Special Collections
Southern Texas Plains
This EPA Level III ecoregion encompasses all or part of 21 Texas counties. This ecoregion borders most of the southwestern portion of the Rio Grande River and extends into northern Mexico. In Texas, it encompasses much of the same land area as the Texas Parks & Wildlife Department’s South Texas Plains vegetative region. This collection lists only those taxa found in the Texas portion of the Southern Texas Plains ecoregion.Printer Friendly: Species List | List with Images | List with QR Tags to Mobile
| scientific name | common name(s) | image gallery |
| Palafoxia rosea | Rosy Palafox Rose Palafoxia | |
| Palafoxia rosea var. macrolepis | Rosy Palafox | |
| Packera tampicana | Yellowtop Great Plains Ragwort Butterweed | |
| Palafoxia texana | Texas Palafox | |
| Parkinsonia texana | Texas Paloverde Border Paloverde Retama China | |
| Passiflora tenuiloba | Birdwing Passionflower Slender-lobe Passionflower Spread Lobe Passionflower Bird Wing Passionflower | |
| Palafoxia texana var. ambigua | Texas Palafox | |
| Parkinsonia texana var. macra | Texas Paloverde Border Paloverde | |
| Parkinsonia texana var. texana | Texas Paloverde Texas Palo-verde Palo-verde | |
| Pappophorum vaginatum | Whiplash Pappusgrass | |
| Panicum virgatum | Switchgrass Wand Panic Grass | |
| Panicum virgatum var. virgatum | Switchgrass | |
| Petiveria alliacea | Guinea Hen Weed | |
| Pectis angustifolia | Limoncillo Lemonscent Crownseed Pectis Lemon-scented Pectis Lemonscent Pectis Lemonweed Chinchweed Fetid Marigold | |
| Perityle angustifolia | Narrow-leaved Rockdaisy | |
| Pectis angustifolia var. fastigiata | Lemonscent | |
| Pellaea atropurpurea | Purple Cliffbrake | |
| Penstemon baccharifolius | Rock Penstemon Rock Beardtongue Cut-leaf Penstemon Cut-leaf Beardtongue Baccharis-leaf Penstemon Baccharis-leaf Beardtongue | |
| Persea borbonia | Redbay Red Bay Sweet Bay Silk Bay Red Bay Persea Laurel Tree | |
| Penstemon cobaea | Prairie Penstemon Prairie Beardtongue Foxglove Penstemon Foxglove Beardtongue False Foxglove Large-flowered Penstemon Large-flowered Beardtongue Cobaea Penstemon Cobaea Beardtongue Wild Foxglove | |
| Pediomelum cuspidatum | Indian-turnip Largebract Indian Breadroot Tall Scurfy Pea Tall-bread Scurf-pea | |
| Penstemon digitalis | Mississippi Penstemon Mississippi Beardtongue Smooth White Penstemon Smooth White Beardtongue Talus Slope Penstemon Talus Slope Beardtongue Foxglove Penstemon Foxglove Beardtongue | |
| Penstemon fendleri | Fendler's Penstemon Fendler's Beardtongue Fendler Penstemon Fendler Beardtongue Purple Foxglove | |
| Peniocereus greggii | Nightblooming Cereus Night-blooming Cereus | |
| Peniocereus greggii var. greggii | Nightblooming Cereus Night-blooming-cereus Queen Of The Night | |
| Penstemon jamesii | James's Penstemon James's Beardtongue James Penstemon James Beardtongue | |
| Penstemon laxiflorus | Nodding Penstemon Nodding Beardtongue Loose-flowered Penstemon Loose-flowered Beardtongue | |
| Perityle lindheimeri | Lindheimer's Rockdaisy Rock Daisy | |
| Perityle lindheimeri var. halimifolia | Lindheimer's Rockdaisy | |
| Pellaea ovata | Ovateleaf Cliffbrake Ovate-leaf Cliffbrake | |
| Pediomelum rhombifolium | Gulf Indian Breadroot Brown-flowered Psoralea Round-leaf Scurf-pea | |
| Penstemon triflorus | Hill Country Penstemon Hill Country Beardtongue Scarlet Penstemon Scarlet Beardtongue Heller's Penstemon Heller's Beardtongue | |
| Penstemon triflorus ssp. integrifolius | Heller's Penstemon Heller's Beardtongue | |
| Penstemon triflorus ssp. triflorus | Heller's Penstemon Heller's Beardtongue | |
| Penstemon tubaeflorus | White Wand Penstemon White Wand Beardtongue | |
| Pellaea wrightiana | Wright's Cliffbrake Fern Wright's Cliffbrake | |
| Phyllanthus abnormis | Drummond's Leaf-flower | |
| Physalis angulata | Cutleaf Groundcherry | |
| Phemeranthus aurantiacus | Orange Flameflower Flameflower Fameflower Talinum | |
| Phragmites australis | Common Reed Phragmites | |
