evergreen wood fern

from WordNet (r) 3.0 (2006)
evergreen wood fern
    n 1: North American evergreen fern having pinnate leaves and
         dense clusters of lance-shaped fronds [syn: {Christmas
         fern}, {canker brake}, {dagger fern}, {evergreen wood
         fern}, {Polystichum acrostichoides}]
    2: North American fern with evergreen fronds [syn: {marginal
       wood fern}, {evergreen wood fern}, {leatherleaf wood fern},
       {Dryopteris marginalis}]