody	Tiquilia canescens var. canescens (Coldenia canescens)	Boraginaceae (Forget-me-not)	Pink
Crossvine	Bignonia capreolata	Bignoniaceae (Bignonia)	Red
Croton, One-seed	Croton monanthogynus	Euphorbiaceae (Spurge)	White
Croton, Sand	Croton glandulosus var. pubentissima	Euphorbiaceae (Spurge)	White
Croton, Silver July	Croton argenteus (Julocroton argenteus)	Euphorbiaceae (Spurge)	White
Croton, Texas Woolly	Croton heptalon	Euphorbiaceae (Spurge)	White
Croton, Tropic	Croton glandulosus var. pubentissima	Euphorbiaceae (Spurge)	White
Crownbeard, Golden	Verbesina encelioides	Asteraceae (Sunflower)	Yellow
Crownbeard, White	Verbesina virginica	Asteraceae (Sunflower)	White
Crow Poison	Nothoscordum bivalve	Amaryllidaceae (Amaryllis)	White
Crucita	Chromolaena odorata (Eupatorium odoratum)	Asteraceae (Sunflower)	Blue
Cryptantha, Little	Cryptantha minima	Boraginaceae (Forget-me-not)	White
Cryptantha, Terlingua Creek	Cryptantha crassipes (Oreocarya crassipes)	Boraginaceae (Forget-me-not)	White
Cryptantha, Thicksepal	Cryptantha crassisepala	Boraginaceae (Forget-me-not)	White
Cudweed, Wright's	Pseudognaphalium canescens	Asteraceae (Sunflower)	White
Cupflower, Texas	Hunzikeria texana (Leptoglossis texana)	Solanaceae (Nightshade)	Pink
Cursed Crowfoot	Ranunculus sceleratus	Ranunculaceae (Buttercup)	Yellow
Cyphomeris, Red	Cyphomeris gypsophilodes (Boerhavia gypsophiloides)	Asteraceae (Sunflower)	Pink

D

COMMON NAME	SCIENTIFIC NAME	FAMILY	COLOR
Daisy, Arkansas Lazy	Aphanostephus skirrhobasis	Asteraceae (Sunflower)	White
Daisy, Blackfoot	Melampodium leucanthum	Asteraceae (Sunflower)	White
Daisy, Camphor	Rayjackonia phyllocephala (Machaeranthera phyllocephala)	Asteraceae (Sunflower)	Yellow
Daisy, Cowpen	Verbesina encelioides	Asteraceae (Sunflower)	Yellow
Daisy, Engelmann's (Engelmannia pinnatifida)	Engelmannia peristenia	Asteraceae (Sunflower)	Yellow
Daisy, False	Eclipta prostrata (Eclipta alba)	Asteraceae (Sunflower)	White
Daisy, Fine-leaf Four-nerve	Tetraneuris linearifolia var. linearifolia (Hymenoxys linearifolia)	Asteraceae (Sunflower)	Yellow
Daisy, Four-nerve	Tetraneuris scaposa var. scaposa (Hymenoxys scaposa)	Asteraceae (Sunflower)	Yellow
Daisy, Huisache	Amblyolepis setigera	Asteraceae (Sunflower)	Yellow
Daisy, Least	Chaetopappa asteroides	Asteraceae (Sunflower)	White
Daisy, Oxeye	Leucanthemum vulgare	Asteraceae (Sunflower)	White
Daisy, Pincushion	Gaillardia suavis	Asteraceae (Sunflower)	Orange
Daisy, Plains Lazy	Aphanostephus ramosissimus	Asteraceae (Sunflower)	White
Daisy, Plains Yellow	Tetraneuris scaposa var. scaposa (Hymenoxys scaposa)	Asteraceae (Sunflower)	Yellow
Daisy, Saw-leaf	Grindelia ciliata (Grindelia papposa Prionopsis ciliata)	Asteraceae (Sunflower)	Yellow
Daisy, Square-bud	Tetragonotheca texana	Asteraceae (Sunflower)	Yellow
Daisy, Sticky Granite	Heterotheca stenophylla	Asteraceae (Sunflower)	Yellow
Daisy, Tahoka	Machaeranthera tanacetifolia	Asteraceae (Sunflower)	Purple
Daisy, Whiteray Least	Chaetopappa bellidifolia	Asteraceae (Sunflower)	White
Dalea, Bigtop	Dalea enneandra	Fabaceae (Pea)	White
Dalea, Black	Dalea frutescens	Fabaceae (Pea)	Pink
Dalea, Feather	Dalea formosa	Fabaceae (Pea)	Pink
Damianita	Chrysactinia mexicana	Asteraceae (Sunflower)	Yellow
Dandelion, Carolina False	Pyrrhopappus carolinianus	Asteraceae (Sunflower)	Yellow
Dandelion, Dwarf	Krigia caespitosa (Krigia oppositifolia)	Asteraceae (Sunflower)	Yellow
Dandelion, Texas	Pyrrhopappus pauciflorus (Pyrrhopappus multicaulis)	Asteraceae (Sunflower)	Yellow
Dandelion, White	Pinaropappus roseus	Asteraceae (Sunflower)	White
Dayflower	Commelina erecta	Commelinaceae (Spiderwort)	Blue
Dayflower, False	Tinantia anomala	Commelinaceae (Spiderwort)	Blue
Deervetch, Pine	Acmispon oroboides (Lotus plebeius)	Fabaceae (Pea)	Yellow
Desertpeony, Featherleaf	Acourtia runcinata	Asteraceae (Sunflower)	Pink
Desertpeony, Wright's	Acourtia wrightii	Asteraceae (Sunflower)	Pink
Devil's Bouquet	Nyctaginia capitata	Nyctaginaceae (Four O'clock)	Red
Devil-weed, Mexican	Chloracantha spinosa	Asteraceae (Sunflower)	White
Dewberry, Southern	Rubus trivialis	Rosaceae (Rose)	White
Diamondflowers	Stenaria nigricans var. nigricans (Hedyotis nigricans var. nigricans) (Houstonia nigricans var. nigricans)	Rubiaceae (Madder)	White
Dock, Canaigre	Rumex hymenosepalus	Polygonaceae (Buckwheat)	White/Green
Dock, Curly	Rumex crispus	Polygonaceae (Buckwheat)	White/Green
Dock, Fiddle	Rumex pulcher	Polygonaceae (Buckwheat)	White
Dock, Pale Dock, Smooth	Rumex altissimus	Polygonaceae (Buckwheat)	Green
Dock, Yellow	Rumex crispus	Polygonaceae (Buckwheat)	White/Green
Dogweed	Dyssodia papposa	Asteraceae (Sunflower)	Yellow
Dogweed, Pricklyleaf	Thymophylla acerosa (Dyssodia acerosa)	Asteraceae (Sunflower)	Yellow
Dogwood, Flowering	Cornus florida	Cornaceae (Dogwood)	White
Dogwood, Roughleaf	Cornus drummondii	Cornaceae (Dogwood)	White
Don Quixote's Lace	Yucca treculeana (Yucca torreyi)	Asparaceae (Asparagus)	White
Downy Paintcup	Castilleja sessiliflora	Orobanchaceae (Broomrape)	Yellow
Dozedaisy, Arkansas	Aphanostephus skirrhobasis	Asteraceae (Sunflower)	White
Dozedaisy, Plains	Aphanostephus ramosissimus	Asteraceae (Sunflower)	White
Dragonhead, Narrow-leaf False	Physostegia angustifolia	Lamiaceae (Mint)	Purple
Dutchman's Breeches	Thamnosma texana	Rutaceae (Rue)	Yellow
Dwarfdandelion, Weedy	Krigia caespitosa (Krigia oppositifolia)	Asteraceae (Sunflower)	Yellow

E

COMMON NAME	SCIENTIFIC NAME	FAMILY	COLOR
Elephant's-foot, Carolina	Elephantopus carolinianus	Asteraceae (Sunflower)	Purple
Elephant's-foot, Leafy	Elephantopus carolinianus	Asteraceae (Sunflower)	Purple
Elm, Cedar	Ulmus crassifolia	Ulmaceae (Elm)	Red
Eryngo, Leavenworth's Eryngo	Eryngium leavenworthii	Apiaceae (Parsley)	Purple
Esperanza	Tecoma stans	Bignoniaceae (Trumpet-creeper)	Yellow
Evening Primrose, Big-fruit	Oenothera macrocarpa (Oenothera missouriensis)	Onagraceae (Evening Primrose)	Yellow
Evening Primrose, Cut-leaf	Oenothera laciniata	Onagraceae (Evening Primrose)	Yellow
Evening Primrose, Fourpoint	Oenothera rhombipetala	Onagraceae (Evening Primrose)	Yellow
Evening Primrose, Kunth's	Oenothera kunthiana	Onagraceae (Evening Primrose)	White
Evening Primrose, Showy	Oenothera speciosa	Onagraceae (Evening Primrose)	>Pink
Evening Primrose, Prairie	Oenothera albicaulis	Onagraceae (Evening Primrose)	White
Evening Primrose, Short-fruit	Oenothera brachycarpa	Onagraceae (Evening Primrose)	Yellow
Evening Primrose, Showy	Oenothera laciniata (Oenothera laciniata var. grandis)	Onagraceae (Evening Primrose)	Yellow
Evening Primrose, Stemless	Oenothera triloba	Onagraceae (Evening Primrose)	Yellow
Evening Primrose, Whitest	Oenothera albicaulis	Onagraceae (Evening Primrose)	White
Everlasting, Sweet	Pseudognaphalium obtusifolium	Asteraceae (Sunflower)	White
Evolvulus, White	Evolvulus sericeus	Convolvulaceae (Morning Glory)	White

