Equisetaceae vs fern family

Equisetaceae and fern family both are nouns.

Word	Noun	Adjective	Verb	Adverb
Equisetaceae	Yes	No	No	No
fern family	Yes	No	No	No

As nouns, fern family is a hypernym of Equisetaceae; that is, fern family is a word with a broader meaning than Equisetaceae:

Equisetaceae (noun)	fern family (noun)
sole surviving family of the Equisetales: fern allies	families of ferns and fern allies