1.Any of various ferns of the genera dryopteris or polystichum or lastreopsis having somewhat shield-shaped coverings on the sori.
孢子外覆有盾形罩套的鳞毛蕨科或水龙骨科的蕨类植物。
2.Any of various ferns of the genera dryopteris or polystichum or lastreopsis having somewhat shield-shaped coverings on the sori.