F

COMMON NAME	SCIENTIFIC NAME	FAMILY	COLOR
False Foxglove, Beach	Agalinis fasciculata	Orobanchaceae (Broomrape)	Pink
False Foxglove, Plateau	Agalinis edwardsiana	Orobanchaceae (Broomrape)	Pink
False Foxglove, Prairie	Agalinis heterophylla	Orobanchaceae (Broomrape)	Pink
False Foxglove, Stiff-leaf	Agalinis strictifolia	Orobanchaceae (Broomrape)	Pink
False Goldeneye, Longleaf	Heliomeris longifolia var. annua	Asteraceae (Sunflower)	Yellow
False Gromwell	Onosmodium bejariense var. bejariense	Boraginaceae (Forget-me-not)	White
False Hawksbeard, Oriental	Youngia japonica	Asteraceae (Sunflower)	Yellow
False Mallow, Common	Malvastrum coromandelianum	Malvaceae (Mallow)	Yellow
False Mallow, Three-lobe	Malvastrum coromandelianum	Malvaceae (Mallow)	Yellow
False Nightshade	Chamaesaracha coniodes	Solanaceae (Nightshade)	White
False Nightshade, Hairy	Chamaesaracha sordida	Solanaceae (Nightshade)	White
False Nightshade, Woolly	Chamaesaracha villosa	Solanaceae (Nightshade)	White
False Pennyroyal, Drummond's	Hedeoma drummondii	Lamiaceae (Mint)	Pink
False Pennyroyal, Mock	Hedeoma drummondii	Lamiaceae (Mint)	Pink
False Pennyroyal, Ribbed	Hedeoma costata var. pulchella	Lamiaceae (Mint)	Purple
False Pennyroyal, Slender	Hedeoma acinoides	Lamiaceae (Mint)	Pink
Fameflower Fameflower, Orange	Phemeranthus aurantiacus (Talinum aurantiacum)	Montiaceae (Miner's Lettuce)	Orange
Fanpetals, Bracted	Sida ciliaris	Malvaceae (Mallow)	Red
Fanpetals, New Mexico	Sida neomexicana	Malvaceae (Mallow)	Orange
Fanpetals, Spreading	Sida abutifolia (Sida filicaulis)	Malvaceae(Mallow)	Yellow
Farkleberry	Vaccinium arboreum	Ericaceae (Heath)	White
Featherplume	Dalea formosa	Fabaceae (Pea)	Pink
Feverfew, Gray's	Parthenium confertum	Asteraceae (Sunflower)	White
Feverfew, Santa Maria	Parthenium hysterophorus	Asteraceae (Sunflower)	White
Fiddleleaf, Havard	Nama havardii	Boraginaceae (Forget-me-not)	Pink
Fiddleleaf, Wishbone	Nama dichotoma (Nama dichotomum)	Boraginaceae (Forget-me-not)	Purple
Firecracker Bush	Bouvardia ternifolia (Bouvardia glaberrima)	Rubiaceae (Madder)	Red
Five-eyes, Hairy	Chamaesaracha sordida	Solanaceae (Nightshade)	White
Five-eyes, Trans-Pecos	Chamaesaracha villosa	Solanaceae (Nightshade)	White
Five-needle Pricklyleaf	Thymophylla pentachaeta (Dyssodia pentachaeta)	Asteraceae (Sunflower)	Yellow
Flameflower, Orange	Phemeranthus aurantiacus (Talinum aurantiacum)	Montiaceae (Miner's Lettuce)	Orange
Flatsedge, Fragrant	Cyperus odorarus	Cyperaceae (Sedge)	Green
Flatsedge, Globe	Cyperus echinatus	Cyperaceae (Sedge)	Green
Flatsedge, Green	Cyperus virens	Cyperaceae (Sedge)	Green
Flatsedge, Rusty	Cyperus odorarus	Cyperaceae (Sedge)	Green
Flax, Berlandieri's Yellow	Linum berlandieri	Linaceae (Flax)	Yellow
Flax, Bowl	Linum berlandieri	Linaceae (Flax)	Yellow
Flax, Bristle	Linum aristatum	Linaceae (Flax)	Yellow
Flax, Chihuahuan	Linum vernale	Linaceae (Flax)	Orange
Flax, Hudson	Linum hudsonioides	Linaceae (Flax)	Yellow
Flax, Meadow	Linum pratense	Linaceae (Flax)	Blue
Flax, Rock	Linum rupestre	Linaceae (Flax)	Yellow
Flax, Stiff Yellow	Linum medium var. texanum	Linaceae (Flax)	Yellow
Flax, Sucker	Linum medium var. texanum	Linaceae (Flax)	Yellow
Flax, Texas	Linum hudsonioides	Linaceae (Flax)	Yellow
Fleabane, Annual	Erigeron annuus	Asteraceae (Sunflower)	White
Fleabane, Daisy	Erigeron strigosus	Asteraceae (Sunflower)	White
Fleabane, Eastern Daisy	Erigeron annuus	Asteraceae (Sunflower)	White
Fleabane, Hairy	Erigeron pulchellus	Asteraceae (Sunflower)	White
Fleabane, Marsh	Pluchea odorata	Asteraceae (Sunflower)	Purple
Fleabane, Philadelphia	Erigeron philadelphicus	Asteraceae (Sunflower)	White
Fleabane, Plains	Erigeron modestus	Asteraceae (Sunflower)	White
Fleabane, Prairie	Erigeron strigosus	Asteraceae (Sunflower)	White
Flower of Stone	Selaginella lepidophylla	Selaginellaceae (Spikemoss)	White
Fluffgrass	Dasyochloa pulchella	Poaceae (Grass)	White
Forget-me-not, Large-seed	Myosotis macrosperma	Boraginaceae (Forget-me-not)	White
Four O'clock, Common	Mirabilis jalapa	Nyctaginaceae (Four O'clock)	Pink
Four O'clock, Heartleaf	Mirabilis nyctaginea	Nyctaginaceae (Four O'clock)	Pink
Four O'clock, Narrow-leaf	Mirabilis linearis	Nyctaginaceae (Four O'clock)	White
Four O'clock, Texas	Mirabilis texensis (Mirabilis rotata)	Nyctaginaceae (Four O'clock)	Pink
Four O'clock, Trailing	Allionia incarnata	Nyctaginaceae (Four O'clock)	Pink
Four O'clock, White	Mirabilis albida	Nyctaginaceae (Four O'clock)	White
Foxglove, Wild	Penstemon cobaea	Plantaginaceae (Plantain)	Pink
Fringetree, White	Chionanthus virginicus	Oleaceae (Olive)	White
Frogfruit, Lanceleaf Frog-fruit, Northern	Phyla lanceolata	Verbenaceae (Verbena)	White
Frogfruit, Texas	Phyla nodiflora	Verbenaceae (Verbena)	White
Frostweed	Verbesina virginica	Asteraceae (Sunflower)	White
Frostweed, Georgia	Helianthemum georgianum (Crocanthemum georgianum)	Cistaceae (Rock-rose)	Yellow
Fumewort, Curvepod	Corydalis curvisiliqua	Papaveraceae (Poppy)	Yellow
Funnel-lily, Blue	Androstephium coeruleum	Asparagaceae (Asparagus)	Blue

G

COMMON NAME	SCIENTIFIC NAME	FAMILY	COLOR
Gaillardia, Red	Gaillardia amblyodon	Asteraceae (Sunflower)	Red
Gaillardia, Sweet	Gaillardia suavis	Asteraceae (Sunflower)	Orange
Garlic, False	Nothoscordum bivalve	Amaryllidaceae (Amaryllis)	White
Garlic, Fraser Meadow	Allium canadense var. fraseri	Amaryllidaceae (Amaryllis)	White
Garlic, Meadow	Allium canadense var. canadense	Amaryllidaceae (Amaryllis)	White
Gaura, Scarlet	Oenothera suffrutescens (Gaura coccinea)	Onagraceae (Evening Primrose)	Pink/Red
Gaura, White	Oenothera lindheimeri (Gaura lindheimeri)	Onagraceae (Evening Primrose)	White
Gayfeather, Aggie-land	Liatris cymosa	Asteraceae (Sunflower)	Purple
Gayfeather, Branched	Liatris cymosa	Asteraceae (Sunflower)	Purple
Gayfeather, Dotted	Liatris punctata (Liatris mucronata)	Asteraceae (Sunflower)	Purple
Gayfeather, Pinkscale	Liatris elegans	Asteraceae (Sunflower)	Purple
Gayfeather, Rough	Liatris aspera	Asteraceae (Sunflower)	Purple
Gayfeather, Sharp	Liatris acidota	Asteraceae (Sunflower)	Purple
Gentian, Catchfly Prairie	Eustoma exaltatum (Eustoma grandiflorum, Eustoma russellianum)	Gentianaceae (Gentian)	Purple
Geranium, Carolina	Geranium carolinianum	Geraniaceae (Geranium)	White
Geranium, Cut-leaf	Geranium dissectum	Geraniaceae (Geranium)	Pink
Gerardia, Prairie	Agalinis heterophylla	Orobanchaceae (Broomrape)	Pink
Germander, American Germander, Canadian	Teucrium canadense	Lamiaceae (Mint)	Pink
Germander, Coahuila	Teucrium coahuilanum (Teucrium cubense ssp. laevigatum, Teucrium cubense var. laevigatum)	Lamiaceae (Mint)	White
Germander, Cut-leaf	Teucrium laciniatum	Lamiaceae (Mint)	White
Germander, Lacy	Teucrium laciniatum	Lamiaceae (Mint)	>White
Germander, Small Coastal	Teucrium cubense	Lamiaceae (Mint)	White
Gilia, Blue	Giliastrum rigidulum (Gilia rigidula)	Polemoniaceae (Phlox)	Blue
Gilia, Cutleaf	Giliastrum incisum (Gilia incisa)	Polemoniaceae (Phlox)	Blue
Gilia, Scarlet	Ipomopsis aggregata	Polemoniaceae (Phlox)	Red
Gilia, Split-leaf	Giliastrum incisum (Gilia incisa)	Polemoniaceae (Phlox)	Blue
Globe-amaranth, Nealley's	Gomphrena nealleyi	Amaranthaceae (Amaranth)	>White
Globeberry, Lindheimer's	Ibervillea lindheimeri	Cucurbitaceae (Gourd)	Yellow
Globemallow, Caliche	Sphaeralcea coccinea	Malvaceae (Mallow)	Orange
Globemallow, Narrow-leaf	Sphaeralcea angustifolia	Malvaceae (Mallow)	Pink
Globemallow, Scarlet	Sphaeralcea coccinea	Malvaceae (Mallow)	Orange
Globemallow, Spear	Sphaeralcea hastulata	Malvaceae (Mallow)	Orange
Goathead	Tribulus terrestris	Zygophyllaceae (Caltrop)	Yellow
Goatsbeard	Tragopogon dubius	Asteraceae (Sunflower)	Yellow
Goldenaster	Heterotheca subaxillaris	Asteraceae (Sunflower)	>Yellow
Goldenaster, Gray	Heterotheca canascens	Asteraceae (Sunflower)	Yellow
Goldenaster, Soft	>Bradburia pilosa (Chrysopsis pilosa, Heterotheca pilosa)	Asteraceae (Sunflower)	Yellow
Goldenaster, Stiffleaf False	Heterotheca stenophylla	Asteraceae (Sunflower)	Yellow
Goldenbush, Southern	Isocoma pluriflora (Isocoma wrightii)	Asteraceae (Sunflower)	Yellow
Goldeneye, Plateau	Viguiera dentata	Asteraceae (Sunflower)	Yellow
Goldeneye, Skeleton-leaf	Viguiera stenoloba	Asteraceae (Sunflower)	Yellow
Goldeneye, Sunflower	Viguiera dentata	Asteraceae (Sunflower)	Yellow
Goldenrod, Downy Goldenrod, Downy Ragged	Solidago petiolaris	Asteraceae (Sunflower)	Yellow
Goldenrod, Gray Goldenrod, Prairie	Solidago nemoralis	Asteraceae (Sunflower)	Yellow
Goldenrod, Tall	Solidago altissima	Asteraceae (Sunflower)	Yellow
Goldenrod, Western Rough	Solidago radula	Asteraceae (Sunflower)	Yellow
Goldenshower, Narrowleaf	Galphimia angustifolia	Malpighiaceae (Barbados-Cherry)	Yellow
Golden-wave	Coreopsis basalis	Asteraceae (Sunflower)	Yellow
Goldenweed	Croptilon divaricatum	Asteraceae (Sunflower)	Yellow
Goldenweed, Spiny	Xanthisma spinulosum var. spinulosum (Machaeranthera texensis)	Asteraceae (Sunflower)	Yellow
Gourd, Buffalo	Cucurbita foetidissima	Cucurbitaceae (Gourd)	Yellow
Grama, Sideoats	Bouteloua curtipendula	Poaceae (Grass)	White
Grapefern, Southern Grapefern, Sparse-lobed	Botrychium biternatum (Sceptridium biternatum)	Ophioglossaceae (Adder's Tongue)	Yellow
Grape, Mustang	Vitis mustangensis	Vitaceae (Grape)	White/Green
Grass, Annual Rabbit's-foot	Polypogon monspeliensis	Poaceae (Grass)	White
Grass, Buffalo	Bouteloua dactyloides (Buchloe dactyloides)	Poaceae (Grass)	White/Green
Grass, False Rhodes	Trichloris crinita (Leptochloa crinita)	Poaceae (Grass)	White
Greenbrier, Roundleaf	Smilax rotundifolia	Smilacaceae (Catbrier)	Green
Greenbrier, Saw	Smilax bona-nox	Smilacaceae (Catbrier)	Green
Greeneyes, Texas	Berlandiera texana (Belandiera betonicifolia)	Asteraceae (Sunflower)	Yellow
Greeneyes, Lyreleaf	Berlandiera lyrata	Asteraceae (Sunflower)	Yellow
Greenthread	Thelesperma filifolium	Asteraceae (Sunflower)	Yellow
Greenthread, Edwards Plateau	Thelesperma simplicifolium	Asteraceae (Sunflower)	Yellow
Greenthread, Hopi Tea	Thelesperma megapotamicum	Asteraceae (Sunflower)	Yellow
Gromwell, Corn	Buglossoides arvensis (Lithospermum arvense)	Boraginaceae (Forget-Me-Not)	White
Gromwell, False	Onosmodium bejariense (Onosmodium molle, Lithospermum molle, Lithospermum bejariense)	Boraginaceae (Forget-me-not)	White
Gromwell, Rough	Lithospermum matamorense	Boraginaceae (Forget-Me-Not)	White
Groundcherry, Cut-leaf	Physalis angulata	Solanaceae (Nightshade)	Yellow
Groundcherry, Purple	Quincula lobata (Physalis lobata)	Solanaceae (Nightshade)	Purple
Groundplum, Berlandieri's	Astragalus crassicarpus var. berlandieri	Fabaceae (Pea)	White
Groundsel, Cress-leaf	Packera glabella (Senecio glabellus)	Asteraceae (Sunflower)	Yellow
Groundsel, Cut-leaf	Packera tampicana (Senecio tampicanus, Senecio imparipinnatus)	Asteraceae (Sunflower)	Yellow
Groundsel, Golden	Packera obovata (Senecio obovatus)	Asteraceae (Sunflower)	Yellow
Groundsel, Round-leaf	Packera obovata (Senecio obovatus)	Asteraceae (Sunflower)	Yellow
Groundsel, Texas	Senecio ampullaceus	Asteraceae (Sunflower)	Yellow
Groundseltree	Baccharis halimifolia	Asteraceae (Sunflower)	White
Guajillo	Senegalia berlandieri (Acacia berlandieri)	Fabaceae (Pea)	White
Guapila	Hechtia texensis	Bromeliaceae (Bromeliad)	White
Guyacan	Guaiacum angustifolium (Porlieria angustifolia)	Zygophyllaceae (Caltrop)	Purple
Gumhead	Gymnosperma glutinosum (Xanthocephalum glutinosum)	Asteraceae (Sunflower)	Yellow
Gumweed, Curlycup	Grindelia squarrosa var. nuda	Asteraceae (Sunflower)	Yellow

