O.K. Dave and all who might be interested, here is the list pf plants in our yard, it is long so I hope it works.
-- PLANTS FOUND IN THE FRONT YARD --
Flowers / Perennials --
Big Red Sage -- Salvia penstemonoides
Blackeyed Susan -- Rudbeckia hirta
Blackeyed Susan -- Rudbeckia fulgida
Blackfoot Daisy -- Melanpodium leucanthum
Brazos Penstemon -- Penstemon tenuis
Carolina Phlox -- Phlox carolina
Cedar Sage -- Salvia roemeriana
Century Plant -- Agave americana
Cholla Cactus -- Cylindropuntia imbricata
Common Sunflower -- Helianthus annuus
Downy Skullcap -- Scutellaria incana
Drummond's Aster -- Symphyotrichum drummondii
Eastern Bluemist -- Conoclinium coelestinum
Fall Obedient Plant -- Physostegia virginiana
Fragrant Mistflower -- Ageratina herbaceae
Frostweed -- Verbesina virginica
Golden Groundsel -- Packera obovata
Goldenrod -- Solidago canadensis
Heart-Leaf Skullcap -- Scutellaria ovata
Heath Aster -- Symphyotrichum ericoides
Indian Blanket -- Gaillardia multiceps
Lanceleaf Coreopsis -- Coreopsis laceolata
Louisiana Phlox -- Phlox divaricata
Lyre-Leaf Sage -- Salvia lyrata
Mealy Blue Sage -- Salvia farinacea
Mexican Primrose -- Oenothera speciosa
Pigeonberry -- Rivina humilis
Pitcher Sage -- Salvia azurea
Prairie Groundsel -- Packera plattensis
Prairie Phlox -- Phlox pilosa
Purple Coneflower -- Echinacea purpurea
Purple Fall Aster -- Symphyotrichum oblongifolium
Red Columbine -- Aquilegia canadensis
Red Yucca -- Hesperaloe parviflora
Rose Vervain -- Glandularia canadensis
Rough Agave -- Agave parryii ssp. parryii
Scarlet Penstemon -- Penstemon triflorus
Scarlet Sage -- Salvia coccinea
Self-Heal -- Prunella vulgaris
Showy Tick Trefoil -- Desmodium canadense
Spiderwort -- Tradescantia occidentalis
Swamp Milkweed -- Asclepias incarnata
Tall White Mistflower -- Ageratina altissima
Texas Betony -- Stackys coccinea
Texas Thistle -- Cercium texanum
Twist-Leaf Yucca -- Yucca rupicula
Western Blumist -- Conoclinium greggii
White Gaura -- Gaura lindheimeriana
White Yarrow -- Achillea millefollium
Wild Petunia -- Ruellia nudiflora
Wild Petunia -- Ruellia caroliniana
Wild Violet -- Viola missouriensis
Winecup -- Calirhoe involucrata
Woodland Sunflower -- Helianthus hirsutus
Woolly Ironweed -- Vernonia lindhiemerii
Yellow Columbine -- Aquilegia chrysantha
Zexmenia -- Wedelia hispida
-- Shrubs --
Agarita -- Mahonia trifoliolata
American Beautyberry -- Callicarpa americana
Autumn Sage -- Salvia greggii
Barbados Cherry -- Malpighia glabra
Black Dalea -- Dalea frutescens
Buttonbush -- Cephalanthus occidentalis
Coralberry -- Symphoricarpos orbiculatus
Dwarf Texas Sage -- Leucophyllum frutescens
Eastern Wahoo -- Eunymus autropurpureus
False Indigo -- Amorpha fritocosa
Flame Acanthus -- Anisacanthus quadrifidus var. wrightii
Fragrant Mimosa -- Mimosa borealis
Golden Dewdrop -- Duranta erecta
Kidneywood -- Eysenhardtia texana
Military Hibiscus -- Hibiscus laevis
Mountain Sage -- Salvia regla
Poverty Weed -- Baccaris neglecta
Rock Rose -- Pavonia lasiopetala
Skeleton-Leaf Goldeneye -- Viguiera stenoloba
