dagger fern

Thesaurus

Noun

1.

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

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