H

COMMON NAME	SCIENTIFIC NAME	FAMILY	COLOR
Hackberry, Desert Hackberry, Spiny	Celtis pallida (Celtis ehrenbergiana)	Cannabaceae (Hemp)	White
Havard Fiddleleaf	Nama havardii	Boraginaceae (Forget-me-not)	Pink
Havana Snakeroot	Ageratina havanensis (Eupatorium havanense)	Asteraceae (Sunflower)	White
Hedeoma, Slender	Hedeoma acinoides	Lamiaceae (Mint)	Pink
Heliotrope, Four-spike	Heliotropium procumbens (Euploca procumbens)	Boraginaceae (Forget-me-not)	White
Heliotrope, Indian	Heliotropium indicum	Boraginaceae (Forget-me-not)	Purple
Heliotrope, Leafy	Heliotropium confertifolium (Euploca confertifolia)	Boraginaceae (Forget-me-not)	White
Heliotrope, Pasture	Heliotropium tenellum	Boraginaceae (Forget-me-not)	White
Heliotrope, Salt Heliotrope, Seaside	Heliotropium curavassicum	Boraginaceae (Forget-me-not)	White
Heliotrope, White	Heliotropium tenellum	Boraginaceae (Forget-me-not)	White
Hempweed, Climbing	Mikania scandens	Asteraceae (Sunflower)	White
Hemlock, Poison	Conium maculatum	Apiaceae (Parsley)	White
Henbit	Lamium amplexicaule	Lamiaceae (Mint)	Purple
Herbertia	Herbertia lahue	Iridaceae (Iris)	Purple
Herbia del Marrano	Symphyotrichum subulatum var. ligulatum (Symphyotrichum divaricatum, Aster subulatus)	Asteraceae (Sunflower)	White
Hibiscus, Desert	Hibiscus denudatus	Malvaceae (Mallow)	Pink
Hoary Pea, Lindheimer's	Tephrosia lindheimeri	Fabaceae (Pea)	Pink
Hoary Pea, Multi-bloom	Tephrosia onobrychoides	Fabaceae (Pea)	White
Hog-potato	Hoffmannseggia glauca	Fabaceae (Pea)	Yellow
Hogwort Hogwort, Lindheimer's	Croton lindheimeri (Croton capitatus var. lindheimeri)	Euphorbiaceae (Spurge)	White
Hole-in-the-sand Plant	Nicolletia edwardsii	Asteraceae (Sunflower)	White
Holly, Yaupon	Ilex vomitoria	Aquifoliaceae (Holly)	White
Honeydew	Cucumis melo	Cucurbitaceae (Gourd)	Yellow
Honeymat	Tidestromia lanuginosa	Amaranthaceae (Amaranth)	Yellow
Honeysuckle, Coral	Lonerica sempervirens	Caprifoliacaceae (Honeysuckle)	Red
Honeysuckle, Japanese	Lonicera japonica	Caprifoliacaceae (Honeysuckle)	Red
Honeysuckle, Trumpet	Lonerica sempervirens	Caprifoliacaceae (Honeysuckle)	Red
Honeysuckle, White	Oenothera suffulta (Gaura suffulta)	Onagraceae (Evening Primrose)	White
Honeysuckle, Wright's Desert	Anisacanthus quadrifidus var. wrightii	Acanthaceae (Acanthus)	Red
Hop Clover, Low	Trifolium campestre	Fabaceae (Pea)	Yellow
Hop Trefoil	Trifolium campestre	Fabaceae (Pea)	Yellow
Hoptree	Ptelea trifoliata	Rutaceae (Rue)	White
Horehound Horehound, White	Marrubium vulgare	Lamiaceae (Mint)	White
Hornpoppy, Blackspot	Glaucium corniculatum	Papaveraceae (Poppy)	Red
Horsebrier	Smilax rotundifolia	Smilacaceae (Catbrier)	Green
Horsemint, Purple	Monarda citriodora	Lamiaceae (Mint)	Purple
Horsenettle, Western	Solanum dimidiatum	Solanaceae (Nightshade)	Purple
Huisache	Vachellia farnesiana (Acacia farnesiana)	Fabaceae (Pea)	Yellow
Hummingbird Bush	Anisacanthus quadrifidus var. wrightii	Acanthaceae (Acanthus)	Red
Hyacinth, Water	Eichhornia crassipes	Acanthaceae (Acanthus)	Red

I-J-K

COMMON NAME	SCIENTIFIC NAME	FAMILY	COLOR
Indian Blanket	Gaillardia pulchella	Asteraceae (Sunflower)	Red
Indigo Bush, False	Amorpha fruticosa	Fabaceae (Pea)	Purple
Indigo, Long-bract Wild	Baptisia bracteata	Fabaceae (Pea)	Yellow
Ipomopsis, Havard's	Ipomopsis havardii	Polemoniaceae (Phlox)	Pink
Ipomopsis, Long-flowered	Ipomopsis longiflora	Polemoniaceae (Phlox)	White
Iris, Copper	Iris fulva	Iridaceae (Iris)	Red
Ironweed, Lindheimer's	Vernonia lindheimeri	Asteraceae (Sunflower)	Purple
Ironweed, Woolly	Vernonia lindheimeri	Asteraceae (Sunflower)	Purple
Jack-in-the-bush	Chromolaena odorata (Eupatorium odoratum)	Asteraceae (Sunflower)	Blue
Jerusalem Thorn	Parkinsonia aculeata	Fabaceae (Pea)	Yellow
Jessamine, Carolina	Gelsemium sempervirens	Loganiaceae (Logania)	Yellow
Jewelflower, Brazos	Streptanthus petiolaris	Brassicaceae (Mustard)	White
Jimmyweed, Southern	Isocoma pluriflora (Isocoma wrightii)	Asteraceae (Sunflower)	Yellow
Jimson-weed	Datura wrightii	Solonaceae (Nightshade)	White
Juniper-leaf	Polypremum procumbens	Tetrachondraceae	White
Krameria, Trailing	Krameria lanceolata	Krameriaceae (Krameria)	Red
Kisses	Oenothera suffulta (Gaura suffulta)	Onagraceae (Evening Primrose)	White

L

COMMON NAME	SCIENTIFIC NAME	FAMILY	COLOR
Lady's Tresses, Great Plains	Spiranthes magnicamporum	Orchidaceae (Orchid)	White
Lady's Tresses, Southern Slender	Spiranthes lacera var. gracilis	Orchidaceae (Orchid)	White
Lady's Tresses, Spring	Spiranthes vernalis	Orchidaceae (Orchid)	White
Lantana, Desert	Lantana achyranthifolia (Lantana macropoda)	Verbenaceae (Verbena)	Pink
Lantana, Texas	Lantana horrida (Lantana urticoides)	Verbenaceae (Verbena)	Yellow/Orange
Lantana, Trailing	Lantana montevidensis	Verbenaceae (Verbena)	Pink
Larkspur, Carolina Larkspur, Prairie Larkspur, White	Delphinium carolinianum ssp. virescens	Ranunculaceae (Buttercup)	White
Larkspur, Blue Larkspur, Pine Woods Larkspur, Carolina	Delphinium carolinianum ssp. vimineum	Ranunculaceae (Buttercup)	Blue
Laurel, Texas Mountain	Dermatophyllum secundiflorum (Sophora secundiflora)	Fabaceae (Pea)	Purple
Leadtree, Littleleaf	Leucaena retusa	Fabaceae (Pea)	Yellow
Leastdaisy, Arkansas	Chaetopappa asteroides	Asteraceae (Sunflower)	White
Leastdaisy, Whiteray	Chaetopappa bellidifolia	Asteraceae (Sunflower)	Purple
Leatherflower, Purple	Clematis pitcheri	Ranunculaceae (Buttercup)	Blue/Purple
Leatherflower, Scarlet	Clematis texensis	Ranunculaceae (Buttercup)	Red
Leatherstem	Jatropha dioica var. graminea	Euphorbiaceae (Spurge)	Pink
Leatherweed	Croton pottsii var. pottsii	Euphorbiaceae (Spurge)	White/Green
Lecheguilla	Agave lecheguilla Agave lechuguilla	Asparagaceae (Asparagus>	Red
Lemonscent	Pectis angustifolia	Asteraceae (Sunflower)	Yellow
Lespedeza, Hairy	Lespedeza hirta	Fabaceae (Pea)	White
Lespedeza, Trailing	Lespedeza procumbens	Fabaceae (Pea)	Pink
Lettuce, Lamb's	Valerianella locusta	Valerianaceae (Valerian)	White
Lettuce, Louisiana	Lactuca ludoviciana	Asteraceae (Sunflower)	Pink
Lettuce, Prickly	Lactuca serriola	Asteraceae (Sunflower)	Yellow
Lettuce, Wild	Lactuca ludoviciana	Asteraceae (Sunflower)	Pink
Lineleaf Whitepuff	Oligomeris linifolia	Resedaceae (Mignonette)	White/Green
Lilac Chastetree	Vitex agnus-castus	Lamiaceae (Mint)	Purple
Lily, Prairie	Zephyranthes drummondii (Cooperia pedunculata)	Amaryllidaceae (Amaryllis)	White
Lobelia, Berlandier's	Lobelia berlandieri	Campanulaceae (Bellflower)	Blue
Lobelia, Downy Lobelia, Reverchon's	Lobelia reverchonii (Lobelia puberula var. pauciflora)	Campanulaceae (Bellflower)	Blue
Love-in-a-puff	Cardiospermum halicacabum	Sapindaceae (Soapberry)	White

