Special Collections
Chihuahuan Desert
This EPA Level III ecoregion encompasses all or part of 16 counties in the Trans-Pecos region of West Texas. The Chihuahuan Desert extends across southern New Mexico, southeastern Arizona and northern Mexico. In Texas, this ecoregion covers roughly the same area as the Texas Parks & Wildlife Department’s Trans-Pecos vegetative region. This collection lists only those taxa found in the Texas portion of the Chihuahuan Desert ecoregion.Printer Friendly: Species List | List with Images | List with QR Tags to Mobile
| scientific name | common name(s) | image gallery |
| Potamogeton pusillus ssp. tenuissimus | Small Pondweed | |
| Porophyllum ruderale ssp. macrocephalum | Bolivian-coriander Yerba Porosa Papalo Papaloquelite | |
| Porophyllum scoparium | Trans-pecos Poreleaf Poreleaf Shrubby Poreleaf Hierba del Venado Jarilla Pomerillo | |
| Populus tremuloides | Quaking Aspen Golden Aspen Trembling Aspen Mountain Aspen Aspen Trembling Poplar Alamo Blanco | |
| Portulaca umbraticola | Wingpod Purslane Purslane | |
| Portulaca umbraticola ssp. umbraticola | Wingpod Purslane | |
| Polanisia uniglandulosa | Mexican Clammyweed Clammyweed | |
| Proboscidea althaeifolia | Desert Unicorn-plant Devil's Claw | |
| Prunus angustifolia | Chickasaw Plum Sandhill Plum | |
| Prosopis glandulosa | Honey Mesquite Glandular Mesquite Algarroba | |
| Prosopis glandulosa var. torreyana | Western Honey Mesquite Torrey Mesquite Western Mesquite | |
| Prunus havardii | Havard's Plum Havard’s Almond | |
| Proboscidea louisianica | Louisiana Devil's-claw Devil's claw Ram's-horn Unicorn Plant Proboscis Flower | |
| Proboscidea louisianica ssp. fragrans | Sweet Unicorn Plant Ram's-horn Devil's Claw | |
| Proboscidea louisianica ssp. louisianica | Ram's Horn Devil's Claw Unicorn Plant Ram's Horn | |
| Prunus minutiflora | Texas Almond Texas Wild Almond Dwarf Plum | |
| Prunus murrayana | Murray's Plum Murray Plum | |
| Proboscidea parviflora | Doubleclaw Devil's Claw | |
| Prosopis pubescens | Screwbean Mesquite American Screwbean Tornillo Screwbean Screwpod Mesquite Twisted Bean Fremont Screwbean | |
| Prunus serotina | Black Cherry Wild Black Cherry Rum Cherry | |
| Prunus serotina var. virens | Southwestern Black Cherry Southwestern Chokecherry Black Cherry | |
| Prunus virginiana | Chokecherry Common Chokecherry Choke Cherry | |
| Prunus virginiana var. demissa | Western Chokecherry | |
| Pseudognaphalium canescens ssp. canescens | Wright's Cudweed | |
| Psilostrophe gnaphalioides | Dudweed | |
| Pseudostellaria jamesiana | Tuber Starwort | |
| Psoralidium lanceolatum | Lemon Scurfpea | |
| Pseudotsuga menziesii | Douglas Fir Blue Douglas Fir | |
| Pseudotsuga menziesii var. glauca | Rocky Mountain Douglas Fir Blue Douglas Fir Inland Douglas Fir Interior Douglas Fir Colorado Douglas Fir Pino Real Colorado | |
| Pseudocymopterus montanus | Alpine False Springparsley | |
| Psathyrotopsis scaposa | Naked Turtleback Naked Brittlestem | |
| Psorothamnus scoparius | Broom Dalea Broom Smokebush Broom Pea | |
| Pseudoroegneria spicata | Bluebunch Wheatgrass | |
| Pseudognaphalium stramineum | Cottonbatting Plant | |
| Psilostrophe tagetina | Woolly Paperflower Paperflower | |
| Psilostrophe tagetina var. cerifera | Woolly Paperflower Plains Paperflower Hairy Paperflower | |
| Psoralidium tenuiflorum | Slimflower Scurfpea Scurfy Pea | |
| Pseudognaphalium viscosum | Winged Cudweed | |
| Pteridium aquilinum | Western Bracken Fern Bracken Fern Western Bracken Bracken | |
| Pteridium aquilinum var. pubescens | Hairy Bracken Fern Western Bracken Fern | |
| Ptelea trifoliata | Wafer Ash Common Hoptree Hop Tree | |
| Ptelea trifoliata ssp. trifoliata | Common Hoptree Baldwin Hop-tree | |
| Purshia ericifolia | Heath Cliffrose Heath Cliff-rose | |
| Pyrrhopappus grandiflorus | Tuberous Desert-chicory | |
