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