Acanthaceae

Hairy Tubetongue - Justicia pilosella

Warnock's Justicia - Justicia warnockii

Warnock's Justicia - Justicia warnockii

Heath Wrightwort - Cartwrightia linearifolia

Parry's Wild Petunia - Ruellia parryi

Gray Snakeherb - Dyschoriste cinerascens

Trans-Pecos Wrightwort - Carlowrightia serpyllifolia

Trans-Pecos Wrightwort - Carlowrightia serpyllifolia

Amaranthaceae

Arizona Snakecotton - Froelichia arizonica

Khakiweed - Alternathera pungens

Texas Shrub - Iresine leptoclada

Torrey's Amaranth - Amaranthus torreyi 

Torrey's Amaranth - Amaranthus Torreyi

Torrey's Amaranth - Amaranth torreyi

Woolly Tidestromia - Tidestromia lanuginosa

Woolly Tidestromia - Tidestromia lanuginosa

Amaryllidaceae

Copper Zephyr Lily - Habranthus longifolus

Anacampserotaceae

Arroyo Fameflower - Talinopsis frutescens

Anacardiaceae

Evergreen Sumac - Rhus virens

Evergreen Sumac - Rhus virens

Littleleaf Sumac - Rhus microphylla

Littleleaf Sumac - Rhus microphylla

Apiacae

Southern Chervil - Chaerophyllum tainturieri

Apocynaceae

Antelope-horns - Asclepias asperula

Net-vein Milkvine - Matelea reticulata

Pringle's swallow-wort - Cynamchum pringlei

Side-cluster Milkweed - Asclepias oenotheroides

Spearleaf - Matelea parviifolia

Talayote - Cynanchum unifarium

Texas Milkweed - Matelea producta

Torrey's Twinevine - Funastrum torreyi

Wavy-leaf Twinevine - Funastrum crispum

Wavy-leaf Twinevine - Funastrum crispum

Plateau Rock-trumpet - Mandevilla macrosiphon

Aristolochiaceae

Wright's Dutchman's Pipe - Aristolochia wrightii

Wright's Dutchman's Pipe - Aristolochia wrightii

Asparagaceae

Beargrass - Nolina erumpens

Faxon's Yucca - Yucca faxoniana

Lechuguilla - Agave lechuguilla

Lechuguilla - Agave lechuguilla

Lechuguilla - Agave lechuguilla

Smooth Sotol - Dasylirion leiophyllum

Thompson's Yucca - Yucca thompsoniana

Torrey's Yucca - Yucca torreyi

Asteraceae

American Basketflower - Plectocarpus americanus

American Threefold - Trixis californica

Arizona Goldenaster - Heterotheca arizonica

Blackfoot Daisy - Melampodium leucanthum

Bluntscale Hymenothrix - Hymenothrix pedata

Chihuahuan Spiny Goldenweed - Xanthisma chihuahuanum

Common Broomweed - Gutierrezia sarothrae

Common Cocklebur - Xanthium strumarium

Colorado Greenthread - Thelesperma ambiguum

Common Cinchweed - Pectis papposa grandis

Common Dogweed - Thymophylla penachaeta

Common Sneezeweed - Helenium microcephalum

Coulter's Brickellia - Brickellia coulteri brachiata

Coulter's False Conyza - Laënecia coulteri

Cowpen Daisy - Verbesina encelioides

Damianita - Chrysactinia mexicana

Desert Marigold - Baileyi multiradiata

Desert Zinnia - Zinnia acerosa

Desert Zinnia - Zinnia acerosa

Dissected Conoclinium - Conoclinium dissectum

                        

Gregg's Poreleaf - Porophyllum greggii

Guayule - Parthenium argentatum

Guayule - Parthenium argentatum

Gumhead - Gymnosperma glutinosum

Hairyseed Picradeniopsis - Picradeniopsis absinthifolia

Hairyseed Picradeniopsis - Picradeniopsis absinthifolia

Heather-leaf Daisy - Chaetopappa ericoides

Heather-leaf Daisy - Chaetopappa ericoides


Lemmon's Brickellia - Brickellia lemmonii

Limoncillo - Pectis angustifolia

Limoncillo - Pectis angustifolia

Lyreleaf Parthenium - Parthenium confertum

Mexican Goldenaster - Heterotheca fulcrata

Midwestern Gaillardia - Gaillardia pinnatifida

Parry's Rock Daisy - Perityle parryi

Plains Fleabane - Erigeron modestus

Tracy's Fleabane - Erigeron tracyi

Prickly Dogweed - Thymophylla acerosa

Prickly Sowthistle - Sonchus asper

Rag Sumpweed - Hedosyne ambrosifolia

Ragweed Parthenium - Parthenium hysterophorus

Shrubby Umbrella Thoroughwort - Koanophyllon solidaginifolium

Skeletonleaf Goldeneye - Sidneyi tenuifolia

Small-leaf Jefea - Jefea brevifolia

Split-leaf Brickellia - Brickellia laciniata

Spring Rabbit-Tobacco - Diaperia verna

Stemmy Four-nerved Daisy - Tetraneuris scaposa

Stemmy Four-nerved Daisy - Tetraneuris scaposa

Straggler's Daisy - Calyptocarpus vialis

Sunflower Goldeneye - Viguiera dentata

          

Tarbush - Flourensia cernua

Texas Thistle - Circium texanum

                  

Threadleaf Groundsel - Senecio flaccidus

Trans-Pecos Poreleaf - Porophyllum scoparium

Uinta Ragwort - Packera millelobata

Upright Prairie Coneflower - Ratibida columnifera

Vasey's Rock Daisy - Perityle vaseyi

White Sagebrush - Artemisia ludoviciana

Woolly Paper Flower - Psilostrophe tagetina

Woolly Paper Flower - Psilostrophe tagetina

Wright's Acourtia - Acourtia wrightii

Wright's Acourtia - Acourtia wrightii

Wright's Snakeroot - Ageratina wrightii