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 |
| Nymphaea odorata | American White Water-lily Fragrant White Water-lily Fragrant Water-lily White Water-lily Sweet-scented White Water-lily Sweet-scented Water-lily Beaver Root | |
| Nymphaea odorata ssp. odorata | American White Waterlily | |
| Nyssa sylvatica | Tupelo Blackgum Black Tupelo Sourgum Pepperidge Tupelo Gum Beetlebung | |
| Oenothera albicaulis | Whitest Evening-primrose White-stem Evening-primrose Pale Evening-primrose | |
| Oenothera brachycarpa | Shortfruit Evening-primrose Short-fruit Evening-primrose Shortfruit Evening Primrose | |
| Oenothera calcicola | Texas Beeblossom Limestone Gaura | |
| Oenothera cinerea | Woolly Beeblossom High Plains Beeblossom Woolly Gaura High Plains Gaura | |
| Oenothera cinerea ssp. parksii | Parks' Beeblossom Woolly Butterfly-weed Parks Gaura | |
| Oenothera curtiflora | Velvetweed Velvetleaf Gaura Lizard-tail Gaura Willow Gaura | |
| Oenothera drummondii | Beach Evening-primrose Beach Evening Primrose | |
| Oenothera filiformis | Longflower Beeblossom Longflower Gaura Large-flowered Gaura Kearney Gaura Tall Gaura | |
| Oenothera grandis | Showy Evening-primrose Largeflower Eveningprimrose Showy Eveningprimrose | |
| Oenothera heterophylla | Variable-leaf Evening-primrose | |
| Oenothera jamesii | Trumpet Evening-primrose Trumpet Evening Primrose River Primrose | |
| Oenothera kunthiana | Kunth's Evening-primrose | |
| Oenothera laciniata | Cutleaf Evening-primrose Cut-leaved Evening Primrose | |
| Oenothera linifolia | Threadleaf Evening-primrose | |
| Oenothera lindheimeri | White Gaura Butterfly Gaura Lindheimer's Beeblossom Lindheimer's Gaura | |
| Oenothera macrocarpa | Bigfruit Evening-primrose Missouri Evening-primrose Fluttermill Big-fruit Evening-primrose Missouri Primrose Bigfruit Evening Primrose | |
| Oenothera macrocarpa ssp. macrocarpa | Bigfruit Evening-primrose Fluttermill Missouri Evening Primrose | |
| Oenothera mexicana | Mexican Evening Primrose | |
| Oenothera pallida | Pale Evening-primrose | |
| Oenothera patriciae | Plains Beeblossom Plains Gaura | |
| Oenothera pallida ssp. runcinata | White Sands Evening Primrose | |
| Oenothera primiveris | Desert Evening-primrose Yellow-flower Desert Evening-primrose Bottle Evening Primrose Large Yellow Desert Primrose | |
| Oenothera rhombipetala | Fourpoint Evening-primrose Four-point Evening Primrose Diamond Petal Primrose Greater Four-point Evening-primrose | |
| Oenothera sinuosa | Wavyleaf Beeblossom Wavyleaf Gaura | |
| Oenothera spachiana | Spach's Evening-primrose | |
| Oenothera speciosa | Pink Evening Primrose Showy Evening Primrose Mexican Evening Primrose Showy Primrose Pink Ladies Buttercups Pink Buttercups | |
| Oenothera suffrutescens | Scarlet Beeblossom Scarlet Gaura | |
| Oenothera suffulta | Kisses Wild Honeysuckle Beeblossom Roadside Gaura | |
| Oenothera tetraptera | Fourwing Evening Primrose | |
| Oenothera triloba | Stemless Evening-primrose Stemless Evening Primrose | |
| Oenothera villosa | Hairy Evening Primrose | |
| Oenothera villosa ssp. villosa | Hairy Evening-primrose | |
| Oenothera xerogaura | Drummond's Beeblossom Drummond's Gaura | |
| Oldenlandia boscii | Bosc's Mille Graines | |
| Oligoneuron nitidum | Shiny Goldenrod | |
| Oligoneuron rigidum | Stiff Goldenrod Hard-leaf Goldenrod | |
| Oligoneuron rigidum var. rigidum | Stiff Goldenrod | |
| Oldenlandia uniflora | Clustered Mille Graines | |
| Onosmodium bejariense | Soft-hair Marbleseed | |
| Onosmodium bejariense var. bejariense | Soft-hair Marbleseed False Gromwell | |
| Onosmodium helleri | Heller's Marbleseed Marble-seed | |
| Onoclea sensibilis | Sensitive Fern Bead Fern Sympathy Fern | |
