Asia-Tropical: Philippines (Philippines present), Luzon present, Mindanao present, Negros Oriental present, Panay present
Malesia: Philippines (Luzon; Panay; Negros Oriental; Mindanao, cf. Copeland, not seen).
Clemens 16530, from Isabella Prov., Luzon, has dimorphic fronds; sterile fronds have an apical lamina to 2.5 cm wide, fertile to 1.4 cm. Some fronds also have a pair of very small pinnae some distance below the normal ones.