Tradescantia spathacea Sw. (Synonym : Tradescantia discolor L'Hér. var. variegata Hook.)

Family : Commelinaceae

Tragopogon dubius Scop. (Synonym : Tragopogon porrifolius Pall. ex N.Bieb.)

Family : Asteraceae [Naturalized plant]

Trapa bicornis Osbeck

Family : Trapaceae

Trapa incisa Siebold & Zucc. (Synonym : Trapa natans L. var. quadricaudata (Glück) B.Y.Ding & X.F.Jin)

Family : Trapaceae

Trapa japonica Flerow

Family : Trapaceae

Trapa maximowiczii Korsh. (Synonym : Trapa natans L. var. pumila Nakano ex Verdc.)

Family : Trapaceae

Trapa natans L. (Synonym : Trapa natans L. f. quadrispionsa (Roxb.) Makino)

Family : Trapaceae

Trapa pseudoincisa Nakai

Family : Trapaceae

Trapella sinensis Oliv.

Family : Pedaliaceae

Triadenum japonicum (Blume) Makino (Synonym : Hypericum virginicum L. var. asiaticum (Maxim.) Yatabe)

Family : Clusiaceae