Open English Wordnet
Nouns
(n)Christmas fern, canker brake, dagger fern, evergreen wood fern, Polystichum acrostichoidesNorth American evergreen fern having pinnate leaves and dense clusters of lance-shaped fronds
(n)marginal wood fern, evergreen wood fern, leatherleaf wood fern, Dryopteris marginalisNorth American fern with evergreen fronds