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| Common Name | Scientific Name | Bloom Months |
| Asterisk (*) after the Common Name indicates this species was planted in the Butterfly Garden and not found wild in the Nature Center. | ||
| Acanthaceae (Acanthus Family) | ||
| Flame Acanthus* | Anisacanthus wrightii | 6-7 |
| Snake-Herb | Dyschoriste linearis | 5-6 |
| American Water-Willow | Justicia americana | 4-10 |
| Low Petunia | Ruellia humilis | 6-9 |
| Common Wild Petunia | Ruellia metzee | 4-10 |
| Common Wild Petnuia | Ruellia nudiflora | 4-10 |
| Tube Tongue | Justicia piloselle | 4-10 |
| Amaranthaceae (Pigweed Family) | ||
| Snake-Cotton | Froelicia gracilis | 4-11 |
| Anacardiaceae (Sumac Family) | ||
| Fragrant Sumac | Rhus aromatica | 3-4 |
| Flameleaf Sumac | Rhus lanceolata | |
| Apiaceae (Parsley Family) | ||
| Wild Carrot, Rattlesnakeweed | Dacus pusillus | 4-6 |
| Daucosma* | Daucosma lacinatum | 6-7 |
| Water Pennywort | Hydrocolyle umbellata | 4-10 |
| Texas Parsley | Polytaenia texana | 4-5 |
| Beggar's Ticks, Hedge-Parsley | Torilis arvensis | 4-7 |
| Apocynaceae (Dogbane Family) | ||
| Common Periwinkle | Vinca minor | 4-5 |
| Aristilochiaceae (Pipevine Family) | ||
| Swanflower | Aristolochia longiflora | 3-11 |
| Asclepiadaceae (Milkweed Family) | ||
| Antelope-Horns | Aslcepias asperula | 3-5 |
| Texas Milkweed* | Asclepias texana | 5-7 |
| Butterfly Milkweed* | Asclepias tuberosa | 5-9 |
| Wand Milkweed | Asclepias viridiflora | 6-8 |
| Green Milkweed Vine, Pearl Milkweed | Matelea reticulata | 4-9 |
| Climbing Milkvine | Sarcostemma cynanchoides | 5-9 |
| Asteraceae (Aster Family) | ||
| Yarrow | Achillea milleflorum | |
| Lazy Daisy | Aphanostephus skirrhobasis | |
| White Aster | Aster ericoides | 10-11 |
| Spread-leaf Aster | Aster patens | 9-10 |
| Tall Aster | Aster praealtus | |
| Broad-leaved Aster | Aster sagittifolius | |
| Texas Aster | Aster texanus | 9-11 |
| Giant Ragweed | Ambrosia trifida | 9-10 |
| Roosevelt Weed, Poverty Weed | Baccharis neglecta | 9-10 |
| Texas Green-eyes | Berlandiera texana | 5-6 |
| Devil's Beggar's Ticks | Bidens frondosa | |
| Wild Golden Glow | Bidens laevis | 7-11 |
| Brickell-Bush | Brickellia cylindracae | 9-11 |
| Straggler Daisy | Calyptocarpus vialis | 4-11 |
| Musk-Thistle | Carduus nutans | 5-7 |
| Dwarf White Aster | Chaetopappa bellidifolia | 4-7 |
| Texas Thistle | Cirsium texanum | 4-7 |
| Golden Wave, Plains Coreopsis | Coreopsis tinctoria | 4-6 |
| Parralena | Dyssodia pentachaeta | Sp-F |
| Purple Prairie Coneflower | Echinacea pallida | 5-6 |
| False Daisy | Eclipta prostrata | 4-11 |
| Engelmann Daisy | Engelmannia pinnatifida | 3-7 |
| Philadelphia Fleabane | Erigeron philadelphicus | 3-5 |
| Blue Mist-Flower | Eupatorium coelestinum | 7-10 |
| Thoroughwort* | Eupatorium havanence | 5-11 |
| White Boneset | Eupatorium serotinum | 8-10 |
