dagger fern

Thesaurus

Noun

1.dagger fern - North American evergreen fern having pinnate leaves and dense clusters of lance-shaped frondscanker brake, Christmas fern, evergreen wood fern, Polystichum acrostichoidesfern - any of numerous flowerless and seedless vascular plants having true roots from a rhizome and fronds that uncurl upward; reproduce by sporesgenus Polystichum, Polystichum - small to medium-sized terrestrial ferns especially holly ferns; in some classification systems placed in Polypodiaceae