M

COMMON NAME	SCIENTIFIC NAME	FAMILY	COLOR
Madder, Field	Sherardia arvensis	Rubiaceae (Madder)	Pink
Madrone, Texas	Arbutus xalapensis	Ericaceae (Heath)	White
Mallow, Arrowleaf	Malvella sagittifolia (Sida leprosa var. sagittifolia)	Malvaceae (Mallow)	White
Mallow, Chisos Mountains False Indian	Allowissadula holosericea	Malvaceae (Mallow)	Yellow
Mallow, Rose	Pavonia lasiopetala	Malvaceae (Mallow)	Pink
Mallow, Sweet Indian	Abutilon fruticosum (Abutilon texense)	Malvaceae (Mallow)	Yellow
Mallow, Texas Indian	Abutilon fruticosum (Abutilon texense)	Malvaceae (Mallow)	Yellow
Mallow, Velvet-leaf	Allowissadula holosericea	Malvaceae (Mallow)	Yellow
Mallow, Wax	Malvaviscus arboreus var. drummondii	Malvaceae (Mallow)	Red
Mallow, Yellow Indian	Abutilon malacum	Malvaceae (Mallow)	Yellow
Marbleseed, Soft-hair	Onosmodium bejariense (Onosmodium molle, Lithospermum molle, Lithospermum bejariense)	Boraginaceae (Forget-me-not)	White
Marigold, Desert	Baileya multiradiata	Asteraceae (Sunflower)	Yellow
Marigold, Fetid	Dyssodia papposa	Asteraceae (Sunflower)	Yellow
Mariola	Parthenium incanum	Asteraceae (Sunflower)	White
Marsh Elder, Annual	Iva annua	Asteraceae (Sunflower)	Green
Marshpennywort, Manyflower	Hydrocotyle umbellata	Araliaceae (Ginseng)	White
May Apple	Podophyllum peltatum	Berberidaceae (Barberry)	White
Maypop	Passiflora incarnata	Passifloraceae (Passionflower)	Blue/Purple
Matweed, Small	Guilleminea densa var. aggregata	Amaranthaceae (Amaranth)	White
Marvel of Peru	Mirabilis jalapa	Nyctaginaceae (Four O'clock)	Pink
Medick, Black	Medicago lupulina	Fabaceae (Pea)	Yellow
Mediterranean Lineseed	Bellardia trixago	Orobanchaceae (Broomrape)	White
Mejorana	Lantana achyranthifolia (Lantana macropoda)	Verbenaceae (Verbena)	Pink
Melica, Three-flower Melicgrass, Three-flower	Melica nitens	Poaceae (Grass)	Green
Melon-loco	Apodanthera undulata	Cucurbitaceae (Gourd)	Yellow
Menodora, Low	Menodora heterophylla	Oleaceae (Olive)	Yellow
Menodora, Rough	Menodora scabra	Oleaceae (Olive)	Yellow
Menodora, Showy	Menodora longiflora	Oleaceae (Olive)	Yellow
Mesa Greggia	Nerisyrenia camporum	Brassicaceae (Mustard)	White/Lavender
Mescal Bean	Dermatophyllum secundiflorum (Sophora secundiflora)	Fabaceae (Pea)	Purple
Mesquite, Honey	Prosopis glandulosa var. glandulosa	Fabaceae (Pea)	Yellow/White
Mexican Hat	Ratibida columnifera (Ratibida columnaris)	Asteraceae (Sunflower)	Yellow
Milfoil	Achillea millefolium	Asteraceae (Sunflower)	White
Milkvetch, Arkansas	Astragalus distortus var. engelmannii	Fabaceae (Pea)	Purple
Milkvetch, Groundplum	Astragalus crassicarpus var. berlandieri	Fabaceae (Pea)	White
Milkvetch, Missouri	Astragalus missouriensis	Fabaceae (Pea)	Purple
Milkvetch, Rare Loco	Astragalus leptocarpus	Fabaceae (Pea)	Purple
Milkvetch, Rio Fronteras	Astragalus nuttallianus var. austrinus	Fabaceae (Pea)	Purple
Milkvetch, Slender	Astragalus gracilis	Fabaceae (Pea)	Purple
Milkvetch, Slimpod	Astragalus leptocarpus	Fabaceae (Pea)	Purple
Milkvetch, Smallflowered	Astragalus nuttallianus var. austrinus	Fabaceae (Pea)	Purple
Milkvetch, Smallflowered	Astragalus nuttallianus var. nuttallianus	Fabaceae (Pea)	Purple
Milkweed, Climbing	Funastrum cynanchoides var. cynanchoides (Sarcostemma cynanchoides ssp. cynanchoides)	Apocynaceae (Dogbane)	White
Milkweed, Emory's	Asclepias emoryi	Apocynaceae (Dogbane)	White
Milkweed, Zizotes	Asclepias oenotheroides	Apocynaceae (Dogbane)	White
Milkweed Vine, Anglepod	Gonolobus suberosus var. granulatus (Matelea gonocarpos)	Apocynaceae (Dogbane)	Green
Milkweed Vine, Green Milkweed Vine, Pearl	Matalea reticulata	Apocynaceae (Dogbane)	Green
Milkwort, White	Polygala alba	Polygalaceae (Milkwort)	White
Mimosa (Tree)	Albizia julibrissin	Fabaceae (Pea)	Pink
Mimosa, Black	Mimisa pigra var. asperata (Mimosa pigra var. berlandieri, Mimosa asperata)	Fabaceae (Pea)	Pink
Mimosa, Desert	Mimosa turnerii	Fabaceae (Pea)	Pink
Mimosa, Emory	Mimosa emoryana	Fabaceae (Pea)	Pink
Mimosa, Fragrant	Mimosa borealis	Fabaceae (Pea)	Pink
Mimosa, Pink	Mimosa borealis	Fabaceae (Pea)	Pink
Mimosa, Roemer's	Mimosa roemeriana	Fabaceae (Pea)	Pink
Mistflower	Conoclinium dissectum (Conoclinium greggii, Eupatorium greggii)	Asteraceae (Sunflower)	Blue
Mistflower, Betonyleaf	Conoclinium betonicifolium (Eupatorium betonicifolium)	Asteraceae (Sunflower)	Blue
Mistflower, Blue	Conoclinium coelestinum (Eupatorium coelestinum)	Asteraceae (Sunflower)	Blue
Modiola, Carolina	Modiola caroliniana	Malvaceae (Mallow)	Pink
Monkeyflower, Round-leaf	Mimulus glabratus (Erythranthe glabrata)	Phrymaceae (Morning Glory)	Yellow
Morning-glory, Lindheimer's	Ipomoea lindheimeri	Convolvulaceae (Morning Glory)	Purple
Morning-glory, Silver Dwarf	Evolvulus sericeus	Convolvulaceae (Morning Glory)	White
Morning-glory, Slender Dwarf	Evolvulus alsinoides	Convolvulaceae (Morning Glory)	Purple
Morning-glory, Trans-Pecos	Ipomoea cristulata	Convolvulaceae (Morning Glory)	Red
Mouse's Ear	Stachys crenata	Lamiaceae (Mint)	Pink
Mule-fat	Baccharis salicifolia (Baccharis glutinosa)	Asteraceae (Sunflower)	White
Mullein, Common	Verbascum thapsus	Scrophulariaceae (Figwort)	Yellow
Muskflower, Scarlet	Nyctaginia capitata	Nyctaginaceae (Four O'clock)	Red
Muskmelon	Cucumis melo	Cucurbitaceae (Gourd)	Yellow
Mustard, Bicolor	Nerisyrenia camporum	Brassicaceae (Mustard)	White
Mustard, Tansy	Descurania pinnata	Brassicaceae (Mustard)	Yellow

N

COMMON NAME	SCIENTIFIC NAME	FAMILY	COLOR
Nailwort, James'	Paronychia jamesii	Caryophyllaceae (Pink)	Yellow
Nama, Bristly	Nama hispida (Nama hispidum)	Boraginaceae (Forget-me-not)	Pink
Nama, Havard	Nama havardii	Boraginaceae (Forget-me-not)	Pink
Navajo Tea	Thelesperma simplicifolium	Asteraceae (Sunflower)	Yellow
Nerve-ray	Tetragonotheca texana	Asteraceae (Sunflower)	Yellow
Navelseed, Mexican Navelwort, Mexican	Omphalodes aliena	Boraginaceae (Forget-me-not)	Blue
Nightshade	Solanum dimidiatum	Solanaceae (Nightshade)	Purple
Nightshade, Eastern Black	Solanum ptychanthum	Solanaceae (Nightshade)	White
Nightshade, Silverleaf	Solanum elaeagnifolium	Solanaceae (Nightshade)	Purple
Nightshade, Texas	Solanum triquetrum	Solanaceae (Nightshade)	White
Nightshade, West Indian	Solanum ptychanthum	Solanaceae (Nightshade)	White
Nits and Lice	Hypericum drummondii	Hypericaceae (St. John's Wort)	Yellow

O

COMMON NAME	SCIENTIFIC NAME	FAMILY	COLOR
Ocotillo	Fouquieria splendens	Fouquieriaceae (Ocotillo)	Red
Old-man's Beard	Clematis drummondii	Ranunculaceae (Buttercup)	White
Old Plainsman	Hymenopappus artemisiifolius	Asteraceae (Sunflower)	White
Olive, Mexican	Cordia boissieri	Cordiaceae (Cordia)	White
Olive, Texas	Cordia boissieri	Cordiaceae (Cordia)	White
Onion, Drummond's Onion, Prairie	Allium drummondii	Amaryllidaceae (Amaryllis)	Pink
Orchid Tree, Anacacho	Bauhinia lunarioides	Fabaceae (Pea)	White

