shield fern   (TTS Sound)

The shield_fern has 1 Senses.

• shield fern, buckler fern
• any of various ferns of the genera Dryopteris or Polystichum or Lastreopsis having somewhat shield-shaped coverings on the sori
• 胞子嚢群の上でいくぶんシールド形の覆いをしているシダ属またはウラボシ属またはオシダ属のシダ類の総称