oak fern | sense examples, Usage and Definition from wordnet dictionary online

Noun oak fern has 1 sense

oak fern, Gymnocarpium dryopteris, Thelypteris dryopteris - bright blue-green fern widely distributed especially in damp acid woodlands of temperate northern hemisphere
--₁ is a kind of fern
--₁ is a member of Gymnocarpium, genus Gymnocarpium