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 |
| Trichostema lanceolatum | Vinegarweed Vinegar Weed | |
| Trifolium latifolium | Twin Clover | |
| Trollius laxus ssp. albiflorus | American Globeflower Spreading Globeflower White Globeflower | |
| Trifolium longipes | Longstalk Clover | |
| Trifolium longipes ssp. caurinum | Longstalk Clover | |
| Trifolium longipes ssp. longipes | Longstalk Clover | |
| Trifolium longipes ssp. multipedunculatum | Longstalk Clover | |
| Trifolium longipes ssp. reflexum | Droopflower Clover | |
| Triglochin maritima | Seaside Arrowgrass | |
| Trifolium macrocephalum | Largehead Clover Big-head Clover | |
| Trifolium microcephalum | Smallhead Clover | |
| Trifolium microdon | Thimble Clover | |
| Tragopogon mirus | Remarkable Goatsbeard | |
| Trichostema oblongum | Oblong Bluecurls Mountain Bluecurls | |
| Triantha occidentalis | Western False Asphodel | |
| Triantha occidentalis ssp. brevistyla | Sticky Tofieldia | |
| Trifolium oliganthum | Fewflower Clover | |
| Trillium ovatum | Pacific Trillium Pacific Wake-robin Western Trillium Western Wake-robin Coast Trillium Coast Wake-robin | |
| Trillium ovatum ssp. ovatum | Pacific Trillium Western Wake Robin Western Wakerobin | |
| Triglochin palustris | Marsh Arrowgrass | |
| Trillium petiolatum | Idaho Trillium Idaho Wake-robin Roundleaf Trillium Roundleaf Wake-robin | |
| Triodanis perfoliata | Clasping Venus's Looking-glass | |
| Trifolium plumosum | Plumed Clover | |
| Trifolium plumosum ssp. amplifolium | Bigleaf Clover | |
| Trifolium plumosum ssp. plumosum | Plumed Clover | |
| Triphysaria pusilla | Dwarf False Owl-clover Dwarf Johnny-tuck Dwarf Owl's-clover Dwarf Owl’s-clover Little Owl's Clover | |
| Trisetum spicatum | Spike Trisetum Narrow False Oat | |
| Trifolium thompsonii | Thompson's Clover | |
| Trifolium variegatum | Whitetip Clover | |
| Trifolium willdenovii | Tomcat Clover | |
| Trifolium wormskioldii | Cows Clover Cow Clover | |
| Trisetum wolfii | Beardless Oatgrass Wolf's Trisetum | |
| Tsuga heterophylla | Western Hemlock | |
| Tsuga ×jeffreyi | Hybrid Hemlock Jeffrey Hemlock | |
| Tsuga mertensiana | Mountain Hemlock | |
| Typha angustifolia | Narrowleaf Cattail | |
| Typha ×glauca | Hybrid Cattail Hybrid Cat-tail | |
| Typha latifolia | Broadleaf Cattail Common Cattail | |
| Urtica dioica | Stinging Nettle | |
| Urtica dioica ssp. gracilis | California Nettle Stinging Nettle | |
| Urtica dioica ssp. holosericea | Giant Creek Nettle Hoary Nettle Mountain Nettle Stinging Nettle | |
| Utricularia cornuta | Horned Bladderwort | |
| Utricularia gibba | Humped Bladderwort Bladderwort Conespur Bladderpod | |
| Utricularia inflata | Swollen Bladderwort Floating Bladderwort | |
| Utricularia intermedia | Flatleaf Bladderwort Mountain Bladderwort | |
| Utricularia macrorhiza | Common Bladderwort | |
| Utricularia minor | Lesser Bladderwort | |
| Utricularia ochroleuca | Yellowish White Bladderwort Dwarf Bladderwort | |
| Valeriana acutiloba | Sharpleaf Valerian Downy-fruit Valerian | |
| Valeriana acutiloba var. pubicarpa | Hairy-fruit Valerian Hairyfruit Valerian Mountain Valerian | |
| scientific name | common name(s) | image gallery |