| Firewheel, Indian Blanket | Gaillardia pulchella | 4-6 |
| Pincushion Daisy | Gaillardia suavis | 3-5 |
| Gumweed | Grindelia microcephala | 4-8 |
| Yellow Bitterweed | Helenium amarum | 4- 11 |
| Puple-head Sneezeweed | Helenium flexuosum | |
| Common Sunflower | Helianthus annuus | 5-10 |
| Maximillian Sunflower | Helianthus maximilliani | 9-10 |
| Gray Golden Aster | Heterotheca canescens | 7-9 |
| Camphor Weed | Heterotheca latifolia | 5-10 |
| Old Plainsman, Woolly-White | Hymenopappus scabiosaeus | 4-6 |
| Slender-Leaf Hymenoxys | Hymenoxys linearifolia | 3-6 |
| Slender-Stem Bitterweed | Hymenoxys scaposa | 3-10 |
| Wild Lettuce | Lactuca canadensis | 5-8 |
| Gayfeather | Liatris mucronata | 8-10 |
| Skeleton Plant | Lygodesmia texana | 4-8 |
| Palafoxia | Palafoxia callosa | 6-11 |
| White Rock-Lettuce | Pinaropappus roseus | 4-5 |
| Marsh Fleabane | Pluchea purpurascens | 8-10 |
| Texas Dandelion | Pyrrhopappus multicaulis | 3-6 |
| Mexican Hat | Ratibida columnaris | 4-7 |
| Brown-eyed Susan | Rudbeckia hirta | 4-7 |
| Roughstem Rosinweed | Silphium radula | |
| Simsia* | Simsia calve | 4-10 |
| Tall Goldenrod | Solidago altissima | 9-10 |
| Prairie Goldenrod | Solidago nemoralis | 9-10 |
| Sow Thistle | Sonchus (sp.) | 1-12 |
| Common Dandelion | Taraxacum officinale | 1-12 |
| Greenthread | Thelesperma fillifoloium | 4-5 |
| Navajo Tea | Thelesperma simplicifolium | 5-11 |
| Cowpen Daisy* | Verbesina encelioides | 4-10 |
| Frostweed | Verbesina virginica | 8-11 |
| Western Ironweed | Vernonia baldwinii | 6 -9 |
| Woolly Ironweed | Vernonia lindheimeri | 6-9 |
| Zexmenia | Wedelia hispida | 5-9 |
| Sleepy-Daisy | Xanthisma texanum | 5-9 |
| Cocklebur | Xanthium strumarium | 8-10 |
| Broomweed | Xanthocephalum dracunculoides | 7-11 |
| Berberidaceae (Barberry Family) | ||
| Agarita | Berberis trifoliata | 2-4 |
| Boraginaceae (Borage Family) | ||
| Puccoon | Lithospermum incisum | 3-5 |
| Brassicaceae (Mustard Family) | ||
| Whitlow-Grass | Draba cuneifolia | 2-4 |
| Peppergrass | Lepidium virginicum | 3-5 |
| Silver Bladderpod | Lesquerella argyraea | 3-5 |
| Low Bladderpod | Lesquerella densiflora | 3-5 |
| Watercress | Rorippa nasturtium-aquaticum | 3-10 |
| Cactaceae (Cactus Family) | ||
| Nipple Cactus | Coryphantha sulcata | Sp |
| Horse Crippler Cactus (Devil's Head) | Echinocactus texensis | 3-5 |
| Engelmann's Prickly Pear | Opuntia engelmanni | Sp |
| Tuberous Prickly Pear | Opuntia macrorhiza | Sp |
| Campanulaceae (Bluebell Family) | ||
| Cardinal Flower | Lobelia cardinalis | 6-9 |
| Venus' Looking Glass | Triodanis perfoliata | 4-5 |
| Capparidaceae (Caper Family) | ||
| Clammy-Weed | Polanisia dodecandra | 5-7 |
| Caprifoliaceae (Honeysuckle Family) | ||
| Janpanese Honeysuckle | Lonicera japonica | 3-10 |
| Texas Honeysuckle, White Honeysuckle | Lonicera albiflora | 4 |
| Elderberry | Sambucus canadensis | 5-7 |