| Opuntia atrispina | Border Pricklypear | |
| Ophioglossum crotalophoroides | Bulbous Adder's-tongue | |
| Ophioglossum crotalophoroides var. crotalophoroides | Bulbous Adder's-tongue | |
| Ophioglossum engelmannii | Limestone Adder's-tongue Limestone Adderstongue | |
| Opuntia engelmannii | Cactus Apple Prickly Pear | |
| Opuntia engelmannii var. lindheimeri | Texas Prickly Pear Lindheimer's Prickly Pear Lindheimer Prickly Pear | |
| Oplismenus hirtellus | Basketgrass | |
| Oplismenus hirtellus ssp. setarius | Basketgrass | |
| Opuntia humifusa | Low Prickly Pear Smooth Prickly Pear Devil's Tongue | |
| Opuntia macrorhiza | Bigroot Prickly Pear Twist-spine Prickly Pear Common Prickly Pear Plains Prickly Pear | |
| Opuntia macrocentra | Purple Pricklypear Purple Prickly Pear Long-spined Prickly Pear Black Spine Prickly Pear | |
| Opuntia phaeacantha | Tulip Prickly Pear Brownspine Prickly Pear Cactus Purple-fruited Prickly Pear Brown-spined Prickly Pear New Mexico Prickly Pear Desert Prickly Pear | |
| Opuntia stricta | Erect Pricklypear | |
| Ophioglossum vulgatum | Southern Adder's-tongue Adder's-tongue Adder's-tongue Fern | |
| Orobanche fasciculata | Clustered Broomrape Yellow Broomrape | |
| Orobanche ludoviciana | Louisiana Broomrape | |
| Orobanche ludoviciana ssp. multiflora | Manyflower Broomrape | |
| Orbexilum pedunculatum | Sampson's Snakeroot | |
| Orobanche uniflora | One-flowered Broomrape One-flower Cancer Root | |
| Osmunda cinnamomea | Cinnamon Fern | |
| Osmunda cinnamomea var. cinnamomea | Cinnamon Fern | |
| Osmorhiza longistylis | Longstyle Sweetroot Aniseroot Sweet-cicely Wild Licorice | |
| Osmunda regalis | Royal Fern | |
| Osmunda regalis var. spectabilis | Royal Fern | |
| Ostrya virginiana | Eastern Hop-hornbeam American Hop-hornbeam Woolly Hop-hornbean Eastern Ironwood Roughbark Ironwood Ironwood Deerwood Leverwood | |
| Oxalis albicans | Radishroot Woodsorrel | |
| Oxalis dichondrifolia | Peonyleaf Woodsorrel | |
| Oxalis dillenii | Slender Yellow Wood Sorrel Yellow Wood Sorrel Yellow Woodsorrel | |
| Oxalis drummondii | Drummond's Wood-sorrel Large-leaf Wood-sorrel Drummond's Woodsorrel | |
| Oxypolis filiformis | Water Cowbane | |
| Oxytropis lambertii | Purple Locoweed | |
| Oxalis priceae | Tufted Yellow Woodsorrel | |
| Oxypolis rigidior | Stiff Cowbane | |
| Oxalis stricta | Common Yellow Oxalis Yellow Wood-sorrel Upright Yellow Wood-sorrel Yellow Woodsorrel | |
| Oxalis violacea | Violet Woodsorrel Violet Wood-sorrel | |
| Parkinsonia aculeata | Retama Paloverde Mexican Paloverde Jerusalem Thorn Horsebean Lluvia De Oro | |
| Passiflora affinis | Bracted Passionflower Passion Flower | |
| Panicum anceps | Beaked Panicgrass Beaked Panic Grass | |
| Pappophorum bicolor | Pink Pappasgrass Pink Pappusgrass | |
| Panicum brachyanthum | Prairie Panicgrass Prairie Panic Grass | |
| Palafoxia callosa | Small Palafox Small Palafoxia | |
| Panicum capillare | Witchgrass | |
| Parthenium confertum | Gray's Feverfew | |
| Panicum dichotomiflorum | Fall Panicgrass Fall Panic Grass | |
| Paspalum dissectum | Mudbank Crowngrass | |
| Paspalum distichum | Knotgrass | |
| Panicum diffusum | Spreading Witchgrass West Indian Panicgrass West Indian Panic Grass | |
| Paronychia drummondii | Drummond's Nailwort | |
| Paspalum floridanum | Florida Paspalum | |
| Passiflora foetida | Corona De Cristo Fetid Passionflower | |
| Passiflora foetida var. gossypiifolia | Cottonleaf Passionflower Corona De Cristo | |
| Paspalidium geminatum | Egyptian Panicgrass | |
| Packera glabella | Butterweed Cress-leaf Groundsel Yellowtop | |
| Panicum hallii | Hall's Panicgrass Hall's Panic Grass | |
| Panicum hemitomon | Maidencane | |
| scientific name | common name(s) | image gallery |
