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 |
| Hilaria belangeri | Curly Mesquite Grass Curly Mesquite | |
| Hilaria belangeri var. belangeri | Curly-mesquite | |
| Hibiscus denudatus | Paleface Rock Hibiscus | |
| Hieracium gronovii | Queendevil | |
| Hibiscus laevis | Halberdleaf Rosemallow Halberdleaf Hibiscus Scarlet Rose Mallow Halberd-leaved Hibiscus Halberd-leaved Rose-mallow | |
| Hibiscus lasiocarpos | Woolly Rose-mallow Woolly Mallow Rose-mallow False Cotton | |
| Hibiscus moscheutos | Crimson-eyed Rose-mallow Marshmallow Hibiscus | |
| Hibiscus striatus | Striped Rosemallow | |
| Hibiscus striatus ssp. lambertianus | Striped Rosemallow | |
| Houstonia acerosa | Needleleaf Bluet | |
| Hoffmannseggia glauca | Indian Rushpea Indian Rush-pea | |
| Houstonia humifusa | Matted Bluet | |
| Hottonia inflata | American Featherfoil Featherfoil | |
| Houstonia micrantha | Southern Bluet | |
| Hoffmannseggia oxycarpa | Sharppod Rushpea | |
| Houstonia parviflora | Greenman's Bluet | |
| Hordeum pusillum | Little Barley | |
| Houstonia pusilla | Tiny Bluets Small Bluets Star Violet | |
| Houstonia rosea | Rose Bluet | |
| Houstonia subviscosa | Nodding Bluet | |
| Hyptis alata | Clustered Bushmint | |
| Hymenopappus artemisiifolius | Oldplainsman Woolly-white Old Plainsman | |
| Hymenopappus artemisiifolius var. artemisiifolius | Oldplainsman | |
| Hymenopappus carrizoanus | Carrizo Sands Woollywhite | |
| Hypericum crux-andreae | St. Peter's-wort Atlantic St. Peter's-wort St. Peter's Cross St. John's-wort | |
| Hypericum drummondii | Nits And Lice Drummond's St. John's-wort | |
| Hypericum gentianoides | Orangegrass Pineweed | |
| Hypericum gymnanthum | Claspingleaf St. John's-wort | |
| Hypoxis hirsuta | Common Goldstar Yellow Star-grass Eastern Yellow Star-grass | |
| Hypericum hypericoides | St. Andrew's-cross | |
| Hypericum hypericoides ssp. multicaule | St. Andrew's-cross | |
| Hygrophila lacustris | Gulf Swampweed | |
| Hymenocallis liriosme | Texas Spiderlily Spring Spiderlily Spiderlily Louisiana Spiderlily Western Marsh Spiderlily | |
| Hymenoclea monogyra | Singlewhorl Burrobrush | |
| Hypericum mutilum | Dwarf St. John's-wort | |
| Hymenoxys odorata | Bitter Rubberweed | |
| Hydrolea ovata | Blue Waterleaf Ovate False Fiddleleaf Hairy Hydrolea | |
| Hypericum punctatum | Spotted St. John's-wort | |
| Hydrocotyle ranunculoides | Floating Marshpennywort Floating Marsh-Pennywort Floating Marsh Pennywort Floating Pennyroyal | |
| Hymenopappus scabiosaeus | Carolina Woollywhite Woolly-white Old Plainsman | |
| Hymenopappus scabiosaeus var. corymbosus | Carolina Woollywhite Old Plainsman | |
| Hymenopappus scabiosaeus var. scabiosaeus | Carolina Woollywhite | |
| Hypericum sphaerocarpum | Roundseed St. John's-wort | |
| Hymenopappus tenuifolius | Chalk Hill Hymenopappus Chalkhill Woolywhite | |
| Hydrocotyle umbellata | Manyflower Marsh-pennywort Many-flowered Marsh-pennywort Marsh Pennywort Water Pennywort Money Plant | |
| Hybanthus verticillatus | Babyslippers Nodding Green Violet Green Violet | |
| Hydrocotyle verticillata | Whorled Marshpennywort | |
| Hypoxis wrightii | Wright's Star-grass | |
| Ibervillea lindheimeri | Balsam Gourd Lindheimer's Globeberry Globe Berry Snake-apple Balsam-apple | |
| Ilex ambigua | Carolina Holly Sand Holly Possum Holly | |