| Rusty Blackhaw | Viburnum rufidulum | 3-5 |
| Caryophyllaceae (Pink Family) | ||
| Chickweed | Stellaria media | 1-5 |
| Cistaceae (Rockrose Family) | ||
| Rockrose | Helianthemum georgianum | 4-5 |
| Commelinaceae (Spiderwort Family) | ||
| Widow's Tears, Day Flower | Commelina erecta | 5-10 |
| Convolvulaceae (Morning Glory Family) | ||
| Texas Bindweed | Convolvulus equitans | 4-10 |
| White Evolvulus | Evolvulus sericeus | 4-7 |
| Lindheimer's Morning Glory | Ipomoea lindheimeri | 4-10 |
| Purple Bindweed | Ipomoea trichocarpa | 4-10 |
| Cornaceae (Dogwood Family) | ||
| Rough-leaf Dogwood | Cornus drummondii | 4-5 |
| Cucurbitaceae (Gourd Family) | ||
| Buffalo Gourd, Stinking Gourd | Cucurbita foetidissima | 5-9 |
| Meloncito | Melothria pendula | 4-9 |
| Cyperaceae (Sedge Family) | ||
| Whitetopped Sedge | Rhynchospora colorata | Sp-Su |
| Euphorbiaceae (Spurge Family) | ||
| Poinsettia | Euphorbia athophora | 6-10 |
| Snow-on-the-Mountain | Euphorbia marginata | 7-10 |
| Queen's Delight | Stillingia texana | 4-9 |
| Bull Nettle | Cnidoscolus texanus | 4-9 |
| Woolly Croton, Hogwort | Croton capotatus | |
| One-seeded Croton | Croton monanthogynus | |
| Three-seeded Mercury | Acalypha lindheimeri | 4-11 |
| Hop Hornbeam Copperleaf | Acalypha ostryfolia | 5-10 |
| Fabaceae (Legume Family) | ||
| Ground Plum | Astagulus crassicarpus | 3-4 |
| Partridge Pea | Cassia fasciculata | 5-11 |
| Lindheimer's Senna | Cassia senna | 9-11 |
| Butterfly Pea | Centrosema virginianum | 3-11 |
| Texas Redbud | Cercis canadensis | 3-4 |
| Pigeonwings | Clitoria mariana | 5-9 |
| Golden Dalea | Dalea aurea | 6-7 |
| Purple Prairie Clover | Dalea compacta | 5-7 |
| Dwarf Dalea | Dalea nana | 4-7 |
| Illinois Bundleflower | Desmanthus illinoiensis | 5-6 |
| Velvet Bundleflower | Desmanthus velutinus | 5-9 |
| Sessile-leaf Tickclover | Desmodium sessilifolium | 5-9 |
| Tweedy's Tickclover | Desmodium tweedyi | 6-9 |
| Scarlet Pea | Indigofera miniata | 4-10 |
| Tall Bush Clover | Lespedeza stuevei | |
| Sandyland Bluebonnet | Lupinus subcamosus | 3-4 |
| Texas Bluebonnet | Lupinus texensis | 3-5 |
| White Sweet Clover | Melilotus albus | 5-9 |
| Yellow Sweet Clover | Melilotus officinalis | |
| Pink Mimosa | Mimosa borealis | 3-5 |
| White Prairie Clover | Petalostemmum multiflorum | 6-7 |
| Purple Prairie Clover | Petalostemmum pulcherrimum | 5-7 |
| Indian Turnip | Psoralea cuspidata | 4-5 |
| Brown-flowered Psoralea | Psoralea rhombifolia | 5-6 |
| Texas Snoutbean | Rhynchosia senna texana | 6-9 |
| Sensitive Briar | Schrankia (sp.). | 4-7 |
| Rattlebush | Sesbania drummondii | 5-10 |
| Eve's Necklace | Sophora affinis | 3-5 |
| Deer Pea Vetch | Vicia ludoviciana | 3-5 |
| Spring Vetch | Vicia sativa | 4-6 |
| Viperina | Zomia bracteata | 4-6 |
| Fumariaceae (Fumitory Family) | ||
| Scrambled Eggs | Corydalis curvisiliqua | 2-4 |
| Gentianaceae (Gentian Family) | ||
