| Section - 3 |
| Pine, Pinion - Pinus edulis |
| Ricegrass, Indian - Oryzopsis hymenoides |
| Sumac, Threeleaf - Rhus trilobata |
| Rabbitbush (Chamisa) - Ericameria nauseosa (syn. Chrysothamnus nauseosus) |
| Daisy, Chocolate - Berlandiera lyrata |
| Cottonwood, Rio Grande - Populus deltoides subsp. wislizeni |
| Oak, Texas Red - Quercus buckleyi |
| Penstemon, Cardinal - Penstemon cardinalis |
| Apache Plume - Fallugia paradoxa |
| Penstemon, Bridges' Beard Tongue - Penstemon rostriflorus |
| Penstemon, Scarlet Bugler - Penstemon barbatus |
| Zinnia, Prairie - Zinnia grandiflora |
| Penstemon, Sidebells - Penstemon secundiflorus |
| Yucca, Banana - Yucca baccata |
| Yucca, Soapweed - Yucca glauca |
| Mahogany, True Mountain - Cercoparpus montanus |
