Heterogonium wigmanii ContentDistribution Citation Distribution Aru Is present, Asia-Tropical: Maluku (Maluku present); Sulawesi (Sulawesi present), Ceram present, Morotai presentMalesia: Celebes, Moluccas (Morotai, Ceram, Aru Is.). Citation Alderw. 1908: Malayan Ferns: 192