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Plants
| Title | Common Name |
|---|---|
| Tephrosia toxicaria | Ai; Fishdeath Tephrosia; Bois Enivre; Aiari |
| Tephrosia vogelii | Vogel Tephrosia |
| Terminalia catappa | Amandier; Almendro De Las Indias; Almendro; Almendra; L.; Amandier Des Indes; Badannier; Ketapang; Almendro De Playa; Lingtak; Indian Almond; Amandier Tropical |
| Tetracera indica | Mempelas |
| Thapsia garganica | Gargan Deathcarrot; Tapsia; Faux Turbith; Panacea D'Esculapio; Smooth Thapsia; Lasarpicium |
| Thespesia populnea | Mahot; Waru lot; Feuilles D'Haiti; Alamo Blanco; Grand Mahaut; Baru; Duartiana |
| Thonningia sanguinea | not available |
| Thuja occidentalis | Bati Mazizi; A'Fus; Arborvitae,American; Northern White-Cedar; Arbor-Vitae; Umur Aghaji; Mazu; Cedar,White; Arborvitae; Mazi Aghaji; Po |
| Thuja orientalis | Po Hsiang Sui; Po Tzu; Pien Po; Po; Po Tzu Jen; Po Shih; Po Yeh Chiu; Nioi-Hiba |
| Thymus serpyllum | Yabani Kekik; Thyme,Wild; Serpol; Creeping Thyme |
| Tournefortia densiflora | not available |
| Tournefortia hirsutissima | Chique-Chique; Nigua; Nigua Peluda; Liane Chiques |
| Toxicodendron radicans | Poison-Ivy; Zehirli Sumak Agaci |
| Tragia involucrata | not available |
| Tribulus terrestris | Chi Li; Tzu; Gotub; Gokshura; Hasach; Pai Chi Li; Sha Yuan Chi Li; Abrojo; Tu Chi Li; Chih Hsing; Ji Li; Kon Jarah |
| Tricholepis glaberrima | not available |
| Tricholepis glaberrimum | Mitabid; Brahmadandi |
| Trichosanthes kirilowii | Kua Lou; Karo(To-Karasu-Uri); T'Ien Kua |
| Trifolium pratense | Kirmizi Yonca; Red Clover; Nafal; Clover,Red; Trebol; Murasaki-Tume-Kusa(Aka-Tume-Ku; Trebol Rojo; Bersim Ahmar |
| Trillium erectum | Bethroot; Amerikaanse Drielingenwortel; Amerikanische Drillingswurzel; American Beth Root; American Birthroot; Trillie Americain; Birthroot |