Noun: oak fern owk furn
- Bright blue-green fern widely distributed especially in damp acid woodlands of temperate Northern Hemisphere
"Oak fern creates a striking ground cover beneath deciduous trees";
- Gymnocarpium dryopteris, Thelypteris dryopteris
Derived forms: oak ferns
Type of: fern
Part of: genus Gymnocarpium, Gymnocarpium
Encyclopedia: Oak fern