shield fern

Từ điển WordNet v3.1 - WordNet Dictionary

noun

any of various ferns of the genera Dryopteris or Polystichum or Lastreopsis having somewhat shield-shaped coverings on the sori
• Syn:
buckler fern
• Hypernyms:
fern
• Hyponyms:
broad buckler-fern, Dryopteris dilatata, Goldie's fern, Goldie's shield fern, goldie's wood fern,
Dryopteris goldiana, soft shield fern, Polystichum setiferum
• Member Holonyms:
Dryopteridaceae, family Dryopteridaceae, Athyriaceae, family Athyriaceae