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