oak fern (English, noun)
expansion: oak fern (plural oak ferns)
Senses:
glosses: A fern of genus Gymnocarpium (syn. Thelypteris) which grows on trees, especially Gymnocarpium dryopteris.
glosses: A bat's wing fern (Histiopteris incisa)
glosses: Synonym of common polypody (Polypodium vulgare), a fern formerly thought to have medicinal properties when found growing on an oak.
Forms:
form: oak ferns
tags: plural
form: oakfern
tags: alternative