Combination search
Looking for commercially available native plant species suitable to your state or region, try the Recommended Species page.
| scientific name | common name(s) | image gallery |
| Thelesperma filifolium | Stiff Greenthread Greenthread | |
| Thelesperma filifolium var. filifolium | Stiff Greenthread Showy Navajo Tea Greenthread | |
| Thelesperma filifolium var. intermedium | Stiff Greenthread | |
| Thelesperma megapotamicum | Hopi Tea Greenthread Green Threads Navajo Tea Cota | |
| Thelypteris noveboracensis | New York Fern Tapering Fern | |
| Thelypteris palustris | Eastern Marsh Fern Marsh Fern | |
| Thelypteris palustris var. pubescens | Eastern Marsh Fern | |
| Thalictrum revolutum | Waxyleaf Meadow-rue | |
| Thermopsis rhombifolia | Prairie Thermopsis Prairie Goldenbean | |
| Thalictrum thalictroides | Rue Anemone Rue-anemone | |
| Thaspium trifoliatum | Purple Meadowparsnip Purple Meadow Parsnip | |
| Thaspium trifoliatum var. aureum | Yellow Meadow Parsnip Golden Alexanders | |
| Thelypodium wrightii | Wright's Thelypody Wright Thelypody | |
| Thelypodium wrightii ssp. oklahomense | Oklahoma Thelypody Wright Stanleyella Wright's Thelypody | |
| Tilia americana | American Basswood American Linden Lime Tree Bee Tree | |
| Tilia americana var. americana | American Basswood Linn American Linden White Basswood | |
| Tilia americana var. caroliniana | Carolina Basswood Florida Basswood Small-leaved Basswood Downy Basswood Carolina Linden Florida Linden Small-leaved Linden Downy Linden | |
| Tipularia discolor | Crippled Cranefly | |
| Tidestromia lanuginosa | Woolly Tidestromia | |
| Townsendia exscapa | Stemless Townsend Daisy Stemless Townsend-daisy Easter Daisy | |
| Toxicodendron pubescens | Atlantic Poison Oak | |
| Toxicodendron radicans | Eastern Poison Ivy Poison Ivy | |
| Toxicodendron radicans ssp. negundo | Eastern Poison Ivy Poison Creeper Poison Ivy | |
| Toxicodendron radicans ssp. pubens | Eastern Poison Ivy Poison Creeper Poison Ivy | |
| Toxicodendron radicans ssp. radicans | Eastern Poison Ivy | |
| Toxicodendron radicans ssp. verrucosum | Eastern Poison Ivy | |
| Toxicodendron rydbergii | Western Poison Ivy | |
| Townsendia texensis | Texas Townsend Daisy | |
| Trepocarpus aethusae | Whitenymph | |
| Tridens albescens | White Tridens White Top | |
| Triosteum angustifolium | Yellow-fruit Horse-gentian Narrow-leaved Horse-gentian Narrowleaf Horse-gentian | |
| Triosteum aurantiacum | Orange-fruit Horse-gentian | |
| Triosteum aurantiacum var. aurantiacum | Orangefruit Horse-gentian | |
| Triosteum aurantiacum var. illinoense | Illinois Horse-gentian Red-fruited Horse Gentian Wild Coffee | |
| Tragia betonicifolia | Betonyleaf Noseburn | |
| Triodanis biflora | Small Venus' Looking-glass | |
| Tradescantia bracteata | Bracted Spiderwort Long-bract Spiderwort | |
| Trichostema brachiatum | Fluxweed False Pennyroyal | |
| Trifolium carolinianum | Carolina Clover | |
| Tragia cordata | Heartleaf Noseburn | |
| Tripsacum dactyloides | Eastern Gamagrass Fakahatchee Grass | |
| Trachelospermum difforme | Climbing Dogbane | |
| Trichostema dichotomum | Forked Bluecurls Blue Curls | |
| Tradescantia ernestiana | Ernest's Spiderwort | |
| Tridens flavus | Purpletop Tridens Redtop Tridens Tall Redtop Tridens Purpletop Redtop Tall Redtop | |
| Tridens flavus var. chapmanii | Chapman's Tridens | |
| Tridens flavus var. flavus | Purpletop Tridens | |
