Taenidia _Taenidia_ 54 Tamarisk _Tamarix_ 59 Tangierpea _Lathyrus tingitanus_ 32 Tanglehead _Heteropogon_ 22 Tansy _Tanacetum_ 54 Tansymustard _Descurainia_ 41 Teff _Eragrostis tef_ 21 Teosinte _Euchlaena_ 21 Tephrosia _Tephrosia_ 34 Thaspium _Thaspium_ 54 Thatchgrass _Hyparrhenia hirta_ 22 Themeda _Themeda_ 26 Thermopsis _Thermopsis_ 34 Thimbleberry, fragrant _Rubus odoratus_ 58 Thistle _Cirsium_ 39 Threeawn _Aristida_ 19 Tickclover _Desmodium_ 31 Tickseed _Corispermum_ 40 Tidestromia _Tidestromia_ 54 Timothy _Phleum_ 24 Toadflax _Linaria_ 46 Tobacco _Nicotiana_ 48 Tobosa _Hilaria mutica_ 22 Tomato _Lycopersicum_ 47 Toothwort _Dentaria_ 41 Torpedograss _Panicum repens_ 23 Tovara _Tovara_ 54 Townsendia _Townsendia_ 54 Treeofheaven _Ailanthus_ 55 Trefoil _Lotus_ 32 Trichloris _Trichloris_ 26 Tridens _Tridens_ 26 Trigonella _Trigonella_ 34 Trisetum _Trisetum_ 26 Trumpetcreeper _Campsis_ 56 Tumblegrass _Schedonnardus_ 25 Tumblemustard _Sisymbrium altissimum_ 53 Tumbleweed _Amaranthus graecizans_ 35 Turnip _Brassica napus_ 38 Uniola _Uniola_ 26 Vaseygrass _Paspalum urvillei_ 24 Velvetbean _Stizolobium_ 34