Distribution
Asia-Tropical: New Guinea present; Sulawesi (Sulawesi present), N. Borneo present
Malesia: N. Borneo, Celebes, New Guinea.
Notes
The type does not include a fertile frond; with it in the same collection are two fronds of E. blumeanum, which appears usually to occur at lower altitudes than E. heterolepium in Borneo and Celebes.
Citation
v.A.v.R. 1917: Handb.: 426