| Tradescantia hirsutiflora | Hairyflower Spiderwort | |
| Tradescantia hirsuticaulis | Hairystem Spiderwort Hairy-stem Spiderwort Hairy-stemmed Spiderwort | |
| Triodanis holzingeri | Holzinger's Venus' Looking-glass | |
| Trisetum interruptum | Prairie False Oat | |
| Triodanis lamprosperma | Prairie Venus' Looking-glass Prairie Venus' Lookingglass | |
| Triodanis leptocarpa | Slimpod Venus' Looking-glass | |
| Triglochin maritima | Seaside Arrowgrass | |
| Tridens muticus | Slim Tridens | |
| Tridens muticus var. elongatus | Slim Tridens | |
| Tridens muticus var. muticus | Slim Tridens Awnless Fluffgrass | |
| Tradescantia occidentalis | Prairie Spiderwort Western Spiderwort Spiderwort | |
| Tradescantia occidentalis var. melanthera | Prairie Spiderwort | |
| Tradescantia occidentalis var. occidentalis | Prairie Spiderwort | |
| Tradescantia ohiensis | Ohio Spiderwort Bluejacket | |
| Tradescantia ozarkana | Ozark Spiderwort | |
| Triodanis perfoliata | Clasping Venus's Looking-glass | |
| Triosteum perfoliatum | Feverwort Wild Coffee | |
| Trianthema portulacastrum | Desert Horse-purslane Horse-purslane Black-pigweed Giant-pigweed | |
| Trillium pusillum | Dwarf Wakerobin Dwarf Trillium | |
| Triplasis purpurea | Purple Sandgrass Purple Triplasis | |
| Trillium pusillum var. ozarkanum | Ozark Wakerobin Ozark Trillium | |
| Tragia ramosa | Branched Noseburn | |
| Trifolium reflexum | Buffalo Clover | |
| Trillium recurvatum | Prairie Trillium Prairie Wake-robin Bloody Butcher | |
| Trillium sessile | Toadshade Red Trillium Red Wake-robin Sessile Trillium Sessile Wake-robin Yellow Trillium Yellow Wake-robin | |
| Tridens strictus | Longspike Tridens | |
| Tradescantia tharpii | Tharp's Spiderwort Dwarf Spiderwort | |
| Triphora trianthophoros | Threebirds Three-birds Orchid | |
| Triadenum tubulosum | Lesser Marsh St. Johnswort | |
| Triadenum virginicum | Virginia Marsh St. Johnswort | |
| Trillium viridescens | Tapertip Wakerobin Tapertip Trillium | |
| Triadenum walteri | Greater Marsh St. Johnswort | |
| Typha angustifolia | Narrowleaf Cattail | |
| Typha domingensis | Southern Cattail | |
| Typha latifolia | Broadleaf Cattail Common Cattail | |
| Ulmus alata | Winged Elm Wahoo Elm Cork Elm Witch Elm | |
| Ulmus americana | American Elm White Elm Soft Elm Water Elm Common Elm | |
| Ulmus crassifolia | Cedar Elm Fall Elm Basket Elm Scrub Elm Lime Elm Texas Elm Southern Rock Elm Olmo | |
| Ulmus rubra | Slippery Elm Red Elm Gray Elm Soft Elm | |
| Ulmus serotina | September Elm Red Elm | |
| Urtica chamaedryoides | Heart-leaf Stinging Nettle Heart-leaf Nettle Stinging Nettle | |
| Urochloa ciliatissima | Fringed Signalgrass | |
| Urtica dioica | Stinging Nettle | |
| Urtica dioica ssp. gracilis | California Nettle Stinging Nettle | |
| Urochloa fusca | Browntop Signalgrass | |
| Urochloa platyphylla | Broadleaf Signalgrass Broad-leaf Liverseed Grass | |
| Urochloa texana | Texas Signalgrass | |
| Utricularia gibba | Humped Bladderwort Bladderwort Conespur Bladderpod | |
| Utricularia inflata | Swollen Bladderwort Floating Bladderwort | |
| Utricularia juncea | Southern Bladderwort | |
| Utricularia macrorhiza | Common Bladderwort | |
| Utricularia radiata | Little Floating Bladderwort Floating Bladderwort | |
| Utricularia striata | Striped Bladderwort Fibrous Bladderwort | |
| scientific name | common name(s) | image gallery |
