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South Texas Plains
The South Texas Plains lie south of a line from San Antonio to Del Rio. This area is the western extension of the Gulf Coastal Plains merging with the Mexico Plains on the west. The area is a nearly level to rolling, slightly to moderately dissected plain. Upland soils are of three groups: dark, clayey soils over firm clayey subsoils; grayish to reddish brown, loamy to sandy soils; and brown loamy soils. Gray, clayey, saline, and sodic soils are extensive on the coastal fringe, along with Galveston deep sands. Bottomlands are typically brown to gray, calcareous silt loams to clayey alluvial soils.Printer Friendly: Species List | List with Images | List with QR Tags to Mobile
| scientific name | common name(s) | image gallery |
| Abronia fragrans | Fragrant verbena Sand verbena Snowball Snowball sand verbena Sweet sand-verbena | |
| Abutilon fruticosum | Indian mallow Texas Indian mallow | |
| Abutilon hypoleucum | Rio Grande abutilon White-leaf indian-mallow Whiteleaf Indian mallow | |
| Acacia berlandieri | Guajillo Berlandier acacia Thornless Catclaw Mimosa Catclaw Round-flowered Catclaw Huajillla Matoral | |
| Acacia farnesiana | Huisache Sweet acacia Mealy wattle | |
| Achillea millefolium | Common yarrow Yarrow Milfoil Western yarrow | |
| Acer negundo | Ash-leaf maple Ash-leaved maple Box elder Boxelder Fresno de guajuco | |
| Acacia rigidula | Blackbrush acacia Blackbrush Catclaw Chaparro prieto Gavia | |
| Acacia roemeriana | Roundflower catclaw Round-flower catclaw Roemer acacia Catclaw Roemer’s acacia Catclaw acacia | |
| Acacia schaffneri var. bravoensis | Huisachillo Schaffner's wattle Twisted acacia | |
| Agave americana | American century plant Century plant | |
| Agave parryi ssp. parryi | Century plant Mescal Parry's agave Rough agave | |
| Allium canadense var. canadense | Canada onion Meadow garlic Wild onion | |
| Allium canadense var. mobilense | Meadow garlic Wild onion | |
| Allium coryi | Yellow-flowered onion Yellowflower onion | |
| Allium drummondii | Drummond's onion Wild Garlic Drummond wild onion | |
| Aloysia gratissima | Whitebrush Bee-brush White-brush Common bee-brush Beebrush Privet lippia | |
| Aloysia wrightii | Wright's beebrush Wright’s lippia | |
| Ampelopsis arborea | Peppervine | |
| Ampelopsis cordata | Heartleaf peppervine Heart-leaf ampelopsis | |
| Amorpha fruticosa | Indigo bush False indigo bush False indigo Desert false indigo | |
| Amsonia illustris | Ozark bluestar Showy blue-star Missouri blue star Swamp bluestar | |
| Amyris texana | Chapotillo Texas torchwood | |
| Andropogon gerardii | Big bluestem Turkeyfoot | |
| Andropogon glomeratus | Bushy bluestem Brushy bluestem | |
| scientific name | common name(s) | image gallery |
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