Asia-Tropical, New Britain present, Papua New Guinea present
Malesia: Papua New Guinea (New Britain).
Peekel collected in the Bismarck Archipelago; the type was probably found in New Ireland. It is closely related to C. prolixa (Willd.) Holttum (Aspidium obliquatum Mett.) of New Caledonia, which also lacks glandular hairs on the lower surface of pinnae.