- TAROKOENSE H.W.Lin & J.C.Wang, 2013
- TEHUAZTLENSE Moran & Meyrán, 1987
- TENELLUM M. von Bieberstein, 1819
- TERNATUM Michaux, 1803
- TETRACTINUM Fröderström, 1931
- TORTUOSUM Hemsley, 1878
- TORULOSUM R.T.Clausen, 1946
- TOSAENSE Makino, 1901
- TRELEASEI Rose, 1911
- TRIACTINA Berger, 1930
- TRICARPUM Makino, 1891
- TRICHROMUM R.T. Clausen, 1978
- TRISTRIATUM Boissier, 1849
- TRULLIPETALUM Hooker f. & Thomson, 1858
- TUBERCULATUM Rose, 1897
- TUBERIFERUM Stojanov & Stefanoff, 1934
- TUBEROSUM Cosson & Letourneux, 1875
Sedum