Special Collections
Southern Texas Plains
This EPA Level III ecoregion encompasses all or part of 21 Texas counties. This ecoregion borders most of the southwestern portion of the Rio Grande River and extends into northern Mexico. In Texas, it encompasses much of the same land area as the Texas Parks & Wildlife Department’s South Texas Plains vegetative region. This collection lists only those taxa found in the Texas portion of the Southern Texas Plains ecoregion.Printer Friendly: Species List | List with Images | List with QR Tags to Mobile
| scientific name | common name(s) | image gallery |
| Echinocereus coccineus var. paucispinus | Scarlet Hedgehog Cactus Claret Cup | |
| Echinocereus enneacanthus | Pitaya Strawberry Cactus Banana Cactus Cob Cactus Purple Pitaya Strawberry Hedgehog Cactus Prostrate Hedgehog Cactus | |
| Echinocereus enneacanthus var. brevispinus | Pitaya | |
| Echinocactus horizonthalonius | Devilshead Eagle Claws Turk's Head Devil's Head | |
| Echinocactus horizonthalonius var. horizonthalonius | Devilshead Turk's Head Devil's Head Manca Caballo Bluebarrel Cactus Visnaga Meloncillo | |
| Echinochloa muricata | American Barnyard Grass Rough Barnyard Grass Barnyard Grass American Cockspur Grass Wild Millet | |
| Echinocereus pectinatus | Rainbow Cactus | |
| Echinocereus pentalophus | Ladyfinger Cactus Alicoche Dog Tail Devil's Fingers | |
| Echinocereus poselgeri | Dahlia Hedgehog Cactus | |
| Eclipta prostrata | Pie Plant False Daisy Eclipta | |
| Echinocereus reichenbachii | Lace Hedgehog Cactus Lace Cactus Lace Hedgehog Purple Candle | |
| Echinocactus texensis | Horse Crippler Horse Crippler Cactus Devil's Head Chisos Hedgehog Cactus Chisos Hedgehog | |
| Echinochloa walteri | Coast Cockspur Grass | |
| Ehretia anacua | Anacua Sugarberry Anacua Anaqua Anacahuita Knockaway Knackaway Sandpaper Tree Manzanita Manzanillo Tlalahuacate | |
| Eleocharis atropurpurea | Purple Spikerush | |
| Elymus canadensis | Canada Wild Rye Canadian Wildrye Prairie Wildrye Nodding Wildrye | |
| Eleocharis cellulosa | Gulf Coast Spikerush | |
| Eleocharis compressa var. acutisquamata | Sharpscale Spikerush | |
| Elymus elymoides | Squirreltail Bottlebrush Squirreltail Squirrel-tail | |
| Elymus elymoides ssp. brevifolius | Squirreltail Long-leaf Squirrel-tail | |
| Eleocharis flavescens | Yellow Spikerush Pale Spike-rush Wrinkle-sheathed Spike-rush | |
| Eleocharis interstincta | Knotted Spikerush | |
| Eleocharis macrostachya | Pale Spikerush | |
| Eleocharis minima | Small Spikerush | |
| Eleocharis montevidensis | Sand Spikerush Spike Rush | |
| Eleocharis palustris | Common Spikerush Common Spike-rush Creeping Spikesedge | |
| Eleocharis parvula | Dwarf Spikerush | |
| Eleocharis quadrangulata | Squarestem Spikerush | |
| Eleocharis rostellata | Beaked Spikerush Leap Frog Spike Rush | |
| Elionurus tripsacoides | Pan American Balsamscale Balsamscale | |
| Elymus virginicus | Virginia Wild Rye Virginia Wildrye | |
| Elymus virginicus var. virginicus | Virginia Wildrye Virginia Wild Rye | |
| Engelmannia peristenia | Engelmann's Daisy Engelmann Daisy Cutleaf Daisy | |
| Ephedra antisyphilitica | Mormon Tea Joint-fir Clapweed Popote | |
| Ephedra aspera | Rough Jointfir | |
| Epipactis gigantea | Stream Orchid Chatterbox Orchid Giant Hellebore | |
| Epithelantha micromeris | Pingpong Ball Cactus Button Cactus | |
| Ephedra pedunculata | Vine Jointfir | |
| Equisetum hyemale | Scouring-rush Horsetail Horsetail Scouring Rush Canuela | |
| Equisetum hyemale var. affine | Scouring-rush Horsetail | |
| Equisetum laevigatum | Smooth Horsetail Horsetail | |
| Eriogonum abertianum | Abert's Buckwheat Abert's Wild Buckwheat | |
| Eriogonum annuum | Annual Buckwheat Annual Wild Buckwheat Umbrella Plant | |
