shield-fern

英 ['ʃiːldf'ɜːn] 美 ['ʃiːldf'ɜːn]

• n. 鳞毛蕨；三叉蕨

英英释义

名词 shield fern:

1. any of various ferns of the genera Dryopteris or Polystichum or Lastreopsis having somewhat shield-shaped coverings on the sori