filmy fern
1. 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 • Syn: bristle fern • Hypernyms: fern • Hyponyms: hare's-foot bristle fern, Trichomanes boschianum, Killarney fern, Trichomanes speciosum, kidney fern, Trichomanes reniforme • Member Holonyms: Trichomanes, genus Trichomanes 2. any fern of the genus Hymenophyllum growing in tropical humid regions and having translucent leaves • Syn: film fern • Hypernyms: fern • Member Holonyms: Hymenophyllum, genus Hymenophyllum
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