Special Collections
East Central Texas Plains
This EPA Level III ecoregion encompasses all or part of 56 Texas counties. This ecoregion separates the two bands of the Texas Blackland Prairies ecoregion and extends just across the Oklahoma border. In Texas, it covers approximately the same land area as the Texas Parks & Wildlife Department’s Post Oak Savannah vegetative region. This collection lists only those taxa found in the Texas portion of the East Central Texas Plains ecoregion.Printer Friendly: Species List | List with Images | List with QR Tags to Mobile
| scientific name | common name(s) | image gallery |
| Giliastrum incisum | Splitleaf Gilia Split-leaf Gilia Cut-leaf Gilia | |
| Giliastrum ludens | Rio Grande Gilia | |
| Giliastrum rigidulum | Bluebowls Blue Gilia | |
| Gillenia stipulata | American Ipecac | |
| Gleditsia aquatica | Water Locust Swamp Locust | |
| Glandularia bipinnatifida | Prairie Verbena Purple Prairie Verbena Dakota Vervain Dakota Mock Vervain Moradilla Alfombrilla | |
| Glandularia bipinnatifida var. bipinnatifida | Prairie Verbena Purple Prairie Verbena Dakota Mock Vervain Dakota Vervain | |
| Glandularia bipinnatifida var. ciliata | Davis Mountains Mock Vervain Dakota Mock Vervain Wright's Verbena | |
| Glandularia canadensis | Rose Vervain Sweet William Rose Mock Vervain | |
| Glandularia polyantha | Rio Grande Mock Vervain | |
| Glandularia pumila | Dwarf Vervain Low Verbena Pink Mock Vervain Pink Verbena Wild Vervain | |
| Glandularia quandrangulata | Beaked Mock Vervain Pale Mock Vervain Chihuahuan Mock Vervain | |
| Glyceria septentrionalis | Floating Mannagrass Northern Mannagrass Eastern Mannagrass | |
| Glyceria striata | Fowl Mannagrass | |
| Gleditsia triacanthos | Honey Locust Common Honey Locust Thorny Common Honey Locust Honey Shucks Locust Sweet Locust Thorny Locust Honey Shucks Sweet Bean Tree | |
| Glandulicactus uncinatus | Chihuahuan Fishhook Cactus | |
| Glandulicactus uncinatus var. wrightii | Chihuahuan Fishhook Cactus Brown-flowered Hedgehog Cactus Catclaw Cactus | |
| Gossypianthus lanuginosus | Woolly Cottonflower | |
| Gomphrena nealleyi | Nealley's Globe Amaranth | |
| Gomphrena serrata | Arrasa Con Todo | |
| Grindelia adenodonta | Lonestar Gumweed | |
| Gratiola brevifolia | Sticky Hedgehyssop | |
| Gratiola flava | Yellow Hedgehyssop | |
| Grindelia lanceolata | Narrowleaf Gumweed Fall Gumweed | |
| Grindelia lanceolata var. lanceolata | Narrowleaf Gumweed | |
| Grindelia microcephala | Littlehead Gumweed Gumweed | |
| Gratiola neglecta | Clammy Hedgehyssop | |
| Grindelia nuda var. nuda | Curlytop Gumweed | |
| Grindelia oolepis | Plains Gumweed | |
| Grindelia papposa | Spanish Gold Clasping-leaved Haplopappus Saw-leaf Daisy | |
| Gratiola pilosa | Shaggy Hedgehyssop | |
| Grindelia squarrosa | Curlycup Gumweed | |
| Gratiola virginiana | Roundfruit Hedgehyssop | |
| Guaiacum angustifolium | Texas Lignum-vitae Soapbush Guayacan | |
| Gutierrezia microcephala | Threadleaf Snakeweed Threadleaf Broomweed Smallhead Snakeweed Littlehead Snakeweed | |
| Gutierrezia sarothrae | Broom Snakeweed Kindlingweed Matchbrush Texas Snakeweed Broomweed Turpentine Weed Matchweed | |
| Gutierrezia sphaerocephala | Roundleaf Snakeweed | |
| Gutierrezia texana | Texas Snakeweed | |
| Gymnopogon ambiguus | Bearded Skeletongrass | |
| Gymnocladus dioicus | Kentucky Coffeetree Stump Tree | |
| Gymnosperma glutinosum | Gumhead Tatalencho | |
| Halesia diptera | Two-wing Silverbell Two-winged Silverbell Silverbell American Snowdrop Tree Snowdrop Tree Snowbell Cowlicks | |
| Habenaria repens | Waterspider Bog Orchid Water-spider Orchid | |
| Habranthus tubispathus | Rio Grande Copperlily Copper Lily Rio Grande Copper-lily | |
| Hackelia virginiana | Beggarslice Beggar's-lice Stickseed Sticktight Wild Comfrey Virginia Stickseed | |
