Distribution
Asia-Tropical: Malaya present, Cameron Highlands present, N. Sumatra present
Malesia: Malaya (Cameron Highlands, 3 collections); N. Sumatra at 1700 m.
Notes
The Sumatran specimens (Surbeck 747, 1201) are somewhat smaller than those from Malaya, with pinnae lobed a little less deeply, and have a seta on some sporangia.