Asia-Tropical: Borneo present; Malaya present; New Guinea present; Sulawesi (Sulawesi present); Sumatera (Sumatera present), Peninsular Thailand present, S. Burma present
S. Burma and Peninsular Thailand, in Malesia: Malaya, Sumatra, Borneo, Celebes, ? New Guinea.
Rosenstock published no description and cited "Aspidium crassifolium Mett. (non Bl.)", but Mettenius also published no description. The type selected is a specimen named by Rosenstock.