| Phemeranthus calycinus | Largeflower Flameflower Largeflower Fameflower | |
| Phalaris caroliniana | Carolina Canarygrass Maygrass | |
| Physalis cinerascens | Smallflower Groundcherry | |
| Physalis cinerascens var. cinerascens | Smallflower Groundcherry | |
| Physostegia correllii | Correll's False Dragonhead | |
| Phacelia congesta | Caterpillars Blue Curls Fiddleneck | |
| Phlox cuspidata | Pointed Phlox | |
| Phyla cuneifolia | Wedgeleaf Wedgeleaf Frogfruit Wedgeleaf Fogfruit | |
| Phlox drummondii | Annual Phlox Drummond Phlox Pride-of-Texas Texas Pride | |
| Phlox drummondii ssp. drummondii | Annual Phlox | |
| Phlox drummondii ssp. mcallisteri | Mcallister's Phlox Drummond Phlox | |
| Phlox glabriflora | Rio Grande Phlox | |
| Phlox glabriflora ssp. littoralis | Rio Grande Phlox | |
| Physalis hederifolia | Ivyleaf Groundcherry Ivy-leaf Groundcherry | |
| Physalis heterophylla | Clammy Groundcherry | |
| Phacelia hirsuta | Fuzzy Phacelia | |
| Physostegia intermedia | Spring Obedient Plant Marsh Obedient Plant Slender False Dragonhead Intermediate False Dragonhead | |
| Phacelia laxa | Coastal Phacelia | |
| Phyla lanceolata | Lanceleaf Frogfruit Lanceleaf Fogfruit | |
| Physalis longifolia | Longleaf Groundcherry | |
| Physalis mollis | Field Groundcherry | |
| Physalis mollis var. variovestita | Field Groundcherry | |
| Phyla nodiflora | Texas Frogfruit Turkey Tangle Fogfruit Frogfruit | |
| Phemeranthus parviflorus | Sunbright Dwarf Flameflower Prairie Flameflower | |
| Phacelia patuliflora | Sand Phacelia Sand Scorpionweed Blue Phacelia | |
| Phacelia patuliflora var. austrotexana | South Texas Sand Phacelia | |
| Phacelia patuliflora var. patuliflora | Sand Phacelia | |
| Phacelia patuliflora var. teucriifolia | Sand Phacelia | |
| Phlox pilosa | Downy Phlox Prairie Phlox Fragrant Phlox | |
| Phlox pilosa ssp. pilosa | Downy Phlox Prairie Phlox Fragrant Phlox | |
| Phyllanthus polygonoides | Smartweed Leaf-flower Knotweed Leafflower | |
| Philadelphus pubescens | Hoary Mock Orange | |
| Physalis pubescens | Husk Tomato Downy Ground-cherry Downy Groundcherry | |
| Physostegia pulchella | Showy False Dragonhead Beautiful False Dragon-head | |
| Phlox roemeriana | Goldeneye Phlox Golden-eye Phlox | |
| Phaulothamnus spinescens | Devilqueen Snake-eyes | |
| Philadelphus texensis | Texas Mock Orange | |
| Phoradendron tomentosum | Christmas Mistletoe Mistletoe Injerto | |
| Physalis virginiana | Virginia Groundcherry | |
| Pistacia mexicana | Mexican Pistachio Texas Pistachio American Pistachio Copal Pistachio Wild Pistachio Lentisco Texas Pistache | |
| Pinus remota | Papershell Pinyon Remote Pinyon Pine | |
| Pinaropappus roseus | White Rocklettuce White Dandelion Pink Dandelion White Rock Lettuce | |
| Pistia stratiotes | Water Lettuce | |
| Plantago aristata | Largebracted Plantain Buckthorn | |
| Plantago helleri | Heller's Plantain Cedar Plantain | |
| Plantago heterophylla | Slender Plantain | |
| Plantago hookeriana | California Plantain Tallow Weed | |
| Pleuraphis mutica | Tobosagrass Tobosa Grass | |
| Platanus occidentalis | American Sycamore Eastern Sycamore American Plane Tree Plane Tree Buttonwood Buttonball Tree | |
| Pluchea odorata | Sweetscent Saltmarsh Fleabane | |
| Pluchea odorata var. odorata | Sweetscent Marsh Fleabane Southern Marsh Fleabane | |
| Plantago patagonica | Woolly Plantain Bristle-bract Plantain | |
| Pleopeltis polypodioides | Resurrection Fern | |
| Pleopeltis polypodioides ssp. michauxiana | Resurrection Fern | |
| Plantago rhodosperma | Redseed Plantain Red-seeded Plantain | |
| Plumbago scandens | Doctorbush Summer Snow Plumbago Mexican Plumbago | |
| Plantago virginica | Virginia Plantain Paleseed Indian-wheat Dwarf Plantain Paleseed Plantain Hoary Plantain Southern Plantain | |
| Plantago wrightiana | Wright's Plantain | |
| Polygala alba | White Milkwort | |
| Poa bigelovii | Bigelow's Bluegrass | |
| scientific name | common name(s) | image gallery |