P

COMMON NAME	SCIENTIFIC NAME	FAMILY	COLOR
Paintbrush, Downy Indian	Castilleja purpurea (Castilleja purpurea var. purpurea)	Orobanchaceae (Broomrape)	Pink
Paintbrush, Great Plains Indian	Castilleja sessiliflora	Orobanchaceae (Broomrape)	Yellow
Paintbrush, Indian	Castilleja indivisa	Orobanchaceae (Broomrape)	Red
Paintbrush, Indian	Castilleja integra	Orobanchaceae (Broomrape)	Red
Paintbrush, Lindheimer's Indian	Castilleja lindheimeri (Castilleja purpurea var. lindheimeri)	Orobanchaceae (Broomrape)	Orange
Paintbrush, Prairie Indian	Castilleja citrina (Castilleja purpurea var. citrina)	Orobanchaceae (Broomrape)	Yellow
Paintbrush, Texas	Castilleja indivisa	Orobanchaceae (Broomrape)	Red
Paintbrush, Whole-leaf Indian	Castilleja integra	Orobanchaceae (Broomrape)	Red
Paintbrush, Woolly	Castilleja lanata	Orobanchaceae (Broomrape)	Red
Painted-tongue	Bouchetia anomala (Bouchetia erecta)	Solonaceae (Nightshade)	White
Palafox, Sand	Palafoxia hookeriana	Asteraceae (Sunflower)	Pink
Palafox, Small	Palafoxia callosa	Asteraceae (Sunflower)	Pink
Palmetto, Dwarf	Sabal minor	Arecaceae (Palm)	White
Paloverde Paloverde, Mexican	Parkinsonia aculeata	Fabaceae (Pea)	Yellow
Paperflower, Woolly	Psilostrophe tagetina Psilostrophe villosa (Psilostrophe tagetina var. cerifera)	Asteraceae (Sunflower)	Yellow
Paperflower, Plains	Psilostrophe villosa (Psilostrophe tagetina var. cerifera)	Asteraceae (Sunflower)	Yellow
Parralena	Thymophylla pentachaeta (Dyssodia pentachaeta)	Asteraceae (Sunflower)	Yellow
Parsley, Hedge	Torilis arvensis	Apiaceae (Parsley)	White
Parsley, Marsh	Cyslospermum leptophyllum (Apium leptophyllum)	Apiaceae (Parsley)	White
Parthenium, Lyreleaf	Parthenium confertum	Asteraceae (Sunflower)	White
Passionflower, Purple	Passiflora incarnata	Passifloraceae (Passionflower)	Blue/Purple
Pawpaw	Asimina triloba	Annonaceae (Custard-apple)	Red
Peatree	Sesbania herbacea (Sesbania macrocarpa)	Fabaceae (Pea)	Yellow
Pea, Butterfly	Centrosema virginianum	Fabaceae (Pea)	Purple
Pea, Partridge	Chamaecrista fasciculata	Fabaceae (Pea)	Yellow
Pea, Scarlet	Indigofera miniata	Fabaceae (Pea)	Red
Pea, Turkey	Astragalus nuttallianus var. nuttallianus	Fabaceae (Pea)	Purple
Pellitory, Pennsylvania	Parietaria pensylvanica	Urticaceae (Nettle)	Green
Pelotazo	Abutilon fruticosum (Abutilon texense)	Malvaceae (Mallow)	Yellow
Pencilflower Penciflower, Sidebeak	Stylosanthes biflora	Fabaceae (Pea)	Yellow
Pennyroyal, Drummond's False	Hedeoma drummondii	Lamiaceae (Mint)	Pink
Pennyroyal, Mock	Hedeoma drummondii	Lamiaceae (Mint)	Pink
Pennyroyal, Slender Pennyroyal, Slender False	Hedeoma acinoides	Lamiaceae (Mint)	Pink
Pennyroyal, Umbrella	Hydrocotyle umbellata	Araliaceae (Ginseng)	White
Penstemon, Havard	Penstemon havardii	Plantaginaceae (Plantain)	Red
Penstemon, Loose-flowered	Penstemon laxiflorus	Plantaginaceae (Plantain)	White
Penstemon, Purple	Penstemon dasyphyllus	Plantaginaceae (Plantain)	Blue
Penstemon, Scarlet	Penstemon triflorus	Plantaginaceae (Plantain)	Pink
Penthorum, Virginia	Penthorum sedoides	Penthoraceae (Ditch Stonecrop)	Green
Peonia	Acourtia runcinata	Asteraceae (Sunflower)	Pink
Pepper, Bird Pepper, Cayenne	Capiscum annum var. glabriusculum	Solanaceae (Nightshade)	White
Peppergrass	Lepidium virginicum	Brassicaceae (Mustard)	White
Peppergrass, Common	Lepidium densiflorum	Brassicaceae (Mustard)	White
Pepperweed	Lepidium densiflorum	Brassicaceae (Mustard)	White
Pepperweed, Virginia	Lepidium virginicum	Brassicaceae (Mustard)	White
Perezzia, Pink	Acourtia wrightii	Asteraceae (Sunflower)	Pink
Perfumeballs	Gaillardia suavis	Asteraceae (Sunflower)	Orange
Persimmon, Texas	Diospyros texana	Ebenaceae (Ebony)	White
Petunia, Carolina Wild	Ruellia caroliniensis	Acanthaceae (Acantha)	Purple
Petunia, Fringeleaf Wild	Ruellia humilis	Acanthaceae (Acantha)	Blue
Petunia, Metz's Wild	Ruellia metzae	Acanthaceae (Acantha)	White
Petunia, Parry's Wild	Ruellia parryi	Acanthaceae (Acantha)	Purple
Petunia, Stalked Wild	Ruellia pedunculata	Acanthaceae (Acantha)	Purple
Petunia, Wild	Ruellia nudiflora	Acanthaceae (Acantha)	Purple
Phacelia, Gypsum	Phacelia integrifolia	Hydrophyllaceae (Waterleaf)	Blue
Phacelia, Pope's	Phacelia popei	Hydrophyllaceae (Waterleaf)	Blue
Phacelia, Purple	Phacelia patuliflora	Hydrophyllaceae (Waterleaf)	Blue
Phacelia, Sand	Phacelia patuliflora	Hydrophyllaceae (Waterleaf)	Blue
Phacelia, Skyblue	Phacelia coerulea (Phacelia caerulea)	Hydrophyllaceae (Waterleaf)	Blue
Phacelia, Smooth	Phacelia glabra	Hydrophyllaceae (Waterleaf)	Blue
Phlox, Downy	Phlox pilosa	Polemomiaceae (Phlox)	Pink
Phlox, McAllister's	Phlox drummondii ssp. mcallisteri	Polemomiaceae (Phlox)	Pink
Phlox, Golden-eye	Phlox roemeriana	Polemomiaceae (Phlox)	Pink
Phlox, Pointed	Phlox cuspidata	Polemomiaceae (Phlox)	Pink
Phlox, Prairie	Phlox pilosa	Polemomiaceae (Phlox)	Pink
Phlox, Rio Grande	Phlox glabriflora ssp. littoralis	Polemomiaceae (Phlox)	Pink
Phlox, Thread-leaf	Phlox mesoleuca	Polemomiaceae (Phlox)	Pink
Phlox, Wilcox's	Phlox drummondii ssp. wilcoxiana	Polemomiaceae (Phlox)	Red
Pigeon-berry	Rivina humilis	Phytolaccaceae (Pokeweed)	Pink
Pimpernel	Lysimachia arvensis (var.caerula) (Anagallis arvensis)	Primulaceae (Primrose)	Blue
Pimpernel, Scarlet	Anagallis arvensis (Lysimachia arvensis)	Primulaceae (Primrose)	Orange
Pink, Glandular Mountain	Zeltnera glandulifera (Centaurium glandularferum)	Gentianaceae (Gentian)	Pink
Pink, Hairy	Petrorhagia dubia	Caryophyllaceae (Pink)	Pink
Pink, Meadow	Sabatia campestris	Gentianaceae (Gentian)	Pink
Pink, Mountain	Zeltnera beyrichii (Centaurium beyrichii)	Gentianaceae (Gentian)	Pink
Pinweed, Narrow-leaf	Lechea tenuifolia	Cistaceae (Rockrose)	Red
Pitcher Plant	Sarracenia alata	Sarraceniaceae (Pitcher Plant)	Yellow
Plains Blackfoot	Melampodium leucanthum	Asteraceae (Sunflower)	White
Plainsmustard, Slimleaf	Hesperidanthus linearifolius (Schoenocrambe linearifolia)	Brassicaceae (Mustard)	Purple
Plaintain, Buckhorn Plantain, English	Plantago lanceolata	Plantaginaceae (Plantain)	White
Plaintain, Heller's	Plantago helleri	Plantaginaceae (Plantain)	White
Plaintain, Redseed	Plantago rhodosperma	Plantaginaceae (Plantain)	White
Plantain, Robin's	Erigeron pulchellus	Asteraceae (Sunflower)	White
Plaintain, Woolly	Plantago patagonica	Plantaginaceae (Plantain)	White
Plaintain, Wright's	Plantago wrightiana	Plantaginaceae (Plantain)	White
Plum, Mexican	Prunus mexicana	Rosaceae (Rose)	White
Poinsettia, Toothed-leaf	Euphorbia dentata	Euphorbiaceae (Spurge)	White
Poison Hemlock	Conium maculatum	Apiaceae (Parsley)	White
Poison Oak, Atlantic Poison Oak, Eastern	Toxicodendron pubescens	Anardiaceae (Sumac)	White
Pokeweed, American	Phytolacca americana	Phytolaccaceae (Pokeweed)	White
Poor Joe	Diodella teres (Diodia teres, Hexasepalum teres)	Rubiaceae (Madder)	White
Popcorn Tree	Triadica sebifera	Euphorbiaceae (Spurge)	Green
Poppy, Arizona	Kallstroemia grandiflora	Zygophyllaceae (Caltrop)	Yellow/Orange
Poppy, California Gold	Eschscholzia californica ssp. mexicana (Eschscholzia mexicana)	Papaveraceae (Poppy)	Yellow/Orange
Poppy, Corn Poppy, Flanders	Papaver rhoeas	Papaveraceae (Poppy)	Red
Poppy, Mexican Gold	Eschscholzia californica ssp. mexicana (Eschscholzia mexicana)	Papaveraceae (Poppy)	Yellow/Orange
Poppy, Opium	Papaver somniferum	Papaveraceae (Poppy)	Pink
Poppy, Remembrance	Papaver rhoeas	Papaveraceae (Poppy)	Red
Poppymallow, Slim-lobe	Callirhoe involucrata var. lineariloba	Malvaceae (Mallow)	Pink
Poppymallow, Finger	Callirhoe pedata (Callirhoe digitata var. stipulata)	Malvaceae (Mallow)	Pink
Poppymallow, Palmleaf	Callirhoe pedata (Callirhoe digitata var. stipulata)	Malvaceae (Mallow)	Pink
Poppymallow, Purple	Callirhoe involucrata var. involucrata	Malvaceae (Mallow)	Pink
Poreleaf, Shrubby Poreleaf, Trans-Pecos	Porophyllum scoparium	Asteraceae (Sunflower)	Yellow
Possumhaw	Ilex decidua	Aquifoliaceae (Holly)	White
Possumhaw	Viburnum nudum	Adoxaceae (Moschatel)	White
Poverty Weed	Baccharis neglecta	Asteraceae (Sunflower)	White
Prairie Bishop Praire Bishop's-weed	Bifora americana (Atrema americanum)	Apiaceae (Parsley)	White
Prairie-clover, Black	Dalea frutescens	Fabaceae (Pea)	Purple
Prairie-clover, Downy	Dalea neomexicana	Fabaceae (Pea)	Yellow
Prairie-clover, Nine-anther	Dalea enneandra	Fabaceae (Pea)	White
Prairie-clover, Slim-spike	Dalea phleoides var. microphylla	Fabaceae (Pea)	White
Prairie-clover, Wedge-leaf	Dalea emarginata	Fabaceae (Pea)	White
Prairie-clover, Wright's	Dalea wrightii	Fabaceae (Pea)	Yellow
Prairie Nymph	Herbertia lahue	Iridaceae (Iris)	Purple
Prairie-tea	Croton monanthogynus	Euphorbiaceae (Spurge)	White/Green
Pricklyleaf, Five-needle	Thymophylla pentachaeta (Dyssodia pentachaeta)	Asteraceae (Sunflower)	Yellow
Prickly Pear, Big Bend Purplish	Opuntia azurea var. parva	Cactaceae (Cactus)	Yellow
Prickly Pear, Blind	Opuntia rufida	Cactaceae (Cactus)	Yellow
Prickly Pear, Engelmann's	Opuntia engelmannii var. engelmannii	Cactaceae (Cactus)	Yellow
Prickly Pear, Tulip	Opuntia phaeacantha	Cactaceae (Cactus)	Yellow
Prickly Pear, Plains	Opuntia macrorhiza	Cactaceae (Cactus)	Yellow
Prickly Pear, Spiny Fruit	Opuntia spinosibacca	Cactaceae (Cactus)	Yellow
Prickly Pear, Sweet	Opuntia dulcis (Opuntia engelmanni var. dulcis, Opuntia lindheimeri var. dulcis)	Cactaceae (Cactus)	Yellow
Prickly Pear, Texas	Opuntia engelmannii var. linderheimeri (Opuntia lindheimeri)	Cactaceae (Cactus)	Yellow
Prickly Pear, Twisted-spine	Opuntia macrorhiza	Cactaceae (Cactus)	Yellow
Prickly Poppy, Chisos Mountain	Argemone chisosensis	Papaveraceae (Poppy)	White
Prickly Poppy, Crested	Argemone polyanthemos	Papaveraceae (Poppy)	White
Prickly Poppy, Hedgehog	Argemone squarrosa	Papaveraceae (Poppy)	White
Prickly Poppy, Mexican	Argemone mexicana	Papaveraceae (Poppy)	Yellow
Prickly Poppy, Texas	Argemone aurantiaca	Papaveraceae (Poppy)	White
Prickly Poppy, White	Argemone albiflora	Papaveraceae (Poppy)	White
Primrose, Lavender-leaf	Oenothera lavandulifolia (Calylophus lavandulifolius)	Onagraceae (Evening Primrose)	Yellow
Primrose, Square-bud	Oenothera berlandieri ssp. berlandieri (Calylophus drummondianus ssp. berlandieri) (Oenothera berlandieri ssp. pinifolia) (Calypholus berlandieri ssp. pinifolius)	Onagraceae (Evening Primrose	Yellow
Primrose, Water	Ludwigia octovalvis	Onagraceae (Evening Primrose	Yellow
Primrose-willow, Angle-stem	Ludwigia leptocarpa	Onagraceae (Evening Primrose)	Yellow
Primrose-willow, Mexican	Ludwigia octovalvis	Onagraceae (Evening Primrose)	Yellow
Propellerflower	Alophia drummondii	Iridaceae (Iris)	Purple
Puccoon, Fringed	Lithospermum incisum	Boraginaceae (Forget-me-not)	Yellow
Puff Balls	Marshallia caespitosa	Asteraceae (Sunflower)	White
Puffball	Mimosa strigillosa	Fabaceae (Pea)	Pink
Puff, Tropical	Neptunia pubescens	Fabaceae (Pea)	Yellow
Puff, Yellow	Neptunia lutea	Fabaceae (Pea)	Yellow
Puncture Vine	Tribulus terrestris	Zygophyllaceae (Caltrop)	Yellow
Pussyfoot	Dalea obovata (Petalostemum obovatum)	Fabaceae (Pea)	White
Pussytoes, Deceitful Pussytoes, Parlin's	Antennaria parlinii ssp. fallax	Asteraceae (Sunflower)	White
Pygmy-cudweed, Big-head	Diaperia prolifera (Evax prolifera)	Asteraeae (Sunflower)	White
Pygmy-cudweed, Spring	Diaperia verna (Evax verna)	Asteraeae (Sunflower)	White