| Ilex decidua | Possumhaw Possumhaw Holly Deciduous Holly Meadow Holly Prairie Holly Swamp Holly Welk Holly Deciduous Yaupon Bearberry Winterberry | |
| Ilex opaca | American Holly White Holly Prickly Holly Evergreen Holly Christmas Holly Yule Holly | |
| Ilex vomitoria | Yaupon Yaupon Holly Cassina | |
| Imperata brevifolia | California Satintail | |
| Impatiens capensis | Jewelweed Orange Jewelweed Spotted Touch-me-not | |
| Indigofera lindheimeriana | Lindheimer's Indigo | |
| Indigofera miniata | Scarlet Pea Coastal Indigo Texas Indigo Western Indigo | |
| Indigofera suffruticosa | Anil De Pasto | |
| Ipomoea cordatotriloba | Tievine Purple Bindweed Morning Glory | |
| Ipomoea cordatotriloba var. cordatotriloba | Tievine Sharp-pod Morning Glory Purple Bindweed Tie Vine | |
| Ipomoea cordatotriloba var. torreyana | Torrey's Tievine | |
| Ipomoea lindheimeri | Lindheimer's Morning-glory Blue Morning Glory | |
| Ipomopsis longiflora | Flaxflowered Ipomopsis Pale Trumpets Paleflower Gilia White-flower Skyrocket White-flowered Gilia | |
| Ipomoea pandurata | Man Of The Earth Wild Potato Wild Sweet Potato Manroot | |
| Ipomopsis rubra | Standing Cypress Texas Plume Red Texas Star Red Gilia | |
| Ipomoea sagittata | Saltmarsh Morning-glory Salt-marsh Morning Glory | |
| Iris brevicaulis | Zigzag Iris | |
| Iris fulva | Copper Iris Red Iris | |
| Iris hexagona | Dixie Iris | |
| Iresine rhizomatosa | Judas Bush | |
| Iris virginica | Virginia Iris Great Blue Flag Southern Blue Flag | |
| Isolepis carinata | Keeled Bulrush | |
| Isocoma drummondii | Drummond's Goldenbush | |
| Isoetes melanopoda | Blackfoot Quillwort | |
| Isolepis molesta | Gulf Coast Bulrush | |
| Isotria verticillata | Large Whorled Pogonia Purple Fiveleaf Orchid | |
| Itea virginica | Virginia Sweetspire Tassel-white Virginia Willow | |
| Iva angustifolia | Narrowleaf Marshelder Narrow-leaf Sumpweed Narrowleaf Marsh Elder | |
| Iva annua | Annual Marshelder Marshelder Sumpweed Annual Marsh Elder Marsh Elder | |
| Iva frutescens | Jesuit's Bark High-tide Bush High-water Shrub Marsh Elder Bigleaf Marsh Elder | |
| Jatropha cathartica | Berlandier's Nettlespurge Jicamilla | |
| Jatropha dioica | Leatherstem Leather Stem Rubber Plant | |
| Jatropha dioica var. dioica | Leatherstem | |
| Janusia gracilis | Slender Janusia | |
| Jacquemontia tamnifolia | Hairy Clustervine Hairy Cluster-vine | |
| Juncus acuminatus | Tapertip Rush | |
| Justicia americana | American Water-willow Water-willow | |
| Juniperus ashei | Ashe Juniper Ashe's Juniper Mountain Cedar Rock Cedar Post Cedar Texas Cedar Brake Cedar Mexican Juniper Blueberry Juniper Ozark White Cedar Sabino Enebro | |
| Juncus brachycarpus | Whiteroot Rush | |
| Juncus bufonius | Toad Rush | |
| Juncus coriaceus | Leathery Rush | |
| Juncus dichotomus | Forked Rush | |
| Juncus diffusissimus | Slimpod Rush | |
| Juncus dudleyi | Dudley's Rush | |
| Juncus effusus | Common Rush Soft Rush | |
| Juncus filipendulus | Ringseed Rush | |
| Juncus interior | Inland Rush | |
| Juncus interior var. interior | Inland Rush | |
| Juglans major | Arizona Walnut Arizona Black Walnut River Walnut Mountain Walnut Nogal Silvestre | |
| Juncus marginatus | Grassleaf Rush Grass Leaf Rush | |
| scientific name | common name(s) | image gallery |
