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 |
| Ranunculus laxicaulis | Mississippi Buttercup | |
| Ranunculus macranthus | Large Buttercup | |
| Ratibida peduncularis | Naked Mexican Hat Naked Prairie Coneflower | |
| Rayjacksonia phyllocephala | Camphor Daisy | |
| Ranunculus pusillus | Low Spearwort Weakstem Buttercup | |
| Ranunculus recurvatus | Blisterwort | |
| Ranunculus sceleratus | Cursed Buttercup | |
| Ranunculus sceleratus var. sceleratus | Cursed Buttercup | |
| Rhynchosia americana | American Snoutbean | |
| Rhus aromatica | Fragrant Sumac Aromatic Sumac Lemon Sumac Polecat Bush | |
| Rhus aromatica var. aromatica | Fragrant Sumac | |
| Rhus aromatica var. serotina | Fragrant Sumac | |
| Rhynchospora capitellata | Brownish Beaksedge Small-head Beaksedge Point-beak Beaksedge | |
| Rhynchospora caduca | Anglestem Beaksedge | |
| Rhynchospora cephalantha | Bunched Beaksedge | |
| Rhododon ciliatus | Texas Sandmint | |
| Rhus copallinum | Winged Sumac Shining Sumac Flameleaf Sumac Mountain Sumac Dwarf Sumac Wing-rib Sumac Black Sumac Upland Sumac | |
| Rhynchospora corniculata | Shortbristle Horned Beaksedge Horned Beakrush | |
| Rhynchospora colorata | Whitetop Sedge White-topped Sedge Starrush Whitetop Star Sedge Star Rush | |
| Rhus glabra | Smooth Sumac | |
| Rhynchospora globularis | Globe Beaksedge | |
| Rhynchospora glomerata | Clustered Beaksedge Cluster Beak-rush | |
| Rhynchospora gracilenta | Slender Beaksedge | |
| Rhynchospora harveyi | Harvey's 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 | |
| Rhynchosia latifolia | Prairie Snoutbean | |
| Rhynchospora latifolia | Sand-swamp Whitetop Sedge Tall Whitetop Sedge Whitetop Sedge Sand-swamp Whitetop Tall Whitetop Whitetop Colorful Rush | |
| Rhexia lutea | Yellow Meadow Beauty | |
| Rhexia mariana | Maryland Meadow Beauty Pale Meadow Beauty | |
| Rhynchospora macrostachya | Tall Horned Beaksedge | |
| Rhus microphylla | Littleleaf Sumac Desert Sumac Correosa Agritos | |
| Rhynchosia minima | Least Snoutbean | |
| Rhynchospora nitens | Shortbeak Beaksedge | |
| Rhynchospora nivea | Showy Whitetop | |
| Rhododendron oblongifolium | Texas Azalea | |
| Rhynchospora oligantha | Featherbristle Beaksedge | |
| Rhynchospora perplexa | Pineland Beaksedge | |
| Rhynchosida physocalyx | Bladderpod Sida Buffpetal Beaked Sida | |
| Rhynchospora pusilla | Fairy Beaksedge | |
| Rhynchospora rariflora | Fewflower Beaksedge | |
| Rhynchospora recognita | Globe Beaksedge | |
| Rhynchospora scirpoides | Long-beak Beaksedge | |
| Rhynchosia senna | Texas Snoutbean | |
| Rhynchosia senna var. texana | Texas Snoutbean Texas Snout-bean | |
| Rhynchospora stenophylla | Coastal Plain Beaksedge | |
| Rhus trilobata | Skunkbush Skunkbush Sumac Fragrant Sumac Aromatic Sumac Scented Sumac Ill-scented Sumac Basketbush Squawbush | |
| Rhus trilobata var. trilobata | Skunkbush Sumac | |
| Rhexia virginica | Handsome-harry Virginia Meadow Beauty Meadow-beauty | |
| Rhododendron viscosum | Swamp Azalea Clammy Azalea Cory Azalea Hammock Sweet Azalea | |
| Rhus virens | Evergreen Sumac Tobacco Sumac Lambrisco Lentrisco | |
| Richardia brasiliensis | Tropical Mexican Clover Brazil Pusley | |
| Ribes curvatum | Granite Gooseberry | |
