American maidenhair fern vs five-fingered maidenhair fern

American maidenhair fern and five-fingered maidenhair fern both are nouns.

Word	Noun	Adjective	Verb	Adverb
American maidenhair fern	Yes	No	No	No
five-fingered maidenhair fern	Yes	No	No	No

As nouns, American maidenhair fern and five-fingered maidenhair fern are synonyms defined as:

American maidenhair fern and five-fingered maidenhair fern: hardy palmately branched North American fern with divergent recurved branches borne on lustrous dark reddish stipes

Other synonyms of American maidenhair fern include Adiantum pedatum.

American maidenhair fern (noun)	five-fingered maidenhair fern (noun)
hardy palmately branched North American fern with divergent recurved branches borne on lustrous dark reddish stipes	hardy palmately branched North American fern with divergent recurved branches borne on lustrous dark reddish stipes