| Erigeron colomexicanus | Running Fleabane Sprawling Daisy | |
| Eragrostis curtipedicellata | Gummy Lovegrass Gummy Love Grass | |
| Eryngium diffusum | Spreading Eryngo | |
| Eragrostis elliottii | Field Lovegrass Field Love Grass | |
| Erigeron flagellaris | Trailing Fleabane | |
| Erigeron geiseri | Geiser's Fleabane | |
| Eragrostis hirsuta | Bigtop Lovegrass Bigtop Love Grass | |
| Eryngium hookeri | Hooker's Eryngo | |
| Eragrostis hypnoides | Teal Lovegrass Teal Love Grass | |
| Eragrostis intermedia | Plains Lovegrass Plains Love Grass | |
| Eryngium leavenworthii | Leavenworth's Eryngo Eryngo False Purple Thistle | |
| Eriogonum longifolium | Longleaf Buckwheat Longleaf Wild Buckwheat | |
| Eriogonum longifolium var. longifolium | Longleaf Buckwheat | |
| Eragrostis lugens | Mourning Lovegrass Mourning Love Grass | |
| Erigeron modestus | Plains Fleabane Prairie Fleabane | |
| Eriogonum multiflorum | Wild Buckwheat Heart-sepal Buckwheat Heart-sepal Wild Buckwheat | |
| Eragrostis palmeri | Rio Grande Lovegrass Rio Grande Love Grass | |
| Eragrostis pectinacea | Tufted Lovegrass Tufted Love Grass | |
| Eragrostis pectinacea var. pectinacea | Tufted Lovegrass Tufted Love Grass | |
| Erioneuron pilosum | Hairy Woollygrass Hairy Tridens | |
| Erigeron procumbens | Corpus Christi Fleabane | |
| Eragrostis secundiflora | Red Lovegrass Red Love Grass | |
| Eragrostis sessilispica | Tumble Lovegrass Tumble Love Grass | |
| Eriochloa sericea | Texas Cupgrass | |
| Eragrostis secundiflora ssp. oxylepis | Red Lovegrass Red Love Grass | |
| Eragrostis spectabilis | Purple Lovegrass Purple Love Grass Purple Plains Lovegrass Tumblegrass Petticoat Climber | |
| Erigeron strigosus | Prairie Fleabane Daisy Fleabane Common Eastern Fleabane | |
| Erodium texanum | Texas Stork's Bill Stork's Bill Pine Needle Fillaree | |
| Erigeron tenuis | Slenderleaf Fleabane | |
| Eragrostis trichodes | Sand Lovegrass Sand Love Grass | |
| Erigeron versicolor | Changing Fleabane | |
| Eryngium yuccifolium | Rattlesnake Master Button Eryngo Button Snakeroot Beargrass Bear's Grass | |
| Escobaria vivipara | Spinystar Common Beehive Cactus Pincushion Cactus | |
| Escobaria vivipara var. radiosa | Spinystar | |
| Euphorbia antisyphilitica | Candelilla Wax Plant | |
| Eupatorium capillifolium | Dogfennel Dog Fennel | |
| Euphorbia cyathophora | Wild Poinsettia Poinsettia Fire On The Mountain | |
| Euphorbia dentata | Toothed Spurge Toothed-leaf Poinsettia | |
| Eustoma exaltatum | Catchfly Prairie Gentian Bluebell Gentian Western Blue Gentian Blue Marsh Lily Small Bluebell Catchfly Gentian Seaside Gentian | |
| Euphorbia heterophylla | Mexican Fireplant Wild Poinsettia | |
| Euphorbia longicruris | Wedgeleaf Spurge | |
| Euphorbia marginata | Snow On The Mountain Snow-on-the-mountain | |
| Euphorbia peplidion | Low Spurge | |
| Euphorbia roemeriana | Roemer's Spurge | |
| Eupatorium serotinum | White Boneset Lateflowering Thoroughwort Late Boneset Late-flowering Boneset | |
| Euphorbia spathulata | Warty Spurge | |
| Eurytaenia texana | Texas Spreadwing | |
| Evolvulus alsinoides | Slender Dwarf Morning-glory | |
| Evolvulus alsinoides var. angustifolius | Slender Dwarf Morning-glory | |
| Evax candida | Silver Pygmycudweed | |
| Evolvulus nuttallianus | Shaggy Dwarf Morning-glory Silky Evolvulus Shaggy Evolvulus | |
| Evax prolifera | Bighead Pygmycudweed Rabbit Tobacco | |
| Evolvulus sericeus | Silver Dwarf Morning-glory White Evolvulus | |
| Evolvulus sericeus var. sericeus | Silver Dwarf Morning-glory White Evolvulus | |
| Evax verna | Spring Pygmycudweed | |
| Evax verna var. verna | Spring Pygmycudweed | |
| Eysenhardtia texana | Texas Kidneywood Kidneywood Bee Brush Vara Dulce Palo Dulce | |
| scientific name | common name(s) | image gallery |