Q-R

COMMON NAME	SCIENTIFIC NAME	FAMILY	COLOR
Queen's Delight	Stillingia sylvatica	Euphorbiaceae (Spurge)	Green
Queen's Delight	Stillingia texana	Euphorbiaceae (Spurge)	Green
Rabbit-tobacco	Pseudognaphalium obtusifolium	Asteraceae (Sunflower)	White
Rabbit-tobacco, Big-head	Diaperia prolifera (Evax prolifera)	Asteraeae (Sunflower)	White
Rabbit-tobacco, Jalisco	Pseudognaphalium jaliscense	Asteraceae (Sunflower)	White
Rabbit-tobacco, Spring	Diaperia verna (Evax verna)	Asteraeae (Sunflower)	White
Ragweed, Cuman	Ambrosia psilostachya	Asteraceae (Sunflower)	Yellow
Ragweed, False	Parthenium hysterophorus	Asteraceae (Sunflower)	White
Ragweed, Perennial	Ambrosia psilostachya	Asteraceae (Sunflower)	Yellow
Ragwort, Great Plains	Packera tampicana (Senecio tampicanus, Senecio imparipinnatus)	Asteraceae (Sunflower)	Yellow
Ragwort, Texas	Senecio ampullaceus	Asteraceae (Sunflower)	Yellow
Ragwort, Uinta	Packera millelobata (Senecio millelobatus)	Asteraceae (Sunflower)	Yellow
Rain-lily, Evening	Zephyranthes chlorosolen (Cooperia drummondii)	Amaryllidaceae (Amaryllis)	White
Rain-lily, Hill Country	Zephyranthes drummondii (Cooperia pedunculata)	Amaryllidaceae (Amaryllis)	White
Ratany, Littleleaf	Krameria erecta (Krameria glandulosa)	Krameriaceae (Krameria)	Red
Ratany, Trailing	Krameria lanceolata	Krameriaceae (Krameria)	Red
Ratany, White	Krameria grayi (Krameria bicolor)	Krameriaceae (Krameria)	Red
Rattlesnake Flower	Brazoria truncata var. truncata	Lamiaceae (Mint)	Pink
Rattlesnake Weed	Daucus pusillus	Apiaceae (Parsley)	White
Rattlesnake Weed	Euphorbia albomarginata	Euphorbiaceae (Spurge)	White
Redbay	Persea borboni	Lauraceae (Laurel)	White
Redbud	Menodora heterophylla	Oleaceae (Olive)	Yellow
Redbud Tree, Texas	Cercis canadensis var. texensis	Fabaceae (Pea)	Pink
Redcardinal	Erythrina herbacea	Fabaceae (Pea)	Red
Redroot, Prairie	Ceanothus herbaceus	Rhamnaceae (Buckthorn)	White
Redstem, Valley	Ammannia coccinea	Lythraceae (Loosestrife)	Pink
Reed, Giant	Arundo donax	Poaceae (Grass)	White
Resinweed	Viguiera stenoloba	Asteraceae (Sunflower)	Yellow
Resurrection Plant	Selaginella lepidophylla	Selaginellaceae (Spikemoss)	White
Retama	Parkinsonia aculeata	Fabaceae (Pea)	Yellow
Riddell's Dozedaisy Riddell's Lazydaisy	Aphanostephus riddellii	Asteraceae (Sunflower)	White
Ringstem, Big Bend	Anulocaulis eriosolenus	Nyctaginaceae (Four O'clock)	Pink
Rockcress, Brazos	Streptanthus petiolaris	Brassicaceae (Mustard)	White
Rockdaisy, Heartleaf	Perityle parryi	Asteraceae (Sunflower)	Yellow
Rockdaisy, Margined	Perityle vaseyi	Asteraceae (Sunflower)	Yellow
Rockdaisy, Parry's	Perityle parryi	Asteraceae (Sunflower)	Yellow
Rock-lettuce, White	Pinaropappus roseus	Asteraceae (Sunflower)	White
Rock-nettle	Eucnide bartonioides var. bartonioides	Loasaceae (Stickleaf)	Yellow
Rockrose	Helianthemum georgianum (Crocanthemum georgianum)	Cistaceae (Rock-rose)	Yellow
Rock Rose	Pavonia lasiopetala	Malvaceae (Mallow)	Pink
Rooseveltweed	Baccharis neglecta	Asteraceae (Sunflower)	White
Rose Heath	Chaetopappa ericoides	Asteraceae (Sunflower)	White
Rose, Macartney	Rosa bracteata	Rosaceae (Rose)	White
Rosemallow, Desert	Hibiscus coulteri	Malvaceae (Mallow)	Yellow
Rosemallow, Halberd-leaf	Hibiscus laevis (Hibiscus militaris)	Malvaceae (Mallow)	White
Rosemallow, Swamp	Hibiscus grandiflorus	Malvaceae (Mallow)	Pink
Rosinweed, Rough Rosinweed, Reverchon's Rosinweed, Simpson's	Silphium radula var. radula (Silphium simpsonii var. wrightii Silphium reverchonii)	Asteraceae (Sunflower)	Yellow
Rosinweed, Starry	Silphium asteriscus var. asteriscus	Asteraceae (Sunflower)	Yellow
Rosita	Zeltnera calycosa (Centaurium calycosum)	Gentianaceae (Gentian)	Pink
Rougeplant	Rivina humilis	Phytolaccaceae (Pokeweed)	Pink
Roving Sailor	Maurandella antirrhiniflora (Maurandya antirrhiniflora)	Plantaginaceae (Plantain)	Purple
Rue, Desert	Thamnosma texana	Rutaceae (Rue)	Yellow
Ruellia, Low	Ruellia humilis	Acanthaceae (Acantha)	Purple
Ruellia, Violet	Ruellia nudiflora	Acanthaceae (Acantha)	Purple
Rush-pea, Indian Rush-pea, Sickle-pod	Hoffmannseggia glauca	Fabaceae (Pea)	Yellow
Rustweed	Polypremum procumbens	Tetrachondraceae	White

