(F.O. Thomps., 1883–1953)
(Thomsen)
(P.W. Thomson, 1891–1957)
(Thomson, 1817–1878)
(K.M. Thorat)
(Thornh.)
(Thouars, 1758–1831)
(Thunb., 1743–1828)
(Thussu)
(Thwaites, 1812–1882)