Drynaria bonii ContentDistribution Anatomy Citation Distribution Asia-Tropical: India to China and Indochina: present Langkawi Island: present Penang Island: presentIndia to China and Indochina. In Malesia: Penang Island, Langkawi Island. Anatomy Anatomy: Citation Roos, Drynarioideae. 1985: 261 Tardieu & C. Chr. - in Fl. Indo-Chine. 1941: 517