NOUN
- any fern of the genus Trichomanes having large pinnatifid often translucent fronds; most are epiphytic on tree branches and twigs or terrestrial on mossy banks
- any fern of the genus Hymenophyllum growing in tropical humid regions and having translucent leaves
How To Use filmy fern In A Sentence
- There are filmy ferns, and more jagged ferns, ferns which look like moss, and the stumpy Mexican tree fern, Cybotium scheidei, which never grows very tall.