evergreen wood fern

(noun) North American evergreen fern having pinnate leaves and dense clusters of lance-shaped fronds. Synonyms: Christmas fern, canker brake, dagger fern, evergreen wood fern, Polystichum acrostichoides.

(noun) North American fern with evergreen fronds. Synonyms: marginal wood fern, evergreen wood fern, leatherleaf wood fern, Dryopteris marginalis.