S

COMMON NAME	SCIENTIFIC NAME	FAMILY	COLOR
Sacahuista	Nolina texana	Asparagaceae (Asparagus)	White
Sacred Thorn Apple	Datura wrightii	Solonaceae (Nightshade)	White
Sage, Autumn	Salvia greggii	Lamiaceae (Mint)	Red
Sage, Big Red	Salvia penstemonoides	Lamiaceae (Mint)	Red
Sage, Blue	Salvia azura	Lamiaceae (Mint)	Blue
Sage, Blue	Salvia texana	Lamiaceae (Mint)	Blue
Sage, Blood	Salvia coccinea	Lamiaceae (Mint)	Red
Sage, Cedar	Salvia roemeriana	Lamiaceae (Mint)	Red
Sage, Englemann's	Salvia engelmannii	Lamiaceae (Mint)	Blue
Sage, Lance-leaf	Salvia reflexa	Lamiaceae (Mint)	Blue
Sage, Lyre-leaf	Salvia lyrata	Lamiaceae (Mint)	Blue
Sage, Mealy Blue Sage, Mealycup	Salvia farinacea	Lamiaceae (Mint)	Blue
Sage, Mountain	Salvia regla	Lamiaceae (Mint)	Red
Sage, Pitcher	Salvia azura	Lamiaceae (Mint)	Blue
Sage, Shrubby Blue	Salvia ballotiflora	Lamiaceae (Mint)	Blue
Sage, Texas	Salvia texana	Lamiaceae (Mint)	Blue
Sage, Texas Purple	Leucophyllum frutescens	Scrophulariaceae (Figwort)	Purple
Sage, Tropical	Salvia coccinea	Lamiaceae (Mint)	Red
Sage, Wood	Teucrium canadense	Lamiaceae (Mint)	Pink
Sagebrush, White	Artemisia ludoviciana	Asteraceae (Sunflower)	Yellow
St. Andrews's Cross	Hypericum hypericoides (Ascyrum hypericoides)	Hypericaceae (St. John's Wort)	Yellow
St. Peter's Wort	Hypericum crux-andreae (Ascyrum stans)	Hypericaceae (St. John's Wort)	Yellow
Salsify, Yellow	Tragopogon dubius	Asteraceae (Sunflower)	Yellow
Salt Cedar	Tamarix ramosissima	Tamaricaceae (Tamarix)	Pink
Sand Bells	Nama hispida (Nama hispidum)	Boraginaceae (Forget-me-not)	Pink
Sand Brazoria	Brazoria arenaria	Lamiaceae (Mint)	Pink
Sanicle, Canada	Sanicula canadensis	Apiaceae (Parsley)	White
Sandmat, Whitemargined	Euphorbia albomarginata	Euphorbiaceae (Spurge)	White
Sandmat, Royal	Euphorbia indivisa (Chamaesyce dioica, Euphorbia dioica var. indivisa)	Euphorbiaceae (Spurge)	White
Sandwort	Minuartia drummondii (Arenaria drummondii Mononeuria nuttallii)	Caryophyllaceae (Pink)	White
Scrambled Eggs	Corydalis curvisiliqua	Papaveraceae (Poppy)	Yellow
Scratch-daisy, Slender	Croptilon divaricatum	Asteraceae (Sunflower)	Yellow
Scratch-daisy, Stiff-leaf	Croptilon rigidifolium (Croptilon divaricatum hirtellum)	Asteraceae (Sunflower)	Yellow
Scorpionweed, Pope's	Phacelia popei	Hydrophyllaceae (Waterleaf)	Blue
Scorpionweed, Skyblue	Phacelia coerulea (Phacerlia caerulea)	Hydrophyllaceae (Waterleaf)	Blue
Scorpionweed, Smooth	Phacelia glabra	Hydrophyllaceae (Waterleaf)	Blue
Scurf-pea, Tall-bread	Pediomelum cuspidatum (Psoralea cuspidata)	Fabaceae (Pea)	Blue/Purple
Sea-oxeye, Bushy	Borrichia frutescens	Asteraceae (Sunflower)	Yellow
Seaside Tansy, Bushy	Borrichia frutescens	Asteraceae (Sunflower)	Yellow
Sedge, Emory's	Carex emoryi	Cyperaceae (Sedge)	White
Sedge, White-top	Rhynchospora colorata (Dichromena colorata)	Cyperaceae (Sedge)	White
Selfheal, Common	Prunella vulgaris	Lamiaceae (Mint)	Purple
Senna, Durango	Senna durangensis (Cassia durangensis)	Fabaceae (Pea)	Yellow
Senna, Dwarf	Senna pumilio (Cassia pumilio)	Fabaceae (Pea)	Yellow
Senna, Twinleaf	Senna bauhinioides (Cassia bauhinioides)	Fabaceae (Pea)	Yellow
Senna, Two-leaf	Senna roemeriana (Cassia roemeriana)	Fabaceae (Pea)	Yellow
Senna, Velvet-leaf	Senna lindheimeriana (Cassia lindheimeriana)	Fabaceae (Pea)	Yellow
Sensitive-briar	Mimosa roemeriana	Fabaceae (Pea)	Pink
Sensitive-briar, Catclaw Sensitive-briar, Nuttall's	Mimosa nuttallii	Fabaceae (Pea)	Pink
Sensitive-briar, Puerto Rico	Mimisa pigra var. asperata (Mimosa pigra var. berlandieri, Mimosa asperata)	Fabaceae (Pea)	Pink
Sensitive-briar, Yellow	Neptunia lutea	Fabaceae (Pea)	Yellow
Sesbania, Bagpod	Sesbania vesicaria (Sesbania platycarpa)	Fabaceae (Pea)	Yellow
Sesbania, Bigpod	Sesbania herbacea (Sesbania macrocarpa)	Fabaceae (Pea)	Yellow
Shaggytuft, Early	Stenandrium barbatum	Acanthaceae (Acanthus)	Pink
Shepherd's-purse	Capsella bursa-pastoris	Brassicaceae (Mustard)	White
Shrubverbena, Trailing	Lantana montevidensis	Verbenaceae (Verbena)	Pink
Siamweed	Chromolaena odorata (Eupatorium odoratum)	Asteraceae (Sunflower)	Blue
Sida, Arrowleaf Scurfy	Malvella sagittifolia (Sida leprosa var. sagittifolia)	Malvaceae (Mallow)	White
Sida, Beaked	Rhynchosida physocalyx (Sida physocalyx)	Malvaceae (Mallow)	Yellow
Sida, Bladderpod	Rhynchosida physocalyx (Sida physocalyx)	Malvaceae (Mallow)	Yellow
Sida, Bracted	Sida ciliaris	Malvaceae (Mallow)	Red
Sida, New Mexico	Sida neomexicana	Malvaceae (Mallow)	Orange
Silene, Sleepy	Silene antirrhina	Caryophyllaceae (Pink)	Pink
Silkgrass, Narrowleaf	Pityopsis graminifolia var. latifolia	Asteraceae (Sunflower)	Yellow
Silktree	Albizia julibrissin	Fabaceae (Pea)	Pink
Silver Puff	Chaptalia texana	Asteraceae (Sunflower)	White
Skeleton Plant	Lygodesmia texana	Asteraceae (Sunflower)	Blue/Purple
Skullcap, Drummond's	Scutellaria drummondii	Lamiaceae (Mint)	Blue/Purple
Skullcap, Heartleaf	Scutellaria ovata	Lamiaceae (Mint)	Blue/Purple
Skyrocket	Ipomopsis aggregata	Polemoniaceae (Phlox)	Red
Skyrocket, Havard's	Ipomopsis havardii	Polemoniaceae (Phlox)	Pink
Skyrocket, White-flowered	Ipomopsis longiflora	Polemoniaceae (Phlox)	White
Sleepy-daisy, Drummond's	Xanthisma texanum var. drummondii	Asteraceae (Sunflower)	Yellow
Slipplejack, Littlefruit	Serjania brachycarpa	Sapindaceae (Soapberry)	White
Smartweed, Dotted	Persicaria punctata (Polygonum punctatum)	Polygonaceae (Buckwheat)	White
Smartweed, Pennsylvania	Persicaria pensylvanica (Polygonum pensylvanicum)	Polygonaceae (Buckwheat)	Pink
Smartweed, Swamp	Persicaria hydropiperoides (Polygonum hydropiperoides)	Polygonaceae (Buckwheat)	White
Smartweed, Water	Persicaria punctata (Polygonum punctatum)	Polygonaceae (Buckwheat)	White
Snake-cotton, Slender	Froelichia gracilis	Amaranthaceae (Amaranth)	White
Snakeherb, Spreading	Dyschoriste schiedeana var. decumbens (Dyschoriste decumbens)	Acanthaceae (Acanthus)	Purple
Snakeroot, Havana	Ageratina havanensis (Eupatorium havanense)	Asteraceae (Sunflower)	White
Snakeroot, Wright	Ageratina wrightii (Eupatorium wrightii)	Asteraceae (Sunflower)	White
Snapdragon, Climbing Snapdragon Vine	Maurandella antirrhiniflora (Maurandya antirrhiniflora)	Plantaginaceae (Plantain)	Purple
Snapdragon Vine	Epixiphium wislizeni (Maurandya wislizeni)	Plantaginaceae (Plantain)	Blue
Sneezeweed, Pretty	Helenium elegans	Asteraceae (Sunflower)	Yellow
Sneezeweed, Yellow	Helenium amarum var. amarum	Asteraceae (Sunflower)	Yellow
Sneezeweed, Yellow	Helenium amarum var. badium	Asteraceae (Sunflower)	Yellow
Snoutbean, Broadleaf	Rhynchosia latifolia	Fabaceae (Pea)	Yellow
Snoutbean, Prairie	Rhynchosia latifolia	Fabaceae (Pea)	Yellow
Snow-on-the-mountain	Euphorbia marginata	Euphorbiaceae (Spurge)	White
Soapbush	Guaiacum angustifolium (Porlieria angustifolia)	Zygophyllaceae (Caltrop)	Purple
Sorrel, Heartwing	Rumex hastatulus	Polygonaceae (Buckwheat)	White/Green
Sotol Sotol, Green	Dasylirion leiophyllum	Asparagaceae (Asparagus)	Yellow
Sow-thistle, Common	Sonchus oleraceus	Asteraceae (Sunflower)	Yellow
Sow-thistle, Spiney	Sonchus asper	Asteraceae (Sunflower)	Yellow
Spanish Gold	Grindelia ciliata (Grindelia papposa Prionopsis ciliata)	Asteraceae (Sunflower)	Yellow
Sparkleberry	Vaccinium arboreum	Ericaceae (Heath)	White
Spectacle Pod, Palmer's	Dimorphocarpa wizlizeni (Dithyrea wislizeni var. palmeri)	Brassicaceae (Mustard)	White
Speedwell, Bird-eye	Veronica persica	Plantaginaceae (Plantain)	Blue
Speedwell, Water	Veronica anagallis-aquatica	Plantaginaceae (Plantain)	Blue
Speedwell, Winter	Veronica persica	Plantaginaceae (Plantain)	Blue
Spiderlily, Spring	Hymenocallis liriosme	Amaryllidaceae (Amaryllis)	White
Spiderling, Scarlet	Boerhavia coccinea	Nyctaginaceae (Four O'clock)	Pink
Spiderling, Slim-stalk	Boerhavia gracillima	Nyctaginaceae (Four O'clock)	Red
Spiderling, Narrow-leaf	Boerhavia linearifolia	Nyctaginaceae (Four O'clock)	Pink
Spiderwort, Edwards Plateau	Tradescantia pedicellata	Commelinaceae (Spiderwort)	Blue/Purple
Spiderwort, Giant	Tradescantia gigantea	Commelinaceae (Spiderwort)	Blue/Purple
Spiderwort, Granite	Tradescantia pedicellata	Commelinaceae (Spiderwort)	Blue/Purple
Spiderwort, Hairy-flower	Tradescantia hirsutiflora	Commelinaceae (Spiderwort)	Blue/Purple
Spiderwort, Prairie	Tradescantia occidentalis	Commelinaceae (Spiderwort)	Blue/Purple
Spiderwort, Stemless	Tradescantia subacaulis (Tradescantia texana)	Commelinaceae (Spiderwort)	Blue/Purple
Spiderwort, Texas	Tradescantia humilis	Commelinaceae (Spiderwort)	Blue
Spreading Fanpetals	Sida abutifolia	Malvaceae (Mallow)	Yellow
Spurge, Beetle	Euphorbia eriantha	Euphorbiaceae (Spurge)	White
Spurge, Flowering	Euphorbia corollata	Euphorbiaceae (Spurge)	White
Spurge, Toothed	Euphorbia dentata	Euphorbiaceae (Spurge)	White
Spurge, Woolly-flower	Euphorbia eriantha	Euphorbiaceae (Spurge)	White
Squawfeather	Castilleja integra	Orobanchaceae (Broomrape)	Red
Standing Cypress	Ipomopsis rubra	Polemoniaceae (Phlox)	Red
Star-thistle, American	Plectocephalus americanus (Centaurea americana)	Asteraceae (Sunflower)	Purple
Star-thistle, Maltese	Centaurea melitensis	Asteraceae (Sunflower)	Yellow
Stemodia, Woolly	Stemodia lanata	Plantaginaceae (Plantain)	Purple
Stenandrium, Shaggy	Stenandrium barbatum	Acanthaceae (Acanthus)	Pink
Stickleaf	Mentzelia oligosperma	Loasaceae (Loasa)	Yellow
Stickleaf, Prairie	Mentzelia reverchonii	Loasaceae (Loasa)	Yellow
Stickywilly	Galium aparine	Rubiaceae (Madder)	White
Stingbush, Yellow	Eucnide bartonioides var. bartonioides	Loasaceae (Stickleaf)	Yellow
Stinging Serpent	Cevallia sinuata	Loasaceae (Stickleaf)	Yellow
Stinkweed, Chiricahua Mountain	Cleomella longipes	Cleomaceae (Cleome)	Yellow
Stitchwort, Dixie	Minuartia muscorum (Arenaria patula var. robusta Mononeuria muscorum)	Caryophyllaceae (Pink)	White
Stitchwort, Drummond's	Minuartia drummondii (Arenaria drummondii Mononeuria nuttallii)	Caryophyllaceae (Pink)	White
Stonecrop, Ditch	Penthorum sedoides	Penthoraceae (Ditch Stonecrop)	Green
Stonecrop, Yellow	Sedum nuttallii (Sedum nuttallianum)	Crassulaceae (Stonecrop)	Yellow
Stoneseed, Rough	Lithospermum matamorense	Boraginaceae (Forget-Me-Not)	White
Stork's Bill, Redstem	Erodium cicutarium	Geraniaceae (Geranium)	Pink
Stork's Bill, Texas	Erodium texanum	Geraniaceae (Geranium)	Purple
Sulphur Shelf	Laetiporus sulphureus	Polyporaceae (Bracket Fungi)
Sumac, Desert	Rhus microphylla	Anacardiaceae (Cashew)	White
Sumac, Littleleaf	Rhus microphylla	Anacardiaceae (Cashew)	White
Sumpweed	Iva annua	Asteraceae (Sunflower)	Green
Sundrops, Berlandieri's	Oenothera berlandieri ssp. berlandieri (Calylophus drummondianus ssp. berlandieri) (Oenothera berlandieri ssp. pinifolia) (Calylpholus berlandieri ssp. pinifolius)	Onagraceae (Evening Primrose)	Yellow
Sundrops, Hartweg's	Oenothera hartwegii (Calylpholus hartwegii)	Onagraceae (Evening Primrose)	Yellow
Sundrops, Lavender-leaf	Oenothera lavandulifolia (Calylophus lavandulifolius)	Onagraceae (Evening Primrose)	Yellow
Sundrops, Texas	Oenothera tubicula (Calylpholus tubicula)	Onagraceae (Evening Primrose)	Yellow
Sundrops, Yellow	Oenothera serrulata (Calylpholus serrulatus)	Onagraceae (Evening Primrose)	Yellow
Sunflower Sunflower, Common	Helianthus annuus	Asteraceae (Sunflower)	Yellow
Sunflower, Goldeneye	Viguiera dentata	Asteraceae (Sunflower)	Yellow
Sunflower, Maximilian	Helianthus maximiliani	Asteraceae (Sunflower)	Yellow
Sunflower, Narrowleaf	Helianthus angustifolius	Asteraceae (Sunflower)	Yellow
Sunflower, Silver-leaf	Helianthus argophyllus	Asteraceae (Sunflower)	Yellow
Sunflower, Swamp	Helianthus angustifolius	Asteraceae (Sunflower)	Yellow
Swallow-wort, Bearded	Metastelma barbigerum (Cynachum barbigerum)	Apocynaceae (Dogbane)	White
Swamp Lily, Hardy	Crinum bulbispermum	Amaryllidaceae (Amaryllis)	White
Sweetscent	Pluchea odorata	Asteraceae (Sunflower)	>Purple

