dryopteris_filix-mas
1. [ noun ] (botany) fern of North America and Europe whose rhizomes and stalks yield an oleoresin used to expel tapeworms
Synonyms: male_fern
Related terms: wood_fern
Similar spelling:   Dryopteris_fragrans
  Dryopteris_dilatata
  Dryopteris_oreades
  Dryopteris_oreopteris
  Dryopteris_goldiana
  Dryopteris_marginalis
  Dryopteris_thelypteris
  Dryopteris_phegopteris