Special Collections
Cross Timbers
This EPA Level III ecoregion encompasses all or part of 35 Texas counties. With most of this ecoregion occurring in a swath from central Texas north, its northern reaches extend into southeastern Oklahoma. In Texas, this ecoregion covers approximately the same land area as the Texas Parks & Wildlife Department’s Cross Timbers and Prairies vegetative region. This collection lists only those taxa found in the Texas portion of the Cross Timbers ecoregion.Printer Friendly: Species List | List with Images | List with QR Tags to Mobile
| scientific name | common name(s) | image gallery |
| 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 | |
| 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 | |
| Rumex spiralis | Winged Dock | |
| Ruellia strepens | Limestone Ruellia Limestone Wild Petunia | |
| Rubus trivialis | Southern Dewberry Dewberry | |
| Sabatia angularis | Rosepink Rose-pink | |
| Sabatia arenicola | Sand Rose Gentian | |
| Salvia azurea | Pitcher Sage Big Blue Sage Azure Sage Giant Blue Sage Blue Sage | |
| Salvia azurea var. grandiflora | Pitcher Sage Blue Sage | |
| Salvia ballotiflora | Shrubby Blue Sage Blue Shrub Sage Mejorana | |
| Sanicula canadensis | Canadian Blacksnakeroot Black Snakeroot | |
| Sagittaria calycina | Hooded Arrowhead | |
| Sabatia campestris | Texas Star Rose Gentian Meadow Pink Prairie Rose-gentian Prairie Sabatia | |
| Saururus cernuus | Lizard's Tail Lizard Tail Breastweed Water Dragon | |
| Salvia coccinea | Scarlet Sage Tropical Sage Blood Sage Red Sage Indian Fire | |
| Sagina decumbens | Trailing Pearlwort | |
| Sagina decumbens ssp. decumbens | Trailing Pearlwort | |
| Samolus ebracteatus | Limewater Brookweed | |
| scientific name | common name(s) | image gallery |
