| Crop | Type | Crop Info |
| Tabebuia impetiginosa | SCI | crop info |
| Table mountain pine | CMN | crop info |
| Tagetes erecta | SCI | crop info |
| Tall fescue | CMN | crop info |
| Tall indigo | CMN | crop info |
| Tall meadow oat grass | CMN | crop info |
| Tall melilot | CMN | crop info |
| Tall oat grass | CMN | crop info |
| Tall wheatgrass | CMN | crop info |
| Tamarack | CMN | crop info |
| Tamarix aphylla | SCI | crop info |
| Tampico fiber | CMN | crop info |
| Tanacetum cinerariifolium | SCI | crop info |
| Tanacetum coccineum | SCI | crop info |
| Tanacetum parthenium | SCI | crop info |
| Tangelo | CMN | crop info |
| Tangerine, Italinan | CMN | crop info |
| Taraxacum officinale | SCI | crop info |
| Taro, Chinese | CMN | crop info |
| Taro, giant | CMN | crop info |
| Tarragon | CMN | crop info |
| Tartary buckwheat | CMN | crop info |
| Taxodium distichum var. imbricarium | SCI | crop info |
| Tea crab apple | CMN | crop info |
| Teff | CMN | crop info |
| Tepary bean | CMN | crop info |
| Texas pickly pear | CMN | crop info |
| Texas red oak | CMN | crop info |
| Themeda triandra | SCI | crop info |
| Thickspike wheatgrass | CMN | crop info |
| Thuja occidentalis | SCI | crop info |
| Thyme | CMN | crop info |
| Thyme, creeping | CMN | crop info |
| Thyme, mother of | CMN | crop info |
| Thymus serpyllum | SCI | crop info |
| Thymus vulgaris | SCI | crop info |
| Tifton burclover | CMN | crop info |
| Tilia americana var. americana | SCI | crop info |
| Tilia americana var. heterophylla | SCI | crop info |
| Tilia cordata | SCI | crop info |
| Timber oat grass | CMN | crop info |
| Timor mountain gum | CMN | crop info |
| Timothy | CMN | crop info |
| Timothy, alpine | CMN | crop info |
| Tiny vetch | CMN | crop info |
| Tobacco | CMN | crop info |
| Tobaco, wild | CMN | crop info |
| Tomato | CMN | crop info |
| Tomato, cherry | CMN | crop info |
| Tomato, currant | CMN | crop info |
| Tomcat clover | CMN | crop info |
| Toothacheplant | CMN | crop info |
| Tragopogon porrifolius | SCI | crop info |
| Trailing crown vetch | CMN | crop info |
| Trailing juniper | CMN | crop info |
| Tree cotton | CMN | crop info |
| Tree lucerne | CMN | crop info |
| Tree spinach | CMN | crop info |
| Tree-of-heaven | CMN | crop info |
| Trefoil, big | CMN | crop info |
| Trefoil, birdsfoot | CMN | crop info |
| Trefoil, hairy big | CMN | crop info |
| Trefoil, moon | CMN | crop info |
| Trefoil, narrow-leaf | CMN | crop info |
| Trefoil, sweet | CMN | crop info |
| Trefoil, yellow | CMN | crop info |
| Trema orientalis | SCI | crop info |
| Trifolium alexandrinum | SCI | crop info |
| Trifolium ambiguum | SCI | crop info |
| Trifolium arvense | SCI | crop info |
| Trifolium aureum | SCI | crop info |
| Trifolium berytheum | SCI | crop info |
| Trifolium campestre | SCI | crop info |
| Trifolium dubium | SCI | crop info |
| Trifolium fragiferum | SCI | crop info |
| Trifolium glomeratum | SCI | crop info |
| Trifolium hirtum | SCI | crop info |
| Trifolium hybridum | SCI | crop info |
| Trifolium incarnatum | SCI | crop info |
| Trifolium lappaceum | SCI | crop info |
| Trifolium medium | SCI | crop info |
| Trifolium pratense | SCI | crop info |
| Trifolium repens | SCI | crop info |
| Trifolium squamosum | SCI | crop info |
| Trifolium striatum | SCI | crop info |
| Trifolium subterraneum | SCI | crop info |
| Trifolium variegatum | SCI | crop info |
| Trifolium vesiculosum | SCI | crop info |
| Trifolium willdenovii | SCI | crop info |
| Trigonella caerulea | SCI | crop info |
| Trigonella foenum-graecum | SCI | crop info |
| Tripleurospermum perforatum | SCI | crop info |
| Tripsacum dactyloides | SCI | crop info |
| Trisetum flavescens | SCI | crop info |
| Trisetum spicatum | SCI | crop info |
| Trisetum, spike | CMN | crop info |
| Triticale, spring | CMN | crop info |
| Triticale, winter | CMN | crop info |
| Triticosecale rimpaui (spring) | SCI | crop info |
| Triticosecale rimpaui (winter) | SCI | crop info |
| Triticum aestivum subsp. aestivum (HRS) | SCI | crop info |
| Triticum aestivum subsp. aestivum (HRW) | SCI | crop info |
| Triticum aestivum subsp. aestivum (HWW) | SCI | crop info |
| Triticum aestivum subsp. aestivum (SRS) | SCI | crop info |
| Triticum aestivum subsp. aestivum (SRW) | SCI | crop info |
| Triticum aestivum subsp. aestivum (SWS) | SCI | crop info |
| Triticum aestivum subsp. aestivum (SWW) | SCI | crop info |
| Triticum aestivum subsp. compactum | SCI | crop info |
| Triticum aestivum subsp. spelta | SCI | crop info |
| Triticum aestivum subsp. sphaerococcum | SCI | crop info |
| Triticum monococcum subsp. monococcum | SCI | crop info |
| Triticum timopheevii subsp. timopheevii | SCI | crop info |
| Triticum turgidum subsp. carthlicum | SCI | crop info |
| Triticum turgidum subsp. dicoccon | SCI | crop info |
| Triticum turgidum subsp. durum | SCI | crop info |
| Triticum turgidum subsp. polonicum | SCI | crop info |
| Triticum turgidum subsp. turanicum | SCI | crop info |
| Triticum turgidum subsp. turgidum | SCI | crop info |
| Triticum zhukovskyi | SCI | crop info |
| Tronchuda cabbage | CMN | crop info |
| Tuberous sweatpea | CMN | crop info |
| Tufted hair grass | CMN | crop info |
| Tulip tree | CMN | crop info |
| Tung-oil-tree | CMN | crop info |
| Tung-oil-tree, Chinese | CMN | crop info |
| Tung-oil-tree, Japanese | CMN | crop info |
| Tupelo, black | CMN | crop info |
| Tupelo, swamp | CMN | crop info |
| Tupelo, water | CMN | crop info |
| Turkeyberry | CMN | crop info |
| Turkish hazel | CMN | crop info |
| Turnip | CMN | crop info |
| Turnip grass | CMN | crop info |
| Turnip rape | CMN | crop info |
| Turnip root parsley | CMN | crop info |
| Tussa jute | CMN | crop info |
| Two-leaf vetch | CMN | crop info |
| Typha latifolia | SCI | crop info |