| Mountain Pink | Centaurium beyrichii | 5-7 |
| Lady Bird's Centaury | Centaurium texense | 5-7 |
| Bluebell Gentian | Eustoma grandiflorum | 6-10 |
| Geraniaceae (Geranium Family) | ||
| Rose Gentian | Sabatia campestris | 4-6 |
| Pin Clover | Erodium cicutarium | 2-5 |
| Wild Geranium | Germanium carolinianum | 3-5 |
| Hydrophyllaceae (Waterleaf Family) | ||
| Sand Bells | Nama hispidum | 4-7 |
| Blue-Curls | Phacelia congesta | 3-5 |
| Iridaceae (Iris Family) | ||
| Blue-eyed Grass | Sisyrinchium ensigerum | 3-4 |
| Krameraceae (Ratany Family) | ||
| Ratany | Krameria lanceolata | 4-6 |
| Lamiaceae (Mint Family) | ||
| Prairie Brazoria | Brazoria scutellariodes | 4-6 |
| Annual Pennyroyal | Hedeoma acinoides | 4-5 |
| Mock Pennyroyal | Hedeoma drummondii | 5-10 |
| Henbit | Lamium amplexicaule | 2-5 |
| Common Horehound | Marrubium vulgare | 4-7 |
| Spearmint | Mentha spicata | 6-9 |
| Tropical Sage | Salvia coccinea | 2-10 |
| Mealy Sage | Salvia farinacea | 4-5 |
| Blue Sage | Salvia texana | 4-5 |
| Drummond's Skullcap | Scutellaria drummondii | 3-4 |
| American Germander, Wood Sage | Teucrium canadense | 5-7 |
| Lentibulariaceae (Bladderword Family) | ||
| Conespur Bladderwort | Utricularia gibba | |
| Liliaceae (Lily Family) | ||
| Wild Onion | Allium canadence | 4-5 |
| Wild Garlic | Allium drummondii | 3-5 |
| Rain Lily | Cooperia drummondii | 6-10 |
| Rain Lily | Cooperia pedunculata | 4-5 |
| Beargrass | Nolina texana | 4-5 |
| Crow-Poison | Nothoscordum bivalve | Sp & F |
| Green Lily | Schoenocaulon texanum | 4-5 |
| Buckley Yucca | Yucca constricta | 4-6 |
| Twist-leaf Yucca | Yucca rupicola | 4-6 |
| Yellow Flax | Linum rigida | 4-5 |
| Rock Flax | Linum rupestre | 4-8 |
| Loasaceae (Stickleaf Family) | ||
| Stick-Leaf | Mentzelia oligosperma | 4-10 |
| Malvaceae (Mallow Family) | ||
| Indian Mallow | Abutilon incanum | 5-10 |
| Standing Winecup | Callirhoe digitata | 3-5 |
| Winecup | Callirhoe involucrata | 2-7 |
| Purple Horsemint, Lemon Beebalm | Monarda citriodora | 5-7 |
| Basil Beebalm | Monarda clinopodioides | 4-7 |
| Bladderpod Sida | Rhynchosida physocalyx | 3-12 |
| Sida | Sida filicaulis | 3-10 |
| Lindheimer's Sida | Sida lindheimeri | 5-8 |
| Stalkflower Sida | Sida longipes | 4-10 |
| Martyniaceae (Unicorn-plant Family) | ||
| Devil's Claw | Proboscidea louisianica | 6-9 |
| Menispermaceae (Moonseed Family) | ||
| Carolina Snailseed Vine | Cocculus carolinus | 6-8 |
| Nyctaginaceae (Four O'Clock Family) | ||
| Scarlet Spiderling | Boerhavia coccinea | 5-10 |
| Linearleaf Four O'Clock | Mirabilis linearis | 4-10 |
| Oleaceae (Olive Family) | ||
| Redbud | Menodora heterophylla | 3-9 |
| Onagraceae (Evening Primrose Family) | ||
| Square-bud Primrose | Calylophus drummondianus | 3-8 |
| Scarlet Gaura | Gaura coccinea | 4-7 |
| Lizard-Tail Gaura, Velvet-Leaf Gaura | Gaura paviflora | 4-10 |
