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 | |
| scientific name | common name(s) | image gallery |
