Asia-Tropical: Borneo present, E New Guinea present, S & Central Celebes present
Malesia: Borneo, S & Central Celebes, E New Guinea.
See comment under T. labrusca. Copeland (I. c. 1911) was the first person to note that Aspidium labrusca sensu Hook. (1864) was based on specimens of two species; he distinguished between them in the brief diagnosis of his species.