| Cut-leaf Evening Primrose | Oenothera laciniata v. grandis | 3-10 |
| Pink Evening Primrose | Oenothera speciosa | 3-10 |
| Stemless Evening Primrose | Oenothera triloba | 3-5 |
| Oxalidaceae (Oxalis Family) | ||
| Yellow Wood Sorrel | Oxalis dillenii | 3-10 |
| Wood-Sorrel | Oxalis drummondii | 9-11 |
| Papaveraceae (Poppy Family) | ||
| White Prickly Poppy | Argemone albiflora | 3-5 |
| Polemenaceae (Phlox Family) | ||
| Blue Gilla | Gilia rigidula | 3-7 |
| Drummond's Phlox | Phlox drummondii | 3-6 |
| Standing Cypress | Ipomopsis rubra | 5-6 |
| Polygonaceae (Buckwheat Family) | ||
| Wild Buckwheat | Eriogonum annuum | 7-10 |
| Purple Milkwort | Polygala lindheimeri | 7-11 |
| Sheep Sorrel | Rumex acetosella | 7-11 |
| Pink Smartweed | Persicaria bicornis | 7-10 |
| Primulaceae (Primrose Family) | ||
| Thinleaf Brookweed | Samolus parviflorus | |
| Ranunculaceae (Buttercup Family) | ||
| Wind-Flower | Anemone heterophylla | 2-4 |
| Square-bud Primrose | Calylophus drummondianus | 3-8 |
| Old Man's Beard | Clematis drummondii | 4-9 |
| Prairie Larkspur | Delphinium carolinianum | 4-6 |
| Cursed Crowfoot | Ranunculus sceleratus | 3-6 |
| Rhamnaceae (Buckthorn Family) | ||
| Lotebush | Zizphus obtusifolia | 6-8 |
| Rosaceae (Rose Family) | ||
| White Avens | Geum canadense | 6-8 |
| Dewberry | Rubus trivialis | 3-4 |
| Rubiaceae (Madder Family) | ||
| Buttonbush | Cephalanthus occidentalis | 6-9 |
| Small Bluets | Hedyotis crassifolia | 1-3 |
| Mat Bluets | Hedyotis humifusa | 3-9 |
| Baby's Breath | Hedyotis nigricans | 4-11 |
| Rutaceae (Citrus Family) | ||
| Water Ash, Hoptree | Ptelea trifoliata | 4 |
| Sapindaceae (Soapberry Family) | ||
| Mexican Buckeye | Ungnadia speciosa | 3-5 |
| Scrophulariaceae (Figwort Family) | ||
| Plateau Agalinis | Agalinis edwardsiana | 9-11 |
| Prarie Agalinis | Agalinis heterophylla | 9-11 |
| Water Hyssop | Bacopa monnieri | 4-9 |
| Texas Paintbrush | Castilleja indivisa | 3-5 |
| Texas Toadflax | Linaria texana | 3-4 |
| Common Mullein | Verbascum thapsus | 4-10 |
| Water Speedwell | Veronica anagallis-aquatica | 4-5 |
| Corn Speedwell | Veronica arvensis | 3-6 |
| Solanaceae (Nightshade Family) | ||
| Green False Nightshade | Chamaesaracha coronopsus | 4-10 |
| Jimson-Weed | Datura inoxia | 4-10 |
| Yellow Ground Cherry | Physalis viscosa | 4-10 |
| Western Horse-Nettle | Solanum dimidiatum | 4-9 |
| American Nightshade | Solanum ptychanthum | 1-12 |
| Buffalo Bur | Solanum rostratum | 5-10 |
| Chili-piquin | Capsicum annuum | 1-12 |
| Verbenaceae (Vervain Family) | ||
| Frog Fruit | Phyla incisa | 5-10 |
| Prairie Verbena | Verbena bipinnatiflora | 3-10 |
| Gray Vervain | Verbena canescens | 4-10 |
| Texas Vervain | Verbena halei | 3-6 |
| Pink Vervain, Low Verbena | Verbena pumila | 2-4 |
| Woolly Vervain | Verbena stricta | 6-9 |
| Vitaceae (Grape Family) | ||
| Cow-itch Vine | Cissus incisa | 6-7 |