birch family vs Betulaceae

birch family and Betulaceae both are nouns.

Word	Noun	Adjective	Verb	Adverb
birch family	Yes	No	No	No
Betulaceae	Yes	No	No	No

As nouns, birch family and Betulaceae are synonyms defined as:

birch family and Betulaceae: monoecious trees and shrubs (including the genera Betula and Alnus and Carpinus and Corylus and Ostrya and Ostryopsis)

Other synonyms of birch family include family Betulaceae.

birch family (noun)	Betulaceae (noun)
monoecious trees and shrubs (including the genera Betula and Alnus and Carpinus and Corylus and Ostrya and Ostryopsis)	monoecious trees and shrubs (including the genera Betula and Alnus and Carpinus and Corylus and Ostrya and Ostryopsis)