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Edwards Plateau
This EPA Level III ecoregion encompasses all or part of 42 Texas counties. Lying entirely within the state, it is commonly referred to as the Texas Hill Country. This ecoregion covers approximately the same land area as the Texas Parks & Wildlife Department’s Edwards Plateau vegetative region.| scientific name | common name(s) | image gallery |
| Amaranthus bigelovii | Bigelow's Amaranth | |
| Ambrosia bidentata | Ragweed Lanceleaf Ragweed Southern Ragweed | |
| Ammophila breviligulata | American Beachgrass American Beach Grass | |
| Amaranthus brownii | Brown's Amaranth Brown's Pigweed | |
| Amphicarpaea bracteata var. bracteata | American Hogpeanut | |
| Amphicarpaea bracteata var. comosa | American Hogpeanut | |
| Amaranthus californicus | California Amaranth California Pigweed | |
| Amaranthus cannabinus | Salt-marsh Water-hemp Tidal-marsh Water-hemp Tidalmarsh Amaranth Water-hemp Pigweed | |
| Amorpha californica | California False Indigo | |
| Amorpha canescens | Leadplant Leadplant Amorpha Prairie Shoestring | |
| Ambrosia canescens | Hairy Ragweed | |
| Amorpha californica var. californica | California False Indigo | |
| Amorpha californica var. napensis | Napa False Indigo | |
| Ambrosia cheiranthifolia | Rio Grande Ragweed South Texas Ragweed | |
| Ammocodon chenopodioides | Goosefoot Moonpod | |
| Ambrosia chamissonis | Silver Bur Ragweed | |
| Ammophila champlainensis | Champlain Beachgrass | |
| Amsonia ciliata var. tenuifolia | Fringed Bluestar | |
| Ammannia coccinea | Valley Redstem Scarlet Tooth-cup | |
| Ambrosia confertiflora | Weakleaf Bur Ragweed Weak Leaved Burweed Slimleaf Bursage | |
| Amaranthus crassipes | Spreading Amaranth Clubfoot Amaranth Tropical Spreading Amaranth Spreading Pigweed | |
| Amaranthus crassipes var. warnockii | Clubfoot Amaranth Spreading Amaranth Spreading Pigweed | |
| Ambrosia deltoidea | Triangle Bur Ragweed Bursage Bur Sage Triangle Bursage | |
| Amphiachyris dracunculoides | Prairie Broomweed Broomweed | |
| Ambrosia dumosa | Burrobush White Bursage White Bur Sage | |
| Amyris elemifera | Sea Torchwood Torchwood | |
| Ambrosia eriocentra | Woolly Fruit Bur Ragweed Woolly Bursage | |
| Amaranthus fimbriatus | Blite Fringed Amaranth Fringed Pigweed | |
| Amaranthus floridanus | Florida Amaranth Florida Pigweed Florida Water-hemp | |
| Amorpha georgiana var. confusa | Georgia False Indigo | |
| Amorpha glabra | Mountain False Indigo | |
| Amoreuxia gonzalezii | Santa Rita Mountain Yellowshow Santa Rita Throwup Weed Saiya | |
| Amaranthus greggii | Gregg's Amaranth | |
| Amorpha herbacea | Clusterspike False Indigo Cluster-spike Indigobush | |
| Ambrosia ×helenae | Ragweed Helen Ragweed | |
| Amorpha herbacea var. crenulata | Clusterspike False Indigo | |
| Amorpha herbacea var. herbacea | Dwarf Indigo Bush Clusterspike False Indigo Leadplant | |
| Amaranthus hybridus | Slim Amaranth | |
| Ambrosia ×intergradiens | Ragweed | |
| Amorpha laevigata | Smooth False Indigo | |
| Ammannia latifolia | Koehn's Toothcup Pink Redstem Toothcup | |
| Amphitecna latifolia | Black Calabash Black-calabash | |
| Ambrosia linearis | Streaked Bur Ragweed Colorado Bursage Linear-leaf Bursage Plains Ragweed | |
| Amsinckia lycopsoides | Tarweed Fiddleneck Bugloss Fiddleneck | |
| Amyris madrensis | Mountain Torchwood Shrub Amyris | |
| Amsinckia menziesii var. menziesii | Menzies' Fiddleneck | |
| Amianthium muscitoxicum | Fly Poison Crow Poison | |
| Amorpha nana | Dwarf False Indigo Fragrant Indigo-bush Fragrant False Indigo Dwarf Wild Indigo | |
| Amorpha ×notha | False Indigo | |
| Amaranthus obcordatus | Trans-Pecos Amaranth Trans-Pecos Pigweed | |
| scientific name | common name(s) | image gallery |
