,
Plants of the World Online and the
Checklist of Ferns and Lycophytes of the World recognized the following species: Other species: •
T. brooksii Copel. •
T. flabellivenia (Baker) Holttum •
T. hosei (Baker) Holttum •
T. intermedia M.Kato •
T. marginata Holttum •
T. mediosora M.Kato •
T. obtusa Hook. •
T. requiniana (Gaudich.) Copel. •
T. trilobata Holttum •
T. vittarioides Holttum ==References==