| Pyrrhopappus pauciflorus | Smallflower Desert-chicory Texas Dandelion False Dandelion | |
| Quercus arizonica | Arizona White Oak Arizona Oak | |
| Quercus carmenensis | Mexican Oak | |
| Quercus chihuahuensis | Chihuahuan Oak Felt Oak | |
| Quercus depressipes | Davis Mountain Oak | |
| Quercus emoryi | Emory Oak Black Oak Holly Oak Apache Oak Desert Live Oak Western Black Oak Roble Negro Bellota | |
| Quercus fusiformis | Escarpment Live Oak Plateau Live Oak Hill Country Live Oak Texas Live Oak Scrub Live Oak Plateau Oak Encino Molino Tesmoli | |
| Quercus gambelii | Gambel Oak Rocky Mountain White Oak Utah White Oak | |
| Quercus graciliformis | Graceful Oak Slender Oak Chisos Oak | |
| Quercus gravesii | Chisos Red Oak Graves Oak Mountain Red Oak Rock Oak | |
| Quercus grisea | Gray Oak Scrub Oak Shin Oak | |
| Quercus havardii | Havard Oak Havard Shin-oak Shinnery Oak | |
| Quercus hinckleyi | Hinckley Oak | |
| Quercus hypoleucoides | Silverleaf Oak Whiteleaf Oak | |
| Quercus intricata | Dwarf Oak | |
| Quercus laceyi | Lacey Oak Texas Blue Oak Canyon Oak Smoky Oak Rock Oak | |
| Quincula lobata | Purple Groundcherry Chinese Lantern Purple Ground Cherry | |
| Quercus michauxii | Swamp Chestnut Oak Basket Oak Cow Oak Swamp Oak | |
| Quercus mohriana | Mohr Oak Shin Oak Scrub Oak | |
| Quercus muehlenbergii | Chinkapin Oak Chinquapin Oak Chestnut Oak Yellow Chestnut Oak Rock Chestnut Oak Yellow Oak Rock Oak | |
| Quercus oblongifolia | Blue Oak Mexican Blue Oak | |
| Quercus polymorpha | Mexican White Oak Netleaf White Oak Monterrey Oak | |
| Quercus robusta | Robust Oak | |
| Quercus rugosa | Netleaf Oak | |
| Quercus tardifolia | Lateleaf Oak | |
| Quercus toumeyi | Toumey Oak | |
| Quercus turbinella | Shrub Live Oak Sonoran Scrub Oak Scrub Oak Turbinella Oak Turbinella Encino | |
| Ratibida columnifera | Mexican Hat Red-spike Mexican Hat Upright Prairie Coneflower Prairie Coneflower Long-headed Coneflower Thimbleflower | |
| Rafinesquia neomexicana | New Mexico Plumeseed Plume-seed | |
| Ranunculus sceleratus | Cursed Buttercup | |
| Ranunculus sceleratus var. sceleratus | Cursed Buttercup | |
| Rhynchospora colorata | Whitetop Sedge White-topped Sedge Starrush Whitetop Star Sedge Star Rush | |
| Rhynchospora globularis | Globe Beaksedge | |
| Rhus lanceolata | Prairie Flameleaf Sumac Flameleaf Sumac Prairie Sumac Lance-leaf Sumac Lance-leaved Sumac Texas Sumac Tree Sumac Limestone Sumac Prairie Shining Sumac | |
| Rhus microphylla | Littleleaf Sumac Desert Sumac Correosa Agritos | |
| Rhynchospora nivea | Showy Whitetop | |
| Rhynchosida physocalyx | Bladderpod Sida Buffpetal Beaked Sida | |
| Rhynchosia senna | Texas Snoutbean | |
| Rhynchosia senna var. texana | Texas Snoutbean Texas Snout-bean | |
| Rhus trilobata | Skunkbush Skunkbush Sumac Fragrant Sumac Aromatic Sumac Scented Sumac Ill-scented Sumac Basketbush Squawbush | |
| Rhus trilobata var. pilosissima | Downy Fragrant Sumac Downy Aromatic Sumac Pubescent Skunkbush Sumac | |
| Rhus virens | Evergreen Sumac Tobacco Sumac Lambrisco Lentrisco | |
| Rhus virens var. choriophylla | Mearn Sumac Evergreen Sumac | |
| Ribes aureum | Golden Currant | |
| Rivina humilis | Pigeonberry Rouge Plant Baby-peppers Bloodberry | |
| Ribes leptanthum | Trumpet Gooseberry | |
| Ribes mescalerium | Mescalero Currant | |
| Rosa arkansana | Prairie Rose Arkansas Rose | |
| Robinia neomexicana | New Mexico Locust Southwestern Locust Hojalito | |
| Rorippa palustris | Bog Yellowcress | |
| Robinia pseudoacacia | Black Locust | |
| Rosa stellata | Desert Rose | |
| Rorippa teres | Southern Marsh Yellowcress | |
| Rosa woodsii | Woods' Rose Western Wild Rose | |
| Rumex altissimus | Pale Dock | |
| Ruellia davisiorum | Rio Grande Wild Petunia | |
| scientific name | common name(s) | image gallery |
