genus Polystichum

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	Definition:		[n]  small to medium-sized terrestrial ferns especially holly ferns; in some classification systems placed in Polypodiaceae
	Synonyms:		Polystichum
	See Also:		Athyriaceae, canker brake, Christmas fern, dagger fern, Dryopteridaceae, evergreen wood fern, family Athyriaceae, family Dryopteridaceae, fern genus, holly fern, Polystichum acrostichoides, Polystichum setiferum, soft shield fern