Goniophlebium formosanum is a species of fern in the family Polypodiaceae, found in Fujian (China), Japan and Taiwan. It is an epiphyte that grows on tree trunks or rocks, with straw-colored stipes, 15âÂÂ20 cm in length, and oblong lamina approximately 30âÂÂ50 à10âÂÂ15 cm in size.