| Hedeoma acinoides | Slender False Pennyroyal Annual Pennyroyal Slender Hedeoma | |
| Helenium amarum | Yellow Sneezeweed Bitterweed Yellow Bitterweed Yellowdicks Slender-leaved Sneezeweed Fine-leaved Sneezweed Yellow Dog-fennel | |
| Helenium amarum var. amarum | Yellow Bitterweed Yellowdicks | |
| Helenium amarum var. badium | Brown Bitterweed Basin Sneezeweed | |
| Helianthus angustifolius | Swamp Sunflower Narrowleaf Sunflower Narrow-leaved Sunflower | |
| Helianthus annuus | Common Sunflower Annual Sunflower | |
| Helianthus argophyllus | Silverleaf Sunflower | |
| Helenium autumnale | Common Sneezeweed Fall Sneezeweed Autumn Sneezeweed | |
| Helenium autumnale var. autumnale | Common Sneezeweed | |
| Helianthemum carolinianum | Carolina Frostweed | |
| Heterotheca canescens | Hoary False Goldenaster Gray Golden-aster | |
| Helianthus ciliaris | Texas Blueweed | |
| Heteropogon contortus | Tanglehead | |
| Heliotropium convolvulaceum | Phlox Heliotrope Fragrant Heliotrope | |
| Heliotropium curassavicum | Salt Heliotrope Seaside Heliotrope Quail Plant Cola De Mico Cola De Gama | |
| Helianthus debilis | Cucumberleaf Sunflower Cucumber-leaf Sunflower Beach Sunflower | |
| Helianthus debilis ssp. cucumerifolius | Cucumberleaf Sunflower | |
| Hedeoma drummondii | Drummond's False Pennyroyal Limoncillo Mock Pennyroyal | |
| Helenium drummondii | Fringed Sneezeweed | |
| Heteranthera dubia | Grassleaf Mudplantain Water Stargrass | |
| Helenium elegans | Pretty Sneezeweed | |
| Helenium flexuosum | Purplehead Sneezeweed Purple-head Sneezeweed | |
| Heterotheca fulcrata | Rockyscree False Goldenaster | |
| Helianthemum georgianum | Georgia Frostweed Rockrose Georgia Sunrose | |
| Helianthus grosseserratus | Sawtooth Sunflower | |
| Heliopsis helianthoides | Smooth Oxeye Oxeye Sunflower False Sunflower | |
| Hedeoma hispida | Rough False Pennyroyal | |
| Helianthus hirsutus | Hairy Sunflower Rough Sunflower | |
| Herbertia lahue | Prairie Nymph Herbertia | |
| Herbertia lahue ssp. caerulea | Prairie Nymph Herbertia | |
| Heteranthera limosa | Blue Mudplantain Blue Mud Plantain | |
| Helianthus maximiliani | Maximilian Sunflower Max Sunflower | |
| Helenium microcephalum | Smallhead Sneezeweed | |
| Helianthus mollis | Ashy Sunflower Downy Sunflower | |
| Hexalectris nitida | Glass Mountain Crested Coralroot Glass Mountain Crested Coral Root | |
| Helianthus occidentalis | Fewleaf Sunflower Western Sunflower | |
| Helianthus pauciflorus | Stiff Sunflower Prairie Sunflower | |
| Hesperaloe parviflora | Red Yucca Coral Yucca Red-flowered False Yucca Redflower False Yucca Yellow Yucca Hummingbird Yucca Samandoque | |
| Helianthus pauciflorus ssp. pauciflorus | Stiff Sunflower | |
| Helianthus praecox | Texas Sunflower | |
| Heliotropium procumbens | Fourspike Heliotrope | |
| Helianthus praecox ssp. runyonii | Runyon's Sunflower | |
| Hedeoma reverchonii | Reverchon's False Pennyroyal | |
| Hedeoma reverchonii var. reverchonii | Reverchon's False Pennyroyal Rock Hedeoma | |
| Hedeoma reverchonii var. serpyllifolia | Reverchon's False Pennyroyal Rock Hedeoma | |
| Helianthemum rosmarinifolium | Rosemary Frostweed Sun Rose | |
| Helianthus salicifolius | Willowleaf Sunflower Willow-leaved Sunflower | |
| Hexalectris spicata | Spiked Crested Coralroot Spiked Crested Coral Root | |
| Heterotheca stenophylla | Stiffleaf False Goldenaster Sticky Granite-daisy | |
| Heterotheca subaxillaris | Camphorweed Camphor Weed | |
| Heliotropium tenellum | Pasture Heliotrope White Heliotrope | |
| Hermannia texana | Texas Burstwort Mexican Mallow | |
| Heliotropium torreyi | Slimleaf Heliotrope | |
| Helianthus tuberosus | Jerusalem Artichoke Sunchoke | |
| Heterotheca villosa | Hairy False Goldenaster Hairy Golden-aster | |
| scientific name | common name(s) | image gallery |
