Tilia taquetii C.K.Schneid. (Synonym : Tilia amurensis Rupr. var. glabrata f. taquetii (C.K.Schneid.) Nakai)

Family : Tiliaceae

Tilingia tsusimensis (Y.Yabe) Kitag. (Synonym : Ostericum tsusimense (Y.Yabe) Kitag.)

Family : Apiaceae

Tipularia japonica Matsum.

Family : Orchidaceae

Tithonia rotundifolia (Mill.) S.F.Blake

Family : Asteraceae

Tofieldia coccinea Richardson (Synonym : Tofieldia fusca Miyabe & Kudô)

Family : Liliaceae

Tofieldia coccinea Richardson var. fauriei (H.Lév. & Vaniot) T.Yamaz. (Synonym : Tofieldia fauriei H.Lév. & Vaniot)

Family : Liliaceae

Tofieldia yoshiiana Makino var. koreana (Ohwi) M.N.Tamura, Fuse & N.S.Lee (Synonym : Tofieldia yoshiiana Makino var. kanwonensis (T.Yamaz.) M.N.Tamura, Fuse & N.S.Lee)

Family : Liliaceae

Toona sinensis (A.Juss.) M.Roem. (Synonym : Toona serrata (Royle) M.Roem.)

Family : Meliaceae

Torilis japonica (Houtt.) DC. (Synonym : Caucalis japonica Houtt.)

Family : Apiaceae

Torilis scabra (Thunb.) DC. (Synonym : Torilis henryi C.Norman)

Family : Apiaceae