T

COMMON NAME	SCIENTIFIC NAME	FAMILY	COLOR
Tansyaster, Chihuahua	Xanthisma spinulosum var. chihuahuanum (Machaeranthera pinnatifida var. chihuahuana)	Asteraceae (Sunflower)	Yellow
Tansyaster, Lacy	Xanthisma spinulosum var. spinulosum (Machaeranthera texensis)	Asteraceae (Sunflower)	Yellow
Tansyaster, New Mexico	Psilactis asteroides (Machaeranthera boltoniae)	Asteraceae (Sunflower)	Purple
Tansymustard, Western	Descurania pinnata	Brassicaceae (Mustard)	Yellow
Tatalencho	Gymnosperma glutinosum (Xanthocephalum glutinosum)	Asteraceae (Sunflower)	Yellow
Tea, Jersey	Ceanothus herbaceus	Rhamnaceae (Buckthorn)	White
Teucrium, Desert	Teucrium depressum (Teucrium cubense ssp. depressum, Teucrium cubense var. densum)	Lamiaceae (Mint)	White
Texas Plume	Bauhinia lunarioides	Fabaceae (Pea)	White
Texas Plume	Ipomopsis rubra	Polemoniaceae (Phlox)	Red
Texas Star Texas Yellowstar	Lindheimera texana	Asteraceae (Sunflower)	Yellow
Texas Star	Sabatia campestris	Gentianaceae (Gentian)	Pink
Texas Toothleaf	Stillingia texana	Euphorbiaceae (Spurge)	Green
Thistle, American Star	Plectocephalus americanus (Centaurea americana)	Asteraceae (Sunflower)	Purple
Thistle, Bristle	Cirsium horridulum	Asteraceae (Sunflower)	Yellow
Thistle, Russian	Salsola tragus	Amaranthaceae (Amaranth)	White
Thistle, Texas	Cirsium texanum	Asteraceae (Sunflower)	Pink
Thistle, Yellow	Cirsium horridulum	Asteraceae (Sunflower)	Yellow
Thoroughwort, Late-flowering	Eupatorium serotinum	Asteraceae (Sunflower)	White
Thoroughwort, Palmleaf	Conoclinium dissectum (Conoclinium greggii) (Eupatorium greggii)	Asteraceae (Sunflower)	Blue
Tickclover, Hairy Small-leaf Tickclover, Littleleaf	Desmodium ciliare	Fabaceae (Pea)	Pink
Tickclover, Panicled	Desmodium paniculatum	Fabaceae (Pea)	Pink
Tickseed, Crown	Coreopsis nuecensis	Asteraceae (Sunflower)	Yellow
Tickseed, Coastal Plain	Coreopsis gladiata (Coreopsis linifolia)	Asteraceae (Sunflower)	Yellow
Tickseed, Goldenmane	Coreopsis basalis	Asteraceae (Sunflower)	Yellow
Tickseed, Lance-leaf	Coreopsis lanceolata	Asteraceae (Sunflower)	Yellow
Tickseed, Texas	Coreopsis gladiata (Coreopsis linifolia)	Asteraceae (Sunflower)	Yellow
Tickclover	Desmodium incanum (Desmodium canum)	Fabaceae (Pea)	Pink
Ticktrefoil, Dillenius'	Desmodium glabellum	Fabaceae (Pea)	Pink
Ticktrefoil, Panicled Ticktrefoil, Panicledleaf	Desmodium paniculatum	Fabaceae (Pea)	Pink
Ticktrefoil, Tweedy's	Desmodium tweedyi	Fabaceae (Pea)	White
Tidestromia, Woolly	Tidestromia lanuginosa	Amaranthaceae (Amaranth)	Yellow
Tievine	Ipomoea cordatotriloba (Ipomoea trichocarpa)	Convolvulaceae (Morning Glory)	Purple
~~Toadflax, Blue~~	Nuttallanthus canadensis (Linaria canadensis)	Plantaginaceae (Plantain)	~~Purple~~
~~Toadflax, Old-field~~	Nuttallanthus canadensis (Linaria canadensis)	Plantaginaceae (Plantain)	~~Purple~~
Toadflax, Texas	Nuttallanthus texanus (Linaria texana)	Plantaginaceae (Plantain)	Purple
Tobacco, Desert	Nicotiana obtusifolia	Solanaceae (Nightshade)	White
Tobacco, Fiddleleaf	Nicotiana repanda	Solanaceae (Nightshade)	White
Tobacco, Tree	Nicotiana glauca	Solanaceae (Nightshade)	Yellow
Tocalote	Centaurea melitensis	Asteraceae (Sunflower)	Yellow
Trumpet Creeper	Campsis radicans	Bignoniaceae (Trumpet-creeper)	Red
Trumpetflower, Evening	Gelsemium sempervirens	Loganiaceae (Logania)	Yellow
Trumpets, Angel's	Acleisanthes longiflora	Nyctaginaceae (Four O’clock)	White
Trumpets, Wright's	Acleisanthes wrightii	Nyctaginaceae (Four O’clock)	White
Trumpets, Yellow	Sarracenia alata	Sarraceniaceae (Pitcher Plant)	Yellow
Tube-tongue Tube-tongue, Gregg's	Justicia pilosella (Siphonoglossa pilosella)	Acanthaceae (Acanthus)	Purple
Tumbleweed	Salsola tragus	Amaranthaceae (Amaranth)	White
Turk's Cap	Malvaviscus arboreus var. drummondii	Malvaceae (Mallow)	Red
Turtleback, Naked	Psathyrotopis scaposa	Asteraceae (Sunflower)	White
Twinevine, Fringed	Funastrum cynanchoides var. cynanchoides Sarcostemma cynanchoides ssp. cynanchoides	Apocynaceae (Dogbane)	White
Twintip, Coahuila	Stemodia coahuilensis (Leucospora coahuilensis)	Plantaginaceae (Plantain)	Purple
Twintip, Gray Woolly	Stemodia lanata	Plantaginaceae (Plantain)	>Purple

V

COMMON NAME	SCIENTIFIC NAME	FAMILY	COLOR
Velvetweed	Oenothera curtiflora (Gaura parviflora)	Onagraceae (Evening Primrose)	Pink
Vente Conmigo	Croton glandulosus var. pubentissima	Euphorbiaceae (Spurge)	White
Venus Looking-glass, Clasping-leaf	Triodanis perfoliata ssp. perfoliata	Campanulaceae (Bellflower)	Purple
Verbena, Low	Glandularia pumila (Verbena pumila)	Verbenaceae (Verbena)	Purple
Verbena, Desert	Glandularia bipinnatifida var. ciliata (Glandularia wrightii) (Verbena wrightii)	Verbenaceae (Verbena)	Purple
Verbena, New Mexico	Verbena neomexicana var. hirtella	Verbenaceae (Verbena)	Purple
Verbena, Prairie	Glandularia bipinnatifida var. bipinnatifida (Verbena bipinnatifida)	Verbenaceae (Verbena)	Purple
Verbena, Rose	Glandularia canadensis	Verbenaceae (Verbena)	Purple
Verbena, Slender	Verbena halei	Verbenaceae (Verbena)	Purple
Verbena, Texas	Verbena halei	Verbenaceae (Verbena)	Purple
Vervain, Beaked Mock	Glandularia quadrangulata (Verbena quadrangulata)	Verbenaceae (Verbena)	White
Vervain, Brazilian	Verbena brasiliensis	Verbenaceae (Verbena)	Purple
Vervain, Dakota Mock	Glandularia bipinnatifida var. bipinnatifida (Verbena bipinnatifida)	Verbenaceae (Verbena)	Purple
Vervain, Davis Mountains Mock	Glandularia bipinnatifida var. ciliata (Glandularia wrightii) (Verbena wrightii)	Verbenaceae (Verbena)	Purple
Vervain, Fantail	Verbena plicata	Verbenaceae (Verbena)	Purple
Vervain, Gray	Verbena canescens	Verbenaceae (Verbena)	Purple
Vervain, Gulf	Verbena xutha	Verbenaceae (Verbena)	Purple
Vervain, Hillside	Verbena neomexicana var. hirtella	Verbenaceae (Verbena)	Purple
Vervain, Pink Mock	Glandularia pumila (Verbena pumila)	Verbenaceae (Verbena)	Purple
Vervain, Rose Mock	Glandularia canadensis	Verbenaceae (Verbena)	Purple
Vervain, Slender	Verbena rigida	Verbenaceae (Verbena)	Purple
Vervain, Texas	Verbena halei	Verbenaceae (Verbena)	Purple
Vervain, Tuberous	Verbena rigida	Verbenaceae (Verbena)	Purple
Vetch, Carolina	Vicia caroliniana	Fabaceae (Pea	White
Vetch, Hairy	Vicia hirsuta	Fabaceae (Pea	White
Vetch, Hairy	Vicia villosa	Fabaceae (Pea	Purple
Vetch, Deer Pea Vetch, Louisiana	Vicia ludoviciana	Fabaceae (Pea)	Purple
Vetch, Tiny	Vicia hirsuta	Fabaceae (Pea	White
Vetch, Winter	Vicia villosa	Fabaceae (Pea	Purple
Vetch, Wood	Vicia caroliniana	Fabaceae (Pea	White
Viburnum, Rusty	Viburnum rufidulum	Adoxaceae (Moschatel)	White
Viperina	Zornia bracteata	Fabaceae (Buttercup)	Yellow
Violet, Common Blue	Viola sororia	Violaceae (Violet)	Purple
Violet, Early Blue	Viola palmata	Violaceae (Violet)	Purple
Violet, Hooded Blue	Viola sororia	Violaceae (Violet)	Purple
Violet, Triple-lobe	Viola palmata	Violaceae (Violet)	Purple
Violet, Missouri	Viola missouriensis	Violaceae (Violet)	Purple
Virgin's-bower, Sweet Autumn	Clematis terniflora (Clematis dioscoreifolia)	Ranunculaceae (Buttercup)	White

W

COMMON NAME	SCIENTIFIC NAME	FAMILY	COLOR
Wafer Ash	Ptelea trifoliata	Rutaceae (Rue)	White
Water-willow, American	Justicia americana	Acanthaceae (Acanthus)	White
Water-willow, Runyon's	Justicia runyonii (Justicia pacifica)	Acanthaceae (Acanthus)	Purple
Wattle, Schott's	Vachellia schottii (Acacia schottii)	Fabaceae (Pea)	Yellow
Wedelia, Hairy	Wedelia acapulcensis var. hispida (Zexmenia hispida) (Wedelia hispida)	Asteraceae (Sunflower)	Yellow
Whitebrush	Aloysia gratissima var. gratissima	Verbenaceae (Verbena)	White
Whitebrush	Aloysia gratissima var. schulziae	Verbenaceae (Verbena)	White
Whitenymph	Trepocarpus aethusae	Apiaceae (Parsley)	White
Whitetop, Narrow-leaf Whitetop, Starrush	Rhynchospora colorata (Dichromena colorata)	Cyperaceae (Sedge)	White
Widow's Tears	Commelina erecta	Commelinaceae (Spiderwort)	Blue
Willow, Desert	Chilopsis linearis	Bignoniaceae (Trumpet-creeper)	Purple
Windflower	Anemone berlandieri (Anemone heterophylla)	Ranunculaceae (Buttercup)	White
Windmills, Annual	Allionia choisyi	Nyctaginaceae (Four O'clock)	Pink
Windmills, Trailing	Allionia incarnata	Nyctaginaceae (Four O'clock)	Pink
Winecup	Callirhoe involucrata var. involucrata	Malvaceae (Mallow)	Pink
Winecup, White	Callirhoe involucrata var. lineariloba	Malvaceae (Mallow)	White
Wirelettuce, Brown-plume	Stephanomeria pauciflora	Asteraceae (Sunflower)	Pink
Wirelettuce, Few-flower	Stephanomeria pauciflora	Asteraceae (Sunflower)	Pink
Wisteria, American Wisteria, Texas	Wisteria frutescens	Fabaceae (Pea)	Purple
Woodsorrel, Drummond's	Oxalis drummondii	Oxalidaceae (Wood Sorrel)	Pink
Woodsorrel, Pink	Oxalis debilis	Oxalidaceae (Wood Sorrel)	Pink
Woodsorrel, Yellow	Oxalis dillenii	Oxalidaceae (Wood Sorrel)	Yellow
Woodyaster, Big Bend	Xylorhiza wrightii (Machaeranthera wrightii)	Asteraceae (Sunflower)	Purple
Woollygrass, Low	Dasyochloa pulchella	Poaceae (Grass)	White
Woollywhite, Carolina	Hymenopappus scabiosaeus var. corymbosus	Asteraceae (Sunflower)	White
Woollywhite, Chalk Hill	Hymenopappus tenuifolius	Asteraceae (Sunflower)	White
Wormwood, Silver	Artemisia ludoviciana	Asteraceae (Sunflower)	Yellow

Y-Z

COMMON NAME	SCIENTIFIC NAME	FAMILY	COLOR
Yam, Wild	Dioscorea villosa	Dioscoraceae (Yam)	White
Yarrow	Achillea millefolium	Asteraceae (Sunflower)	White
Yaupon	Ilex vomitoria	Aquifoliaceae (Holly)	White
Yellow Bells	Tecoma stans	Bignoniaceae (Trumpet-creeper)	Yellow
Yerba Raton	Bahia absinthifolia	Asteraceae (Sunflower)	Yellow
Yucca, Beaked	Yucca thompsoniana	Asparagaceae (Asparagus)	White
Yucca, Arkansas	Yucca arkansana	Asparagaceae (Asparagus)	White
Yucca, Buckley's	Yucca constricta	Asparagaceae (Asparagus)	White
Yucca, Faxon Yucca, Giant Dagger	Yucca faxonia	Asparagaceae (Asparagus)	White
Yucca, Red Yucca, Redflower False	Hesperaloe parviflora	Asparagaceae (Asparagus)	Red
Yucca, Soaptree	Yucca elata	Asparagaceae (Asparagus)	White
Yucca, Spanish Dagger	Yucca treculeana (Yucca torreyi)	Asparagaceae (Asparagus)	White
Yucca, Texas	Yucca rupicola	Asparagaceae (Asparagus)	White
Yucca, Thompson	Yucca thompsoniana	Asparagaceae (Asparagus)	White
Yucca, Twisted-leaf	Yucca rupicola	Asparagaceae (Asparagus)	White
Zexmenia	Wedelia acapulcensis var. hispida (Zexmenia hispida) (Wedelia hispida)	Asteraceae (Sunflower)	Yellow
Zinnia, Desert Zinnia, Dwarf	Zinnia acerosa	Asteraceae (Sunflower)	White
Zinnia, Plains	Zinnia grandiflora	Asteraceae (Sunflower)	Yellow
Zinnia, Short-ray	Zinnia anomala	Asteraceae (Sunflower)	Orange
Zinnia, Texas	Zinnia grandiflora	Asteraceae (Sunflower)	Yellow

Banner photo of Castilleja indivisa and Lupinus ssp. taken along FM 1323 north of Johnson City, Blanco County

© Tom Lebsack 2025

Every attempt is made to provide accurate, up-to-date, and relevant information, but the completeness or accuracy of any information presented on this website cannot be guaranteed. I use authoritative references to insure high standards of accuracy and review and update the information frequently.