| Rivina humilis | Pigeonberry Rouge Plant Baby-peppers Bloodberry | |
| Richardia tricocca | Prairie Mexican Clover | |
| Rosa carolina | Carolina Rose Pasture Rose | |
| Rosa carolina var. carolina | Carolina Rose | |
| Rosa foliolosa | White Prairie Rose Leafy Rose | |
| Robinia hispida | Bristly Locust Standing Sweet Pea | |
| Rorippa palustris | Bog Yellowcress | |
| Robinia pseudoacacia | Black Locust | |
| Rotala ramosior | Lowland Rotala | |
| Rosa setigera | Climbing Prairie Rose Climbing Rose Prairie Rose | |
| Rosa setigera var. tomentosa | Climbing Rose Illinois Rose | |
| Rorippa teres | Southern Marsh Yellowcress | |
| Rubus aboriginum | Garden Dewberry | |
| Rumex altissimus | Pale Dock | |
| Rubus argutus | Sawtooth Blackberry | |
| Rubus arvensis | Field Blackberry | |
| Ruellia caroliniensis | Carolina Wild Petunia | |
| Rumex chrysocarpus | Amamastla | |
| Ruellia drummondiana | Drummond's Ruellia Drummond's Wild Petunia | |
| Rubus flagellaris | Northern Dewberry | |
| Rudbeckia grandiflora | Rough Coneflower Tall Coneflower Largeflower Coneflower | |
| Rumex hastatulus | Heartwing Sorrel Heart-wing Sorrel | |
| Rudbeckia hirta | Black-eyed Susan Common Black-eyed Susan Brown-eyed Susan Blackeyed Susan | |
| Rudbeckia hirta var. pulcherrima | Black-eyed Susan Blackeyed Susan Brown-eyed Susan Pinewoods Coneflower | |
| Ruellia humilis | Prairie Petunia Fringeleaf Wild Petunia Hairy Ruellia Low Wild Petunia Low Ruellia Fringeleaf Ruellia Fringe-leaf Wild Petunia | |
| Rumex hymenosepalus | Canaigre Dock Canaigre Desert Rhubarb | |
| Rudbeckia maxima | Giant Coneflower Great Coneflower Giant Brown-eyed Susan Cabbage Coneflower | |
| Rumex maritimus | Golden Dock | |
| Ruellia metziae | White Ruellia Metz's Wild Petunia Metz Wild Petunia Wild White Petunia | |
| Ruellia nudiflora | Violet Ruellia Common Wild Petunia Violet Wild Petunia Wild Petunia Hierba De La Calentura | |
| Ruellia nudiflora var. nudiflora | Violet Wild Petunia | |
| Ruellia nudiflora var. runyonii | Runyon's Wild Petunia | |
| Ruellia occidentalis | Western Wild Petunia | |
| Ruellia pedunculata | Stalked Wild Petunia | |
| Rubus riograndis | Rio Grande Dewberry | |
| Rumex spiralis | Winged Dock | |
| Ruellia strepens | Limestone Ruellia Limestone Wild Petunia | |
| Rubus trivialis | Southern Dewberry Dewberry | |
| Rudbeckia triloba | Browneyed Susan Brown-eyed-susan Thin-leaved Coneflower Three-lobed Rudbeckia | |
| Rumex verticillatus | Swamp Dock | |
| Ruellia yucatana | Yucatan Wild Petunia | |
| Saccharum alopecuroides | Silver Plumegrass | |
| Sarracenia alata | Yellow Trumpets Yellow Pitcher Plant Yellow Trumpet Flycatcher Trumpet Pitcher Plant | |
| Sassafras albidum | Sassafras White Sassafras Ague Tree Cinnamon Wood Mitten Tree Saloop Smelling Stick | |
| Salix amygdaloides | Peachleaf Willow Peach-leaf Willow Almond-leaf Willow Almond Willow Peach Willow Southwestern Peach Willow Wright Willow Wright Peachleaf Willow | |
| Sabatia angularis | Rosepink Rose-pink | |
| Salvia azurea | Pitcher Sage Big Blue Sage Azure Sage Giant Blue Sage Blue Sage | |
| Salvia azurea var. grandiflora | Pitcher Sage Blue Sage | |
| scientific name | common name(s) | image gallery |
