| Tabebuia (many) |
Trumpet Tree |
 |
| Tagetes erecta |
African Marigold |
 |
| Tagetes patula |
French Marigold |
|
| Talinum okanoganense |
Fame Flower |
 |
| Tamarindus indica |
Tamarind |
|
| Tanacetum coccineum |
Pyrethrum, Painted Daisy |
 |
| Tanacetum parthenium |
Feverfew |
|
| Taxus baccata |
Yew |
 |
| Tecoma (Tecomaria) capensis |
Cape Honeysuckle |
|
| Tecoma stans |
Yellow Bells, Yellow Elder |
|
| Terminalia catappa |
Indian Almond |
 |
| Terminalia australis |
Cambass |
|
| Terminalia sericocarpa |
Indian Almond |
|
| Tetragonolobus (Lotus) maritimus |
Winged Pea |
|
| Teucrium hircanicum |
Germander |
|
| Teucrium scorodonia |
Wood Sage |
|
| Thalictrum (many) |
Meadow Rue |
|
| Thalictrum flavum |
Meadow Rue |
|
| Thermopsis lanceolata |
Golden Banner |
|
| Thespesia populnea |
Portia Tree |
|
| Thlaspi biebersteinii |
Pennycress |
|
| Thunbergia alata |
Black Eyed Susie |
|
| Thunbergia erecta |
Bush Clock Vine, King's Mantle |
|
| Thunbergia grandiflora |
Bengal Clockvine, Sky Flower
|
|
| Thymus serpyllum |
Thyme |
|
| Tibouchina paratropica |
Tibouchina |
|
| Tigridia pavonia |
Peacock Flower, Tiger Flower |
|
| Tithonia diversifolia |
Mexican Sunflower, Tree Marigold |
|
| Tithonia rotundifolia |
Mexican Sunflower |
|
| Townsendia (many) |
Townsend's Daisy |
|
| Townsendia mensana |
Table Townsend Daisy |
|
| Townsendia rothrockii |
Rothrock's Townsend Daisy |
|
| Trachycarpus fortunei |
Chusan Palm |
|
| Trachycarpus latisectus |
Windamere Palm |
|
| Tragopogon porrifolius |
Salsify |
|
| Tragopogon pratensis |
Goat's Beard, Jack go to Bed at Noon |
|
| Triadica sebiferum |
Chinese Tallow Tree |
|
| Trifolium pratensis |
Red Clover |
|
| Trifolium repens |
Dutch Clover, White Clover |
|
| Trillium cuneatum |
Wake Robin |
|
| Trollius (many) |
Globe Flower |
|
| Trollius |
Globe Flower |
|
| Trollius hondoensis |
Globe Flower |
|
| Tropaeolum hookerianum |
Nasturtium |
|
| Tropaeolum majus |
Nasturtium |
|
| Tropaeolum peregrinum |
Canary Creeper, Canary Bird Vine |
|
| Tropaeolum polyphyllum |
Nasturtium |
|
| Tropaeolum sessilifolium |
Nasturtium |
|
| Tulipa |
Tulip |
|
| Tweedia (Oxypetalum) caerulea |
Southern Star |
|
