Printer Friendly: Species List | List with Images | List with QR Tags to Mobile
| scientific name | common name(s) | image gallery |
| Ampelopsis cordata | Heartleaf peppervine Heart-leaf ampelopsis | |
| Amphiachyris dracunculoides | Prairie broomweed Broomweed | |
| Amorpha fruticosa | Indigo bush False indigo bush False indigo Desert false indigo | |
| Amsonia longiflora | Tubular Bluestar Trumpet Slimpod | |
| Amaranthus palmeri | Carelessweed | |
| Amaranthus scleropoides | Bonebract amaranth | |
| Amaranthus spinosus | Spiny amaranth Thorny pigweed | |
| Ambrosia trifida var. texana | Giant Ragweed Texan great ragweed | |
| Anemone berlandieri | Tenpetal thimbleweed Ten-petaled anemone Wind-flower | |
| Anemone caroliniana | Carolina anemone Carolina thimbleweed Southern thimbleweed | |
| Andropogon glomeratus | Bushy bluestem Brushy bluestem | |
| Apocynum cannabinum | Indian hemp Prairie dogbane Dogbane Hemp dogbane | |
| Aphanostephus ramosissimus | Plains dozedaisy Lazy daisy | |
| Argemone albiflora | Bluestem pricklypoppy White pricklypoppy | |
| Argemone aurantiaca | Texas pricklypoppy | |
| Aristolochia erecta | Swanflower | |
| Argythamnia humilis var. humilis | Low Silverbush Low Wild Mercury | |
| Artemisia ludoviciana | Louisiana artemisia Louisiana sage White sage Prairie sage Silver sage White sagebrush Louisiana wormwood Silver wormwood Louisiana sagewort Gray sagewort Cudweed sagewort Mugwort wormwood | |
| Arabis petiolaris | Brazos rockcress Rock-cress Brazos rock-cress | |
| Aristida purpurea | Purple threeawn Purple 3-awn Purple three-awn Red threeawn | |
| Aristida purpurea var. purpurea | Purple threeawn Red threeawn | |
| Argythamnia simulans | Plateau silverbush Tall wild-mercury | |
| Arbutus xalapensis | Texas madrone Madrone Naked indian Manzanita | |
| Asclepias asperula | Spider milkweed Antelope horns Green-flowered milkweed Spider antelope-horns | |
| Astragalus crassicarpus | Groundplum milkvetch Ground plum | |
| scientific name | common name(s) | image gallery |