Dryopteridaceae vs family Dryopteridaceae

Dryopteridaceae and family Dryopteridaceae both are nouns.

Word	Noun	Adjective	Verb	Adverb
Dryopteridaceae	Yes	No	No	No
family Dryopteridaceae	Yes	No	No	No

As nouns, Dryopteridaceae and family Dryopteridaceae are synonyms defined as:

Dryopteridaceae and family Dryopteridaceae: alternative names for one of a number of families into which the family Polypodiaceae has been subdivided in some classification systems

Other synonyms of Dryopteridaceae include Athyriaceae, family Athyriaceae.

Dryopteridaceae (noun)	family Dryopteridaceae (noun)
alternative names for one of a number of families into which the family Polypodiaceae has been subdivided in some classification systems	alternative names for one of a number of families into which the family Polypodiaceae has been subdivided in some classification systems