Spineless Prickly Pear -- Opuntia ellisiana
St. Andrews Cross -- Hypericum hypericoides
Texas Sage -- Leucophyllum frutescens
Turk's Cap -- Malvabiscus arboreus var. drummondii
Virginia Sweetspire -- Itea virginica
White Mistflower -- Ageratina havanense
Winged Loosestrife -- Lythrum alatum var. lanceolatum
Yellow Bells -- Tecoma stans
-- Trees --
Arizona Ash -- Fraxinus velutina
Desert Willow -- Chilopsis linearis
Dogwood -- Cornus florida
Eve's Necklace -- Styphonolobium affine
Paw Paw -- Asimina triloba
Red Buckeye -- Aesculus pavia
Rusty Blackhaw -- Viburnum rudifulum
Sassafras -- Sassafras albidum
Sweetgum -- Liquidamar styraciflua
Texas Mountain Laurel -- Sophora secundiflora
Texas Redbud -- Cercis canadensis var. texensis
Toothache Tree -- Zanthoxylum hirsutum
White Redbud -- Cercis canadensis
Yaupon Holly -- Ilex vomitoria
-- ADITIONAL PLANTS FOUND ON THE SLOPE --
-- Flowers / Perennials --
American Germander -- Teucrium canadensis
Beebrush -- Alloysia gratissima
Coralbean -- Erythrina herbacea
Illiniois Bundleflower -- Desmanthus illinoiensis
Mexican Hat -- Ratibida columnifera
Spanish Dagger -- Yucca treculeana
Tall Obedient Plant -- Physostegia digitalis
Texas Star Hibiscus -- Hibiscus coccineus
White Prickly Poppy -- Argemony albiflora
Willow-Leaf Aster -- Symphyotrichum praeltum
-- Vines --
Carolina Jessamine -- Gelsemium sempervirens
Crossvine -- Bignonia capreolata
-- ADDITIONAL PLANTS IN THE BACK YARD --
-- Flowers / Perennials --
American Pokeweed -- Phytolaca americana
Butterfly Milkweed -- Asclepias tuberosa
Chile Pequin -- Capsicum annuum
Clammyweed -- Polanisia dodecandra
Common Primrose -- Oenothera biennis
Downy Lobelia -- Lobelia puberula
Four-nerve Daisy -- Tetranuris scaposa
Gayfeather -- Liatris mucronata
Giant Coneflower -- Rudbeckia maxima
Inland Sea-oats -- Chasmanthium latifolium
Jerusalem Artichoke -- Helianthus tuberosus
Lace Cactus -- Echinocereus reichenbachii
Lizard's Tail -- Saururus cernuus
Maximillian Sunflower -- Helianthus maximiliani
Texas Milkweed -- Asclepias texana
Texas Vervain -- Verbena halei
White Avens -- Geum canadense
Whorled Milkweed -- Asclepia verticillata
-- Shrubs --
American Strawberry Bush -- Euonymus americanus
Elderberry -- Sambucus canadensis
Green Texas Sage -- Leucophyllum frutescens
Texas Lntana -- Lantana horrida
-- Trees --
American Holly -- Ilex opaca
Carolina Cherry Laurel -- Prunus caroliniana
Escarpment Black Cherry -- Prunus serotina var. eximia
Goldenball Leadtree -- Luceana retusa
Mexican Buckeye -- Ungnadia speciosa
Mexican Plum -- Prnus mexicana
Pecan -- Carya illinoiensis
Possum Haw -- Ilex decidua
Roughleaf Dogwood -- Cornus drummondii
Smooth Sumac -- Rhus glabra
-- Vines --
Carolina Snailseed -- Cocculus carolinius
Honeyvine Milkweed -- Cynanchum leave
Pipevine -- Aristolochia macrophylla
Purple Clematis -- Clematis pitcheri
Purple Passionflower -- Passiflora incarnata
Snapdragon Vine -- Maurandella antirrhiniflora
Swamp Leatherflower -- Clematis crispa
Wooly Passionflower -- Passiflora foetida
Yellow Passionflower -- Passiflora lutea
