Christmas fern vs Polystichum acrostichoides

Christmas fern and Polystichum acrostichoides both are nouns.

Word	Noun	Adjective	Verb	Adverb
Christmas fern	Yes	No	No	No
Polystichum acrostichoides	Yes	No	No	No

As nouns, Christmas fern and Polystichum acrostichoides are synonyms defined as:

Christmas fern and Polystichum acrostichoides: North American evergreen fern having pinnate leaves and dense clusters of lance-shaped fronds

Other synonyms of Christmas fern include canker brake, dagger fern, evergreen wood fern.

Christmas fern (noun)	Polystichum acrostichoides (noun)
North American evergreen fern having pinnate leaves and dense clusters of lance-shaped fronds	North American evergreen fern having pinnate leaves and dense clusters of lance-shaped fronds