Distribution
Asia-Tropical: Borneo present (Sabah present, Sarawak present); Maluku (Maluku present), Ceram present, S. Vietnam present, W. New Guinea present
S. Vietnam; in Malesia: Borneo (Sarawak, Sabah), Moluccas (Ceram) (?), W. New Guinea.
Notes
Some specimens from S. Vietnam have sterile fronds to 40 cm long and fertile to 20 by 4 cm; I have seen none so large in Malesia, and the above description is mainly from Malesian specimens.
